66
SEO audit for svelte.dev
Svelte • Web development for the rest of us
Health 66/100 (fair) · 50 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)Web development for the rest of us
50
pages crawled
44
indexable pages
1
errors
391
warnings
275
notices
0
orphan pages
0
broken links
Category breakdown
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Titles | 98 | 1 | 0 | 3 |
| Links | 0 | 0 | 315 | 0 |
| Canonical | 74 | 0 | 44 | 0 |
| Duplicate | 93 | 0 | 11 | 5 |
| Headings | 96 | 0 | 6 | 1 |
| Meta Description | 97 | 0 | 5 | 37 |
| Content | 98 | 0 | 4 | 41 |
| Security | 98 | 0 | 4 | 44 |
| AI Content | 99 | 0 | 1 | 0 |
| Crawlability | 99 | 0 | 1 | 7 |
| Agent Readiness | 100 | 0 | 0 | 20 |
| Images | 100 | 0 | 0 | 2 |
| Performance | 100 | 0 | 0 | 27 |
| Social | 100 | 0 | 0 | 44 |
| Structured Data | 100 | 0 | 0 | 44 |
Findings
Errors (1 rules)
error Missing or empty <title>
Rule title.missing · Titles · 1 occurrence(s)
Warnings (10 rules)
warning Unfilled template or prompt-leak text
Rule ai.prompt_leak · AI Content · 1 occurrence(s)
- https://svelte.dev/docs/svelte/transition — The page contains unfilled template or prompt-echo text — e.g. "[[curlies]]". 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 · 44 occurrence(s)
- https://svelte.dev/
- https://svelte.dev/blog
- https://svelte.dev/blog/whats-new-in-svelte-july-2026
- https://svelte.dev/docs
- https://svelte.dev/docs/ai
- https://svelte.dev/docs/cli
- https://svelte.dev/docs/kit
- https://svelte.dev/docs/llms
- https://svelte.dev/docs/svelte
- https://svelte.dev/docs/svelte/$derived
- https://svelte.dev/docs/svelte/$effect
- https://svelte.dev/docs/svelte/$state
- https://svelte.dev/docs/svelte/getting-started
- https://svelte.dev/docs/svelte/overview
- https://svelte.dev/docs/svelte/svelte-files
- https://svelte.dev/docs/svelte/svelte-js-files
- https://svelte.dev/docs/svelte/v5-migration-guide
- https://svelte.dev/docs/svelte/what-are-runes
- https://svelte.dev/packages
- https://svelte.dev/playground
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18
- https://svelte.dev/playground/untitled
- https://svelte.dev/tutorial
- https://svelte.dev/tutorial/kit
- https://svelte.dev/tutorial/svelte/welcome-to-svelte
warning Thin content (low word count)
Rule content.thin · Content · 4 occurrence(s)
- https://svelte.dev/docs — 197 words
- https://svelte.dev/docs/ai — 192 words
- https://svelte.dev/docs/cli — 197 words
- https://svelte.dev/docs/llms — 94 words
warning Duplicate page content
Rule duplicate.content · Duplicate · 7 occurrence(s)
- https://svelte.dev/docs/svelte — content shared by 2 pages: https://svelte.dev/docs/svelte/overview
- https://svelte.dev/docs/svelte/overview — content shared by 2 pages: https://svelte.dev/docs/svelte
- https://svelte.dev/playground — content shared by 3 pages: https://svelte.dev/playground/untitled, https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — content shared by 3 pages: https://svelte.dev/playground, https://svelte.dev/playground/untitled
- https://svelte.dev/playground/untitled — content shared by 3 pages: https://svelte.dev/playground, https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18
- https://svelte.dev/tutorial — content shared by 2 pages: https://svelte.dev/tutorial/svelte/welcome-to-svelte
- https://svelte.dev/tutorial/svelte/welcome-to-svelte — content shared by 2 pages: https://svelte.dev/tutorial
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 4 occurrence(s)
- https://svelte.dev/docs/svelte — title shared by 2 pages: https://svelte.dev/docs/svelte/overview
- https://svelte.dev/docs/svelte/overview — title shared by 2 pages: https://svelte.dev/docs/svelte
- https://svelte.dev/tutorial — title shared by 2 pages: https://svelte.dev/tutorial/svelte/welcome-to-svelte
- https://svelte.dev/tutorial/svelte/welcome-to-svelte — title shared by 2 pages: https://svelte.dev/tutorial
warning Missing <h1>
Rule h1.missing · Headings · 6 occurrence(s)
warning Content-Type header doesn't match the actual content
Rule headers.content_type_mismatch · Security · 4 occurrence(s)
