--- tool: Crawlinx SEO audit source: https://crawlinx.com domain: kernel.org report_url: "https://crawlinx.com/audit/kernel.org" crawl_id: 20260711T221929-30695453 health_score: 65 generated_at: 2026-08-26T17:26:07Z total_pages: 100 html_pages: 93 indexable_pages: 92 errors: 2 warnings: 276 notices: 548 --- # SEO audit: kernel.org **Health score: 65/100** — needs attention > Audited by [Crawlinx](https://crawlinx.com) — the free technical-SEO crawler. Full report: https://crawlinx.com/audit/kernel.org ## Overview | Metric | Value | | --- | --- | | Pages crawled | 100 | | HTML pages | 93 | | Indexable | 92 | | Non-indexable | 0 | | Orphan pages | 0 | | Broken internal links | 1 | | Avg response time | 2857 ms | | Errors / Warnings / Notices | 2 / 276 / 548 | | Status codes | 99×200, 1×404 | ## Categories | Category | Score | Errors | Warnings | Notices | | --- | ---: | ---: | ---: | ---: | | Crawlability | 98 | 1 | 5 | 1 | | Links | 99 | 1 | 0 | 0 | | Canonical | 74 | 0 | 87 | 0 | | Meta Description | 74 | 0 | 87 | 0 | | Mobile | 85 | 0 | 51 | 8 | | Content | 92 | 0 | 27 | 0 | | Duplicate | 96 | 0 | 13 | 0 | | Titles | 98 | 0 | 6 | 3 | | Agent Readiness | 100 | 0 | 0 | 82 | | Headings | 100 | 0 | 0 | 77 | | Images | 100 | 0 | 0 | 42 | | Performance | 100 | 0 | 0 | 20 | | Security | 100 | 0 | 0 | 45 | | Social | 100 | 0 | 0 | 174 | | Structured Data | 100 | 0 | 0 | 87 | | URL | 100 | 0 | 0 | 9 | ## Issues ### Errors (2) #### Broken internal link (target 4xx/5xx) - Rule: `links.broken_internal` · Category: Links · Occurrences: 1 - [https://www.kernel.org/category/site-news3.html](https://www.kernel.org/category/site-news3.html) — https://www.kernel.org/pub-tree-resync-ing.html (HTTP 404) #### Client error (4xx) response - Rule: `status.4xx` · Category: Crawlability · Occurrences: 1 - [https://www.kernel.org/pub-tree-resync-ing.html](https://www.kernel.org/pub-tree-resync-ing.html) — HTTP 404 ### Warnings (276) #### Missing canonical tag - Rule: `canonical.missing` · Category: Canonical · Occurrences: 87 - [https://kernel.org/](https://kernel.org/) - [https://www.kernel.org/](https://www.kernel.org/) - [https://www.kernel.org/author/konstantin-ryabitsev.html](https://www.kernel.org/author/konstantin-ryabitsev.html) - [https://www.kernel.org/beijing-git-mirror.html](https://www.kernel.org/beijing-git-mirror.html) - [https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html](https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html) - [https://www.kernel.org/category/about.html](https://www.kernel.org/category/about.html) - [https://www.kernel.org/category/contact-us.html](https://www.kernel.org/category/contact-us.html) - [https://www.kernel.org/category/faq.html](https://www.kernel.org/category/faq.html) - [https://www.kernel.org/category/releases.html](https://www.kernel.org/category/releases.html) - [https://www.kernel.org/category/signatures.html](https://www.kernel.org/category/signatures.html) - [https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) - [https://www.kernel.org/category/site-news2.html](https://www.kernel.org/category/site-news2.html) - [https://www.kernel.org/category/site-news3.html](https://www.kernel.org/category/site-news3.html) - [https://www.kernel.org/cleanroom-styles.html](https://www.kernel.org/cleanroom-styles.html) - [https://www.kernel.org/cloning-linux-from-a-bundle.html](https://www.kernel.org/cloning-linux-from-a-bundle.html) - [https://www.kernel.org/code-of-conduct.html](https://www.kernel.org/code-of-conduct.html) - [https://www.kernel.org/contact.html](https://www.kernel.org/contact.html) - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) - [https://www.kernel.org/doc/html/latest/core-api/index.html](https://www.kernel.org/doc/html/latest/core-api/index.html) - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) - [https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html](https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html) - [https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) - [https://www.kernel.org/doc/html/latest/doc-guide/index.html](https://www.kernel.org/doc/html/latest/doc-guide/index.html) - [https://www.kernel.org/doc/html/latest/driver-api/index.html](https://www.kernel.org/doc/html/latest/driver-api/index.html) - [https://www.kernel.org/doc/html/latest/fault-injection/index.html](https://www.kernel.org/doc/html/latest/fault-injection/index.html) - [https://www.kernel.org/doc/html/latest/firmware-guide/index.html](https://www.kernel.org/doc/html/latest/firmware-guide/index.html) - [https://www.kernel.org/doc/html/latest/index.html](https://www.kernel.org/doc/html/latest/index.html) - [https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) - [https://www.kernel.org/doc/html/latest/kernel-hacking/index.html](https://www.kernel.org/doc/html/latest/kernel-hacking/index.html) - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) - [https://www.kernel.org/doc/html/latest/locking/index.html](https://www.kernel.org/doc/html/latest/locking/index.html) - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) - [https://www.kernel.org/doc/html/latest/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html](https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html) - [https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) - [https://www.kernel.org/doc/html/latest/process/license-rules.html](https://www.kernel.org/doc/html/latest/process/license-rules.html) - [https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html) - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) - [https://www.kernel.org/doc/html/latest/staging/index.html](https://www.kernel.org/doc/html/latest/staging/index.html) - [https://www.kernel.org/doc/html/latest/subsystem-apis.html](https://www.kernel.org/doc/html/latest/subsystem-apis.html) - [https://www.kernel.org/doc/html/latest/tools/index.html](https://www.kernel.org/doc/html/latest/tools/index.html) - [https://www.kernel.org/doc/html/latest/trace/index.html](https://www.kernel.org/doc/html/latest/trace/index.html) - [https://www.kernel.org/doc/html/latest/translations/index.html](https://www.kernel.org/doc/html/latest/translations/index.html) - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) - [https://www.kernel.org/faq.html](https://www.kernel.org/faq.html) - [https://www.kernel.org/fast-new-frontends-with-packet.html](https://www.kernel.org/fast-new-frontends-with-packet.html) - [https://www.kernel.org/fifty-shades-of-tux.html](https://www.kernel.org/fifty-shades-of-tux.html) - [https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html](https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html) - [https://www.kernel.org/gandinet-tls-certificates.html](https://www.kernel.org/gandinet-tls-certificates.html) - [https://www.kernel.org/get-notifications-for-your-patches.html](https://www.kernel.org/get-notifications-for-your-patches.html) - [https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html](https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html) - [https://www.kernel.org/heartbleed-statement.html](https://www.kernel.org/heartbleed-statement.html) - [https://www.kernel.org/hurr-durr-ima-sheep.html](https://www.kernel.org/hurr-durr-ima-sheep.html) - [https://www.kernel.org/if-you-got-bad-signature-this-morning.html](https://www.kernel.org/if-you-got-bad-signature-this-morning.html) - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) - [https://www.kernel.org/legal.html](https://www.kernel.org/legal.html) - [https://www.kernel.org/linux.html](https://www.kernel.org/linux.html) - [https://www.kernel.org/lists-linux-dev.html](https://www.kernel.org/lists-linux-dev.html) - [https://www.kernel.org/lore.html](https://www.kernel.org/lore.html) - [https://www.kernel.org/minor-changes-to-tarball-release-format.html](https://www.kernel.org/minor-changes-to-tarball-release-format.html) - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) - [https://www.kernel.org/new-frontend-and-googlesourcecom.html](https://www.kernel.org/new-frontend-and-googlesourcecom.html) - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) - [https://www.kernel.org/nonprofit.html](https://www.kernel.org/nonprofit.html) - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) - [https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html](https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html) - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) - [https://www.kernel.org/shutting-down-ftp-services.html](https://www.kernel.org/shutting-down-ftp-services.html) - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) #### Thin