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SGSiteGraph

cemig.com.br

Cemig

Last scanned Jul 26, 2026, 1:49 PM

89

Overall score

Great

Summary

This website uses WordPress. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

5 issues found · 2 high priority

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

70

SEO

4 issue(s) found

100

Performance

772 ms

100

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Meta tags

Title
Cemig
Description
Canonical
https://www.cemig.com.br/
Language
pt-BR
Charset
UTF-8
Viewport
width=device-width, initial-scale=1.0, maximum-scale=5, user-scalable=yes
Robots meta
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Cemig
og:description
og:type
website
og:url
https://www.cemig.com.br/

Twitter Card

twitter:card
summary_large_image
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Valid Certificadora Digital LTDA
Subject
*.cemig.com.br
Valid from
Dec 16, 2025
Valid to
Jan 16, 2027
Days until expiry
172
SAN domains
*.cemig.com.br, cemig.com.br

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyEnabled

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 22 · H3 0

Links

42 internal · 8 external · 20 broken

Images

8 total · 0 missing alt

Scripts / Styles

17 scripts · 11 stylesheets

JS / CSS size

1.1 KB · 17.7 KB

Page size

120 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • No H1 heading found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://cemig.com.br
Final URL
https://www.cemig.com.br/
HTTP status
200
HTTP version
HTTP/2
Response time
770 ms
HTML size
120 KB
Redirect chain
https://cemig.com.br → https://www.cemig.com.br/

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Frequently asked questions

What technology does cemig.com.br use?
cemig.com.br is built with WordPress, Bootstrap, jQuery, Google Analytics.
Is cemig.com.br secure (HTTPS)?
Yes. cemig.com.br uses TLS 1.3 with a certificate issued by Valid Certificadora Digital LTDA, valid until Jan 16, 2027.
Who hosts cemig.com.br?
Hosting provider information for cemig.com.br is not available yet.
What is cemig.com.br's SEO score?
cemig.com.br scored 70/100 for SEO in the latest analysis (fair).
What is cemig.com.br's overall website score?
cemig.com.br has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.