65
SEO audit for semanticdiff.com
SemanticDiff - Language Aware Diff For VS Code & GitHub
Health 65/100 (fair) · 50 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)SemanticDiff helps you review code diffs in VS Code and GitHub faster. It hides irrelevant changes, detects moved code, and understands refactorings.
50
pages crawled
50
indexable pages
0
errors
109
warnings
378
notices
0
orphan pages
0
broken links
Category breakdown
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Agent Readiness | 70 | 0 | 50 | 104 |
| Canonical | 70 | 0 | 50 | 0 |
| Duplicate | 98 | 0 | 4 | 2 |
| Content | 98 | 0 | 3 | 4 |
| AI Content | 99 | 0 | 1 | 0 |
| Meta Description | 99 | 0 | 1 | 1 |
| Headings | 100 | 0 | 0 | 50 |
| Images | 100 | 0 | 0 | 1 |
| Links | 100 | 0 | 0 | 4 |
| Performance | 100 | 0 | 0 | 81 |
| Robots | 100 | 0 | 0 | 1 |
| Social | 100 | 0 | 0 | 80 |
| Structured Data | 100 | 0 | 0 | 50 |
Findings
Warnings (7 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 50 occurrence(s)
- https://semanticdiff.com/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/blog/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/blog/language-aware-diff-highlight/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/categories/semanticdiff/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/contact/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/ — 7 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/adjust-diff/load-context/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/github/dashboard/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/github/installation/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/understand-diff/colors/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/understand-diff/middle-bar/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/vscode/installation/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/docs/what-is-semanticdiff/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/github/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/github/faq/ — 5 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/impressum/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/online-diff/ — 7 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/online-diff/xml/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/privacy-policy-website/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/privacy-policy/ — 6 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/refund-policy/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/terms-of-use/ — 5 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/vscode/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://semanticdiff.com/vscode/faq/ — 4 button/link(s) with no text or aria-label — an agent can't target them
warning Unfilled template or prompt-leak text
Rule ai.prompt_leak · AI Content · 1 occurrence(s)
- https://semanticdiff.com/blog/semanticdiff-0.9.0/ — The page contains unfilled template or prompt-echo text — e.g. "[[ ... ]]". This usually means a generation template was published without being completed or cleaned up. Fill in or remove the placeholder so readers and crawlers don't see the scaffolding.
warning Missing canonical tag
Rule canonical.missing · Canonical · 50 occurrence(s)
- https://semanticdiff.com/
- https://semanticdiff.com/blog/
- https://semanticdiff.com/blog/language-aware-diff-highlight/
- https://semanticdiff.com/categories/semanticdiff/
- https://semanticdiff.com/contact/
- https://semanticdiff.com/docs/
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/
- https://semanticdiff.com/docs/adjust-diff/load-context/
- https://semanticdiff.com/docs/github/dashboard/
- https://semanticdiff.com/docs/github/installation/
- https://semanticdiff.com/docs/understand-diff/colors/
- https://semanticdiff.com/docs/understand-diff/middle-bar/
- https://semanticdiff.com/docs/vscode/installation/
- https://semanticdiff.com/docs/what-is-semanticdiff/
- https://semanticdiff.com/github/
- https://semanticdiff.com/github/faq/
- https://semanticdiff.com/impressum/
- https://semanticdiff.com/online-diff/
- https://semanticdiff.com/online-diff/xml/
- https://semanticdiff.com/privacy-policy-website/
- https://semanticdiff.com/privacy-policy/
- https://semanticdiff.com/refund-policy/
- https://semanticdiff.com/terms-of-use/
- https://semanticdiff.com/vscode/
- https://semanticdiff.com/vscode/faq/
warning Thin content (low word count)
