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cemig.com.br

https://cemig.com.br· First analyzed 07 May 2026· Updated 07 May 2026
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cemig.com.br
Desktop screenshot of cemig.com.br
Mobile screenshot of cemig.com.br
Mobile

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Hosting Provider

Microsoft Azure
azure.microsoft.com

IP Address

4.228.152.242

Site Location

🇧🇷 Brazilvia tld

Server Location

🇧🇷 São Paulo, Brazil

ASN

AS8075

Organization

Microsoft Azure Cloud (brazilsouth)

CDN

Azure Cdn

Nameservers

ns1-36.azure-dns.com.ns2-36.azure-dns.net.ns3-36.azure-dns.org.ns4-36.azure-dns.info.

Performance

96

Core Web Vitals

Weight

First Contentful Paint
1.1 s10%
Speed Index
1.4 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
5.6 MB
67 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
CMS
WordPressv5.3.3
Infrastructure
Hosting
Microsoft Azure
CDN
Azure Cdn

Technology Stack

8 Technologies Detected

Analytics

3
Google Analytics
Google Analytics 4
Hotjar

CSS Frameworks

2
Bootstrapv5.3.3
Tailwind CSS

Libraries

1
jQuery

UI Components

1
Owl Carousel

Plugins

1
Yoast SEO

SEO Analysis

B70/100
21
7
2
Meta Tags4/15
Content11/12
Headings3/8
Technical24/25
E-E-A-T0/7
Images7/7
Links2/5
URL5/5
Social3/5
Freshness4/4
Mobile4/4
Indexability3/3
C
cemig.com.brcemig.com.br

Cemig

No description available for this page.

Title Length5 chars

Recommended: 50-60 chars (~31px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

  • • Missing meta description — important for click-through rates in SERPs
  • • Missing H1 tag — every page should have exactly one H1

9 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

20 URLs

20 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

10/100
Poor
3 13 1

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

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AI & LLM Readiness

D46/100
Bot Access
20/25
Machine Read.
10/25
Schema Data
4/25
Citation
12/25

AI Bot Access

14/14 accessible
AI Search
OAI-SearchBot
PerplexityBot
Claude-SearchBot
Gemini-Deep-Research
DuckAssistBot
Training
GPTBot
ClaudeBot
Google-Extended
Meta-ExternalAgent
Bytespiderinfo
Amazonbot
Applebot-Extended
CCBotinfo
Fetch
ChatGPT-User

Machine Readability

llms.txt
llms-full.txt
Semantic HTML
Heading Hierarchy
nav
Text ratio:4%
Words:1,046
Token eff.:Optimal
Sections/1K:15.3
Depth:1/5

Structured Data

3 JSON-LD
WebSiteBreadcrumbListSearchAction

Citation Readiness

Opening Summary173w
Descriptive Headingsavg 4.6w
Canonical URL
Open Graph1/3
Twitter Card1/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (10)
AI readiness recommendation preview...
Upgrade to view recommendations

Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
B
77/100
12
Passed
3
Critical
1
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
11/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
15/15
Verifies form fields have labels, error messages are clear, and inputs are properly associated.
Color & Contrast
15/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
11/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
5/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
3 recommendations
  • •Accessibility recommendation preview...
Upgrade to view recommendations

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
38/100
F
583 mg
CO₂e / view
5.6 MB
Page Weight
5%
Cleaner Than
New Visitor
667 mg
vs
Returning (cached)
333 mg
Annual (10K/mo)
70.0 kg
Emission Segments
Data Center
29 mg
Network
171 mg
Device
383 mg
Resource Breakdown
JavaScript
456.8 KB
Images
4.1 MB
CSS
944.8 KB
HTML
158.8 KB
Green Hosting Verified
Microsoft Azure
Provider Match
6 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
A+

Security Score

92%Excellent
Interactive

HTTPS

No WAF

254d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Valid Certificadora Digital LTDA

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

16.12.2025

Valid Until

16.01.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.cemig.com.brcemig.com.br

SHA-256 Fingerprint

44:7E:F2:3E:5C:43:0D:66:1F:EB:4A:C5:1B:11:FC:A6:CE:86:EF:CA...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations
Upgrade to view header details

HTTP Headers

Developer Console

cache-control
🔵 1 Days(public, must-revalidate, max-age=86400)
content-security-policy
default-src 'self' 'unsafe-inline' *.disqus.com https://disq...
content-type
text/html; charset=UTF-8
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
same-origin
date
Thu, 07 May 2026 10:05:36 GMT
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

98

SPF
DKIM
DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

cemig-com-br.mail.protection.outlook.com

Domain Information

cemig.com.br

Domain Age
30y 9m

Created

17.08.1995

Expires

17.08.2028

Last Updated

20.12.2023

DNSSEC
Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner
OneTrust
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: OneTrust

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
B
77/100
Mobile Friendly25 breakpoints
Viewport Meta
The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
Responsive Design
Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
Touch Icons
Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
Readable Font Size
Base font size should be at least 16px on mobile to ensure text is readable without zooming.
Relative Units
Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
No H-Scroll Risk
No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
Tap Targets OK
Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
No Fixed Widths
No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
Viewport
width=device-width, initial-scale=1.0, maximum-scale=5, user-scalable=yes
1 recommendation
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Open Sans

WCAG Partial
59/100
Readability
/30
23/30

16px · LH 1.50

Hierarchy
/20
6/20
WCAG
/25
10/25

1:1 min contrast

Performance
/25
20/25

System fonts

Heading Font

Open Sans

Sans

Body Font

Open Sans

Sans16px

Contrast Ratio

1:1

16 issues

Reading Comfort

~54 CPL

Optimal (45–75)
32px
h2
22px
h3
16px
p

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

✅ Optimal line length: ~54 chars/line (ideal 45–75 CPL).

❌ Very complex text: Flesch score 21/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 16 elements below WCAG AA threshold (min 1.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

Buy on MyFontsFlesch 21

Color Palette

8 unique colors
Light
#ffffff
Background· 56.50000000000001%
#f4e1b6
Primary· 23.499999999999996%
#513e32
Secondary· 6.4%
#4f6853
Secondary· 4.3%
#e5eade
Secondary· 4.2%
#b3bfb0
Border· 3.8%
#dbfc95
Accent· 1.1%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

2
Google AnalyticsFree
HotjarMid-Market

User behavior and product analytics

Privacy & Cookies

1
OneTrustEnterprise

Cookie consent and privacy compliance tools

2

Categories

3

Total Tools

1

Enterprise

1

Mid-Market

Assessment: Well-developed marketing technology stack

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Scripts & Styles

24 Resources

14
Scripts
10
Styles
4
Async
0
Defer

Top Script Sources

cemig.com.br(8)cdn.cookielaw.org(2)googletagmanager.com(1)static.hotjar.com(1)script.hotjar.com(1)

Website Identity

Cemig

www.cemig.com.br/
30 years old
Location detected: 🇧🇷 Brazilvia tld
📧 Microsoft 365pt-BR

Sponsored

Last analyzed: 07 May 2026 at 10:06

Historical Analysis & Change Tracking