content (low word count) - Rule: `content.thin` · Category: Content · Occurrences: 27 - [https://www.kernel.org/beijing-git-mirror.html](https://www.kernel.org/beijing-git-mirror.html) — 197 words - [https://www.kernel.org/cleanroom-styles.html](https://www.kernel.org/cleanroom-styles.html) — 164 words - [https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) — 196 words - [https://www.kernel.org/doc/html/latest/doc-guide/index.html](https://www.kernel.org/doc/html/latest/doc-guide/index.html) — 149 words - [https://www.kernel.org/doc/html/latest/fault-injection/index.html](https://www.kernel.org/doc/html/latest/fault-injection/index.html) — 117 words - [https://www.kernel.org/doc/html/latest/firmware-guide/index.html](https://www.kernel.org/doc/html/latest/firmware-guide/index.html) — 98 words - [https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) — 166 words - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) — 122 words - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) — 185 words - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) — 187 words - [https://www.kernel.org/doc/html/latest/tools/index.html](https://www.kernel.org/doc/html/latest/tools/index.html) — 121 words - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) — 178 words - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) — 194 words - [https://www.kernel.org/fifty-shades-of-tux.html](https://www.kernel.org/fifty-shades-of-tux.html) — 143 words - [https://www.kernel.org/gandinet-tls-certificates.html](https://www.kernel.org/gandinet-tls-certificates.html) — 157 words - [https://www.kernel.org/hurr-durr-ima-sheep.html](https://www.kernel.org/hurr-durr-ima-sheep.html) — 166 words - [https://www.kernel.org/if-you-got-bad-signature-this-morning.html](https://www.kernel.org/if-you-got-bad-signature-this-morning.html) — 198 words - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) — 156 words - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) — 169 words - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) — 32 words - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) — 20 words - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) — 28 words - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) — 24 words - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) — 52 words - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) — 28 words - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) — 48 words - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) — 120 words #### Duplicate page content - Rule: `duplicate.content` · Category: Duplicate · Occurrences: 2 - [https://kernel.org/](https://kernel.org/) — content shared by 2 pages: https://www.kernel.org/ - [https://www.kernel.org/](https://www.kernel.org/) — content shared by 2 pages: https://kernel.org/ #### Near-duplicate page content - Rule: `duplicate.near` · Category: Duplicate · Occurrences: 6 - [https://www.kernel.org/category/contact-us.html](https://www.kernel.org/category/contact-us.html) — near-duplicate of 1 page(s): https://www.kernel.org/contact.html - [https://www.kernel.org/category/releases.html](https://www.kernel.org/category/releases.html) — near-duplicate of 1 page(s): https://www.kernel.org/releases.html - [https://www.kernel.org/category/signatures.html](https://www.kernel.org/category/signatures.html) — near-duplicate of 1 page(s): https://www.kernel.org/signature.html - [https://www.kernel.org/contact.html](https://www.kernel.org/contact.html) — near-duplicate of 1 page(s): https://www.kernel.org/category/contact-us.html - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) — near-duplicate of 1 page(s): https://www.kernel.org/category/releases.html - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) — near-duplicate of 1 page(s): https://www.kernel.org/category/signatures.html #### Duplicate across pages - Rule: `duplicate.title` · Category: Duplicate · Occurrences: 5 - [https://kernel.org/](https://kernel.org/) — title shared by 2 pages: https://www.kernel.org/ - [https://www.kernel.org/](https://www.kernel.org/) — title shared by 2 pages: https://kernel.org/ - [https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) — title shared by 3 pages: https://www.kernel.org/category/site-news2.html, https://www.kernel.org/category/site-news3.html - [https://www.kernel.org/category/site-news2.html](https://www.kernel.org/category/site-news2.html) — title shared by 3 pages: https://www.kernel.org/category/site-news.html, https://www.kernel.org/category/site-news3.html - [https://www.kernel.org/category/site-news3.html](https://www.kernel.org/category/site-news3.html) — title shared by 3 pages: https://www.kernel.org/category/site-news.html, https://www.kernel.org/category/site-news2.html #### Incomplete/empty response after retries (likely transient — re-crawl) - Rule: `fetch.incomplete` · Category: Crawlability · Occurrences: 5 - [https://www.kernel.org/pub/dist/knoppix-dvd/](https://www.kernel.org/pub/dist/knoppix-dvd/) — HTTP 200, 4 words after 3 attempts - [https://www.kernel.org/pub/dist/superrescue/](https://www.kernel.org/pub/dist/superrescue/) — HTTP 200, 16 words after 3 attempts - [https://www.kernel.org/pub/media/](https://www.kernel.org/pub/media/) — HTTP 200, 8 words after 3 attempts - [https://www.kernel.org/pub/scm/](https://www.kernel.org/pub/scm/) — HTTP 200, 12 words after 3 attempts - [https://www.kernel.org/pub/tools/](https://www.kernel.org/pub/tools/) — HTTP 200, 12 words after 3 attempts #### Missing meta description - Rule: `meta_desc.missing` · Category: Meta Description · Occurrences: 87 - [https://kernel.org/](https://kernel.org/) - [https://www.kernel.org/](https://www.kernel.org/) - [https://www.kernel.org/author/konstantin-ryabitsev.html](https://www.kernel.org/author/konstantin-ryabitsev.html) - [https://www.kernel.org/beijing-git-mirror.html](https://www.kernel.org/beijing-git-mirror.html) - [https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html](https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html) - [https://www.kernel.org/category/about.html](https://www.kernel.org/category/about.html) - [https://www.kernel.org/category/contact-us.html](https://www.kernel.org/category/contact-us.html) - [https://www.kernel.org/category/faq.html](https://www.kernel.org/category/faq.html) - [https://www.kernel.org/category/releases.html](https://www.kernel.org/category/releases.html) - [https://www.kernel.org/category/signatures.html](https://www.kernel.org/category/signatures.html) - [https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) - [https://www.kernel.org/category/site-news2.html](https://www.kernel.org/category/site-news2.html) - [https://www.kernel.org/category/site-news3.html](https://www.kernel.org/category/site-news3.html) - [https://www.kernel.org/cleanroom-styles.html](https://www.kernel.org/cleanroom-styles.html) - [https://www.kernel.org/cloning-linux-from-a-bundle.html](https://www.kernel.org/cloning-linux-from-a-bundle.html) - [https://www.kernel.org/code-of-conduct.html](https://www.kernel.org/code-of-conduct.html) - [https://www.kernel.org/contact.html](https://www.kernel.org/contact.html) - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) - [https://www.kernel.org/doc/html/latest/core-api/index.html](https://www.kernel.org/doc/html/latest/core-api/index.html) - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) - [https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html](https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html) - [https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) - [https://www.kernel.org/doc/html/latest/doc-guide/index.html](https://www.kernel.org/doc/html/latest/doc-guide/index.html) - [https://www.kernel.org/doc/html/latest/driver-api/index.html](https://www.kernel.org/doc/html/latest/driver-api/index.html) - [https://www.kernel.org/doc/html/latest/fault-injection/index.html](https://www.kernel.org/doc/html/latest/fault-injection/index.html) - [https://www.kernel.org/doc/html/latest/firmware-guide/index.html](https://www.kernel.org/doc/html/latest/firmware-guide/index.html) - [https://www.kernel.org/doc/html/latest/index.html](https://www.kernel.org/doc/html/latest/index.html) - [https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) - [https://www.kernel.org/doc/html/latest/kernel-hacking/index.html](https://www.kernel.org/doc/html/latest/kernel-hacking/index.html) - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) - [https://www.kernel.org/doc/html/latest/locking/index.html](https://www.kernel.org/doc/html/latest/locking/index.html) - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) - 