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SGSiteGraph

stackage.org

Stackage Server

Last scanned Jul 26, 2026, 5:17 AM · 1 view

66

Overall score

Fair

Summary

This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (60/100) and accessibility is fair (60/100). Security scores fair (65/100) and performance good (80/100). Top issue: Missing meta description.

United States
Hosted on Cloudflare

Top issues to fix

12 issues found · 6 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.

  • 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.

  • Slow estimated load (5.0s)

    Performance

    Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.

+6 more issues — details in the sections below.

60

SEO

5 issue(s) found

80

Performance

5.00 s

65

Security

HTTPS & header checks

60

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
Stackage Server
Description
Canonical
Language
en
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
summary
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Google AnalyticsCloudflare Analytics

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
104.21.38.83
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 104.21.38.83
  • 172.67.220.197
AAAA
  • 2606:4700:3036::6815:2653
  • 2606:4700:3035::ac43:dcc5
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
stackage.org
Valid from
Jul 23, 2026
Valid to
Oct 21, 2026
Days until expiry
86
SAN domains
stackage.org, *.stackage.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 0 · H2 0 · H3 4

Links

44 internal · 9 external · 2 broken

Images

2 total · 2 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

31.1 KB · 885 B

Page size

11.2 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Found
URLs in sitemap
8

SEO issues

  • Missing meta description
  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

Accessibility issues

  • Over half of images are missing alt text
  • No H1 heading found

Scan details

Requested URL
https://stackage.org
Final URL
https://www.stackage.org/
HTTP status
200
HTTP version
HTTP/2
Response time
5.00 s
HTML size
11.2 KB
Redirect chain
https://stackage.org → https://www.stackage.org/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does stackage.org use?
stackage.org is built with Google Analytics, Cloudflare Analytics.
Is stackage.org secure (HTTPS)?
Yes. stackage.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 21, 2026.
Who hosts stackage.org?
stackage.org is hosted on Cloudflare, behind Cloudflare CDN.
What is stackage.org's SEO score?
stackage.org scored 60/100 for SEO in the latest analysis (fair).
What is stackage.org's overall website score?
stackage.org has an overall SiteGraph score of 66/100, combining SEO, performance, security, and accessibility.