What technology does wikimedia.org use?

We did not detect any specific technologies for wikimedia.org in the latest scan.

Is wikimedia.org secure (HTTPS)?

Yes. wikimedia.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 4, 2026.

Who hosts wikimedia.org?

wikimedia.org is hosted on WIKIMEDIA - Wikimedia Foundation Inc., US.

What is wikimedia.org's SEO score?

wikimedia.org scored 60/100 for SEO in the latest analysis (fair).

What is wikimedia.org's overall website score?

wikimedia.org has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.

wikimedia.org

Wikimedia

Last scanned Jul 15, 2026, 11:52 AM

Overall score

Great

Top issues to fix

10 issues found · 2 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+4 more issues — details in the sections below.

Summary

The Wikimedia movement is a global community of people, projects, and activities working together to create and share knowledge freely. This website is hosted on WIKIMEDIA - Wikimedia Foundation Inc., US. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.

SEO

6 issue(s) found

100

Performance

130 ms

Security

HTTPS & header checks

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.

Meta tags

Title: Wikimedia
Description: The Wikimedia movement is a global community of people, projects, and activities working together to create and share knowledge freely.
Canonical
Language: en
Charset: utf-8
Viewport: initial-scale=1,user-scalable=yes
Robots meta: index, follow
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: WIKIMEDIA - Wikimedia Foundation Inc., US
CDN provider: —
IP address: 103.102.166.224
ASN: AS14907 (WIKIMEDIA - Wikimedia Foundation Inc., US)

DNS records

Type	Value
A	103.102.166.224
AAAA	2001:df2:e500:ed1a::1
MX	—
TXT	—
NS	—
CAA	—
CNAME	dyna.wikimedia.org
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: *.wikipedia.org
Valid from: Jun 6, 2026
Valid to: Sep 4, 2026
Days until expiry: 51
SAN domains: *.m.mediawiki.org, *.m.wikibooks.org, *.m.wikidata.org, *.m.wikimedia.org, *.m.wikinews.org, *.m.wikipedia.org, *.m.wikiquote.org, *.m.wikisource.org, *.m.wikiversity.org, *.m.wikivoyage.org, *.m.wiktionary.org, *.mediawiki.org, *.planet.wikimedia.org, *.wikibooks.org, *.wikidata.org, *.wikifunctions.org, *.wikimedia.org, *.wikimediafoundation.org, *.wikinews.org, *.wikipedia.org, *.wikiquote.org, *.wikisource.org, *.wikiversity.org, *.wikivoyage.org, *.wiktionary.org, *.wmfusercontent.org, mediawiki.org, w.wiki, wikibooks.org, wikidata.org, wikifunctions.org, wikimedia.org, wikimediafoundation.org, wikinews.org, wikipedia.org, wikiquote.org, wikisource.org, wikiversity.org, wikivoyage.org, wiktionary.org, wmfusercontent.org

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 4 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 21 external · 0 broken

Images

16 total · 1 missing alt

Scripts / Styles

2 scripts · 0 stylesheets

JS / CSS size

7.7 KB · 34.3 KB

Page size

46.6 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://wikimedia.org
Final URL: https://www.wikimedia.org/
HTTP status: 200
HTTP version: HTTP/2
Response time: 130 ms
HTML size: 46.6 KB
Redirect chain: https://wikimedia.org → https://www.wikimedia.org/

Same hosting provider

wikipedia.org

Wikipedia

WIKIMEDIA - Wikimedia Foundation Inc., US

Frequently asked questions

What technology does wikimedia.org use?: We did not detect any specific technologies for wikimedia.org in the latest scan.
Is wikimedia.org secure (HTTPS)?: Yes. wikimedia.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 4, 2026.
Who hosts wikimedia.org?: wikimedia.org is hosted on WIKIMEDIA - Wikimedia Foundation Inc., US.
What is wikimedia.org's SEO score?: wikimedia.org scored 60/100 for SEO in the latest analysis (fair).
What is wikimedia.org's overall website score?: wikimedia.org has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.