mdn2.netlify.app
Registered
Page analyze update date:
2026/05/28 22:52:14
Last whois update date:
2026/03/16 06:00:37
Domain Status
Registered
×
![Fullscreen website screenshot]()
mdn2.netlify.app Website screenshot
SEO Score
76.71%
112
Score achieved
146
Maximum score
Main Information
Title: MDN Web Docs
Description: The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.
Keywords: empty
Page Encoding:
utf-8
Page Filesize: 24 KB
Server Information
IP: 63.176.8.218
Location: Germany,DE,Frankfurt am Main,60313,50.1169,8.6837,Europe/Berlin
Http Server: netlify
Encoding: utf-8
Meta Tags List
- charset: utf-8
- name: viewport content: width=device-width,initial-scale=1
- name: theme-color content: #ffffff
- name: description content: The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.
- property: og:url content: https://developer.mozilla.org
- property: og:title content: MDN Web Docs
- property: og:description content: The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.
- property: og:locale content: en-US
- property: og:image content: https://developer.mozilla.org/mdn-social-share.0ca9dbda.png
- property: twitter:card content: summary_large_image
Internal Links
External Links
Whois Information
update_date: of
update_time:
Robots.txt
User-agent: *
Sitemap: https://developer.mozilla.org/sitemap.xml
Disallow: /api/
Disallow: /*/files/
Disallow: /media
Disallow: /de/search
Disallow: /en-US/search
Disallow: /es/search
Disallow: /fr/search
Disallow: /ja/search
Disallow: /ko/search
Disallow: /pl/search
Disallow: /pt-BR/search
Disallow: /ru/search
Disallow: /zh-CN/search
Disallow: /zh-TW/search
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
25186 bytes
Page size acceptable for fast loading.
✓
Resources
10 total
Optimal number of resources.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
✓
Robots.txt
Exists
Robots.txt file found.
✓
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
br
Enable gzip or zstd compression to reduce file sizes.
✓
Caching
public,max-age=0,must-revalidate
Cache-control headers properly set.
✓
Page Speed
1.20 ms
Excellent loading speed.
On-Page SEO
!
Title
MDN Web Docs
Title too short. Expand to 30-60 characters for better SEO.
✓
Meta Description
The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps. Lenght:145
Good meta description length (100-160 characters).
✓
H1 Heading
1 found - "Resources for developers, by developers."
Good - single H1 heading found.
!
Word Count
306
Content somewhat short. Expand to 500+ words for optimal SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
empty
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
✓
Images
0 total, 0 missing ALT
All images have proper ALT text.
✓
Viewport
width=device-width,initial-scale=1
Viewport meta tag properly set for mobile devices.
✓
Open Graph
All OG tags present.
All essential OpenGraph tags present.
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 9 | /en-us/docs/web/http... | ||
| 19 | /en-us/docs/web/html... | ||
| 28 | /en-us/docs/web/html... |
Positions in Yandex
Search Phrases - Yandex
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 2 | /en-us/docs/web/http... |