Rule content.thin · Content · 3 occurrence(s)
- https://semanticdiff.com/online-diff/ — 184 words
- https://semanticdiff.com/privacy-policy/ — 179 words
- https://semanticdiff.com/terms-of-use/ — 173 words
warning Near-duplicate page content
Rule duplicate.near · Duplicate · 2 occurrence(s)
- https://semanticdiff.com/categories/github/ — near-duplicate of 1 page(s): https://semanticdiff.com/categories/semanticdiff/
- https://semanticdiff.com/categories/semanticdiff/ — near-duplicate of 1 page(s): https://semanticdiff.com/categories/github/
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 2 occurrence(s)
- https://semanticdiff.com/docs/github/options/ — title shared by 2 pages: https://semanticdiff.com/docs/vscode/options/
- https://semanticdiff.com/docs/vscode/options/ — title shared by 2 pages: https://semanticdiff.com/docs/github/options/
warning Missing meta description
Rule meta_desc.missing · Meta Description · 1 occurrence(s)
Notices (16 rules)
notice Invalid ARIA role
Rule agent.aria_invalid_role · Agent Readiness · 3 occurrence(s)
- https://semanticdiff.com/docs/github/open-diff/ — role="doc-backlink" is not a valid ARIA role
- https://semanticdiff.com/docs/github/open-diff/ — role="doc-endnotes" is not a valid ARIA role
- https://semanticdiff.com/docs/github/open-diff/ — role="doc-noteref" is not a valid ARIA role
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 50 occurrence(s)
- https://semanticdiff.com/ — h6 follows h1 — skips h2
- https://semanticdiff.com/blog/ — h5 follows h1 — skips h2
- https://semanticdiff.com/blog/language-aware-diff-highlight/ — h3 follows h1 — skips h2
- https://semanticdiff.com/categories/semanticdiff/ — h5 follows h1 — skips h2
- https://semanticdiff.com/contact/ — h3 follows h1 — skips h2
- https://semanticdiff.com/docs/ — h5 follows h1 — skips h2
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ — h5 follows h1 — skips h2
- https://semanticdiff.com/docs/adjust-diff/load-context/ — h5 follows h1 — skips h2
- https://semanticdiff.com/docs/github/dashboard/ — h5 follows h1 — skips h2
- https://semanticdiff.com/docs/github/installation/ — h5 follows h1 — skips h2
- https://semanticdiff.com/docs/understand-diff/colors/ — h5 follows h1 — skips h2
- https://semanticdiff.com/docs/understand-diff/middle-bar/ — h5 follows h1 — skips h2
- https://semanticdiff.com/docs/vscode/installation/ — h5 follows h1 — skips h2
- https://semanticdiff.com/docs/what-is-semanticdiff/ — h5 follows h1 — skips h2
- https://semanticdiff.com/github/ — h5 follows h1 — skips h2
- https://semanticdiff.com/github/faq/ — h5 follows h1 — skips h2
- https://semanticdiff.com/impressum/ — h5 follows h1 — skips h2
- https://semanticdiff.com/online-diff/ — h5 follows h1 — skips h2
- https://semanticdiff.com/online-diff/xml/ — h3 follows h1 — skips h2
- https://semanticdiff.com/privacy-policy-website/ — h5 follows h1 — skips h2
- https://semanticdiff.com/privacy-policy/ — h5 follows h1 — skips h2
- https://semanticdiff.com/refund-policy/ — h5 follows h1 — skips h2
- https://semanticdiff.com/terms-of-use/ — h5 follows h1 — skips h2
- https://semanticdiff.com/vscode/ — h5 follows h1 — skips h2
- https://semanticdiff.com/vscode/faq/ — h5 follows h1 — skips h2
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://semanticdiff.com/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice No main landmark for AI agents
Rule agent.no_main_landmark · Agent Readiness · 50 occurrence(s)
- https://semanticdiff.com/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/blog/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/blog/language-aware-diff-highlight/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/categories/semanticdiff/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/contact/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/adjust-diff/load-context/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/github/dashboard/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/github/installation/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/understand-diff/colors/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/understand-diff/middle-bar/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/vscode/installation/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/docs/what-is-semanticdiff/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/github/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/github/faq/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/impressum/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/online-diff/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/online-diff/xml/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/privacy-policy-website/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/privacy-policy/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/refund-policy/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/terms-of-use/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/vscode/ — add a <main> element (or role=main) around the primary content