- https://svelte.dev/packages — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- https://svelte.dev/playground — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- https://svelte.dev/playground/untitled — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
warning Internal link points to a redirect
Rule links.redirect_target · Links · 315 occurrence(s)
- https://svelte.dev/ — https://svelte.dev/chat → https://discord.com/invite/svelte (off-site)
- https://svelte.dev/ — https://svelte.dev/docs/ai → https://svelte.dev/docs/ai/overview
- https://svelte.dev/ — https://svelte.dev/docs/cli → https://svelte.dev/docs/cli/overview
- https://svelte.dev/ — https://svelte.dev/docs/kit → https://svelte.dev/docs/kit/introduction
- https://svelte.dev/ — https://svelte.dev/docs/svelte → https://svelte.dev/docs/svelte/overview
- https://svelte.dev/ — https://svelte.dev/playground → https://svelte.dev/playground/hello-world?show=input
- https://svelte.dev/ — https://svelte.dev/tutorial → https://svelte.dev/tutorial/svelte/welcome-to-svelte
- https://svelte.dev/docs — https://svelte.dev/chat → https://discord.com/invite/svelte (off-site)
- https://svelte.dev/docs — https://svelte.dev/docs/ai → https://svelte.dev/docs/ai/overview
- https://svelte.dev/docs — https://svelte.dev/docs/cli → https://svelte.dev/docs/cli/overview
- https://svelte.dev/docs — https://svelte.dev/docs/kit → https://svelte.dev/docs/kit/introduction
- https://svelte.dev/docs — https://svelte.dev/docs/svelte → https://svelte.dev/docs/svelte/overview
- https://svelte.dev/docs — https://svelte.dev/playground → https://svelte.dev/playground/hello-world?show=input
- https://svelte.dev/docs — https://svelte.dev/tutorial → https://svelte.dev/tutorial/svelte/welcome-to-svelte
- https://svelte.dev/docs/svelte — https://svelte.dev/chat → https://discord.com/invite/svelte (off-site)
- https://svelte.dev/docs/svelte — https://svelte.dev/docs/ai → https://svelte.dev/docs/ai/overview
- https://svelte.dev/docs/svelte — https://svelte.dev/docs/cli → https://svelte.dev/docs/cli/overview
- https://svelte.dev/docs/svelte — https://svelte.dev/docs/kit → https://svelte.dev/docs/kit/introduction
- https://svelte.dev/docs/svelte — https://svelte.dev/docs/svelte → https://svelte.dev/docs/svelte/overview
- https://svelte.dev/docs/svelte — https://svelte.dev/playground → https://svelte.dev/playground/hello-world?show=input
- https://svelte.dev/docs/svelte — https://svelte.dev/tutorial → https://svelte.dev/tutorial/svelte/welcome-to-svelte
- https://svelte.dev/tutorial — https://svelte.dev/docs/ai → https://svelte.dev/docs/ai/overview
- https://svelte.dev/tutorial — https://svelte.dev/docs/cli → https://svelte.dev/docs/cli/overview
- https://svelte.dev/tutorial — https://svelte.dev/docs/kit → https://svelte.dev/docs/kit/introduction
- https://svelte.dev/tutorial — https://svelte.dev/docs/svelte → https://svelte.dev/docs/svelte/overview
warning Missing meta description
Rule meta_desc.missing · Meta Description · 5 occurrence(s)
warning Redirect chain (multiple hops)
Rule redirect.chain · Crawlability · 1 occurrence(s)
- https://svelte.dev/chat — 2 hops ending at https://discord.com/invite/svelte
Notices (18 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 20 occurrence(s)
- https://svelte.dev/docs/ai — h3 follows h1 — skips h2
- https://svelte.dev/docs/cli — h3 follows h1 — skips h2
- https://svelte.dev/docs/kit — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/$bindable — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/$host — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/@const — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/@debug — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/@render — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/basic-markup — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/bind — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/declaration-tags — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/getting-started — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/overview — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/snippet — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/svelte-files — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/svelte-js-files — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/use — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/v5-migration-guide — h3 follows h1 — skips h2
