mui.com
MUI: The React component library you always wanted
Last scanned Aug 5, 2026, 5:00 PM · 14 views
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
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
76 ms
Security
HTTPS & header checks
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
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Netlify
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
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
See something wrong on this report? Request a correction
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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.
OpenGraph & Twitter Card
OpenGraph
Twitter Card