- https://semanticdiff.com/vscode/faq/ — add a <main> element (or role=main) around the primary content
notice Main text is hard to read (low Flesch Reading Ease)
Rule content.readability_poor · Content · 4 occurrence(s)
- https://semanticdiff.com/blog/semanticdiff-0.9.0/ — this page reads as difficult (Flesch Reading Ease 50, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
- https://semanticdiff.com/categories/semanticdiff/ — this page reads as difficult (Flesch Reading Ease 50, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
- https://semanticdiff.com/github/ — this page reads as difficult (Flesch Reading Ease 45, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
- https://semanticdiff.com/impressum/ — this page reads as difficult (Flesch Reading Ease 41, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
notice Duplicate meta description across pages
Rule duplicate.meta_desc · Duplicate · 2 occurrence(s)
- https://semanticdiff.com/docs/github/plans/ — meta description shared by 2 pages: https://semanticdiff.com/docs/github/sidebar/
- https://semanticdiff.com/docs/github/sidebar/ — meta description shared by 2 pages: https://semanticdiff.com/docs/github/plans/
notice Multiple <h1> elements
Rule h1.multiple · Headings · 50 occurrence(s)
- https://semanticdiff.com/ — 3 <h1> elements
- https://semanticdiff.com/blog/ — 3 <h1> elements
- https://semanticdiff.com/blog/language-aware-diff-highlight/ — 3 <h1> elements
- https://semanticdiff.com/categories/semanticdiff/ — 3 <h1> elements
- https://semanticdiff.com/contact/ — 3 <h1> elements
- https://semanticdiff.com/docs/ — 3 <h1> elements
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ — 3 <h1> elements
- https://semanticdiff.com/docs/adjust-diff/load-context/ — 3 <h1> elements
- https://semanticdiff.com/docs/github/dashboard/ — 3 <h1> elements
- https://semanticdiff.com/docs/github/installation/ — 3 <h1> elements
- https://semanticdiff.com/docs/understand-diff/colors/ — 3 <h1> elements
- https://semanticdiff.com/docs/understand-diff/middle-bar/ — 3 <h1> elements
- https://semanticdiff.com/docs/vscode/installation/ — 3 <h1> elements
- https://semanticdiff.com/docs/what-is-semanticdiff/ — 3 <h1> elements
- https://semanticdiff.com/github/ — 3 <h1> elements
- https://semanticdiff.com/github/faq/ — 3 <h1> elements
- https://semanticdiff.com/impressum/ — 3 <h1> elements
- https://semanticdiff.com/online-diff/ — 3 <h1> elements
- https://semanticdiff.com/online-diff/xml/ — 3 <h1> elements
- https://semanticdiff.com/privacy-policy-website/ — 3 <h1> elements
- https://semanticdiff.com/privacy-policy/ — 3 <h1> elements
- https://semanticdiff.com/refund-policy/ — 3 <h1> elements
- https://semanticdiff.com/terms-of-use/ — 3 <h1> elements
- https://semanticdiff.com/vscode/ — 3 <h1> elements
- https://semanticdiff.com/vscode/faq/ — 3 <h1> elements
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 50 occurrence(s)
- https://semanticdiff.com/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/blog/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/blog/language-aware-diff-highlight/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/categories/semanticdiff/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/contact/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/adjust-diff/load-context/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/github/dashboard/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/github/installation/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/understand-diff/colors/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/understand-diff/middle-bar/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/vscode/installation/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/docs/what-is-semanticdiff/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/github/