- https://svelte.dev/docs/svelte/what-are-runes — h3 follows h1 — skips h2
notice Low text-to-HTML ratio
Rule content.low_ratio · Content · 33 occurrence(s)
- https://svelte.dev/ — 2.5%
- https://svelte.dev/docs — 3.0%
- https://svelte.dev/docs/ai — 2.7%
- https://svelte.dev/docs/cli — 2.5%
- https://svelte.dev/docs/llms — 2.1%
- https://svelte.dev/docs/svelte — 3.3%
- https://svelte.dev/docs/svelte/$bindable — 3.8%
- https://svelte.dev/docs/svelte/$derived — 5.0%
- https://svelte.dev/docs/svelte/$host — 3.0%
- https://svelte.dev/docs/svelte/$inspect — 4.1%
- https://svelte.dev/docs/svelte/$props — 4.6%
- https://svelte.dev/docs/svelte/await — 3.5%
- https://svelte.dev/docs/svelte/each — 3.8%
- https://svelte.dev/docs/svelte/getting-started — 3.9%
- https://svelte.dev/docs/svelte/if — 2.8%
- https://svelte.dev/docs/svelte/key — 2.7%
- https://svelte.dev/docs/svelte/overview — 3.3%
- https://svelte.dev/docs/svelte/snippet — 4.1%
- https://svelte.dev/docs/svelte/svelte-files — 4.4%
- https://svelte.dev/docs/svelte/svelte-js-files — 2.9%
- https://svelte.dev/docs/svelte/what-are-runes — 3.4%
- https://svelte.dev/packages — 4.7%
- https://svelte.dev/playground — 3.4%
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — 3.4%
- https://svelte.dev/playground/untitled — 3.4%
notice Main text is hard to read (low Flesch Reading Ease)
Rule content.readability_poor · Content · 8 occurrence(s)
- https://svelte.dev/ — this page reads as very difficult (Flesch Reading Ease 21, 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://svelte.dev/blog — this page reads as difficult (Flesch Reading Ease 33, 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://svelte.dev/playground — this page reads as very difficult (Flesch Reading Ease -192, 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://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — this page reads as very difficult (Flesch Reading Ease -192, 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://svelte.dev/playground/untitled — this page reads as very difficult (Flesch Reading Ease -192, 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://svelte.dev/tutorial — this page reads as very difficult (Flesch Reading Ease 22, 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://svelte.dev/tutorial/kit — this page reads as difficult (Flesch Reading Ease 35, 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://svelte.dev/tutorial/svelte/welcome-to-svelte — this page reads as very difficult (Flesch Reading Ease 22, 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 · 5 occurrence(s)
- https://svelte.dev/docs/svelte — meta description shared by 2 pages: https://svelte.dev/docs/svelte/overview
- https://svelte.dev/docs/svelte/overview — meta description shared by 2 pages: https://svelte.dev/docs/svelte
- https://svelte.dev/playground — meta description shared by 3 pages: https://svelte.dev/playground/untitled, https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — meta description shared by 3 pages: https://svelte.dev/playground, https://svelte.dev/playground/untitled
- https://svelte.dev/playground/untitled — meta description shared by 3 pages: https://svelte.dev/playground, https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18
notice Multiple <h1> elements
Rule h1.multiple · Headings · 1 occurrence(s)
- https://svelte.dev/ — 2 <h1> elements
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 1 occurrence(s)
- https://svelte.dev/packages — the likely hero/LCP image (svg%3e) 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 · 2 occurrence(s)
- https://svelte.dev/ — 7 of 21 images without width/height
- https://svelte.dev/packages — 11 of 11 images without width/height
notice Meta description too short
Rule meta_desc.too_short · Meta Description · 37 occurrence(s)
