Website readiness profile · Snapshot 23 October 2026
ctabustracker.com
ctabustracker.com's public homepage, certificate and DNS checked against 31 practices and compared with 203 Trains & Public Transport sites.
- Readiness index
- 40/100
- Ahead of
- 8.4%
- Practices observed
- 9/29
- Popularity band
- Top 50K
Trains & Public Transport median 60
of measured Trains & Public Transport sites
2 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: ctabustracker.com. Thin bar: Trains & Public Transport peer median.
Enable
36/100
Peers 73
Harden
49/100
Peers 57
Accelerate
27/100
Peers 53
Recover
0/100
Peers 15
Priority fixes for ctabustracker.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.
77% of Trains & Public Transport peers do this. Limit: Certificate and protocol were observed from one vantage point; CDNs can present different certificates by region.
Priority 2 · Enable
robots.txt published
Observed: No robots.txt file was returned at the site root.
What to do: Publish /robots.txt with any crawl rules you need and a Sitemap: line pointing to your XML sitemap.
81% of Trains & Public Transport peers do this.
Guide: Robots.txt Guide: Control Crawling Without Hiding Mistakes
Priority 3 · Harden
HSTS kept for at least a year
Observed: Strict-Transport-Security was sent with a max-age of 0 days, below the one-year benchmark.
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.
41% of Trains & Public Transport 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.
66% of Trains & Public Transport peers do this.
Guide: XML Sitemap Guide: Include Only URLs You Stand Behind
What we saw
- Homepage checked
- https://www.ctabustracker.com/
- Homepage response
- HTTP 200
- TLS
- TLSv1.3
- Certificate
- DigiCert, 198-day validity, expiring 2027-04-01
- DNS operators
- 1 self-run or other nameserver domain
- HSTS
- max-age 0 days
- Homepage HTML
- 107 KB, gzip
- Images on homepage
- 0
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 20
- HSTS kept for at least a year
- Certificate lifetime of 100 days or less
- CAA records limit who can issue certificates
- DNSSEC signed
- security.txt published
- DMARC policy enforces quarantine or reject
- Content Security Policy present
- Referrer-Policy set
- HTTP/2 negotiated
- HTTP/3 advertised
- Static files cached for 30 days or more
- No render-blocking scripts in <head>
- robots.txt published
- XML sitemap discoverable
- Reachable over IPv6
- Canonical URL declared
- Structured data present
- Social preview image set
- Page language declared
- Nameservers spread across providers
Observed 9
- HTTP requests move to HTTPS
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- X-Content-Type-Options: nosniff
- Framing restricted
- HTML compressed
- Meta description written
- Mobile viewport configured
- At most one redirect to the homepage
Not measured 2
- Modern image formats in use
- Offscreen images lazy-loaded
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Live status for this site: Status Is Down: ctabustracker.com. This profile covers configuration only.