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/github/faq/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/impressum/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/online-diff/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/online-diff/xml/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/privacy-policy-website/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/privacy-policy/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/refund-policy/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/terms-of-use/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/vscode/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- https://semanticdiff.com/vscode/faq/ — the likely hero/LCP image (semanticdiff_light.svg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
notice Images without width/height (layout shift / CLS)
Rule images.missing_dimensions · Images · 1 occurrence(s)
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ — 4 of 8 images without width/height
notice Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 4 occurrence(s)
- https://semanticdiff.com/docs/ — 3 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://semanticdiff.com/online-diff/ — 4 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://semanticdiff.com/privacy-policy/ — 3 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- https://semanticdiff.com/terms-of-use/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
notice Meta description too long
Rule meta_desc.too_long · Meta Description · 1 occurrence(s)
- https://semanticdiff.com/blog/new-github-app-ui/ — 164 chars
notice Missing Open Graph tags
Rule og.missing · Social · 40 occurrence(s)
- https://semanticdiff.com/categories/semanticdiff/ — og:image
- https://semanticdiff.com/contact/ — og:image
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ — og:image
- https://semanticdiff.com/docs/adjust-diff/load-context/ — og:image
- https://semanticdiff.com/docs/github/ — og:image
- https://semanticdiff.com/docs/github/dashboard/ — og:image
- https://semanticdiff.com/docs/github/installation/ — og:image
- https://semanticdiff.com/docs/github/open-diff/ — og:image
- https://semanticdiff.com/docs/understand-diff/colors/ — og:image
- https://semanticdiff.com/docs/understand-diff/middle-bar/ — og:image
- https://semanticdiff.com/docs/understand-diff/minimap/ — og:image
- https://semanticdiff.com/docs/vscode/ — og:image
- https://semanticdiff.com/docs/vscode/installation/ — og:image
- https://semanticdiff.com/docs/vscode/open-diff/ — og:image
- https://semanticdiff.com/docs/vscode/options/ — og:image
- https://semanticdiff.com/docs/what-is-semanticdiff/ — og:image
- https://semanticdiff.com/github/faq/ — og:image
- https://semanticdiff.com/impressum/ — og:image
- https://semanticdiff.com/online-diff/ — og:image
- https://semanticdiff.com/online-diff/xml/ — og:image
- https://semanticdiff.com/privacy-policy-website/ — og:image
- https://semanticdiff.com/privacy-policy/ — og:image
- https://semanticdiff.com/refund-policy/ — og:image
- https://semanticdiff.com/terms-of-use/ — og:image
- https://semanticdiff.com/vscode/faq/ — og:image
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 31 occurrence(s)
- https://semanticdiff.com/ — 8 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/blog/ — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/blog/language-aware-diff-highlight/ — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/categories/semanticdiff/ — 15 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/adjust-diff/load-context/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/github/dashboard/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/github/installation/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/github/open-diff/ — 6 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/github/options/ — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/github/plans/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/github/report-bugs/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/github/reviewing/ — 6 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/github/sidebar/ — 5 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/understand-diff/colors/ — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/understand-diff/fallback-diff/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/understand-diff/middle-bar/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/understand-diff/minimap/ — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/understand-diff/moved-code/ — 6 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/understand-diff/refactoring-grouping/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/understand-diff/scopes/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/vscode/installation/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/docs/vscode/open-diff/ — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/github/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://semanticdiff.com/vscode/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
