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Category benchmark · Snapshot 23 October 2026

Energy, Electricity & Gas: website readiness

31 configuration checks across 132 Energy, Electricity & Gas sites from the SID website catalog, with 52 individual profiles for sites in the Chrome UX Report top 50K.

Sites measured
132

all popularity bands

Median readiness index
64/100

all sites: 64

Profiles
52

top-50K sites

Weakest lane
Recover

lowest weighted score

Readiness by lane

Enable

74/100

All sites 77

Harden

65/100

All sites 56

Accelerate

51/100

All sites 64

Recover

17/100

All sites 10

Biggest gaps for Energy, Electricity & Gas sites

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

  1. Modern image formats in use

    36% 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

  2. security.txt published

    7.9% 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

  3. Static files cached for 30 days or more

    41% 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

  4. CAA records limit who can issue certificates

    11% 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

  5. No render-blocking scripts in <head>

    30% observed · all sites 48%

    Add defer to scripts that need the DOM, async to independent ones such as analytics, or move them to the end of the body.

    Guide: Control Third-Party Scripts Before They Control Your Page

  6. HTTP/3 advertised

    20% observed · all sites 37%

    Turn on HTTP/3 at your CDN. Browsers fall back to HTTP/2 automatically, so the risk is low.

    Guide: CDN Guide for Website Owners

Where Energy, Electricity & Gas sites lead

  • HSTS kept for at least a year63% observedall sites 34%
  • DMARC policy enforces quarantine or reject64% observedall sites 39%
  • X-Content-Type-Options: nosniff73% observedall sites 48%
  • Framing restricted75% observedall sites 51%

Stack mix

CDN and edge

Platform or framework

DNS operator

Certificate authority

Readiness leaders

Energy, Electricity & Gas 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.

  1. se.com89/100
  2. originenergy.com.au87/100
  3. selectra.info85/100
  4. ankersolix.com82/100
  5. tarifaluzhora.es82/100
  6. enel.it81/100
  7. aramco.com80/100
  8. neoenergia.com79/100
  9. uswitch.com79/100
  10. engie.be78/100

All 31 checks for Energy, Electricity & Gas

CheckLaneObservedAll sitesMeasured
HTTP requests move to HTTPSHarden97%91%115
HSTS kept for at least a yearHarden63%34%131
TLS 1.3 negotiatedHarden86%91%130
Certificate has more than 14 days leftHarden96%99%130
Certificate lifetime of 100 days or lessHarden35%67%130
CAA records limit who can issue certificatesHarden11%13%132
DNSSEC signedHarden15%8%132
security.txt publishedHarden7.9%7.1%127
DMARC policy enforces quarantine or rejectHarden64%39%132
X-Content-Type-Options: nosniffHarden73%48%131
Framing restrictedHarden75%51%131
Content Security Policy presentHarden50%32%131
Referrer-Policy setHarden37%24%131
HTTP/2 negotiatedAccelerate72%90%130
HTTP/3 advertisedAccelerate20%37%131
HTML compressedAccelerate79%93%131
Static files cached for 30 days or moreAccelerate41%51%115
Modern image formats in useAccelerate36%40%111
Offscreen images lazy-loadedAccelerate53%62%108
No render-blocking scripts in <head>Accelerate30%48%131
robots.txt publishedEnable81%76%130
XML sitemap discoverableEnable74%70%128
Reachable over IPv6Enable30%48%132
Canonical URL declaredEnable68%68%131
Meta description writtenEnable74%84%131
Mobile viewport configuredEnable96%94%131
Structured data presentEnable36%51%131
Social preview image setEnable47%57%131
Page language declaredEnable91%90%131
At most one redirect to the homepageEnable93%98%131
Nameservers spread across providersRecover17%10%132

Energy, Electricity & Gas profiles

Readiness index shown next to each site.