Category benchmark · Snapshot 23 October 2026

Real Estate & Property Listings: website readiness

31 configuration checks across 254 Real Estate & Property Listings sites from the SID website catalog, with 131 individual profiles for sites in the Chrome UX Report top 50K.

Sites measured: 254
Median readiness index: 66/100
Profiles: 131
Weakest lane: Recover

Readiness by lane

Enable

82/100

All sites 77

Harden

58/100

All sites 56

Accelerate

65/100

All sites 64

Recover

7/100

All sites 10

Biggest gaps for Real Estate & Property Listings sites

The checks with the most room to improve, weighted by impact.

HSTS kept for at least a year
43% observed · all sites 34%
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.
Guide: HTTPS and TLS Guide for Website Owners
CAA records limit who can issue certificates
6.7% observed · all sites 13%
Publish CAA records naming every CA you actually use, including the CAs your CDN uses for managed certificates. Add an iodef contact if you want reports.
Guide: HTTPS and TLS Guide for Website Owners
security.txt published
8% observed · all sites 7.1%
Publish /.well-known/security.txt with at least Contact and Expires fields, as RFC 9116 requires, and review it before it expires.
Guide: A Practical Website Health Check for Owners
Modern image formats in use
50% observed · all sites 40%
Serve WebP or AVIF with a JPEG or PNG fallback, either through an image CDN or by generating both formats at build time.
Guide: AVIF, WebP, JPEG, and PNG: Choose the Right Image Format
DMARC policy enforces quarantine or reject
51% observed · all sites 39%
Publish DMARC with p=none and a reporting address first, fix any legitimate senders that fail SPF or DKIM alignment, then move to quarantine and finally reject.
Guide: A Practical Website Health Check for Owners
Static files cached for 30 days or more
51% observed · all sites 51%
Give versioned (fingerprinted) CSS, JavaScript, fonts and images Cache-Control: public, max-age=31536000, immutable, and change the file name whenever the content changes.
Guide: Browser Caching Guide for Website Owners

Where Real Estate & Property Listings sites lead

robots.txt published94% observedall sites 76%
DMARC policy enforces quarantine or reject51% observedall sites 39%
Modern image formats in use50% observedall sites 40%
Social preview image set65% observedall sites 57%

Stack mix

CDN and edge

Platform or framework

Next.js20%
WordPress11%
Drupal2.4%
Nuxt2.4%
Angular2%
Webflow1.2%
Astro<1%
Bitrix<1%

DNS operator

Certificate authority

Readiness leaders

Real Estate & Property Listings sites in the top 50K with the highest share of observed practices (at least 26 of 31 checks measured). This lists only what we observed on 23 October 2026; owners can request a correction.

All 31 checks for Real Estate & Property Listings

Check	Lane	Observed	All sites	Measured
HTTP requests move to HTTPS	Harden	94%	91%	236
HSTS kept for at least a year	Harden	43%	34%	252
TLS 1.3 negotiated	Harden	89%	91%	254
Certificate has more than 14 days left	Harden	99%	99%	254
Certificate lifetime of 100 days or less	Harden	52%	67%	254
CAA records limit who can issue certificates	Harden	6.7%	13%	254
DNSSEC signed	Harden	11%	8%	254
security.txt published	Harden	8%	7.1%	250
DMARC policy enforces quarantine or reject	Harden	51%	39%	254
X-Content-Type-Options: nosniff	Harden	45%	48%	252
Framing restricted	Harden	54%	51%	252
Content Security Policy present	Harden	30%	32%	252
Referrer-Policy set	Harden	29%	24%	252
HTTP/2 negotiated	Accelerate	91%	90%	254
HTTP/3 advertised	Accelerate	27%	37%	252
HTML compressed	Accelerate	95%	93%	252
Static files cached for 30 days or more	Accelerate	51%	51%	223
Modern image formats in use	Accelerate	50%	40%	224
Offscreen images lazy-loaded	Accelerate	65%	62%	211
No render-blocking scripts in <head>	Accelerate	49%	48%	252
robots.txt published	Enable	94%	76%	241
XML sitemap discoverable	Enable	74%	70%	252
Reachable over IPv6	Enable	30%	48%	254
Canonical URL declared	Enable	77%	68%	252
Meta description written	Enable	91%	84%	252
Mobile viewport configured	Enable	94%	94%	252
Structured data present	Enable	57%	51%	252
Social preview image set	Enable	65%	57%	252
Page language declared	Enable	96%	90%	252
At most one redirect to the homepage	Enable	98%	98%	253
Nameservers spread across providers	Recover	7.5%	10%	254

Real Estate & Property Listings profiles

Readiness index shown next to each site.

Real Estate & Property Listings: website readiness

Readiness by lane

Biggest gaps for Real Estate & Property Listings sites

HSTS kept for at least a year

CAA records limit who can issue certificates

security.txt published

Modern image formats in use

DMARC policy enforces quarantine or reject

Static files cached for 30 days or more