notice robots.txt missing (root returns 404/none)
Rule robots.txt_missing · Robots · 1 occurrence(s)
- https://semanticdiff.com/ — robots.txt did not return a 200 at the site root — a healthy site should serve one (declare your sitemap and confirm the host serves root files)
notice No structured data detected
Rule schema.none · Structured Data · 50 occurrence(s)
- https://semanticdiff.com/
- https://semanticdiff.com/blog/
- https://semanticdiff.com/blog/language-aware-diff-highlight/
- https://semanticdiff.com/categories/semanticdiff/
- https://semanticdiff.com/contact/
- https://semanticdiff.com/docs/
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/
- https://semanticdiff.com/docs/adjust-diff/load-context/
- https://semanticdiff.com/docs/github/dashboard/
- https://semanticdiff.com/docs/github/installation/
- https://semanticdiff.com/docs/understand-diff/colors/
- https://semanticdiff.com/docs/understand-diff/middle-bar/
- https://semanticdiff.com/docs/vscode/installation/
- https://semanticdiff.com/docs/what-is-semanticdiff/
- https://semanticdiff.com/github/
- https://semanticdiff.com/github/faq/
- https://semanticdiff.com/impressum/
- https://semanticdiff.com/online-diff/
- https://semanticdiff.com/online-diff/xml/
- https://semanticdiff.com/privacy-policy-website/
- https://semanticdiff.com/privacy-policy/
- https://semanticdiff.com/refund-policy/
- https://semanticdiff.com/terms-of-use/
- https://semanticdiff.com/vscode/
- https://semanticdiff.com/vscode/faq/
notice Missing Twitter Card tag
Rule twitter.missing · Social · 40 occurrence(s)
- https://semanticdiff.com/categories/semanticdiff/
- https://semanticdiff.com/contact/
- https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/
- https://semanticdiff.com/docs/adjust-diff/load-context/
- https://semanticdiff.com/docs/github/
- https://semanticdiff.com/docs/github/dashboard/
- https://semanticdiff.com/docs/github/installation/
- https://semanticdiff.com/docs/github/open-diff/
- https://semanticdiff.com/docs/understand-diff/colors/
- https://semanticdiff.com/docs/understand-diff/middle-bar/
- https://semanticdiff.com/docs/understand-diff/minimap/
- https://semanticdiff.com/docs/vscode/
- https://semanticdiff.com/docs/vscode/installation/
- https://semanticdiff.com/docs/vscode/open-diff/
- https://semanticdiff.com/docs/vscode/options/
- https://semanticdiff.com/docs/what-is-semanticdiff/
- https://semanticdiff.com/github/faq/
- https://semanticdiff.com/impressum/
- https://semanticdiff.com/online-diff/
- https://semanticdiff.com/online-diff/xml/
- https://semanticdiff.com/privacy-policy-website/
- https://semanticdiff.com/privacy-policy/
- https://semanticdiff.com/refund-policy/
- https://semanticdiff.com/terms-of-use/
- https://semanticdiff.com/vscode/faq/
Pages (showing 50 of 50)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://semanticdiff.com/ SemanticDiff - Language Aware Diff For VS Code & GitHub |
200 | yes | 589 | 50 |
| https://semanticdiff.com/blog/ SemanticDiff - Blog |
200 | yes | 846 | 50 |
| https://semanticdiff.com/contact/ SemanticDiff - Contact Us |
200 | yes | 201 | 50 |
| https://semanticdiff.com/docs/ SemanticDiff - Documentation |
200 | yes | 325 | 50 |
| https://semanticdiff.com/github/ SemanticDiff For GitHub |
200 | yes | 810 | 50 |
| https://semanticdiff.com/impressum/ SemanticDiff - Impressum |
200 | yes | 447 | 50 |
| https://semanticdiff.com/online-diff/xml/ SemanticDiff - Compare XML Online |
200 | yes | 621 | 50 |
| https://semanticdiff.com/privacy-policy/ SemanticDiff - Privacy Policy |
200 | yes | 179 | 50 |
| https://semanticdiff.com/refund-policy/ SemanticDiff - Cancellation and Refund Policy |
200 | yes | 493 | 50 |
| https://semanticdiff.com/terms-of-use/ SemanticDiff - Terms Of Use |
200 | yes | 173 | 50 |
