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SGSiteGraph

stackexchange.com

Just a moment...

Last scanned Jul 18, 2026, 8:49 PM

86

Overall score

Great

Top issues to fix

7 issues found · 2 high priority

  • Missing Strict-Transport-Security header

    Security

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

  • Missing meta description

    SEO

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

  • 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.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+1 more issue — details in the sections below.

Summary

This website is hosted on Cloudflare. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

60

SEO

6 issue(s) found

100

Performance

7 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.

Meta tags

Title
Just a moment...
Description
Canonical
Language
en-US
Charset
UTF-8
Viewport
width=device-width,initial-scale=1
Robots meta
noindex,nofollow
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
198.252.206.1
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 198.252.206.1
AAAA—
MX
  • alt2.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
TXT
  • lucid-verify-Ru9jD4dmh4XuV3h
  • v=spf1 ip4:52.38.191.241 include:_spf1.stackexchange.com ~all
  • OSGRXZDHB
  • google-site-verification=PbDz-gjfB8Zt-6fgjpPjyh5-Qo2HsJp95qHdq4E0Gvk
NS
  • sureena.ns.cloudflare.com
  • damian.ns.cloudflare.com
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
stackexchange.com
Valid from
Jun 18, 2026
Valid to
Sep 16, 2026
Days until expiry
59
SAN domains
*.meta.stackexchange.com, *.stackexchange.com, stackexchange.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 1 · H2 2 · H3 0

Links

0 internal · 2 external · 0 broken

Images

1 total · 0 missing alt

Scripts / Styles

3 scripts · 0 stylesheets

JS / CSS size

294 KB · 20.4 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

  • 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

No accessibility issues detected.

Scan details

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

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Frequently asked questions

What technology does stackexchange.com use?
We did not detect any specific technologies for stackexchange.com in the latest scan.
Is stackexchange.com secure (HTTPS)?
Yes. stackexchange.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 16, 2026.
Who hosts stackexchange.com?
stackexchange.com is hosted on Cloudflare, behind Cloudflare CDN.
What is stackexchange.com's SEO score?
stackexchange.com scored 60/100 for SEO in the latest analysis (fair).
What is stackexchange.com's overall website score?
stackexchange.com has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.