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66

SEO audit for darkmattersastro.com

Dark Matters Astrophotography – High Quality Data and the Best Prices on Earth

otherWordPress

Health 66/100 (fair) · 50 pages crawled · generated 2026-08-26

Download Markdown report (feed to ChatGPT / Claude / Cursor)
50
pages crawled
44
indexable pages
0
errors
240
warnings
488
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Performance 71 0 49 104
Agent Readiness 71 0 48 57
Meta Description 74 0 44 0
Headings 85 0 25 4
Content 89 0 18 70
Images 90 0 17 20
Duplicate 93 0 11 0
Titles 96 0 6 0
Indexability 97 0 5 1
Budget 98 0 4 0
Canonical 98 0 4 0
Sitemap 98 0 3 0
Links 99 0 2 48
Structured Data 99 0 2 40
Crawlability 99 0 1 2
Robots 99 0 1 0
Cache 100 0 0 6
Security 100 0 0 48
Social 100 0 0 88
Findings

Warnings (19 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 48 occurrence(s)

warning Noindex page receives internal links (crawl-budget waste)

Rule budget.noindex_linked · Budget · 4 occurrence(s)

  • https://darkmattersastro.com/cart/ — this noindex page has 48 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://darkmattersastro.com/, https://darkmattersastro.com/privacy-policy-2/, https://darkmattersastro.com/cart/.
  • https://darkmattersastro.com/my-account/ — this noindex page has 48 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://darkmattersastro.com/, https://darkmattersastro.com/privacy-policy-2/, https://darkmattersastro.com/cart/.
  • https://darkmattersastro.com/my-account/lost-password/ — this noindex page has 48 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://darkmattersastro.com/, https://darkmattersastro.com/privacy-policy-2/, https://darkmattersastro.com/cart/.
  • https://darkmattersastro.com/wp-login.php?redirect_to=https%3A%2F%2Fdarkmattersastro.com%2F — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://darkmattersastro.com/, https://darkmattersastro.com/shop/.

warning Missing canonical tag

Rule canonical.missing · Canonical · 3 occurrence(s)

warning Canonical target is noindex

Rule canonical.to_noindex · Canonical · 1 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 18 occurrence(s)

warning Duplicate page content

Rule duplicate.content · Duplicate · 4 occurrence(s)

warning Near-duplicate page content

Rule duplicate.near · Duplicate · 3 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 4 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 25 occurrence(s)

warning Images missing alt text

Rule images.missing_alt · Images · 17 occurrence(s)

warning Page is noindex

Rule index.noindex · Indexability · 5 occurrence(s)

warning Internal link points to a redirect

Rule links.redirect_target · Links · 2 occurrence(s)

warning Missing meta description

Rule meta_desc.missing · Meta Description · 44 occurrence(s)

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

Rule perf.render_blocking · Performance · 49 occurrence(s)

warning Redirect chain (multiple hops)

Rule redirect.chain · Crawlability · 1 occurrence(s)

warning robots.txt blocks CSS/JS the pages need to render

Rule robots.blocks_css_js · Robots · 1 occurrence(s)

  • https://darkmattersastro.com/ — robots.txt Disallow blocks render-critical CSS/JS under: /wp-admin/css/, /wp-admin/js/ — Google's renderer can't fetch these, so the affected pages may render blank or thin. Allow the asset path(s) for Googlebot.

warning BreadcrumbList present but structurally incomplete

Rule schema.breadcrumb_incomplete · Structured Data · 2 occurrence(s)

  • https://darkmattersastro.com/product-category/cameras/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
  • https://darkmattersastro.com/product-tag/cdk14-april-2024/ — a BreadcrumbList is present but structurally incomplete — missing required name. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.

warning Non-indexable URL listed in sitemap

Rule sitemap.non_indexable · Sitemap · 3 occurrence(s)

warning Title likely truncated in SERP (too wide)

Rule title.too_long · Titles · 6 occurrence(s)

Notices (21 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 8 occurrence(s)

notice No main landmark for AI agents

Rule agent.no_main_landmark · Agent Readiness · 49 occurrence(s)

notice Page served uncached (no-store/private or CDN bypass)

Rule cache.not_cacheable · Cache · 6 occurrence(s)

notice Low text-to-HTML ratio

Rule content.low_ratio · Content · 44 occurrence(s)

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

Rule content.readability_poor · Content · 26 occurrence(s)