- https://svelte.dev/ — 34 chars
- https://svelte.dev/blog — 40 chars
- https://svelte.dev/docs/ai — 34 chars
- https://svelte.dev/docs/cli — 35 chars
- https://svelte.dev/docs/kit — 38 chars
- https://svelte.dev/docs/svelte — 31 chars
- https://svelte.dev/docs/svelte/$bindable — 32 chars
- https://svelte.dev/docs/svelte/$derived — 31 chars
- https://svelte.dev/docs/svelte/$effect — 30 chars
- https://svelte.dev/docs/svelte/$host — 28 chars
- https://svelte.dev/docs/svelte/$inspect — 31 chars
- https://svelte.dev/docs/svelte/$props — 29 chars
- https://svelte.dev/docs/svelte/$state — 29 chars
- https://svelte.dev/docs/svelte/basic-markup — 35 chars
- https://svelte.dev/docs/svelte/each — 34 chars
- https://svelte.dev/docs/svelte/getting-started — 38 chars
- https://svelte.dev/docs/svelte/if — 32 chars
- https://svelte.dev/docs/svelte/overview — 31 chars
- https://svelte.dev/docs/svelte/svelte-files — 36 chars
- https://svelte.dev/docs/svelte/v5-migration-guide — 47 chars
- https://svelte.dev/docs/svelte/what-are-runes — 38 chars
- https://svelte.dev/packages — 43 chars
- https://svelte.dev/playground — 29 chars
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — 29 chars
- https://svelte.dev/playground/untitled — 29 chars
notice Missing Open Graph tags
Rule og.missing · Social · 44 occurrence(s)
- https://svelte.dev/ — og:title, og:description, og:image
- https://svelte.dev/blog — og:title, og:description, og:image
- https://svelte.dev/blog/whats-new-in-svelte-july-2026 — og:title, og:description, og:image
- https://svelte.dev/docs — og:title, og:description, og:image
- https://svelte.dev/docs/ai — og:title, og:description, og:image
- https://svelte.dev/docs/cli — og:title, og:description, og:image
- https://svelte.dev/docs/kit — og:title, og:description, og:image
- https://svelte.dev/docs/llms — og:title, og:description, og:image
- https://svelte.dev/docs/svelte — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/$derived — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/$effect — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/$state — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/getting-started — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/overview — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/svelte-files — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/svelte-js-files — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/v5-migration-guide — og:title, og:description, og:image
- https://svelte.dev/docs/svelte/what-are-runes — og:title, og:description, og:image
- https://svelte.dev/packages — og:title, og:description, og:image
- https://svelte.dev/playground — og:title, og:description, og:image
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — og:title, og:description, og:image
- https://svelte.dev/playground/untitled — og:title, og:description, og:image
- https://svelte.dev/tutorial — og:description
- https://svelte.dev/tutorial/kit — og:description
- https://svelte.dev/tutorial/svelte/welcome-to-svelte — og:description
notice Large DOM (over 1500 elements) slows rendering & interaction
Rule perf.dom_size_large · Performance · 8 occurrence(s)
- https://svelte.dev/docs/svelte/$derived — the page has 1722 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://svelte.dev/docs/svelte/$effect — the page has 3124 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://svelte.dev/docs/svelte/$props — the page has 1816 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://svelte.dev/docs/svelte/$state — the page has 7852 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://svelte.dev/docs/svelte/bind — the page has 2367 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://svelte.dev/docs/svelte/snippet — the page has 2663 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://svelte.dev/docs/svelte/v5-migration-guide — the page has 8119 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
- https://svelte.dev/packages — the page has 2808 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 1 occurrence(s)
- https://svelte.dev/packages — 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.
