49
SEO audit for fermium.systems
Fermium Systems - Building Intelligent Infrastructure
Health 49/100 (poor) · 10 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)
10
pages crawled
7
indexable pages
6
errors
21
warnings
90
notices
0
orphan pages
3
broken links
Category breakdown
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Crawlability | 70 | 3 | 0 | 0 |
| Links | 70 | 3 | 0 | 2 |
| Canonical | 79 | 0 | 7 | 0 |
| Performance | 79 | 0 | 7 | 28 |
| Agent Readiness | 88 | 0 | 4 | 6 |
| Meta Description | 94 | 0 | 2 | 3 |
| Duplicate | 97 | 0 | 1 | 0 |
| Cache | 100 | 0 | 0 | 7 |
| Content | 100 | 0 | 0 | 5 |
| Images | 100 | 0 | 0 | 7 |
| Security | 100 | 0 | 0 | 11 |
| Social | 100 | 0 | 0 | 14 |
| Structured Data | 100 | 0 | 0 | 7 |
Findings
Errors (2 rules)
error Broken internal link (target 4xx/5xx)
Rule links.broken_internal · Links · 3 occurrence(s)
- https://fermium.systems/rakibhhridoy/ — https://fermium.systems/research/deltas/ (HTTP 404)
- https://fermium.systems/rakibhhridoy/ — https://fermium.systems/research/five-rivers/ (HTTP 404)
- https://fermium.systems/rakibhhridoy/ — https://fermium.systems/research/soc/ (HTTP 404)
error Client error (4xx) response
Rule status.4xx · Crawlability · 3 occurrence(s)
- https://fermium.systems/research/deltas/ — HTTP 404
- https://fermium.systems/research/five-rivers/ — HTTP 404
- https://fermium.systems/research/soc/ — HTTP 404
Warnings (5 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 4 occurrence(s)
- https://fermium.systems/ — 4 button/link(s) with no text or aria-label — an agent can't target them
- https://fermium.systems/rakibhhridoy/deck/ — 4 button/link(s) with no text or aria-label — an agent can't target them
- https://fermium.systems/research/blue-carbon/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://fermium.systems/research/groundwater/ — 1 button/link(s) with no text or aria-label — an agent can't target them
warning Missing canonical tag
Rule canonical.missing · Canonical · 7 occurrence(s)
warning Homepage duplicated across protocol/host variants (no redirect)
Rule duplicate.protocol_host · Duplicate · 1 occurrence(s)
- https://fermium.systems/ — https://www.fermium.systems/ 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 Missing meta description
Rule meta_desc.missing · Meta Description · 2 occurrence(s)
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 7 occurrence(s)
- https://fermium.systems/ — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://fermium.systems/rakibhhridoy/ — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://fermium.systems/rakibhhridoy/deck/ — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://fermium.systems/research/ — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://fermium.systems/research/blue-carbon/ — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://fermium.systems/research/groundwater/ — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://fermium.systems/research/lab/ — 1 render-blocking <script> in <head> (add defer/async or use type=module)
Notices (18 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 3 occurrence(s)
- https://fermium.systems/rakibhhridoy/ — h4 follows h2 — skips h3
- https://fermium.systems/research/blue-carbon/ — h4 follows h2 — skips h3
- https://fermium.systems/research/groundwater/ — h4 follows h2 — skips h3
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://fermium.systems/ — 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 · 2 occurrence(s)
- https://fermium.systems/ — add a <main> element (or role=main) around the primary content
- https://fermium.systems/rakibhhridoy/deck/ — add a <main> element (or role=main) around the primary content
notice Page served uncached (no-store/private or CDN bypass)
Rule cache.not_cacheable · Cache · 7 occurrence(s)
- https://fermium.systems/ — Cache-Control: (none) · cloudflare: DYNAMIC
- https://fermium.systems/rakibhhridoy/ — Cache-Control: (none) · cloudflare: DYNAMIC
- https://fermium.systems/rakibhhridoy/deck/ — Cache-Control: (none) · cloudflare: DYNAMIC
- https://fermium.systems/research/ — Cache-Control: (none) · cloudflare: DYNAMIC
- https://fermium.systems/research/blue-carbon/ — Cache-Control: (none) · cloudflare: DYNAMIC
- https://fermium.systems/research/groundwater/ — Cache-Control: (none) · cloudflare: DYNAMIC
- https://fermium.systems/research/lab/ — Cache-Control: (none) · cloudflare: DYNAMIC
notice Main text is hard to read (low Flesch Reading Ease)
Rule content.readability_poor · Content · 5 occurrence(s)
- https://fermium.systems/ — this page reads as very difficult (Flesch Reading Ease 11, 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://fermium.systems/rakibhhridoy/ — this page reads as difficult (Flesch Reading Ease 31, 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://fermium.systems/rakibhhridoy/deck/ — this page reads as very difficult (Flesch Reading Ease 8, 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://fermium.systems/research/ — this page reads as very difficult (Flesch Reading Ease 8, 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://fermium.systems/research/lab/ — this page reads as very difficult (Flesch Reading Ease 18, 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 Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 7 occurrence(s)
- https://fermium.systems/ — the likely hero/LCP image (fermiuml.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://fermium.systems/rakibhhridoy/ — the likely hero/LCP image (fermiuml_tight.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://fermium.systems/rakibhhridoy/deck/ — the likely hero/LCP image (profilep.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://fermium.systems/research/ — the likely hero/LCP image (fermiuml_tight.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://fermium.systems/research/blue-carbon/ — the likely hero/LCP image (fermiuml_tight.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://fermium.systems/research/groundwater/ — the likely hero/LCP image (fermiuml_tight.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://fermium.systems/research/lab/ — the likely hero/LCP image (fermiuml_tight.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 · 7 occurrence(s)
- https://fermium.systems/ — 4 of 4 images without width/height
- https://fermium.systems/rakibhhridoy/ — 11 of 11 images without width/height
- https://fermium.systems/rakibhhridoy/deck/ — 15 of 15 images without width/height
- https://fermium.systems/research/ — 5 of 5 images without width/height
- https://fermium.systems/research/blue-carbon/ — 8 of 8 images without width/height
- https://fermium.systems/research/groundwater/ — 13 of 13 images without width/height
- https://fermium.systems/research/lab/ — 2 of 2 images without width/height
notice Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 1 occurrence(s)
- https://fermium.systems/rakibhhridoy/deck/ — 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 Page has only one internal inlink (fragile crawl path)
Rule links.single_inlink · Links · 1 occurrence(s)
- https://fermium.systems/rakibhhridoy/deck/ — only one internal link points here — if that source changes, this page becomes an orphan. Add more contextual internal links to strengthen the crawl path.
