Catalog / fortresscrypt.com
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SEO audit for fortresscrypt.com

Fortress Crypt – Six-layer cascade encryption, engineered in the open. Open-source, AGPL-licensed, built for scrutiny.

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Health 65/100 (fair) · 9 pages crawled · generated 2026-08-26

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Fortress Crypt is an open-source, 6-layer cascade encryption system with post-quantum key derivation, running as an interoperable file format across Python, iOS, and Android. AGPL-licensed and openly…

Screenshot of fortresscrypt.com
9
pages crawled
9
indexable pages
0
errors
18
warnings
82
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Links 70 0 9 3
Duplicate 87 0 4 2
Content 93 0 2 11
Titles 93 0 2 0
Agent Readiness 97 0 1 3
Crawlability 100 0 0 1
Meta Description 100 0 0 8
Performance 100 0 0 36
Security 100 0 0 9
Structured Data 100 0 0 9
Findings

Warnings (6 rules)

warning Control has no accessible name

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

warning Thin content (low word count)

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

warning Duplicate page content

Rule duplicate.content · Duplicate · 2 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 2 occurrence(s)

warning Internal link points to a redirect

Rule links.redirect_target · Links · 9 occurrence(s)

warning Title likely truncated in SERP (too wide)

Rule title.too_long · Titles · 2 occurrence(s)

Notices (15 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 2 occurrence(s)

notice No llms.txt for AI agents

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

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

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

  • https://fortresscrypt.com/ — 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://fortresscrypt.com/2026/07/14/introducing-fortress-crypt/ — this page reads as difficult (Flesch Reading Ease 49, 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://fortresscrypt.com/about/ — 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://fortresscrypt.com/get-involved/ — this page reads as difficult (Flesch Reading Ease 47, 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://fortresscrypt.com/home/ — 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://fortresscrypt.com/how-it-works/ — this page reads as difficult (Flesch Reading Ease 34, 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://fortresscrypt.com/security/ — 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.

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 2 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 9 occurrence(s)

  • https://fortresscrypt.com/ — the likely hero/LCP image (fortress-header-logo.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://fortresscrypt.com/2026/07/14/introducing-fortress-crypt/ — the likely hero/LCP image (fortress-header-logo.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://fortresscrypt.com/about/ — the likely hero/LCP image (fortress-header-logo.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://fortresscrypt.com/fortress-favicon-512/ — the likely hero/LCP image (fortress-header-logo.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://fortresscrypt.com/fortress-header-logo/ — the likely hero/LCP image (fortress-header-logo.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://fortresscrypt.com/get-involved/ — the likely hero/LCP image (fortress-header-logo.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://fortresscrypt.com/home/ — the likely hero/LCP image (fortress-header-logo.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://fortresscrypt.com/how-it-works/ — the likely hero/LCP image (fortress-header-logo.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://fortresscrypt.com/security/ — the likely hero/LCP image (fortress-header-logo.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 Page has only one internal inlink (fragile crawl path)

Rule links.single_inlink · Links · 3 occurrence(s)

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 7 occurrence(s)

notice Meta description too short

Rule meta_desc.too_short · Meta Description · 1 occurrence(s)

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

Rule perf.images_legacy_format · Performance · 9 occurrence(s)

  • https://fortresscrypt.com/ — 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://fortresscrypt.com/2026/07/14/introducing-fortress-crypt/ — 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://fortresscrypt.com/about/ — 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://fortresscrypt.com/fortress-favicon-512/ — 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://fortresscrypt.com/fortress-header-logo/ — 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://fortresscrypt.com/get-involved/ — 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://fortresscrypt.com/home/ — 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://fortresscrypt.com/how-it-works/ — 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://fortresscrypt.com/security/ — 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 No ETag header (no conditional GET for unchanged pages)

Rule perf.no_etag · Performance · 9 occurrence(s)

  • https://fortresscrypt.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://fortresscrypt.com/2026/07/14/introducing-fortress-crypt/ — 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://fortresscrypt.com/about/ — 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://fortresscrypt.com/fortress-favicon-512/ — 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://fortresscrypt.com/fortress-header-logo/ — 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://fortresscrypt.com/get-involved/ — 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://fortresscrypt.com/home/ — 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://fortresscrypt.com/how-it-works/ — 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://fortresscrypt.com/security/ — 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 · 9 occurrence(s)

  • https://fortresscrypt.com/ — 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://fortresscrypt.com/2026/07/14/introducing-fortress-crypt/ — 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://fortresscrypt.com/about/ — 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://fortresscrypt.com/fortress-favicon-512/ — 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://fortresscrypt.com/fortress-header-logo/ — 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://fortresscrypt.com/get-involved/ — 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://fortresscrypt.com/home/ — 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://fortresscrypt.com/how-it-works/ — 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://fortresscrypt.com/security/ — 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 URL redirects to another URL

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

notice Missing recommended security headers

Rule security.missing_headers · Security · 9 occurrence(s)

Pages (showing 9 of 9)
URLStatusIndexableWordsIn-links
https://fortresscrypt.com/
Fortress Crypt – Six-layer cascade encryption, engineered in the open. Open-source, AGPL-licensed, built for scrutiny.
200 yes 723 9
https://fortresscrypt.com/about/
About Fortress Crypt – Fortress Crypt
200 yes 327 9
https://fortresscrypt.com/get-involved/
Get Involved – Fortress Crypt
200 yes 662 9
https://fortresscrypt.com/home/
Fortress Crypt – Six-layer cascade encryption, engineered in the open. Open-source, AGPL-licensed, built for scrutiny.
200 yes 723 9
https://fortresscrypt.com/how-it-works/
How Fortress Crypt Works: Cascade & Key Derivation
200 yes 580 9
https://fortresscrypt.com/security/
Security & Transparency – Fortress Crypt
200 yes 950 9
https://fortresscrypt.com/2026/07/14/introducing-fortress-crypt/
Introducing Fortress Crypt — 6-Layer Encryption
200 yes 464 1
https://fortresscrypt.com/fortress-favicon-512/
fortress-favicon-512 – Fortress Crypt
200 yes 84 1
https://fortresscrypt.com/fortress-header-logo/
fortress-header-logo – Fortress Crypt
200 yes 79 1

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