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SGSiteGraph

superuser.com

Super User

Last scanned Jul 24, 2026, 6:27 PM · 1 view

93

Overall score

Excellent

Summary

Q&A for computer enthusiasts and power users. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.

Q&A for computer enthusiasts and power users

United States
Hosted on Cloudflare

Top issues to fix

5 issues found · 1 high priority

  • Missing Strict-Transport-Security header

    Security

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

  • 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.

  • 17 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

85

SEO

3 issue(s) found

100

Performance

6 ms

90

Security

HTTPS & header checks

100

Accessibility

0 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.

Organization

Company details published in this site's own structured data.

Q&A for computer enthusiasts and power users

FacebookX (Twitter)LinkedInInstagram

Meta tags

Title
Super User
Description
Q&A for computer enthusiasts and power users
Canonical
https://superuser.com/
Language
en
Charset
Viewport
width=device-width, height=device-height, initial-scale=1.0, minimum-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Super User
og:description
Q&A for computer enthusiasts and power users
og:type
website
og:url
https://superuser.com/

Twitter Card

twitter:card
summary
twitter:title
Super User
twitter:description
Q&A for computer enthusiasts and power users

Technologies

Detected frameworks, languages, and tools.

SveltejQueryGoogle AnalyticsGoogle Ads

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
198.252.206.1
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 198.252.206.1
AAAA—
MX—
TXT
  • v=spf1 -all
  • google-site-verification=OAR5h64bEL-kZpeYBCVWJxGxl7P1TjmSzebVXD0J5to
NS
  • damian.ns.cloudflare.com
  • sureena.ns.cloudflare.com
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
superuser.com
Valid from
Jun 5, 2026
Valid to
Sep 3, 2026
Days until expiry
40
SAN domains
superuser.com

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 4 · H2 0 · H3 17

Links

98 internal · 64 external · 17 broken

Images

16 total · 0 missing alt

Scripts / Styles

55 scripts · 4 stylesheets

JS / CSS size

862 KB · 80.0 KB

Page size

5.3 KB

Robots.txt & Sitemap

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

SEO issues

  • Multiple H1 headings found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://superuser.com
Final URL
https://superuser.com
HTTP status
403
HTTP version
HTTP/2
Response time
6 ms
HTML size
5.3 KB
Redirect chain
https://superuser.com

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does superuser.com use?
superuser.com is built with Svelte, jQuery, Google Analytics, Google Ads.
Is superuser.com secure (HTTPS)?
Yes. superuser.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 3, 2026.
Who hosts superuser.com?
superuser.com is hosted on Cloudflare, behind Cloudflare CDN.
What is superuser.com's SEO score?
superuser.com scored 85/100 for SEO in the latest analysis (great).
What is superuser.com's overall website score?
superuser.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.