notice Meta description too long
Rule meta_desc.too_long · Meta Description · 3 occurrence(s)
- https://fermium.systems/research/blue-carbon/ — 321 chars
- https://fermium.systems/research/groundwater/ — 256 chars
- https://fermium.systems/research/lab/ — 242 chars
notice Missing Open Graph tags
Rule og.missing · Social · 7 occurrence(s)
- https://fermium.systems/ — og:title, og:description, og:image
- https://fermium.systems/rakibhhridoy/ — og:title, og:description, og:image
- https://fermium.systems/rakibhhridoy/deck/ — og:title, og:description, og:image
- https://fermium.systems/research/ — og:title, og:description, og:image
- https://fermium.systems/research/blue-carbon/ — og:title, og:description, og:image
- https://fermium.systems/research/groundwater/ — og:title, og:description, og:image
- https://fermium.systems/research/lab/ — og:title, og:description, og:image
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 7 occurrence(s)
- https://fermium.systems/ — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://fermium.systems/rakibhhridoy/ — 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://fermium.systems/rakibhhridoy/deck/ — 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://fermium.systems/research/ — 5 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- https://fermium.systems/research/blue-carbon/ — 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://fermium.systems/research/groundwater/ — 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://fermium.systems/research/lab/ — 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 · 7 occurrence(s)
- https://fermium.systems/ — 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://fermium.systems/rakibhhridoy/ — 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://fermium.systems/rakibhhridoy/deck/ — 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://fermium.systems/research/ — 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://fermium.systems/research/blue-carbon/ — 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://fermium.systems/research/groundwater/ — 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://fermium.systems/research/lab/ — 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 · 7 occurrence(s)
- https://fermium.systems/ — 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://fermium.systems/rakibhhridoy/ — 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://fermium.systems/rakibhhridoy/deck/ — 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://fermium.systems/research/ — 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://fermium.systems/research/blue-carbon/ — 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://fermium.systems/research/groundwater/ — 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://fermium.systems/research/lab/ — 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 No structured data detected
Rule schema.none · Structured Data · 7 occurrence(s)
notice Missing recommended security headers
Rule security.missing_headers · Security · 10 occurrence(s)
- https://fermium.systems/ — HSTS, CSP
- https://fermium.systems/rakibhhridoy/ — HSTS, CSP
- https://fermium.systems/rakibhhridoy/deck/ — HSTS, CSP
- https://fermium.systems/research/ — HSTS, CSP
- https://fermium.systems/research/blue-carbon/ — CSP, HSTS
- https://fermium.systems/research/deltas/ — CSP, HSTS
- https://fermium.systems/research/five-rivers/ — HSTS, CSP
- https://fermium.systems/research/groundwater/ — HSTS, CSP
- https://fermium.systems/research/lab/ — HSTS, CSP
- https://fermium.systems/research/soc/ — HSTS, CSP
notice target=_blank link without rel=noopener (tab-napping)
Rule security.unsafe_cross_origin_links · Security · 1 occurrence(s)
- https://fermium.systems/rakibhhridoy/deck/ — 10 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 · 7 occurrence(s)
Pages (showing 10 of 10)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://fermium.systems/ Fermium Systems - Building Intelligent Infrastructure |
200 | yes | 303 | 7 |
| https://fermium.systems/rakibhhridoy/ Md Rakib Hasan · Profile · Fermium Systems |
200 | yes | 1609 | 6 |
| https://fermium.systems/research/ Research · Fermium Systems |
200 | yes | 254 | 5 |
| https://fermium.systems/research/lab/ Environmental Biogeochemistry Lab · Fermium Systems |
200 | yes | 1603 | 5 |
| https://fermium.systems/research/blue-carbon/ Blue Carbon · Research · Fermium Systems |
200 | yes | 3306 | 3 |
| https://fermium.systems/research/groundwater/ Groundwater Arsenic · Research · Fermium Systems |
200 | yes | 9045 | 3 |
| https://fermium.systems/rakibhhridoy/deck/ Md Rakib Hasan - Software Engineer & Researcher |
200 | yes | 515 | 1 |
| https://fermium.systems/research/deltas/ Not Found |
404 | no | 11 | 1 |
| https://fermium.systems/research/five-rivers/ Not Found |
404 | no | 11 | 1 |
| https://fermium.systems/research/soc/ Not Found |
404 | no | 11 | 1 |
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