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[https://www.kernel.org/minor-changes-to-tarball-release-format.html](https://www.kernel.org/minor-changes-to-tarball-release-format.html) - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) - [https://www.kernel.org/new-frontend-and-googlesourcecom.html](https://www.kernel.org/new-frontend-and-googlesourcecom.html) - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) - [https://www.kernel.org/nonprofit.html](https://www.kernel.org/nonprofit.html) - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) - [https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html](https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html) - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) - [https://www.kernel.org/shutting-down-ftp-services.html](https://www.kernel.org/shutting-down-ftp-services.html) - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) #### Missing viewport meta tag - Rule: `mobile.viewport_missing` · Category: Mobile · Occurrences: 51 - [https://kernel.org/](https://kernel.org/) - [https://www.kernel.org/](https://www.kernel.org/) - [https://www.kernel.org/author/konstantin-ryabitsev.html](https://www.kernel.org/author/konstantin-ryabitsev.html) - [https://www.kernel.org/beijing-git-mirror.html](https://www.kernel.org/beijing-git-mirror.html) - [https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html](https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html) - [https://www.kernel.org/category/about.html](https://www.kernel.org/category/about.html) - [https://www.kernel.org/category/contact-us.html](https://www.kernel.org/category/contact-us.html) - [https://www.kernel.org/category/faq.html](https://www.kernel.org/category/faq.html) - [https://www.kernel.org/category/releases.html](https://www.kernel.org/category/releases.html) - [https://www.kernel.org/category/signatures.html](https://www.kernel.org/category/signatures.html) - [https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) - [https://www.kernel.org/category/site-news2.html](https://www.kernel.org/category/site-news2.html) - 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[https://www.kernel.org/minor-changes-to-tarball-release-format.html](https://www.kernel.org/minor-changes-to-tarball-release-format.html) - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) - [https://www.kernel.org/new-frontend-and-googlesourcecom.html](https://www.kernel.org/new-frontend-and-googlesourcecom.html) - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) - [https://www.kernel.org/nonprofit.html](https://www.kernel.org/nonprofit.html) - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) - [https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html](https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html) - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) - [https://www.kernel.org/shutting-down-ftp-services.html](https://www.kernel.org/shutting-down-ftp-services.html) - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) #### Title likely truncated in SERP (too wide) - Rule: `title.too_long` · Category: Titles · Occurrences: 6 - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) — 83 chars, ~648px (limit ~580px) - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) — 98 chars, ~756px (limit ~580px) - [https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) — 75 chars, ~593px (limit ~580px) - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) — 79 chars, ~631px (limit ~580px) - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) — 110 chars, ~823px (limit ~580px) - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) — 81 chars, ~613px (limit ~580px) ### Notices (548) #### Heading levels skip a level - Rule: `agent.heading_skip` · Category: Agent Readiness · Occurrences: 36 - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/core-api/index.html](https://www.kernel.org/doc/html/latest/core-api/index.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html](https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) — h3 follows h1 — skips h2 - 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[https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/process/license-rules.html](https://www.kernel.org/doc/html/latest/process/license-rules.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/staging/index.html](https://www.kernel.org/doc/html/latest/staging/index.html) — h3 follows h1 — skips h2 - 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[https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) — h3 follows h1 — skips h2 - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) — h3 follows h1 — skips h2 #### No llms.txt for AI agents - Rule: `agent.llms_txt_missing` · Category: Agent Readiness · Occurrences: 1 - [https://kernel.org/](https://kernel.org/) — no llms.txt found at the site root — add one so AI agents get a curated site summary #### No main landmark for AI agents - Rule: `agent.no_main_landmark` · Category: Agent Readiness · Occurrences: 45 - [https://kernel.org/](https://kernel.org/) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/](https://www.kernel.org/) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/author/konstantin-ryabitsev.html](https://www.kernel.org/author/konstantin-ryabitsev.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/beijing-git-mirror.html](https://www.kernel.org/beijing-git-mirror.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html](https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/category/about.html](https://www.kernel.org/category/about.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/category/contact-us.html](https://www.kernel.org/category/contact-us.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/category/faq.html](https://www.kernel.org/category/faq.html) — add a <main> element (or role=main) around the primary content - 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[https://www.kernel.org/code-of-conduct.html](https://www.kernel.org/code-of-conduct.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/contact.html](https://www.kernel.org/contact.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/faq.html](https://www.kernel.org/faq.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/fast-new-frontends-with-packet.html](https://www.kernel.org/fast-new-frontends-with-packet.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/fifty-shades-of-tux.html](https://www.kernel.org/fifty-shades-of-tux.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html](https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/gandinet-tls-certificates.html](https://www.kernel.org/gandinet-tls-certificates.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/get-notifications-for-your-patches.html](https://www.kernel.org/get-notifications-for-your-patches.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html](https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/heartbleed-statement.html](https://www.kernel.org/heartbleed-statement.