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SGSiteGraph

mui.com

MUI: The React component library you always wanted

Last scanned Aug 5, 2026, 5:00 PM · 14 views

93

Overall score

Excellent

Summary

MUI provides a simple, customizable, and accessible library of React components. This website uses Next.js behind Netlify CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (85/100). Top issue: robots.txt not found.

MUI

MUI provides a simple, customizable, and accessible library of React components. Follow your own design system, or start with Material Design.

Top issues to fix

3 issues found

  • 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.

  • 1 broken link on the page

    SEO

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

90

SEO

2 issue(s) found

85

Performance

76 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-2 overall since Jul 26, 2026

Overall
93
SEO
90
Security
100
Performance
85
Accessibility
100

Organization

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

MUI

MUI provides a simple, customizable, and accessible library of React components. Follow your own design system, or start with Material Design.

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
MUI: The React component library you always wanted
Description
MUI provides a simple, customizable, and accessible library of React components. Follow your own design system, or start with Material Design.
Canonical
https://mui.com/
Language
en
Charset
utf-8
Viewport
initial-scale=1, width=device-width
Robots meta
Manifest
https://mui.com/static/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
MUI: The React component library you always wanted
og:description
MUI provides a simple, customizable, and accessible library of React components. Follow your own design system, or start with Material Design.
og:type
website
og:url
https://mui.com/

Twitter Card

twitter:card
summary_large_image
twitter:title
MUI: The React component library you always wanted
twitter:description
MUI provides a simple, customizable, and accessible library of React components. Follow your own design system, or start with Material Design.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Netlify
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
mui.com
Valid from
Jul 4, 2026
Valid to
Oct 2, 2026
Days until expiry
57
SAN domains
*.mui.com, mui.com

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 11 · H3 10

Links

26 internal · 16 external · 1 broken

Images

17 total · 0 missing alt

Scripts / Styles

28 scripts · 3 stylesheets

JS / CSS size

1.2 MB · 198 KB

Page size

228 KB

Robots.txt & Sitemap

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

SEO issues

  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://mui.com
Final URL
https://mui.com
HTTP status
200
HTTP version
HTTP/2
Response time
72 ms
HTML size
228 KB
Redirect chain
https://mui.com

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Frequently asked questions

What technology does mui.com use?
mui.com is built with Next.js, Google Analytics.
Is mui.com secure (HTTPS)?
Yes. mui.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 2, 2026.
Who hosts mui.com?
Hosting provider information for mui.com is not available yet.
What is mui.com's SEO score?
mui.com scored 90/100 for SEO in the latest analysis (excellent).
What is mui.com's overall website score?
mui.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
What company operates mui.com?
mui.com is operated by MUI. MUI provides a simple, customizable, and accessible library of React components. Follow your own design system, or start with Material Design.
Has mui.com's score changed over time?
mui.com's overall score has declined by 2 points (from 95 to 93) since Jul 26, 2026.