Website scan

Scan your public website for SEO, AI search, and monitoring readiness.

Run a free outside-in check for reachability, redirects, HTTPS, metadata, crawler access, structured data, AI-readiness, and whether HeronSignal is installed.

78Good
https://youtube.com/Scan complete

7 issues found across 6 scan categories.

Last checked Jul 14, 2026, 12:31 PM · Public previews are reused briefly to avoid repeated load.

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Availability
90/100
SEO & AI Readiness
50/100
Crawler & AI Search
86/100
Metadata & Sharing
67/100
Public Speed Estimate
100/100
Monitoring readiness
71/100
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What to fix first

7 prioritized

Ranked by severity — start at the top. Each fix is tied to what the scan actually found.

1Accessibility needs attentionNeeds work

Language is set · Missing main heading · Page title is present

How to fixSet the page language, keep a single clear <h1>, and give the page a descriptive <title>.
2SEO-friendly public basics need attentionNeeds work

Title: good · Description: good · Indexing: good · Sitemap: good · Speed: good

How to fixFix the SEO basics flagged in the note — a unique title and meta description, a canonical URL, and an indexable page.
3AI-friendly public signals need attentionNeeds work

AI crawlers: good · llms.txt: not checked · Readable HTML: needs attention · Structured data: not checked · Sitemap: good

How to fixImprove AI-crawler readiness: allow GPTBot/OAI-SearchBot in robots.txt, add an llms.txt, expose key content in the initial HTML, and add structured data.
4Search engines may not see enough contentNeeds work

Search engines may see very little content in the initial HTML.

How to fixEnsure the main content is in the server-rendered HTML so search engines can read it without running JavaScript.
5Social previews need attentionNeeds work

og:title present · Missing og:description · og:image present

How to fixAdd Open Graph and Twitter card tags (title, description, image) so shared links render a preview.
6Mobile viewport is missingNeeds work

Add a mobile viewport so the page is comfortable to use on phones.

How to fixAddress the items flagged above: Add a mobile viewport so the page is comfortable to use on phones.
7HeronSignal is not installedNeeds work

HeronSignal is not installed on this page, so real visitor journeys, frontend errors, failed requests, funnels, and AI recommendations are not being monitored. Install HeronSignal to unlock them.

How to fixAddress the items flagged above: HeronSignal is not installed on this page, so real visitor journeys, frontend errors, failed requests, funnels, and AI recommendations are not being monitored. Install HeronSignal to unlock them.

Scan results

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CheckResultNote
Home page is reachable
Passed
HTTP 200
Status code is healthy
Passed
Final status code: 200
Redirect chain is healthy
Passed
301: https://youtube.com/ → https://www.youtube.com/
HTTPS is enabled
Passed
The website is served over HTTPS.
Accessibility needs attention
Needs work
Language is set · Missing main heading · Page title is present
CheckResultNote
SEO-friendly public basics need attention
Needs work
Title: good · Description: good · Indexing: good · Sitemap: good · Speed: good
AI-friendly public signals need attention
Needs work
AI crawlers: good · llms.txt: not checked · Readable HTML: needs attention · Structured data: not checked · Sitemap: good
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Scan FAQ

What does the free HeronSignal website scan check?+
The free scan checks public website signals such as reachability, status code, redirects, HTTPS, response time, title, meta description, viewport, canonical URL, Open Graph tags, robots.txt, crawler access, sitemap URLs, structured data, internal links, llms.txt, and whether HeronSignal is installed.
Does the website scan show real visitor errors or sessions?+
No. The public scan only checks what can be seen from outside the website. Real visitor sessions, frontend errors, failed browser requests, funnels, and AI recommendations require installing HeronSignal.
Do I need to sign up to run the scan?+
No signup is required for the first public preview. You can add an email after the scan if you want the report and next steps.
Can the scan help with AI search visibility?+
Yes. The scan reviews public AI-readiness signals such as crawler access, llms.txt, structured data, metadata, sitemap availability, and whether the page can be understood from its initial HTML.