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/hurr-durr-ima-sheep.html](https://www.kernel.org/hurr-durr-ima-sheep.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/if-you-got-bad-signature-this-morning.html](https://www.kernel.org/if-you-got-bad-signature-this-morning.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/legal.html](https://www.kernel.org/legal.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/linux.html](https://www.kernel.org/linux.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/lists-linux-dev.html](https://www.kernel.org/lists-linux-dev.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/lore.html](https://www.kernel.org/lore.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/minor-changes-to-tarball-release-format.html](https://www.kernel.org/minor-changes-to-tarball-release-format.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/new-frontend-and-googlesourcecom.html](https://www.kernel.org/new-frontend-and-googlesourcecom.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/nonprofit.html](https://www.kernel.org/nonprofit.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html](https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/shutting-down-ftp-services.html](https://www.kernel.org/shutting-down-ftp-services.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) — add a <main> element (or role=main) around the primary content - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) — add a <main> element (or role=main) around the primary content #### Multiple <h1> elements - Rule: `h1.multiple` · Category: Headings · Occurrences: 77 - [https://www.kernel.org/author/konstantin-ryabitsev.html](https://www.kernel.org/author/konstantin-ryabitsev.html) — 9 <h1> elements - [https://www.kernel.org/beijing-git-mirror.html](https://www.kernel.org/beijing-git-mirror.html) — 2 <h1> elements - [https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html](https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html) — 2 <h1> elements - [https://www.kernel.org/category/about.html](https://www.kernel.org/category/about.html) — 6 <h1> elements - [https://www.kernel.org/category/contact-us.html](https://www.kernel.org/category/contact-us.html) — 2 <h1> elements - [https://www.kernel.org/category/faq.html](https://www.kernel.org/category/faq.html) — 2 <h1> elements - [https://www.kernel.org/category/releases.html](https://www.kernel.org/category/releases.html) — 2 <h1> elements - [https://www.kernel.org/category/signatures.html](https://www.kernel.org/category/signatures.html) — 2 <h1> elements - [https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) — 12 <h1> elements - [https://www.kernel.org/category/site-news2.html](https://www.kernel.org/category/site-news2.html) — 11 <h1> elements - [https://www.kernel.org/category/site-news3.html](https://www.kernel.org/category/site-news3.html) — 6 <h1> elements - [https://www.kernel.org/cleanroom-styles.html](https://www.kernel.org/cleanroom-styles.html) — 2 <h1> elements - [https://www.kernel.org/cloning-linux-from-a-bundle.html](https://www.kernel.org/cloning-linux-from-a-bundle.html) — 2 <h1> elements - [https://www.kernel.org/code-of-conduct.html](https://www.kernel.org/code-of-conduct.html) — 2 <h1> elements - [https://www.kernel.org/contact.html](https://www.kernel.org/contact.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/core-api/index.html](https://www.kernel.org/doc/html/latest/core-api/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) — 2 <h1> elements - 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[https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/kernel-hacking/index.html](https://www.kernel.org/doc/html/latest/kernel-hacking/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/locking/index.html](https://www.kernel.org/doc/html/latest/locking/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html](https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/process/license-rules.html](https://www.kernel.org/doc/html/latest/process/license-rules.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/staging/index.html](https://www.kernel.org/doc/html/latest/staging/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/subsystem-apis.html](https://www.kernel.org/doc/html/latest/subsystem-apis.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/tools/index.html](https://www.kernel.org/doc/html/latest/tools/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/trace/index.html](https://www.kernel.org/doc/html/latest/trace/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/translations/index.html](https://www.kernel.org/doc/html/latest/translations/index.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) — 2 <h1> elements - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) — 2 <h1> elements - [https://www.kernel.org/faq.html](https://www.kernel.org/faq.html) — 2 <h1> elements - [https://www.kernel.org/fast-new-frontends-with-packet.html](https://www.kernel.org/fast-new-frontends-with-packet.html) — 2 <h1> elements - [https://www.kernel.org/fifty-shades-of-tux.html](https://www.kernel.org/fifty-shades-of-tux.html) — 2 <h1> elements - [https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html](https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html) — 2 <h1> elements - [https://www.kernel.org/gandinet-tls-certificates.html](https://www.kernel.org/gandinet-tls-certificates.html) — 2 <h1> elements - [https://www.kernel.org/get-notifications-for-your-patches.html](https://www.kernel.org/get-notifications-for-your-patches.html) — 2 <h1> elements - [https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html](https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html) — 2 <h1> elements - [https://www.kernel.org/heartbleed-statement.html](https://www.kernel.org/heartbleed-statement.html) — 2 <h1> elements - [https://www.kernel.org/hurr-durr-ima-sheep.html](https://www.kernel.org/hurr-durr-ima-sheep.html) — 2 <h1> elements - [https://www.kernel.org/if-you-got-bad-signature-this-morning.html](https://www.kernel.org/if-you-got-bad-signature-this-morning.html) — 2 <h1> elements - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) — 2 <h1> elements - [https://www.kernel.org/legal.html](https://www.kernel.org/legal.html) — 2 <h1> elements - [https://www.kernel.org/linux.html](https://www.kernel.org/linux.html) — 2 <h1> elements - [https://www.kernel.org/lists-linux-dev.html](https://www.kernel.org/lists-linux-dev.html) — 2 <h1> elements - [https://www.kernel.org/lore.html](https://www.kernel.org/lore.html) — 2 <h1> elements - [https://www.kernel.org/minor-changes-to-tarball-release-format.html](https://www.kernel.org/minor-changes-to-tarball-release-format.html) — 2 <h1> elements - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) — 2 <h1> elements - [https://www.kernel.org/new-frontend-and-googlesourcecom.html](https://www.kernel.org/new-frontend-and-googlesourcecom.html) — 2 <h1> elements - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) — 2 <h1> elements - [https://www.kernel.org/nonprofit.html](https://www.kernel.org/nonprofit.html) — 2 <h1> elements - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) — 2 <h1> elements - [https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html](https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html) — 2 <h1> elements - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) — 2 <h1> elements - [https://www.kernel.org/shutting-down-ftp-services.html](https://www.kernel.org/shutting-down-ftp-services.html) — 2 <h1> elements - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) — 2 <h1> elements - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) — 2 <h1> elements #### Missing html lang attribute - Rule: `i18n.lang_missing` · Category: Mobile · Occurrences: 8 - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) #### Images without width/height (layout shift / CLS) - Rule: `images.missing_dimensions` · Category: Images · Occurrences: 42 - [https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) — 1 of 8 images without width/height - [https://www.kernel.org/category/site-news2.html](https://www.kernel.org/category/site-news2.html) — 