Catalog / dasonlink.com
63

SEO audit for dasonlink.com

Dasonlink 厦门达讯联科通信技术有限公司 光模块专业制造商

other

Health 63/100 (fair) · 19 pages crawled · generated 2026-08-26

Download Markdown report (feed to ChatGPT / Claude / Cursor)

达讯联科,光模块,光纤模块,光电转换模块,光模组,光模块制造商,光纤收发模块, 光纤收发器, 光纤交换机, SFP ,QSFP+, QSFP28, QSFP-DD, SFP28, SFP+, 100G, 400G, 800G

19
pages crawled
18
indexable pages
2
errors
115
warnings
214
notices
5
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Crawlability 95 1 0 0
Sitemap 95 1 0 2
Duplicate 57 0 27 18
Canonical 72 0 18 0
Headings 72 0 18 0
Performance 72 0 18 32
Security 72 0 18 19
Content 89 0 7 31
Links 92 0 5 12
Rendering 95 0 3 0
Agent Readiness 98 0 1 12
Images 100 0 0 16
Mobile 100 0 0 17
Social 100 0 0 36
Structured Data 100 0 0 18
Titles 100 0 0 1
Findings

Errors (2 rules)

error Non-200 URL listed in sitemap

Rule sitemap.not_200 · Sitemap · 1 occurrence(s)

error Client error (4xx) response

Rule status.4xx · Crawlability · 1 occurrence(s)

Warnings (11 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 1 occurrence(s)

warning Missing canonical tag

Rule canonical.missing · Canonical · 18 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 7 occurrence(s)

warning Duplicate page content

Rule duplicate.content · Duplicate · 11 occurrence(s)

warning Homepage duplicated across protocol/host variants (no redirect)

Rule duplicate.protocol_host · Duplicate · 1 occurrence(s)

  • https://dasonlink.com/ — https://www.dasonlink.com/ serves the same homepage content with a 200 and no redirect — Google sees a duplicate. Pick one canonical host/scheme and 301-redirect the others.

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 15 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 18 occurrence(s)

warning Content-Type header doesn't match the actual content

Rule headers.content_type_mismatch · Security · 18 occurrence(s)

  • https://dasonlink.com/ — 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://dasonlink.com/control.html?active=0 — 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://dasonlink.com/control.html?active=1 — 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://dasonlink.com/control.html?active=2 — 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://dasonlink.com/control.html?active=3 — 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://dasonlink.com/control.html?active=4 — 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://dasonlink.com/products.html — 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://www.dasonlink.com/ — 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://www.dasonlink.com/about.html — 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://www.dasonlink.com/control.html — 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://www.dasonlink.com/control.html?active=0 — 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://www.dasonlink.com/control.html?active=1 — 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://www.dasonlink.com/control.html?active=2 — 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://www.dasonlink.com/control.html?active=3 — 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://www.dasonlink.com/control.html?active=4 — 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://www.dasonlink.com/details.html — 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://www.dasonlink.com/news.html — 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://www.dasonlink.com/products.html — 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 Orphan page (no internal inlinks)

Rule links.orphan · Links · 5 occurrence(s)

warning Render-blocking script in <head> (no defer/async)

Rule perf.render_blocking · Performance · 18 occurrence(s)

warning Content only rendered by JavaScript (invisible to non-JS crawlers & AI)

Rule rendering.js_shell · Rendering · 3 occurrence(s)

  • https://dasonlink.com/products.html — Raw HTML has 2 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
  • https://www.dasonlink.com/news.html — Raw HTML has 0 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.
  • https://www.dasonlink.com/products.html — Raw HTML has 2 words and 0 links — this page is built by JavaScript in the browser. Googlebot renders JS but delays it, and most crawlers and AI assistants (ChatGPT, Perplexity, Claude) don't run JavaScript at all, so to them the page looks empty. Server-render or pre-render your main content and navigation.

Notices (17 rules)

notice No llms.txt for AI agents

Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)

  • https://dasonlink.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 · 11 occurrence(s)

notice Low text-to-HTML ratio

Rule content.low_ratio · Content · 2 occurrence(s)

notice Main text is hard to read (low Flesch Reading Ease)

Rule content.readability_poor · Content · 11 occurrence(s)

  • https://dasonlink.com/control.html?active=0 — this page reads as very difficult (Flesch Reading Ease 14, 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://dasonlink.com/control.html?active=1 — this page reads as very difficult (Flesch Reading Ease 14, 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://dasonlink.com/control.html?active=2 — this page reads as very difficult (Flesch Reading Ease 14, 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://dasonlink.com/control.html?active=3 — this page reads as very difficult (Flesch Reading Ease 14, 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://dasonlink.com/control.html?active=4 — this page reads as very difficult (Flesch Reading Ease 14, 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://www.dasonlink.com/control.html — this page reads as very difficult (Flesch Reading Ease 14, 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://www.dasonlink.com/control.html?active=0 — this page reads as very difficult (Flesch Reading Ease 14, 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://www.dasonlink.com/control.html?active=1 — this page reads as very difficult (Flesch Reading Ease 14, 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://www.dasonlink.com/control.html?active=2 — this page reads as very difficult (Flesch Reading Ease 14, 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://www.dasonlink.com/control.html?active=3 — this page reads as very difficult (Flesch Reading Ease 14, 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://www.dasonlink.com/control.html?active=4 — this page reads as very difficult (Flesch Reading Ease 14, 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 · 18 occurrence(s)

notice Missing html lang attribute

Rule i18n.lang_missing · Mobile · 17 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 16 occurrence(s)