notice No Last-Modified header (no conditional GET for unchanged pages)
Rule perf.no_last_modified · Performance · 4 occurrence(s)
- https://svelte.dev/packages — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://svelte.dev/playground — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- https://svelte.dev/playground/untitled — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
notice Slow server response
Rule perf.slow_response · Performance · 13 occurrence(s)
- https://svelte.dev/chat — 3124 ms
- https://svelte.dev/docs/svelte/$effect — 3033 ms
- https://svelte.dev/docs/svelte/overview/llms.txt — 7197 ms
- https://svelte.dev/docs/svelte/use — 3219 ms
- https://svelte.dev/docs/svelte/v5-migration-guide — 6631 ms
- https://svelte.dev/llms-full.txt — 3023 ms
- https://svelte.dev/llms-medium.txt — 3244 ms
- https://svelte.dev/llms-small.txt — 3204 ms
- https://svelte.dev/packages — 3145 ms
- https://svelte.dev/playground — 3344 ms
- https://svelte.dev/tutorial — 3117 ms
- https://svelte.dev/tutorial/kit — 3002 ms
- https://svelte.dev/tutorial/svelte/welcome-to-svelte — 6695 ms
notice URL redirects to another URL
Rule redirect.single · Crawlability · 7 occurrence(s)
- https://svelte.dev/docs/ai — redirects to https://svelte.dev/docs/ai/overview
- https://svelte.dev/docs/cli — redirects to https://svelte.dev/docs/cli/overview
- https://svelte.dev/docs/kit — redirects to https://svelte.dev/docs/kit/introduction
- https://svelte.dev/docs/svelte — redirects to https://svelte.dev/docs/svelte/overview
- https://svelte.dev/playground — redirects to https://svelte.dev/playground/hello-world?show=input
- https://svelte.dev/tutorial — redirects to https://svelte.dev/tutorial/svelte/welcome-to-svelte
- https://svelte.dev/tutorial/kit — redirects to https://svelte.dev/tutorial/kit/introducing-sveltekit
notice No structured data detected
Rule schema.none · Structured Data · 44 occurrence(s)
- https://svelte.dev/
- https://svelte.dev/blog
- https://svelte.dev/blog/whats-new-in-svelte-july-2026
- https://svelte.dev/docs
- https://svelte.dev/docs/ai
- https://svelte.dev/docs/cli
- https://svelte.dev/docs/kit
- https://svelte.dev/docs/llms
- https://svelte.dev/docs/svelte
- https://svelte.dev/docs/svelte/$derived
- https://svelte.dev/docs/svelte/$effect
- https://svelte.dev/docs/svelte/$state
- https://svelte.dev/docs/svelte/getting-started
- https://svelte.dev/docs/svelte/overview
- https://svelte.dev/docs/svelte/svelte-files
- https://svelte.dev/docs/svelte/svelte-js-files
- https://svelte.dev/docs/svelte/v5-migration-guide
- https://svelte.dev/docs/svelte/what-are-runes
- https://svelte.dev/packages
- https://svelte.dev/playground
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18
- https://svelte.dev/playground/untitled
- https://svelte.dev/tutorial
- https://svelte.dev/tutorial/kit
- https://svelte.dev/tutorial/svelte/welcome-to-svelte
notice Missing recommended security headers
Rule security.missing_headers · Security · 44 occurrence(s)
- https://svelte.dev/ — CSP, X-Content-Type-Options
- https://svelte.dev/blog — CSP, X-Content-Type-Options
- https://svelte.dev/blog/whats-new-in-svelte-july-2026 — X-Content-Type-Options, CSP
- https://svelte.dev/docs — CSP, X-Content-Type-Options