  • https://darkmattersastro.com/all-categories/ — this page reads as difficult (Flesch Reading Ease 36, 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://darkmattersastro.com/brand/fli/ — this page reads as difficult (Flesch Reading Ease 48, 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://darkmattersastro.com/cameras/ — this page reads as difficult (Flesch Reading Ease 44, 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://darkmattersastro.com/contact/ — this page reads as very difficult (Flesch Reading Ease -9, 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://darkmattersastro.com/cookie-policy/ — this page reads as difficult (Flesch Reading Ease 38, 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://darkmattersastro.com/databox/ — this page reads as difficult (Flesch Reading Ease 44, 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://darkmattersastro.com/filter-wheels/ — this page reads as difficult (Flesch Reading Ease 40, 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://darkmattersastro.com/filters/ — 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://darkmattersastro.com/focusers/ — 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://darkmattersastro.com/freedata/ — this page reads as difficult (Flesch Reading Ease 43, 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://darkmattersastro.com/gdpr-compliance/ — this page reads as very difficult (Flesch Reading Ease 16, 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://darkmattersastro.com/guiding/ — this page reads as very difficult (Flesch Reading Ease 26, 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://darkmattersastro.com/home-3/ — this page reads as very difficult (Flesch Reading Ease 10, 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://darkmattersastro.com/homev2/ — this page reads as difficult (Flesch Reading Ease 36, 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://darkmattersastro.com/imaging/ — this page reads as difficult (Flesch Reading Ease 42, 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://darkmattersastro.com/ir-form/ — this page reads as very difficult (Flesch Reading Ease 19, 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://darkmattersastro.com/login/ — this page reads as very difficult (Flesch Reading Ease 9, 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://darkmattersastro.com/lyra/ — 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://darkmattersastro.com/partners/ — this page reads as very difficult (Flesch Reading Ease 24, 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://darkmattersastro.com/refund-policy/ — this page reads as very difficult (Flesch Reading Ease 27, 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://darkmattersastro.com/sharing-policy/ — 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://darkmattersastro.com/status/ — this page reads as very difficult (Flesch Reading Ease -95, 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://darkmattersastro.com/subscription-agreement/ — this page reads as very difficult (Flesch Reading Ease 25, 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://darkmattersastro.com/subscriptions/ — this page reads as difficult (Flesch Reading Ease 43, 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://darkmattersastro.com/svx-fli/ — this page reads as very difficult (Flesch Reading Ease 28, 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 noarchive directive (blocks cached copy)

Rule directives.noarchive · Indexability · 1 occurrence(s)

notice Multiple <h1> elements

Rule h1.multiple · Headings · 4 occurrence(s)

notice Image alt text is very long (possible keyword stuffing)

Rule images.alt_too_long · Images · 1 occurrence(s)

notice Image filename is generic/auto-generated (missed image-search signal)

Rule images.generic_filename · Images · 1 occurrence(s)

  • https://darkmattersastro.com/guiding/ — 4 image(s) use a generic/auto-generated filename (e.g. IMG_1234.jpg, photo1.png, a bare UUID). Google reads the filename as a signal of image content, so rename files descriptively (hyphen-separated words) before upload.

notice Images without width/height (layout shift / CLS)

Rule images.missing_dimensions · Images · 18 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 48 occurrence(s)

  • https://darkmattersastro.com/ — 14 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://darkmattersastro.com/all-categories/ — 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.
  • https://darkmattersastro.com/blog/ — 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.
  • https://darkmattersastro.com/cart/ — 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.
  • https://darkmattersastro.com/checkout/ — 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.
  • https://darkmattersastro.com/cookie-policy/ — 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.
  • https://darkmattersastro.com/faq/ — 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.
  • https://darkmattersastro.com/freedata/ — 10 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://darkmattersastro.com/gdpr-compliance/ — 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.
  • https://darkmattersastro.com/home-3/ — 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.
  • https://darkmattersastro.com/homev2/ — 10 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://darkmattersastro.com/ir-form/ — 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.
  • https://darkmattersastro.com/login/ — 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.
  • https://darkmattersastro.com/lyra/ — 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.
  • https://darkmattersastro.com/merch/ — 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.
  • https://darkmattersastro.com/metal-prints/ — 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.
  • https://darkmattersastro.com/my-account/ — 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.
  • https://darkmattersastro.com/privacy-policy-2/ — 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.
  • https://darkmattersastro.com/refund-policy/ — 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.
  • https://darkmattersastro.com/sharing-policy/ — 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.
  • https://darkmattersastro.com/shop/ — 14 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://darkmattersastro.com/subscriber-form/ — 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.
  • https://darkmattersastro.com/subscription-agreement/ — 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.
  • https://darkmattersastro.com/supportform/ — 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.
  • https://darkmattersastro.com/terms/ — 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 Missing Open Graph tags

Rule og.missing · Social · 44 occurrence(s)

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

Rule perf.images_legacy_format · Performance · 48 occurrence(s)