| https://semanticdiff.com/vscode/ SemanticDiff For VS Code |
200 | yes | 463 | 50 |
| https://semanticdiff.com/github/faq/ SemanticDiff - FAQ - GitHub App |
200 | yes | 1835 | 49 |
| https://semanticdiff.com/docs/understand-diff/ SemanticDiff - Understanding the Diff |
200 | yes | 523 | 29 |
| https://semanticdiff.com/vscode/faq/ SemanticDiff - FAQ - VS Code Extension |
200 | yes | 839 | 3 |
| https://semanticdiff.com/docs/adjust-diff/ SemanticDiff - Adjusting the Diff |
200 | yes | 222 | 28 |
| https://semanticdiff.com/docs/adjust-diff/hide-comment-changes/ SemanticDiff - Hide Changes in Comments |
200 | yes | 359 | 28 |
| https://semanticdiff.com/docs/adjust-diff/load-context/ SemanticDiff - Load Context |
200 | yes | 406 | 28 |
| https://semanticdiff.com/docs/github/ SemanticDiff - GitHub App |
200 | yes | 266 | 28 |
| https://semanticdiff.com/docs/github/dashboard/ SemanticDiff - Dashboard |
200 | yes | 325 | 28 |
| https://semanticdiff.com/docs/github/installation/ SemanticDiff - Installing the GitHub App |
200 | yes | 543 | 28 |
| https://semanticdiff.com/docs/github/open-diff/ SemanticDiff - View a GitHub pull request/commit |
200 | yes | 520 | 28 |
| https://semanticdiff.com/docs/github/options/ SemanticDiff - Options |
200 | yes | 310 | 28 |
| https://semanticdiff.com/docs/github/plans/ SemanticDiff - Plans |
200 | yes | 558 | 28 |
| https://semanticdiff.com/docs/github/report-bugs/ SemanticDiff - Report Bugs |
200 | yes | 652 | 28 |
| https://semanticdiff.com/docs/github/reviewing/ SemanticDiff - Reviewing Pull Requests |
200 | yes | 644 | 28 |
| https://semanticdiff.com/docs/github/sidebar/ SemanticDiff - Sidebar |
200 | yes | 698 | 28 |
| https://semanticdiff.com/docs/invariances/ SemanticDiff - Invariances |
200 | yes | 750 | 28 |
| https://semanticdiff.com/docs/limitations/ SemanticDiff - Limitations |
200 | yes | 449 | 28 |
| https://semanticdiff.com/docs/understand-diff/colors/ SemanticDiff - Diff Colors |
200 | yes | 439 | 28 |
| https://semanticdiff.com/docs/understand-diff/fallback-diff/ SemanticDiff - Fallback Diff |
200 | yes | 277 | 28 |
| https://semanticdiff.com/docs/understand-diff/middle-bar/ SemanticDiff - Middle Bar |
200 | yes | 307 | 28 |
| https://semanticdiff.com/docs/understand-diff/minimap/ SemanticDiff - Minimap |
200 | yes | 322 | 28 |
| https://semanticdiff.com/docs/understand-diff/moved-code/ SemanticDiff - Moved Code |
200 | yes | 511 | 28 |
| https://semanticdiff.com/docs/understand-diff/refactoring-grouping/ SemanticDiff - Refactoring / Grouping |
200 | yes | 247 | 28 |
| https://semanticdiff.com/docs/understand-diff/scopes/ SemanticDiff - Scopes |
200 | yes | 263 | 28 |
| https://semanticdiff.com/docs/vscode/ SemanticDiff - VS Code Extension |
200 | yes | 259 | 28 |
| https://semanticdiff.com/docs/vscode/installation/ SemanticDiff - Installing the VS Code Extension |
200 | yes | 383 | 28 |
| https://semanticdiff.com/docs/vscode/open-diff/ SemanticDiff - Opening a diff with VS Code |
200 | yes | 322 | 28 |
| https://semanticdiff.com/docs/vscode/options/ SemanticDiff - Options |
200 | yes | 355 | 28 |
| https://semanticdiff.com/docs/what-is-semanticdiff/ SemanticDiff - What is SemanticDiff? |
200 | yes | 566 | 28 |
| https://semanticdiff.com/blog/semanticdiff-0.10.0/ SemanticDiff 0.10.0: Support for Lua, XML & more |
200 | yes | 1218 | 9 |
| https://semanticdiff.com/categories/github/ SemanticDiff - GitHub |
200 | yes | 553 | 9 |
| https://semanticdiff.com/categories/semanticdiff/ SemanticDiff - SemanticDiff |
200 | yes | 716 | 9 |
| https://semanticdiff.com/categories/visual-studio-code/ SemanticDiff - Visual Studio Code |
200 | yes | 591 | 9 |
| https://semanticdiff.com/blog/new-github-app-ui/ Improved User Interface For GitHub App |
200 | yes | 1232 | 8 |
| https://semanticdiff.com/blog/language-aware-diff-highlight/ What should semantic diffs highlight: The change or its effect? |
200 | yes | 1012 | 7 |
| https://semanticdiff.com/privacy-policy-website/ SemanticDiff - Privacy Policy (Website) |
200 | yes | 3065 | 1 |
| https://semanticdiff.com/blog/semanticdiff-0.9.0/ SemanticDiff 0.9.0: Support for HTML, Vue, Swift & more |
200 | yes | 1575 | 4 |
| https://semanticdiff.com/blog/language-aware-diff-how-far/ How far should a programming language aware diff go? |
200 | yes | 1264 | 2 |
| https://semanticdiff.com/online-diff/ SemanticDiff - Free Online Tools |
200 | yes | 184 | 0 |
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