neoenergia.com

Readiness by lane

Green: neoenergia.com. Thin bar: Energy, Electricity & Gas peer median.

Priority fixes for neoenergia.com

Ordered by impact and by how common each practice is among peers.

1. Priority 1 · Accelerate

   Static files cached for 30 days or more

   Observed: A same-site stylesheet or script was cacheable for 1 hours, short of the 30-day benchmark.

   Why it matters: Returning visitors and later page views reuse cached files instead of downloading them again.

   What to do: Give versioned (fingerprinted) CSS, JavaScript, fonts and images Cache-Control: public, max-age=31536000, immutable, and change the file name whenever the content changes.

   41% of Energy, Electricity & Gas peers do this. Limit: Read from the homepage response only; other pages or regions may send different headers.

   Guide: Browser Caching Guide for Website Owners

2. Priority 2 · Harden

   Content Security Policy present

   Observed: The homepage response did not include a Content-Security-Policy header.

   What to do: Start with Content-Security-Policy-Report-Only to see what would break, tighten the policy over a few weeks, then enforce it.

   50% of Energy, Electricity & Gas peers do this.

   Guide: Payment Security and PCI DSS: What Website Owners Need to Know

3. Priority 3 · Accelerate

   No render-blocking scripts in <head>

   Observed: The homepage <head> loaded 6 external scripts without async or defer.

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

   30% of Energy, Electricity & Gas peers do this.

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

4. Priority 4 · Enable

   Structured data present

   Observed: The homepage had no JSON-LD structured data.

   What to do: Add JSON-LD for your organization and main content types, then test it with Google's Rich Results Test.

   36% of Energy, Electricity & Gas peers do this.

   Guide: Structured Data Basics for Website Owners

What neoenergia.com already does well

Practices fewer than half of Energy, Electricity & Gas peers use.

• CAA records limit who can issue certificatesCAA limits issuance to amazon.com, digicert.com, globalsign.com.11% of peers
• Nameservers spread across providersNameservers spread across more than one operator.17% of peers
• HTTP/3 advertisedHTTP/3 advertised.20% of peers

What we saw

Homepage checked

https://www.neoenergia.com/

Homepage response

HTTP 200

TLS

TLSv1.3, HTTP/2

Certificate

GlobalSign, 199-day validity, expiring 2026-12-19

CDN or edge

Google edge

DNS operators

2 self-run or other nameserver domains

HSTS

max-age 365 days, includeSubDomains

DMARC policy

p=reject

Homepage HTML

317 KB, gzip

Images on homepage

65 (jpg 27, png 16, webp 2)

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

Compare with other Energy, Electricity & Gas sites

• aramco.com80
• enel.it81
• engie.be78
• tarifaluzhora.es82
• uswitch.com79

Energy, Electricity & Gas readiness benchmark