Category benchmark · Snapshot 23 October 2026

Weather Forecast: website readiness

31 configuration checks across 190 Weather Forecast sites from the SID website catalog, with 147 individual profiles for sites in the Chrome UX Report top 50K.

Sites measured: 190
Median readiness index: 63/100
Profiles: 147
Weakest lane: Recover

Readiness by lane

Enable

76/100

All sites 77

Harden

54/100

All sites 56

Accelerate

59/100

All sites 64

Recover

14/100

All sites 10

Biggest gaps for Weather Forecast sites

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

Modern image formats in use
23% 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
HSTS kept for at least a year
39% 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
DMARC policy enforces quarantine or reject
31% 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
security.txt published
3.2% 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
CAA records limit who can issue certificates
8.9% 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
Static files cached for 30 days or more
48% 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 Weather Forecast sites lead

robots.txt published90% observedall sites 76%
No render-blocking scripts in <head>56% observedall sites 48%
Meta description written92% observedall sites 84%
HSTS kept for at least a year39% observedall sites 34%

Stack mix

CDN and edge

Cloudflare29%
Amazon CloudFront16%
Google edge2.1%
Akamai1.6%
Bunny CDN1.6%
Fastly1.1%
Vercel<1%

Platform or framework

Next.js7.9%
WordPress7.9%
Drupal3.7%
Angular2.6%
Nuxt2.6%
Astro1.1%
Blogger<1%
Shopify<1%

DNS operator

Certificate authority

Let's Encrypt31%
Google Trust Services27%
Amazon15%
DigiCert8.9%
Sectigo6.8%
GlobalSign4.7%
Hellenic Academic and Research Institutions CA1.1%
China Financial Certification Authority<1%

Readiness leaders

Weather Forecast 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 Weather Forecast

Check	Lane	Observed	All sites	Measured
HTTP requests move to HTTPS	Harden	92%	91%	181
HSTS kept for at least a year	Harden	39%	34%	190
TLS 1.3 negotiated	Harden	88%	91%	189
Certificate has more than 14 days left	Harden	99%	99%	189
Certificate lifetime of 100 days or less	Harden	59%	67%	189
CAA records limit who can issue certificates	Harden	8.9%	13%	190
DNSSEC signed	Harden	12%	8%	190
security.txt published	Harden	3.2%	7.1%	186
DMARC policy enforces quarantine or reject	Harden	31%	39%	190
X-Content-Type-Options: nosniff	Harden	46%	48%	190
Framing restricted	Harden	38%	51%	190
Content Security Policy present	Harden	22%	32%	190
Referrer-Policy set	Harden	27%	24%	190
HTTP/2 negotiated	Accelerate	84%	90%	189
HTTP/3 advertised	Accelerate	28%	37%	190
HTML compressed	Accelerate	95%	93%	189
Static files cached for 30 days or more	Accelerate	48%	51%	166
Modern image formats in use	Accelerate	23%	40%	160
Offscreen images lazy-loaded	Accelerate	50%	62%	147
No render-blocking scripts in <head>	Accelerate	56%	48%	190
robots.txt published	Enable	90%	76%	182
XML sitemap discoverable	Enable	66%	70%	187
Reachable over IPv6	Enable	48%	48%	189
Canonical URL declared	Enable	61%	68%	190
Meta description written	Enable	92%	84%	190
Mobile viewport configured	Enable	91%	94%	190
Structured data present	Enable	39%	51%	190
Social preview image set	Enable	58%	57%	190
Page language declared	Enable	88%	90%	190
At most one redirect to the homepage	Enable	98%	98%	190
Nameservers spread across providers	Recover	14%	10%	190

Weather Forecast profiles

Readiness index shown next to each site.

Weather Forecast: website readiness

Readiness by lane

Biggest gaps for Weather Forecast sites

Modern image formats in use

HSTS kept for at least a year

DMARC policy enforces quarantine or reject

security.txt published

CAA records limit who can issue certificates

Static files cached for 30 days or more