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SGSiteGraph

archive.ubuntu.com

Index of /

Last scanned Jul 23, 2026, 12:53 PM

76

Overall score

Fair

Summary

This website uses Apache hosted on CANONICAL-AS - Canonical Group Limited, GB. SEO is fair (60/100) and accessibility is good (85/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.

United Kingdom
Hosted on CANONICAL-AS - Canonical Group Limited, GB

Top issues to fix

13 issues found · 4 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • Missing viewport meta tag

    Accessibility

    Add <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.

  • TLS certificate expires in 19 days

    Security

    Renew soon or enable auto-renewal to avoid a browser-warning outage.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

+7 more issues — details in the sections below.

60

SEO

6 issue(s) found

100

Performance

162 ms

65

Security

HTTPS & header checks

85

Accessibility

2 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
Index of /
Description
Canonical
Language
Charset
Viewport
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

CDN provider
—
IP address
91.189.91.81
ASN
AS41231 (CANONICAL-AS - Canonical Group Limited, GB)

DNS records

TypeValue
A
  • 91.189.91.81
  • 185.125.190.82
  • 185.125.190.81
  • 91.189.91.83
  • 91.189.92.22
  • 91.189.92.24
  • 185.125.190.83
  • 91.189.92.23
  • 91.189.91.82
AAAA
  • 2a06:bc80:0:1000::16
  • 2a06:bc80:0:1000::18
  • 2620:2d:4000:1::103
  • 2620:2d:4000:1::101
  • 2a06:bc80:0:1000::17
  • 2620:2d:4002:1::103
  • 2620:2d:4002:1::101
  • 2620:2d:4000:1::102
  • 2620:2d:4002:1::102
MX—
TXT—
NS—
CAA
  • 0 issue "letsencrypt.org"
  • 0 issuewild "letsencrypt.org"
  • 0 issue "digicert.com"
  • 0 issuewild "digicert.com"
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
archive.ubuntu.com
Valid from
May 14, 2026
Valid to
Aug 12, 2026
Days until expiry
19
SAN domains
*.archive.ubuntu.com, *.archive.ubuntulinux.org, archive.ubuntu.com, archive.ubuntulinux.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

4 internal · 0 external · 0 broken

Images

2 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 0 B

Page size

697 B

Robots.txt & Sitemap

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

SEO issues

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

Accessibility issues

  • Missing <html lang> attribute
  • Missing viewport meta tag

Scan details

Requested URL
https://archive.ubuntu.com
Final URL
https://archive.ubuntu.com
HTTP status
200
HTTP version
HTTP/1.1
Response time
162 ms
HTML size
697 B
Redirect chain
https://archive.ubuntu.com

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does archive.ubuntu.com use?
archive.ubuntu.com is built with Apache.
Is archive.ubuntu.com secure (HTTPS)?
Yes. archive.ubuntu.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 12, 2026.
Who hosts archive.ubuntu.com?
archive.ubuntu.com is hosted on CANONICAL-AS - Canonical Group Limited, GB.
What is archive.ubuntu.com's SEO score?
archive.ubuntu.com scored 60/100 for SEO in the latest analysis (fair).
What is archive.ubuntu.com's overall website score?
archive.ubuntu.com has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.