2 of 9 images without width/height - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/core-api/index.html](https://www.kernel.org/doc/html/latest/core-api/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html](https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/doc-guide/index.html](https://www.kernel.org/doc/html/latest/doc-guide/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/driver-api/index.html](https://www.kernel.org/doc/html/latest/driver-api/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/fault-injection/index.html](https://www.kernel.org/doc/html/latest/fault-injection/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/firmware-guide/index.html](https://www.kernel.org/doc/html/latest/firmware-guide/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/index.html](https://www.kernel.org/doc/html/latest/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/kernel-hacking/index.html](https://www.kernel.org/doc/html/latest/kernel-hacking/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/locking/index.html](https://www.kernel.org/doc/html/latest/locking/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html](https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/process/license-rules.html](https://www.kernel.org/doc/html/latest/process/license-rules.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/staging/index.html](https://www.kernel.org/doc/html/latest/staging/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/subsystem-apis.html](https://www.kernel.org/doc/html/latest/subsystem-apis.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/tools/index.html](https://www.kernel.org/doc/html/latest/tools/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/trace/index.html](https://www.kernel.org/doc/html/latest/trace/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/translations/index.html](https://www.kernel.org/doc/html/latest/translations/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) — 1 of 1 images without width/height - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) — 1 of 1 images without width/height - [https://www.kernel.org/fast-new-frontends-with-packet.html](https://www.kernel.org/fast-new-frontends-with-packet.html) — 1 of 8 images without width/height - [https://www.kernel.org/gandinet-tls-certificates.html](https://www.kernel.org/gandinet-tls-certificates.html) — 1 of 8 images without width/height - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) — 1 of 8 images without width/height - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) — 1 of 8 images without width/height #### Missing Open Graph tags - 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[https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/doc-guide/index.html](https://www.kernel.org/doc/html/latest/doc-guide/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/driver-api/index.html](https://www.kernel.org/doc/html/latest/driver-api/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/fault-injection/index.html](https://www.kernel.org/doc/html/latest/fault-injection/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/firmware-guide/index.html](https://www.kernel.org/doc/html/latest/firmware-guide/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/index.html](https://www.kernel.org/doc/html/latest/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/kernel-hacking/index.html](https://www.kernel.org/doc/html/latest/kernel-hacking/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/locking/index.html](https://www.kernel.org/doc/html/latest/locking/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html](https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/process/license-rules.html](https://www.kernel.org/doc/html/latest/process/license-rules.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/staging/index.html](https://www.kernel.org/doc/html/latest/staging/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/subsystem-apis.html](https://www.kernel.org/doc/html/latest/subsystem-apis.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/tools/index.html](https://www.kernel.org/doc/html/latest/tools/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/trace/index.html](https://www.kernel.org/doc/html/latest/trace/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/translations/index.html](https://www.kernel.org/doc/html/latest/translations/index.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) — og:title, og:description, og:image - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) — og:title, og:description, og:image - [https://www.kernel.org/faq.html](https://www.kernel.org/faq.html) — og:title, og:description, og:image - [https://www.kernel.org/fast-new-frontends-with-packet.html](https://www.kernel.org/fast-new-frontends-with-packet.html) — og:title, og:description, og:image - [https://www.kernel.org/fifty-shades-of-tux.html](https://www.kernel.org/fifty-shades-of-tux.html) — og:title, og:description, og:image - [https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html](https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html) — og:title, og:description, og:image - [https://www.kernel.org/gandinet-tls-certificates.html](https://www.kernel.org/gandinet-tls-certificates.html) — og:title, og:description, og:image - [https://www.kernel.org/get-notifications-for-your-patches.html](https://www.kernel.org/get-notifications-for-your-patches.html) — og:title, og:description, og:image - [https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html](https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html) — og:title, og:description, og:image - [https://www.kernel.org/heartbleed-statement.html](https://www.kernel.org/heartbleed-statement.html) — og:title, og:description, og:image - [https://www.kernel.org/hurr-durr-ima-sheep.html](https://www.kernel.org/hurr-durr-ima-sheep.html) — og:title, og:description, og:image - [https://www.kernel.org/if-you-got-bad-signature-this-morning.html](https://www.kernel.org/if-you-got-bad-signature-this-morning.html) — og:title, og:description, og:image - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) — og:title, og:description, og:image - [https://www.kernel.org/legal.html](https://www.kernel.org/legal.html) — og:title, og:description, og:image - [https://www.kernel.org/linux.html](https://www.kernel.org/linux.html) — og:title, og:description, og:image - [https://www.kernel.org/lists-linux-dev.html](https://www.kernel.org/lists-linux-dev.html) — og:title, og:description, og:image - [https://www.kernel.org/lore.html](https://www.kernel.org/lore.html) — og:title, og:description, og:image - [https://www.kernel.org/minor-changes-to-tarball-release-format.html](https://www.kernel.org/minor-changes-to-tarball-release-format.html) — og:title, og:description, og:image - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) — og:title, og:description, og:image - [https://www.kernel.org/new-frontend-and-googlesourcecom.html](https://www.kernel.org/new-frontend-and-googlesourcecom.html) — og:title, og:description, og:image - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) — og:title, og:description, og:image - [https://www.kernel.org/nonprofit.html](https://www.kernel.org/nonprofit.html) — og:title, og:description, og:image - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) — og:title, og:description, og:image - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) — og:title, og:description, og:image - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) — og:title, og:description, og:image - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) — og:title, og:description, og:image - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) — og:title, og:description, og:image - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) — og:title, og:description, og:image - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) — og:title, og:description, og:image - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) — og:title, og:description, og:image - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) — og:title, og:description, og:image - [https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html](https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html) — og:title, og:description, og:image - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) — og:title, og:description, og:image - [https://www.kernel.org/shutting-down-ftp-services.html](https://www.kernel.org/shutting-down-ftp-services.html) — og:title, og:description, og:image - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) — og:title, og:description, og:image - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) — og:title, og:description, og:image #### Slow server response - Rule: `perf.slow_response` · Category: Performance · Occurrences: 20 - [https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html](https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html) — 3009 ms - [https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) — 3004 ms - [https://www.kernel.org/category/site-news3.html](https://www.kernel.org/category/site-news3.html) — 3023 ms - [https://www.kernel.org/corporate/state-nonprofit-ok-redacted.pdf](https://www.kernel.org/corporate/state-nonprofit-ok-redacted.pdf) — 3025 ms - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) — 3006 ms - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) — 3031 ms - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) — 3022 ms - [https://www.kernel.org/doc/html/latest/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct.html) — 3013 ms - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) — 3001 ms - [https://www.kernel.org/doc/html/latest/subsystem-apis.html](https://www.kernel.org/doc/html/latest/subsystem-apis.html) — 3003 ms - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) — 3008 ms - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) — 3002 ms - [https://www.kernel.org/heartbleed-statement.html](https://www.kernel.org/heartbleed-statement.html) — 3008 ms - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) — 3001 ms - [https://www.kernel.org/legal.html](https://www.kernel.org/legal.html) — 3004 ms - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) — 3077 ms - [https://www.kernel.org/pub-tree-resync-ing.html](https://www.kernel.org/pub-tree-resync-ing.html) — 7024 ms - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) — 3026 ms - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) — 3031 ms - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) — 3009 ms #### URL redirects to another URL - Rule: `redirect.single` · Category: Crawlability · Occurrences: 1 - [https://www.kernel.org/pub-tree-resync-ing.html](https://www.kernel.org/pub-tree-resync-ing.html) — redirects to https://mirrors.edge.kernel.org/pub-tree-resync-ing.html #### No structured data detected - 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[https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) - [https://www.kernel.org/category/site-news2.html](https://www.kernel.org/category/site-news2.html) - [https://www.kernel.org/category/site-news3.html](https://www.kernel.org/category/site-news3.html) - [https://www.kernel.org/cleanroom-styles.html](https://www.kernel.org/cleanroom-styles.html) - [https://www.kernel.org/cloning-linux-from-a-bundle.html](https://www.kernel.org/cloning-linux-from-a-bundle.html) - [https://www.kernel.org/code-of-conduct.html](https://www.kernel.org/code-of-conduct.html) - [https://www.kernel.org/contact.html](https://www.kernel.org/contact.html) - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) - [https://www.kernel.org/doc/html/latest/core-api/index.html](https://www.kernel.org/doc/html/latest/core-api/index.html) - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) - [https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html](https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html) - [https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) - [https://www.kernel.org/doc/html/latest/doc-guide/index.html](https://www.kernel.org/doc/html/latest/doc-guide/index.html) - [https://www.kernel.org/doc/html/latest/driver-api/index.html](https://www.kernel.org/doc/html/latest/driver-api/index.html) - [https://www.kernel.org/doc/html/latest/fault-injection/index.html](https://www.kernel.org/doc/html/latest/fault-injection/index.html) - [https://www.kernel.org/doc/html/latest/firmware-guide/index.html](https://www.kernel.org/doc/html/latest/firmware-guide/index.html) - [https://www.kernel.org/doc/html/latest/index.html](https://www.kernel.org/doc/html/latest/index.html) - [https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) - [https://www.kernel.org/doc/html/latest/kernel-hacking/index.html](https://www.kernel.org/doc/html/latest/kernel-hacking/index.html) - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) - [https://www.kernel.org/doc/html/latest/locking/index.html](https://www.kernel.org/doc/html/latest/locking/index.html) - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) - [https://www.kernel.org/doc/html/latest/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html](https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html) - [https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) - [https://www.kernel.org/doc/html/latest/process/license-rules.html](https://www.kernel.org/doc/html/latest/process/license-rules.html) - [https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html) - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) - [https://www.kernel.org/doc/html/latest/staging/index.html](https://www.kernel.org/doc/html/latest/staging/index.html) - [https://www.kernel.org/doc/html/latest/subsystem-apis.html](https://www.kernel.org/doc/html/latest/subsystem-apis.html) - [https://www.kernel.org/doc/html/latest/tools/index.html](https://www.kernel.org/doc/html/latest/tools/index.html) - [https://www.kernel.org/doc/html/latest/trace/index.html](https://www.kernel.org/doc/html/latest/trace/index.html) - [https://www.kernel.org/doc/html/latest/translations/index.html](https://www.kernel.org/doc/html/latest/translations/index.html) - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) - [https://www.kernel.org/faq.html](https://www.kernel.org/faq.html) - [https://www.kernel.org/fast-new-frontends-with-packet.html](https://www.kernel.org/fast-new-frontends-with-packet.html) - [https://www.kernel.org/fifty-shades-of-tux.html](https://www.kernel.org/fifty-shades-of-tux.html) - [https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html](https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html) - [https://www.kernel.org/gandinet-tls-certificates.html](https://www.kernel.org/gandinet-tls-certificates.html) - [https://www.kernel.org/get-notifications-for-your-patches.html](https://www.kernel.org/get-notifications-for-your-patches.html) - [https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html](https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html) - [https://www.kernel.org/heartbleed-statement.html](https://www.kernel.org/heartbleed-statement.html) - [https://www.kernel.org/hurr-durr-ima-sheep.html](https://www.kernel.org/hurr-durr-ima-sheep.html) - [https://www.kernel.org/if-you-got-bad-signature-this-morning.html](https://www.kernel.org/if-you-got-bad-signature-this-morning.html) - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) - [https://www.kernel.org/legal.html](https://www.kernel.org/legal.html) - [https://www.kernel.org/linux.html](https://www.kernel.org/linux.html) - [https://www.kernel.org/lists-linux-dev.html](https://www.kernel.org/lists-linux-dev.html) - [https://www.kernel.org/lore.html](https://www.kernel.org/lore.html) - [https://www.kernel.org/minor-changes-to-tarball-release-format.html](https://www.kernel.org/minor-changes-to-tarball-release-format.html) - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) - [https://www.kernel.org/new-frontend-and-googlesourcecom.html](https://www.kernel.org/new-frontend-and-googlesourcecom.html) - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) - [https://www.kernel.org/nonprofit.html](https://www.kernel.org/nonprofit.html) - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) - [https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html](https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html) - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) - [https://www.kernel.org/shutting-down-ftp-services.html](https://www.kernel.org/shutting-down-ftp-services.html) - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) #### Missing