Website readiness profile · Snapshot 23 October 2026
testmozusercontent.com
testmozusercontent.com's public homepage, certificate and DNS checked against 31 practices and compared with 1,516 Education & Online Learning sites.
- Readiness index
- 36/100
- Ahead of
- 4.8%
- Practices observed
- 8/29
- Popularity band
- Top 10K
Education & Online Learning median 61
of measured Education & Online Learning sites
2 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: testmozusercontent.com. Thin bar: Education & Online Learning peer median.
Enable
49/100
Peers 75
Harden
34/100
Peers 54
Accelerate
27/100
Peers 57
Recover
0/100
Peers 13
Priority fixes for testmozusercontent.com
Ordered by impact and by how common each practice is among peers.
Priority 1 · Accelerate
HTTP/2 negotiated
Observed: The TLS handshake selected http/1.1 instead of HTTP/2.
Why it matters: HTTP/2 sends many files over one connection, which speeds up pages with lots of images, styles and scripts.
What to do: Enable HTTP/2 on your CDN or server. Most CDNs do this by default.
80% of Education & Online Learning peers do this. Limit: Certificate and protocol were observed from one vantage point; CDNs can present different certificates by region.
Priority 2 · Harden
TLS 1.3 negotiated
Observed: The TLS connection negotiated TLSv1.2.
What to do: Enable TLS 1.3 on your CDN or server. Keep TLS 1.2 available for older clients unless you have checked your audience.
86% of Education & Online Learning peers do this.
Priority 3 · Harden
HSTS kept for at least a year
Observed: The homepage response did not include a Strict-Transport-Security header.
What to do: Send Strict-Transport-Security on HTTPS responses. Start with a short max-age (for example 300 seconds), confirm every subdomain works over HTTPS, then raise it in steps to 31536000. Add includeSubDomains only when all subdomains are HTTPS. HSTS preload is optional and hard to undo; hstspreload.org itself does not recommend it by default.
34% of Education & Online Learning peers do this.
Priority 4 · Enable
XML sitemap discoverable
Observed: No sitemap was listed in robots.txt or found at /sitemap.xml.
What to do: Generate an XML sitemap of canonical URLs, reference it in robots.txt and submit it in Google Search Console.
65% of Education & Online Learning peers do this.
Guide: XML Sitemap Guide: Include Only URLs You Stand Behind
What we saw
- Homepage checked
- https://testmozusercontent.com/
- Homepage response
- HTTP 200, after 1 redirect
- TLS
- TLSv1.2, http/1.1
- Certificate
- ZeroSSL, 90-day validity, expiring 2026-12-02
- DNS operators
- Constellix
- Homepage HTML
- 15 KB, gzip
- Images on homepage
- 5 (png 5)
Limits: homepage only, one location, one moment. Header checks reflect the homepage response; other pages may differ.
Stack and providers
Seen in the homepage response, certificate and DNS. Provider pages compare how their customers configure the same checks.
All 31 checks
Select a gap for the method and fix. How each check works
Not observed 21
- HSTS kept for at least a year
- TLS 1.3 negotiated
- CAA records limit who can issue certificates
- DNSSEC signed
- security.txt published
- DMARC policy enforces quarantine or reject
- X-Content-Type-Options: nosniff
- Framing restricted
- Content Security Policy present
- Referrer-Policy set
- HTTP/2 negotiated
- HTTP/3 advertised
- Modern image formats in use
- No render-blocking scripts in <head>
- XML sitemap discoverable
- Reachable over IPv6
- Canonical URL declared
- Structured data present
- Social preview image set
- Page language declared
- Nameservers spread across providers
Observed 8
- HTTP requests move to HTTPS
- Certificate has more than 14 days left
- Certificate lifetime of 100 days or less
- HTML compressed
- robots.txt published
- Meta description written
- Mobile viewport configured
- At most one redirect to the homepage
Not measured 2
- Static files cached for 30 days or more
- Offscreen images lazy-loaded
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Live status for this site: Status Is Down: testmozusercontent.com. This profile covers configuration only.