- https://svelte.dev/docs/ai — CSP, X-Content-Type-Options
- https://svelte.dev/docs/cli — CSP, X-Content-Type-Options
- https://svelte.dev/docs/kit — CSP, X-Content-Type-Options
- https://svelte.dev/docs/llms — CSP, X-Content-Type-Options
- https://svelte.dev/docs/svelte — CSP, X-Content-Type-Options
- https://svelte.dev/docs/svelte/$derived — CSP, X-Content-Type-Options
- https://svelte.dev/docs/svelte/$effect — X-Content-Type-Options, CSP
- https://svelte.dev/docs/svelte/$state — CSP, X-Content-Type-Options
- https://svelte.dev/docs/svelte/getting-started — X-Content-Type-Options, CSP
- https://svelte.dev/docs/svelte/overview — CSP, X-Content-Type-Options
- https://svelte.dev/docs/svelte/svelte-files — CSP, X-Content-Type-Options
- https://svelte.dev/docs/svelte/svelte-js-files — CSP, X-Content-Type-Options
- https://svelte.dev/docs/svelte/v5-migration-guide — CSP, X-Content-Type-Options
- https://svelte.dev/docs/svelte/what-are-runes — CSP, X-Content-Type-Options
- https://svelte.dev/packages — CSP, X-Content-Type-Options
- https://svelte.dev/playground — CSP, X-Content-Type-Options
- https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 — CSP, X-Content-Type-Options
- https://svelte.dev/playground/untitled — X-Content-Type-Options, CSP
- https://svelte.dev/tutorial — CSP, X-Content-Type-Options
- https://svelte.dev/tutorial/kit — CSP, X-Content-Type-Options
- https://svelte.dev/tutorial/svelte/welcome-to-svelte — CSP, X-Content-Type-Options
notice Title tag is identical to the H1 (missed keyword variation)
Rule title.same_as_h1 · Titles · 1 occurrence(s)
- https://svelte.dev/blog/whats-new-in-svelte-july-2026 — the <title> and the H1 are identical — differentiate them to cover more query variation
notice Title is very short
Rule title.too_short · Titles · 2 occurrence(s)
- https://svelte.dev/blog — 13 chars
- https://svelte.dev/docs — 13 chars
Pages (showing 50 of 50)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://svelte.dev/ Svelte • Web development for the rest of us |
200 | yes | 299 | 44 |
| https://svelte.dev/blog Blog • Svelte |
200 | yes | 2195 | 44 |
| https://svelte.dev/chat Svelte |
200 | yes | 0 | 44 |
| https://svelte.dev/docs Docs • Svelte |
200 | yes | 197 | 44 |
| https://svelte.dev/docs/ai Overview • Svelte AI Docs |
200 | yes | 192 | 45 |
| https://svelte.dev/docs/cli Overview • Svelte CLI Docs |
200 | yes | 197 | 45 |
| https://svelte.dev/docs/kit Introduction • SvelteKit Docs |
200 | yes | 535 | 45 |
| https://svelte.dev/docs/svelte Overview • Svelte Docs |
200 | yes | 370 | 44 |
| https://svelte.dev/packages Packages • Svelte |
200 | yes | 1804 | 44 |
| https://svelte.dev/playground Hello world • Playground • Svelte |
200 | yes | 219 | 44 |
| https://svelte.dev/tutorial Introduction / Welcome to Svelte • Svelte Tutorial |
200 | yes | 650 | 44 |
| https://svelte.dev/docs/svelte/getting-started Getting started • Svelte Docs |
200 | yes | 423 | 30 |
| https://svelte.dev/docs/svelte/v5-migration-guide Svelte 5 migration guide • Svelte Docs |
200 | yes | 12244 | 30 |
| https://svelte.dev/docs/svelte/$bindable $bindable • Svelte Docs |
200 | yes | 669 | 29 |
| https://svelte.dev/docs/svelte/$derived $derived • Svelte Docs |
200 | yes | 1653 | 29 |