  • https://dasonlink.com/ — the likely hero/LCP image (solution.png) 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://dasonlink.com/control.html?active=0 — the likely hero/LCP image (solution.png) 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://dasonlink.com/control.html?active=1 — the likely hero/LCP image (solution.png) 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://dasonlink.com/control.html?active=2 — the likely hero/LCP image (solution.png) 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://dasonlink.com/control.html?active=3 — the likely hero/LCP image (solution.png) 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://dasonlink.com/control.html?active=4 — the likely hero/LCP image (solution.png) 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://www.dasonlink.com/ — the likely hero/LCP image (solution.png) 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://www.dasonlink.com/about.html — the likely hero/LCP image (tell_about.png.png) 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://www.dasonlink.com/control.html — the likely hero/LCP image (solution.png) 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://www.dasonlink.com/control.html?active=0 — the likely hero/LCP image (solution.png) 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://www.dasonlink.com/control.html?active=1 — the likely hero/LCP image (solution.png) 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://www.dasonlink.com/control.html?active=2 — the likely hero/LCP image (solution.png) 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://www.dasonlink.com/control.html?active=3 — the likely hero/LCP image (solution.png) 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://www.dasonlink.com/control.html?active=4 — the likely hero/LCP image (solution.png) 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://www.dasonlink.com/details.html — the likely hero/LCP image (close.png) 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://www.dasonlink.com/news.html — the likely hero/LCP image (news_icon_en.png) 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 · 16 occurrence(s)

notice Page has only one internal inlink (fragile crawl path)

Rule links.single_inlink · Links · 12 occurrence(s)

notice Legacy <meta name=keywords> tag present (Google ignores it)

Rule meta.keywords_present · Content · 18 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 18 occurrence(s)

notice Legacy image format (jpg/png/gif) with no next-gen fallback

Rule perf.images_legacy_format · Performance · 16 occurrence(s)

  • https://dasonlink.com/ — 11 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://dasonlink.com/control.html?active=0 — 81 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://dasonlink.com/control.html?active=1 — 81 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://dasonlink.com/control.html?active=2 — 81 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://dasonlink.com/control.html?active=3 — 81 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://dasonlink.com/control.html?active=4 — 81 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://www.dasonlink.com/ — 11 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://www.dasonlink.com/about.html — 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://www.dasonlink.com/control.html — 81 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://www.dasonlink.com/control.html?active=0 — 81 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://www.dasonlink.com/control.html?active=1 — 81 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://www.dasonlink.com/control.html?active=2 — 81 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://www.dasonlink.com/control.html?active=3 — 81 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://www.dasonlink.com/control.html?active=4 — 81 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://www.dasonlink.com/details.html — 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://www.dasonlink.com/news.html — 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 No structured data detected

Rule schema.none · Structured Data · 18 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 19 occurrence(s)

notice Indexable page not listed in sitemap

Rule sitemap.orphan_not_listed · Sitemap · 2 occurrence(s)

notice Title is very short

Rule title.too_short · Titles · 1 occurrence(s)

notice Missing Twitter Card tag

Rule twitter.missing · Social · 18 occurrence(s)

Pages (showing 19 of 19)
URLStatusIndexableWordsIn-links
https://dasonlink.com/control.html?active=0
Dasonlink-control		 200 yes 234 1
https://dasonlink.com/control.html?active=1
Dasonlink-control		 200 yes 234 1
https://dasonlink.com/control.html?active=2
Dasonlink-control		 200 yes 234 1
https://dasonlink.com/control.html?active=3
Dasonlink-control		 200 yes 234 1
https://dasonlink.com/control.html?active=4
Dasonlink-control		 200 yes 234 1
https://dasonlink.com/products.html
Dasonlink-product		 200 yes 2 1
https://www.dasonlink.com/control.html?active=0
Dasonlink-control		 200 yes 234 1
https://www.dasonlink.com/control.html?active=1
Dasonlink-control		 200 yes 234 1
https://www.dasonlink.com/control.html?active=2
Dasonlink-control		 200 yes 234 1
https://www.dasonlink.com/control.html?active=3
Dasonlink-control		 200 yes 234 1
https://www.dasonlink.com/control.html?active=4
Dasonlink-control		 200 yes 234 1
https://www.dasonlink.com/products.html
Dasonlink-product		 200 yes 2 1
https://dasonlink.com/
Dasonlink 厦门达讯联科通信技术有限公司 光模块专业制造商		 200 yes 30 0
https://www.dasonlink.com/
Dasonlink 厦门达讯联科通信技术有限公司 光模块专业制造商		 200 yes 30 0
https://www.dasonlink.com/about.html
Dasonlink-about us		 200 yes 42 0
https://www.dasonlink.com/control.html
Dasonlink-control		 200 yes 234 0
https://www.dasonlink.com/details.html
Dasonlink-productDetails		 200 yes 18 0
https://www.dasonlink.com/news.html
Dasonlink-news		 200 yes 0 0
https://www.dasonlink.com/contact.html
404 Not Found		 404 no 4 0

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