75
SEO audit for costsignal.io
CostSignal — Free Cost & Inflation Data
Health 75/100 (good) · 10 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)The free Bloomberg for input costs. BLS, FRED & EIA data — build charts, export Excel, share links. No subscription.
10
pages crawled
7
indexable pages
0
errors
15
warnings
58
notices
0
orphan pages
0
broken links
Category breakdown
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Canonical | 79 | 0 | 7 | 0 |
| Meta Description | 91 | 0 | 3 | 0 |
| Content | 94 | 0 | 2 | 5 |
| Headings | 94 | 0 | 2 | 0 |
| Performance | 97 | 0 | 1 | 14 |
| Agent Readiness | 100 | 0 | 0 | 8 |
| Cache | 100 | 0 | 0 | 7 |
| Links | 100 | 0 | 0 | 3 |
| Security | 100 | 0 | 0 | 7 |
| Social | 100 | 0 | 0 | 6 |
| Structured Data | 100 | 0 | 0 | 7 |
| Titles | 100 | 0 | 0 | 1 |
Findings
Warnings (5 rules)
warning Missing canonical tag
Rule canonical.missing · Canonical · 7 occurrence(s)
warning Thin content (low word count)
Rule content.thin · Content · 2 occurrence(s)
- https://costsignal.io/privacy — 106 words
- https://costsignal.io/terms — 151 words
warning Missing <h1>
Rule h1.missing · Headings · 2 occurrence(s)
warning Missing meta description
Rule meta_desc.missing · Meta Description · 3 occurrence(s)
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 1 occurrence(s)
- https://costsignal.io/builder — 4 render-blocking <script> in <head> (add defer/async or use type=module)
Notices (15 rules)
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://costsignal.io/ — 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 · 7 occurrence(s)
- https://costsignal.io/ — add a <main> element (or role=main) around the primary content
- https://costsignal.io/builder — add a <main> element (or role=main) around the primary content
- https://costsignal.io/docs — add a <main> element (or role=main) around the primary content
- https://costsignal.io/excel — add a <main> element (or role=main) around the primary content
- https://costsignal.io/privacy — add a <main> element (or role=main) around the primary content
- https://costsignal.io/tam — add a <main> element (or role=main) around the primary content
- https://costsignal.io/terms — 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://costsignal.io/ — Cache-Control: (none) · cloudflare: DYNAMIC
- https://costsignal.io/builder — Cache-Control: (none) · cloudflare: DYNAMIC
- https://costsignal.io/docs — Cache-Control: (none) · cloudflare: DYNAMIC
- https://costsignal.io/excel — Cache-Control: (none) · cloudflare: DYNAMIC
- https://costsignal.io/privacy — Cache-Control: (none) · cloudflare: DYNAMIC
- https://costsignal.io/tam — Cache-Control: (none) · cloudflare: DYNAMIC
- https://costsignal.io/terms — Cache-Control: (none) · cloudflare: DYNAMIC
notice Low text-to-HTML ratio
Rule content.low_ratio · Content · 3 occurrence(s)
- https://costsignal.io/ — 2.0%
- https://costsignal.io/builder — 0.1%
- https://costsignal.io/tam — 0.0%
notice Main text is hard to read (low Flesch Reading Ease)
Rule content.readability_poor · Content · 2 occurrence(s)
- https://costsignal.io/builder — 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://costsignal.io/tam — this page reads as very difficult (Flesch Reading Ease 30, 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 Page has only one internal inlink (fragile crawl path)
Rule links.single_inlink · Links · 3 occurrence(s)
- https://costsignal.io/excel — 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.
- https://costsignal.io/privacy — 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.
- https://costsignal.io/terms — 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 Missing Open Graph tags
Rule og.missing · Social · 3 occurrence(s)
- https://costsignal.io/excel — og:title, og:description, og:image
- https://costsignal.io/privacy — og:title, og:description, og:image
- https://costsignal.io/terms — og:title, og:description, og:image
notice Large HTML document
Rule perf.large_html · Performance · 2 occurrence(s)
- https://costsignal.io/builder — 8.5 MiB
- https://costsignal.io/tam — 8.0 MiB
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 7 occurrence(s)
- https://costsignal.io/ — 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://costsignal.io/builder — 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://costsignal.io/docs — 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://costsignal.io/excel — 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://costsignal.io/privacy — 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://costsignal.io/tam — 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://costsignal.io/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 · 4 occurrence(s)
- https://costsignal.io/ — 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://costsignal.io/builder — 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://costsignal.io/docs — 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://costsignal.io/tam — 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)
- https://costsignal.io/v1/export/csv — 4761 ms
notice No structured data detected
Rule schema.none · Structured Data · 7 occurrence(s)
notice Missing recommended security headers
Rule security.missing_headers · Security · 7 occurrence(s)
- https://costsignal.io/ — HSTS, CSP, X-Content-Type-Options
- https://costsignal.io/builder — HSTS, CSP, X-Content-Type-Options
- https://costsignal.io/docs — CSP, X-Content-Type-Options, HSTS
- https://costsignal.io/excel — HSTS, CSP, X-Content-Type-Options
- https://costsignal.io/privacy — HSTS, CSP, X-Content-Type-Options
- https://costsignal.io/tam — HSTS, CSP, X-Content-Type-Options
- https://costsignal.io/terms — HSTS, CSP, X-Content-Type-Options
notice Title tag is identical to the H1 (missed keyword variation)
Rule title.same_as_h1 · Titles · 1 occurrence(s)
- https://costsignal.io/excel — the <title> and the H1 are identical — differentiate them to cover more query variation
notice Missing Twitter Card tag
Rule twitter.missing · Social · 3 occurrence(s)
Pages (showing 10 of 10)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://costsignal.io/ CostSignal — Free Cost & Inflation Data |
200 | yes | 571 | 6 |
| https://costsignal.io/docs Docs — CostSignal API |
200 | yes | 798 | 4 |
| https://costsignal.io/builder Excel Data Builder — CostSignal |
200 | yes | 811 | 4 |
| https://costsignal.io/tam TAM Growth Engine — CostSignal |
200 | yes | 256 | 3 |
| https://costsignal.io/excel CostSignal Excel Add-in |
200 | yes | 212 | 1 |
| https://costsignal.io/privacy Privacy Policy — CostSignal |
200 | yes | 106 | 1 |
| https://costsignal.io/terms Terms of Service — CostSignal |
200 | yes | 151 | 1 |
| https://costsignal.io/static/excel/manifest.xml | 200 | no | 0 | 1 |
| https://costsignal.io/v1/categories | 200 | no | 0 | 1 |
| https://costsignal.io/v1/export/csv | 200 | no | 0 | 1 |
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