Website readiness profile · Snapshot 23 October 2026
coldwellbankerhomes.com
coldwellbankerhomes.com's public homepage, certificate and DNS checked against 31 practices and compared with 254 Real Estate & Property Listings sites.
- Readiness index
- 55/100
- Ahead of
- 18%
- Practices observed
- 15/30
- Popularity band
- Top 50K
Real Estate & Property Listings median 66
of measured Real Estate & Property Listings sites
1 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: coldwellbankerhomes.com. Thin bar: Real Estate & Property Listings peer median.
Enable
95/100
Peers 82
Harden
49/100
Peers 58
Accelerate
24/100
Peers 65
Recover
0/100
Peers 7
Priority fixes for coldwellbankerhomes.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.
91% of Real Estate & Property Listings 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.
89% of Real Estate & Property Listings peers do this.
Priority 3 · Harden
HSTS kept for at least a year
Observed: Strict-Transport-Security was sent with a max-age of 186 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.
43% of Real Estate & Property Listings peers do this.
Priority 4 · Accelerate
Modern image formats in use
Observed: The homepage had 9 images and none used WebP or AVIF.
What to do: Serve WebP or AVIF with a JPEG or PNG fallback, either through an image CDN or by generating both formats at build time.
50% of Real Estate & Property Listings peers do this.
Guide: AVIF, WebP, JPEG, and PNG: Choose the Right Image Format
What coldwellbankerhomes.com already does well
Practices fewer than half of Real Estate & Property Listings peers use.
- X-Content-Type-Options: nosniffnosniff header present.45% of peers
What we saw
- Homepage checked
- https://www.coldwellbankerhomes.com/
- Homepage response
- HTTP 200
- TLS
- TLSv1.2
- Certificate
- Corporation Service Company, 368-day validity, expiring 2027-03-14
- DNS operators
- Amazon Route 53
- HSTS
- max-age 186 days, includeSubDomains
- DMARC policy
- p=reject
- Homepage HTML
- 52 KB, gzip
- Images on homepage
- 9 (jpg 5, svg 4)
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 15
- HSTS kept for at least a year
- TLS 1.3 negotiated
- Certificate lifetime of 100 days or less
- CAA records limit who can issue certificates
- DNSSEC signed
- security.txt published
- Content Security Policy present
- Referrer-Policy set
- HTTP/2 negotiated
- HTTP/3 advertised
- Modern image formats in use
- Offscreen images lazy-loaded
- No render-blocking scripts in <head>
- Reachable over IPv6
- Nameservers spread across providers
Observed 15
- HTTP requests move to HTTPS
- Certificate has more than 14 days left
- DMARC policy enforces quarantine or reject
- X-Content-Type-Options: nosniff
- Framing restricted
- HTML compressed
- robots.txt published
- XML sitemap discoverable
- Canonical URL declared
- Meta description written
- Mobile viewport configured
- Structured data present
- Social preview image set
- Page language declared
- At most one redirect to the homepage
Not measured 1
- Static files cached for 30 days or more
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Live status for this site: Status Is Down: coldwellbankerhomes.com. This profile covers configuration only.