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SGSiteGraph

linux.do

Just a moment...

Last scanned Jul 25, 2026, 10:25 PM · 2 views

74

Overall score

Fair

Summary

This website is hosted on Cloudflare. SEO is fair (55/100) and accessibility is fair (50/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

United States
Hosted on Cloudflare

Top issues to fix

9 issues found · 4 high priority

  • 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.

  • 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.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+3 more issues — details in the sections below.

55

SEO

6 issue(s) found

100

Performance

6 ms

90

Security

HTTPS & header checks

50

Accessibility

3 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
Just a moment...
Description
Canonical
Language
Charset
utf-8
Viewport
width=device-width, initial-scale=1
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.

No technologies detected.

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
172.66.166.61
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 172.66.166.61
  • 104.20.16.234
AAAA
  • 2606:4700:10::ac42:a63d
  • 2606:4700:10::6814:10ea
MX
  • mail.linux.do
  • mail.linuxdo.org
TXT
  • google-site-verification=dXFnJHavazXf0Czwwn70iSIW1U26O7ZrGWiuPFY5RL4
  • v=spf1 include:_spf.smtp.do a:mail.linux.do -all
  • stripe-verification=d86ad55b4aeb3926892d8b9bbd8f89af18cc0a5d2aaaa45c4a931a644c047d07
NS
  • dahlia.ns.cloudflare.com
  • marek.ns.cloudflare.com
CAA
  • 0 issuewild "ssl.com"
  • 0 issue "ssl.com"
  • 0 issue "comodoca.com"
  • 0 issue "pki.goog; cansignhttpexchanges=yes"
  • 0 issuewild "comodoca.com"
  • 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  • 0 issue "digicert.com; cansignhttpexchanges=yes"
  • 0 issuewild "letsencrypt.org"
  • 0 issuewild "digicert.com; cansignhttpexchanges=yes"
  • 0 issue "letsencrypt.org"
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
linux.do
Valid from
Jul 5, 2026
Valid to
Oct 3, 2026
Days until expiry
69
SAN domains
linux.do

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyEnabled

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

1 total · 1 missing alt

Scripts / Styles

1 scripts · 0 stylesheets

JS / CSS size

2.9 KB · 1.7 KB

Page size

6.7 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
9
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

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

Accessibility issues

  • Over half of images are missing alt text
  • No H1 heading found
  • Missing <html lang> attribute

Scan details

Requested URL
https://linux.do
Final URL
https://linux.do
HTTP status
403
HTTP version
HTTP/2
Response time
6 ms
HTML size
6.7 KB
Redirect chain
https://linux.do

See something wrong on this report? Request a correction

Frequently asked questions

What technology does linux.do use?
We did not detect any specific technologies for linux.do in the latest scan.
Is linux.do secure (HTTPS)?
Yes. linux.do uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 3, 2026.
Who hosts linux.do?
linux.do is hosted on Cloudflare, behind Cloudflare CDN.
What is linux.do's SEO score?
linux.do scored 55/100 for SEO in the latest analysis (fair).
What is linux.do's overall website score?
linux.do has an overall SiteGraph score of 74/100, combining SEO, performance, security, and accessibility.