  • https://darkmattersastro.com/ — 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://darkmattersastro.com/all-categories/ — 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://darkmattersastro.com/blog/ — 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://darkmattersastro.com/cart/ — 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://darkmattersastro.com/checkout/ — 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://darkmattersastro.com/cookie-policy/ — 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://darkmattersastro.com/faq/ — 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://darkmattersastro.com/freedata/ — 7 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://darkmattersastro.com/gdpr-compliance/ — 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://darkmattersastro.com/home-3/ — 13 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://darkmattersastro.com/homev2/ — 16 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://darkmattersastro.com/ir-form/ — 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://darkmattersastro.com/login/ — 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://darkmattersastro.com/lyra/ — 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://darkmattersastro.com/merch/ — 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://darkmattersastro.com/metal-prints/ — 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://darkmattersastro.com/my-account/ — 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://darkmattersastro.com/privacy-policy-2/ — 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://darkmattersastro.com/refund-policy/ — 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://darkmattersastro.com/sharing-policy/ — 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://darkmattersastro.com/shop/ — 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://darkmattersastro.com/subscriber-form/ — 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://darkmattersastro.com/subscription-agreement/ — 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://darkmattersastro.com/supportform/ — 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://darkmattersastro.com/terms/ — 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.

notice Large HTML document

Rule perf.large_html · Performance · 1 occurrence(s)

notice No ETag header (no conditional GET for unchanged pages)

Rule perf.no_etag · Performance · 49 occurrence(s)

  • https://darkmattersastro.com/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/all-categories/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/blog/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/cart/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/checkout/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/cookie-policy/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/faq/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/freedata/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/gdpr-compliance/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/home-3/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/homev2/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/ir-form/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/login/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/lyra/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/merch/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/metal-prints/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/my-account/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/privacy-policy-2/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/refund-policy/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/sharing-policy/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/shop/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/subscriber-form/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/subscription-agreement/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/supportform/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://darkmattersastro.com/terms/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.

notice No Last-Modified header (no conditional GET for unchanged pages)

Rule perf.no_last_modified · Performance · 5 occurrence(s)

  • https://darkmattersastro.com/?add-to-cart=18790 — 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://darkmattersastro.com/cart/ — 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://darkmattersastro.com/checkout/ — 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://darkmattersastro.com/my-account/ — 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://darkmattersastro.com/wp-login.php?redirect_to=https%3A%2F%2Fdarkmattersastro.com%2F — 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 · 1 occurrence(s)

notice URL redirects to another URL

Rule redirect.single · Crawlability · 2 occurrence(s)

notice No structured data detected

Rule schema.none · Structured Data · 40 occurrence(s)

notice target=_blank link without rel=noopener (tab-napping)

Rule security.unsafe_cross_origin_links · Security · 48 occurrence(s)

  • https://darkmattersastro.com/ — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/all-categories/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/blog/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/cart/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/checkout/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/cookie-policy/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/faq/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/freedata/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/gdpr-compliance/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/home-3/ — 4 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/homev2/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/ir-form/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/login/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/lyra/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/merch/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/metal-prints/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/my-account/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/privacy-policy-2/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/refund-policy/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/sharing-policy/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/shop/ — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/subscriber-form/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/subscription-agreement/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/supportform/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://darkmattersastro.com/terms/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".

notice Missing Twitter Card tag

Rule twitter.missing · Social · 44 occurrence(s)