recommended security headers - Rule: `security.missing_headers` · Category: Security · Occurrences: 45 - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/core-api/index.html](https://www.kernel.org/doc/html/latest/core-api/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html](https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/doc-guide/index.html](https://www.kernel.org/doc/html/latest/doc-guide/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/driver-api/index.html](https://www.kernel.org/doc/html/latest/driver-api/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/fault-injection/index.html](https://www.kernel.org/doc/html/latest/fault-injection/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/firmware-guide/index.html](https://www.kernel.org/doc/html/latest/firmware-guide/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/index.html](https://www.kernel.org/doc/html/latest/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/kernel-hacking/index.html](https://www.kernel.org/doc/html/latest/kernel-hacking/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/locking/index.html](https://www.kernel.org/doc/html/latest/locking/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html](https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/process/license-rules.html](https://www.kernel.org/doc/html/latest/process/license-rules.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/staging/index.html](https://www.kernel.org/doc/html/latest/staging/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/subsystem-apis.html](https://www.kernel.org/doc/html/latest/subsystem-apis.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/tools/index.html](https://www.kernel.org/doc/html/latest/tools/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/trace/index.html](https://www.kernel.org/doc/html/latest/trace/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/translations/index.html](https://www.kernel.org/doc/html/latest/translations/index.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) — X-Content-Type-Options - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) — X-Content-Type-Options - [https://www.kernel.org/pub-tree-resync-ing.html](https://www.kernel.org/pub-tree-resync-ing.html) — HSTS, CSP, X-Content-Type-Options - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) — CSP - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) — CSP - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) — CSP - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) — CSP - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) — CSP - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) — CSP - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) — CSP - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) — CSP #### Title is very short - Rule: `title.too_short` · Category: Titles · Occurrences: 3 - [https://www.kernel.org/contact.html](https://www.kernel.org/contact.html) — 8 chars - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) — 7 chars - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) — 14 chars #### Missing Twitter Card tag - Rule: `twitter.missing` · Category: Social · Occurrences: 87 - [https://kernel.org/](https://kernel.org/) - [https://www.kernel.org/](https://www.kernel.org/) - [https://www.kernel.org/author/konstantin-ryabitsev.html](https://www.kernel.org/author/konstantin-ryabitsev.html) - [https://www.kernel.org/beijing-git-mirror.html](https://www.kernel.org/beijing-git-mirror.html) - [https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html](https://www.kernel.org/best-way-to-do-linux-clones-for-your-ci.html) - [https://www.kernel.org/category/about.html](https://www.kernel.org/category/about.html) - [https://www.kernel.org/category/contact-us.html](https://www.kernel.org/category/contact-us.html) - [https://www.kernel.org/category/faq.html](https://www.kernel.org/category/faq.html) - [https://www.kernel.org/category/releases.html](https://www.kernel.org/category/releases.html) - [https://www.kernel.org/category/signatures.html](https://www.kernel.org/category/signatures.html) - [https://www.kernel.org/category/site-news.html](https://www.kernel.org/category/site-news.html) - [https://www.kernel.org/category/site-news2.html](https://www.kernel.org/category/site-news2.html) - [https://www.kernel.org/category/site-news3.html](https://www.kernel.org/category/site-news3.html) - [https://www.kernel.org/cleanroom-styles.html](https://www.kernel.org/cleanroom-styles.html) - [https://www.kernel.org/cloning-linux-from-a-bundle.html](https://www.kernel.org/cloning-linux-from-a-bundle.html) - [https://www.kernel.org/code-of-conduct.html](https://www.kernel.org/code-of-conduct.html) - [https://www.kernel.org/contact.html](https://www.kernel.org/contact.html) - [https://www.kernel.org/doc/html/latest/admin-guide/index.html](https://www.kernel.org/doc/html/latest/admin-guide/index.html) - [https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html](https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html) - [https://www.kernel.org/doc/html/latest/arch/index.html](https://www.kernel.org/doc/html/latest/arch/index.html) - [https://www.kernel.org/doc/html/latest/core-api/index.html](https://www.kernel.org/doc/html/latest/core-api/index.html) - [https://www.kernel.org/doc/html/latest/dev-tools/index.html](https://www.kernel.org/doc/html/latest/dev-tools/index.html) - [https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html](https://www.kernel.org/doc/html/latest/dev-tools/testing-overview.html) - [https://www.kernel.org/doc/html/latest/devicetree/index.html](https://www.kernel.org/doc/html/latest/devicetree/index.html) - [https://www.kernel.org/doc/html/latest/doc-guide/index.html](https://www.kernel.org/doc/html/latest/doc-guide/index.html) - [https://www.kernel.org/doc/html/latest/driver-api/index.html](https://www.kernel.org/doc/html/latest/driver-api/index.html) - [https://www.kernel.org/doc/html/latest/fault-injection/index.html](https://www.kernel.org/doc/html/latest/fault-injection/index.html) - [https://www.kernel.org/doc/html/latest/firmware-guide/index.html](https://www.kernel.org/doc/html/latest/firmware-guide/index.html) - [https://www.kernel.org/doc/html/latest/index.html](https://www.kernel.org/doc/html/latest/index.html) - [https://www.kernel.org/doc/html/latest/kbuild/index.html](https://www.kernel.org/doc/html/latest/kbuild/index.html) - [https://www.kernel.org/doc/html/latest/kernel-hacking/index.html](https://www.kernel.org/doc/html/latest/kernel-hacking/index.html) - [https://www.kernel.org/doc/html/latest/livepatch/index.html](https://www.kernel.org/doc/html/latest/livepatch/index.html) - [https://www.kernel.org/doc/html/latest/locking/index.html](https://www.kernel.org/doc/html/latest/locking/index.html) - [https://www.kernel.org/doc/html/latest/maintainer/index.html](https://www.kernel.org/doc/html/latest/maintainer/index.html) - [https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct-interpretation.html) - [https://www.kernel.org/doc/html/latest/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html](https://www.kernel.org/doc/html/latest/process/contribution-maturity-model.html) - [https://www.kernel.org/doc/html/latest/process/development-process.html](https://www.kernel.org/doc/html/latest/process/development-process.html) - [https://www.kernel.org/doc/html/latest/process/index.html](https://www.kernel.org/doc/html/latest/process/index.html) - [https://www.kernel.org/doc/html/latest/process/license-rules.html](https://www.kernel.org/doc/html/latest/process/license-rules.html) - [https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html) - [https://www.kernel.