What technology does en.wikipedia.org use?

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

Is en.wikipedia.org secure (HTTPS)?

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

Who hosts en.wikipedia.org?

Hosting provider information for en.wikipedia.org is not available yet.

What is en.wikipedia.org's SEO score?

en.wikipedia.org scored 75/100 for SEO in the latest analysis (fair).

What is en.wikipedia.org's overall website score?

en.wikipedia.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

Has en.wikipedia.org's score changed over time?

en.wikipedia.org's overall score has improved by 1 point (from 89 to 90) since Jul 23, 2026.

en.wikipedia.org

Wikipedia, the free encyclopedia

Last scanned Jul 30, 2026, 7:00 PM · 7 views

Overall score

Excellent

Summary

SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

7 issues found · 1 high priority

Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
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 more issue — details in the sections below.

SEO

4 issue(s) found

100

Performance

122 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+1 overall since Jul 23, 2026

Overall: 90
SEO: 75
Security: 90
Performance: 100
Accessibility: 100

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: —
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: *.wikipedia.org
Valid from: Jun 6, 2026
Valid to: Sep 4, 2026
Days until expiry: 36
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-PolicyEnabled
X-Frame-OptionsMissing
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 6 cookie(s) observed

Content & assets

Headings

H1 2 · H2 8 · H3 0

Links

168 internal · 456 external · 20 broken

Images

22 total · 0 missing alt

Scripts / Styles

4 scripts · 2 stylesheets

JS / CSS size

5.8 KB · 9.5 KB

Page size

245 KB

Robots.txt & Sitemap

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

SEO issues

Missing meta description
Multiple H1 headings found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://en.wikipedia.org
Final URL: https://en.wikipedia.org/wiki/Main_Page
HTTP status: 200
HTTP version: HTTP/2
Response time: 117 ms
HTML size: 245 KB
Redirect chain: https://en.wikipedia.org → https://en.wikipedia.org/wiki/Main_Page

See something wrong on this report? Request a correction

Frequently asked questions

What technology does en.wikipedia.org use?: We did not detect any specific technologies for en.wikipedia.org in the latest scan.
Is en.wikipedia.org secure (HTTPS)?: Yes. en.wikipedia.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 4, 2026.
Who hosts en.wikipedia.org?: Hosting provider information for en.wikipedia.org is not available yet.
What is en.wikipedia.org's SEO score?: en.wikipedia.org scored 75/100 for SEO in the latest analysis (fair).
What is en.wikipedia.org's overall website score?: en.wikipedia.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
Has en.wikipedia.org's score changed over time?: en.wikipedia.org's overall score has improved by 1 point (from 89 to 90) since Jul 23, 2026.