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://darkmattersastro.com/
Dark Matters Astrophotography – High Quality Data and the Best Prices on Earth		 200 yes 463 49
https://darkmattersastro.com/privacy-policy-2/
Privacy Policy – Dark Matters Astrophotography		 200 yes 711 49
https://darkmattersastro.com/cart/
Cart – Dark Matters Astrophotography		 200 no 124 48
https://darkmattersastro.com/contact/
Contact Us – Dark Matters Astrophotography		 200 yes 128 48
https://darkmattersastro.com/cookie-policy/
Cookie Policy – Dark Matters Astrophotography		 200 yes 379 48
https://darkmattersastro.com/data/
Dark Matters Master Data – Dark Matters Astrophotography		 200 yes 656 48
https://darkmattersastro.com/databox/
Chile Box Reveals – Dark Matters Astrophotography		 200 yes 246 48
https://darkmattersastro.com/gdpr-compliance/
GDPR Compliance – Dark Matters Astrophotography		 200 yes 379 48
https://darkmattersastro.com/gear/
Dark Matters Imaging Gear Shop – Dark Matters Astrophotography		 200 yes 354 48
https://darkmattersastro.com/my-account/
My account – Dark Matters Astrophotography		 200 no 150 48
https://darkmattersastro.com/my-account/lost-password/
Lost password – Dark Matters Astrophotography		 200 no 106 48
https://darkmattersastro.com/refund-policy/
Refund Policy – Dark Matters Astrophotography		 200 yes 234 48
https://darkmattersastro.com/sharing-policy/
Sharing Policy – Dark Matters Astrophotography		 200 yes 470 48
https://darkmattersastro.com/status/
Dark Matters System Status – Dark Matters Astrophotography		 200 yes 160 48
https://darkmattersastro.com/subscriptions/
Dark Matters Data Subscriptions – Dark Matters Astrophotography		 200 yes 740 48
https://darkmattersastro.com/terms/
Terms and Conditions – Dark Matters Astrophotography		 200 yes 699 48
https://darkmattersastro.com/vault/
Dark Matters Vault – Dark Matters Astrophotography		 200 yes 490 48
https://darkmattersastro.com/?add-to-cart=18790
Dark Matters Astrophotography – High Quality Data and the Best Prices on Earth		 200 yes 474 3
https://darkmattersastro.com/wp-login.php?redirect_to=https%3A%2F%2Fdarkmattersastro.com%2F
Log In ‹ Dark Matters Astrophotography — WordPress		 200 no 57 2
https://darkmattersastro.com/imaging/
Dark Matters Imaging Requests – Dark Matters Astrophotography		 200 yes 521 3
https://darkmattersastro.com/shop/
Dark Matters Astrophotography – High Quality Data and the Best Prices on Earth		 200 yes 463 2
https://darkmattersastro.com/support/
Dark Matters Support Services – Dark Matters Astrophotography		 200 yes 1594 2
https://darkmattersastro.com/subscription-agreement/
Subscription Agreement – Dark Matters Astrophotography		 200 yes 637 1
https://darkmattersastro.com/lyra/
Dark Matters Lyra System – Dark Matters Astrophotography		 200 yes 547 1
https://darkmattersastro.com/merch/
Dark Matters Merch – Dark Matters Astrophotography		 200 yes 93 1
https://darkmattersastro.com/metal-prints/
Dark Matters ChromaLuxe Metal Prints – Dark Matters Astrophotography		 200 yes 93 1
https://darkmattersastro.com/product-category/cameras/
Imaging Cameras – Dark Matters Astrophotography		 200 yes 207 1
https://darkmattersastro.com/all-categories/
All Categories – Dark Matters Astrophotography		 200 yes 165 0
https://darkmattersastro.com/blog/
Blog – Dark Matters Astrophotography		 200 yes 95 0
https://darkmattersastro.com/brand/fli/
FLI – Dark Matters Astrophotography		 200 yes 177 0
https://darkmattersastro.com/cameras/
Dark Matters Imaging Camera Shop – Dark Matters Astrophotography		 200 yes 181 0
https://darkmattersastro.com/checkout/
Cart – Dark Matters Astrophotography		 200 no 124 0
https://darkmattersastro.com/faq/
Frequently Asked Questions – Dark Matters Astrophotography		 200 yes 712 0
https://darkmattersastro.com/filter-wheels/
Filter Wheels – Dark Matters Astrophotography		 200 yes 135 0
https://darkmattersastro.com/filters/
Dark Matters Imaging Filters Shop – Dark Matters Astrophotography		 200 yes 135 0
https://darkmattersastro.com/focusers/
Imaging Focuser Shop – Dark Matters Astrophotography		 200 yes 130 0
https://darkmattersastro.com/freedata/
Dark Matters Data Subscriptions – Dark Matters Astrophotography		 200 yes 740 0
https://darkmattersastro.com/guiding/
Guiding Equipment – Dark Matters Astrophotography		 200 yes 127 0
https://darkmattersastro.com/home-3/
Home – Dark Matters Astrophotography		 200 yes 307 0
https://darkmattersastro.com/homev2/
Premium Astrophotography Data at Affordable Prices – Dark Matters Astrophotography		 200 yes 579 0
https://darkmattersastro.com/ir-form/
Dark Matters Imaging Request Form – Dark Matters Astrophotography		 200 yes 178 0
https://darkmattersastro.com/login/
Log In – Dark Matters Astrophotography		 200 yes 150 0
https://darkmattersastro.com/partners/
Dark Matters Partners – Dark Matters Astrophotography		 200 yes 424 0
https://darkmattersastro.com/product-tag/cdk14-april-2024/
CDK14 April 2024 – Dark Matters Astrophotography		 200 yes 162 0
https://darkmattersastro.com/product/m42-nebula/
M42 – LRGB – Dark Matters Astrophotography		 200 yes 286 0
https://darkmattersastro.com/rotators/
Imaging Rotators – Dark Matters Astrophotography		 200 yes 90 0
https://darkmattersastro.com/subscriber-form/
Telescope Subscriber Imaging Suggestion Form – Dark Matters Astrophotography		 200 yes 77 0
https://darkmattersastro.com/supportform/
Dark Matters Astro Support Form – Dark Matters Astrophotography		 200 yes 94 0
https://darkmattersastro.com/svx-fli/
Dark Matters SVX180T-2 Data Subscription – Dark Matters Astrophotography		 200 yes 775 0
https://darkmattersastro.com/wp-content/uploads/2026/05/brian-ngc2146.png 200 no 0 3

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