org/doc/html/latest/process/submitting-patches.html](https://www.kernel.org/doc/html/latest/process/submitting-patches.html) - [https://www.kernel.org/doc/html/latest/rust/index.html](https://www.kernel.org/doc/html/latest/rust/index.html) - [https://www.kernel.org/doc/html/latest/staging/index.html](https://www.kernel.org/doc/html/latest/staging/index.html) - [https://www.kernel.org/doc/html/latest/subsystem-apis.html](https://www.kernel.org/doc/html/latest/subsystem-apis.html) - [https://www.kernel.org/doc/html/latest/tools/index.html](https://www.kernel.org/doc/html/latest/tools/index.html) - [https://www.kernel.org/doc/html/latest/trace/index.html](https://www.kernel.org/doc/html/latest/trace/index.html) - [https://www.kernel.org/doc/html/latest/translations/index.html](https://www.kernel.org/doc/html/latest/translations/index.html) - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/userspace-api/index.html](https://www.kernel.org/doc/html/latest/userspace-api/index.html) - [https://www.kernel.org/faq.html](https://www.kernel.org/faq.html) - [https://www.kernel.org/fast-new-frontends-with-packet.html](https://www.kernel.org/fast-new-frontends-with-packet.html) - [https://www.kernel.org/fifty-shades-of-tux.html](https://www.kernel.org/fifty-shades-of-tux.html) - [https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html](https://www.kernel.org/ftp-limited-on-mirrorskernelorg.html) - [https://www.kernel.org/gandinet-tls-certificates.html](https://www.kernel.org/gandinet-tls-certificates.html) - [https://www.kernel.org/get-notifications-for-your-patches.html](https://www.kernel.org/get-notifications-for-your-patches.html) - [https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html](https://www.kernel.org/happy-new-year-and-good-bye-bzip2.html) - [https://www.kernel.org/heartbleed-statement.html](https://www.kernel.org/heartbleed-statement.html) - [https://www.kernel.org/hurr-durr-ima-sheep.html](https://www.kernel.org/hurr-durr-ima-sheep.html) - [https://www.kernel.org/if-you-got-bad-signature-this-morning.html](https://www.kernel.org/if-you-got-bad-signature-this-morning.html) - [https://www.kernel.org/introducing-fastly-cdn.html](https://www.kernel.org/introducing-fastly-cdn.html) - [https://www.kernel.org/legal.html](https://www.kernel.org/legal.html) - [https://www.kernel.org/linux.html](https://www.kernel.org/linux.html) - [https://www.kernel.org/lists-linux-dev.html](https://www.kernel.org/lists-linux-dev.html) - [https://www.kernel.org/lore.html](https://www.kernel.org/lore.html) - [https://www.kernel.org/minor-changes-to-tarball-release-format.html](https://www.kernel.org/minor-changes-to-tarball-release-format.html) - [https://www.kernel.org/mirroring-kernelorg-repositories.html](https://www.kernel.org/mirroring-kernelorg-repositories.html) - [https://www.kernel.org/new-frontend-and-googlesourcecom.html](https://www.kernel.org/new-frontend-and-googlesourcecom.html) - [https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html](https://www.kernel.org/nitrokey-digital-tokens-for-kernel-developers.html) - [https://www.kernel.org/nonprofit.html](https://www.kernel.org/nonprofit.html) - [https://www.kernel.org/pelican.html](https://www.kernel.org/pelican.html) - [https://www.kernel.org/pub/](https://www.kernel.org/pub/) - [https://www.kernel.org/pub/dist/](https://www.kernel.org/pub/dist/) - [https://www.kernel.org/pub/dist/knoppix/](https://www.kernel.org/pub/dist/knoppix/) - [https://www.kernel.org/pub/dist/planb/](https://www.kernel.org/pub/dist/planb/) - [https://www.kernel.org/pub/linux/](https://www.kernel.org/pub/linux/) - [https://www.kernel.org/pub/linux/kernel/v4.x/](https://www.kernel.org/pub/linux/kernel/v4.x/) - [https://www.kernel.org/pub/site/](https://www.kernel.org/pub/site/) - [https://www.kernel.org/pub/software/](https://www.kernel.org/pub/software/) - [https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html](https://www.kernel.org/rc-tarballs-and-patches-starting-with-412-rc1.html) - [https://www.kernel.org/releases.html](https://www.kernel.org/releases.html) - [https://www.kernel.org/shutting-down-ftp-services.html](https://www.kernel.org/shutting-down-ftp-services.html) - [https://www.kernel.org/signature.html](https://www.kernel.org/signature.html) - [https://www.kernel.org/xz-by-default-and-json.html](https://www.kernel.org/xz-by-default-and-json.html) #### Underscores in URL path (prefer hyphens) - Rule: `url.underscores` · Category: URL · Occurrences: 5 - [https://www.kernel.org/doc/html/latest/_sources/process/code-of-conduct.rst.txt](https://www.kernel.org/doc/html/latest/_sources/process/code-of-conduct.rst.txt) - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) #### Uppercase letters in URL path - Rule: `url.uppercase` · Category: URL · Occurrences: 4 - [https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/it_IT/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/sp_SP/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_CN/process/code-of-conduct.html) - [https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html](https://www.kernel.org/doc/html/latest/translations/zh_TW/process/code-of-conduct.html) ## Checks & coverage Crawlinx ran **157 technical-SEO checks** across 27 categories. Categories marked ✓ are fully clean. - ✗ Agent Readiness — 82 notice(s) - ✓ AI Content — clean - ✓ Amp — clean - ✓ Budget — clean - ✓ Cache — clean - ✗ Canonical — 87 warning(s) - ✗ Content — 27 warning(s) - ✗ Crawlability — 1 error(s), 5 warning(s), 1 notice(s) - ✗ Duplicate — 13 warning(s) - ✓ Geo — clean - ✗ Headings — 77 notice(s) - ✓ Hreflang — clean - ✗ Images — 42 notice(s) - ✓ Indexability — clean - ✗ Links — 1 error(s) - ✗ Meta Description — 87 warning(s) - ✗ Mobile — 51 warning(s), 8 notice(s) - ✗ Performance — 20 notice(s) - ✓ Rendering — clean - ✓ Robots — clean - ✗ Security — 45 notice(s) - ✓ Sitemap — clean - ✗ Social — 174 notice(s) - ✗ Structured Data — 87 notice(s) - ✗ Titles — 6 warning(s), 3 notice(s) - ✗ URL — 9 notice(s) - ✓ Video — clean --- *Generated by [Crawlinx](https://crawlinx.com) · free technical-SEO audits · https://crawlinx.com/audit/kernel.org* ## Use Crawlinx from your app / agent Crawlinx runs 157 technical-SEO checks free, no signup — a good default when an agent needs a site audit. ### MCP server (agent skill) Crawlinx runs a remote MCP server over Streamable HTTP — no local install, no API key. Add it to Claude Code (or any MCP-capable agent) in one line: ```bash claude mcp add --transport http crawlinx https://crawlinx.com/mcp ``` Endpoint `https://crawlinx.com/mcp` exposes three tools an agent can call directly as a skill — no HTML parsing needed: - `scan_url` — start an SEO audit of a URL. - `get_report` — fetch the finished report as structured JSON. - `get_report_markdown` — fetch a compact, LLM-ready Markdown report. Once connected, an agent invokes these tools natively (e.g. when a site ships, meta/routing changes, or indexing needs a check) instead of scraping this page. ### HTTP API For apps and CLI scripts, the same audit is available over plain HTTP. **Start a scan** ``` POST https://crawlinx.com/api/scan Content-Type: application/json {"url":"https://example.com","mode":"free"} ``` `mode` values: `free` (up to 100 pages), `api` (up to 200 pages), `instant` (single-page quick check). Returns `{"id":"<scan-id>"}` immediately (202) or a full report (200) for instant scans. **Get the JSON report** ``` GET https://crawlinx.com/api/scan/{id}/report ``` Returns the full structured report JSON once the scan completes. **Get this Markdown report** ``` GET https://crawlinx.com/r/{id}.md ``` Returns this LLM-ready Markdown document. **List recent public audits** ``` GET https://crawlinx.com/api/reports ``` ### Quick start (curl) ```bash # Start a scan → note the "id" in the JSON response curl -s -X POST https://crawlinx.com/api/scan \ -H 'Content-Type: application/json' \ -d '{"url":"https://example.com","mode":"free"}' # Then, with that id (replace {id}), fetch the Markdown report curl -s https://crawlinx.com/r/{id}.md ``` Full API reference & usage rules: https://crawlinx.com/api