| https://svelte.dev/docs/svelte/$effect $effect • Svelte Docs |
200 | yes | 3580 | 29 |
| https://svelte.dev/docs/svelte/$host $host • Svelte Docs |
200 | yes | 411 | 29 |
| https://svelte.dev/docs/svelte/$inspect $inspect • Svelte Docs |
200 | yes | 642 | 29 |
| https://svelte.dev/docs/svelte/$props $props • Svelte Docs |
200 | yes | 1732 | 29 |
| https://svelte.dev/docs/svelte/$state $state • Svelte Docs |
200 | yes | 9094 | 29 |
| https://svelte.dev/docs/svelte/@attach {@attach ...} • Svelte Docs |
200 | yes | 1323 | 29 |
| https://svelte.dev/docs/svelte/@const {@const ...} • Svelte Docs |
200 | yes | 267 | 29 |
| https://svelte.dev/docs/svelte/@debug {@debug ...} • Svelte Docs |
200 | yes | 314 | 29 |
| https://svelte.dev/docs/svelte/@html {@html ...} • Svelte Docs |
200 | yes | 383 | 29 |
| https://svelte.dev/docs/svelte/@render {@render ...} • Svelte Docs |
200 | yes | 333 | 29 |
| https://svelte.dev/docs/svelte/await {#await ...} • Svelte Docs |
200 | yes | 484 | 29 |
| https://svelte.dev/docs/svelte/basic-markup Basic markup • Svelte Docs |
200 | yes | 1287 | 29 |
| https://svelte.dev/docs/svelte/bind bind: • Svelte Docs |
200 | yes | 2676 | 29 |
| https://svelte.dev/docs/svelte/declaration-tags {let/const ...} • Svelte Docs |
200 | yes | 687 | 29 |
| https://svelte.dev/docs/svelte/each {#each ...} • Svelte Docs |
200 | yes | 795 | 29 |
| https://svelte.dev/docs/svelte/if {#if ...} • Svelte Docs |
200 | yes | 312 | 29 |
| https://svelte.dev/docs/svelte/key {#key ...} • Svelte Docs |
200 | yes | 265 | 29 |
| https://svelte.dev/docs/svelte/overview Overview • Svelte Docs |
200 | yes | 370 | 29 |
| https://svelte.dev/docs/svelte/snippet {#snippet ...} • Svelte Docs |
200 | yes | 2368 | 29 |
| https://svelte.dev/docs/svelte/svelte-files .svelte files • Svelte Docs |
200 | yes | 601 | 29 |
| https://svelte.dev/docs/svelte/svelte-js-files .svelte.js and .svelte.ts files • Svelte Docs |
200 | yes | 255 | 29 |
| https://svelte.dev/docs/svelte/transition transition: • Svelte Docs |
200 | yes | 1430 | 29 |
| https://svelte.dev/docs/svelte/use use: • Svelte Docs |
200 | yes | 693 | 29 |
| https://svelte.dev/docs/svelte/what-are-runes What are runes? • Svelte Docs |
200 | yes | 372 | 29 |
| https://svelte.dev/tutorial/kit Introduction / What is SvelteKit? • Svelte Tutorial |
200 | yes | 704 | 4 |
| https://svelte.dev/playground/untitled Untitled • Playground • Svelte |
200 | yes | 219 | 14 |
| https://svelte.dev/tutorial/svelte/welcome-to-svelte Introduction / Welcome to Svelte • Svelte Tutorial |
200 | yes | 650 | 3 |
| https://svelte.dev/blog/whats-new-in-svelte-july-2026 What’s new in Svelte: July 2026 |
200 | yes | 1252 | 1 |
| https://svelte.dev/docs/llms | 200 | yes | 94 | 1 |
| https://svelte.dev/playground/7f1fa24f0ab44c1089dcbb03568f8dfa?version=4.2.18 Components are static without <svelte:component> • Playground • Svelte |
200 | yes | 219 | 1 |
| https://svelte.dev/docs/svelte/overview/llms.txt | 200 | no | 0 | 2 |
| https://svelte.dev/llms-full.txt | 200 | no | 0 | 1 |
| https://svelte.dev/llms-medium.txt | 200 | no | 0 | 1 |
| https://svelte.dev/llms-small.txt | 200 | no | 0 | 1 |
| https://svelte.dev/llms.txt | 200 | no | 0 | 1 |
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