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SGSiteGraph

github.io

GitHub Pages | Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.

Last scanned Jul 29, 2026, 11:00 AM · 36 views

84

Overall score

Great

Summary

Websites for you and your projects, hosted directly from your GitHub repository. This website uses jQuery behind Fastly CDN. SEO is good (80/100) and accessibility is excellent (95/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.

Top issues to fix

10 issues found · 3 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 viewport meta tag

    Accessibility

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

  • Missing X-Content-Type-Options header

    Security

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

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

+4 more issues — details in the sections below.

80

SEO

4 issue(s) found

100

Performance

6 ms

65

Security

HTTPS & header checks

95

Accessibility

1 issue(s) found

Score history

-3 overall since Jul 15, 2026

Overall
84
SEO
80
Security
65
Performance
100
Accessibility
95

Organization

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

Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.

GitHubGitHubGitHub

Meta tags

Title
GitHub Pages | Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.
Description
Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.
Canonical
https://pages.github.com/
Language
en
Charset
utf-8
Viewport
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
GitHub Pages
og:description
Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.
og:type
website
og:url
https://pages.github.com/

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

jQuery

Hosting & CDN

Hosting provider
—
CDN provider
Fastly
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
*.github.io
Valid from
Jun 4, 2026
Valid to
Sep 2, 2026
Days until expiry
35
SAN domains
*.github.com, *.github.io, *.githubusercontent.com, github.com, github.io, githubusercontent.com

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 3 · H2 2 · H3 0

Links

1 internal · 20 external · 20 broken

Images

13 total · 0 missing alt

Scripts / Styles

3 scripts · 1 stylesheets

JS / CSS size

284 B · 0 B

Page size

14.1 KB

Robots.txt & Sitemap

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

SEO issues

  • Title longer than 60 characters
  • Multiple H1 headings found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • Missing viewport meta tag

Scan details

Requested URL
https://github.io
Final URL
https://pages.github.com/
HTTP status
200
HTTP version
HTTP/2
Response time
6 ms
HTML size
14.1 KB
Redirect chain
https://github.io → https://pages.github.com/

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Frequently asked questions

What technology does github.io use?
github.io is built with jQuery.
Is github.io secure (HTTPS)?
Yes. github.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 2, 2026.
Who hosts github.io?
Hosting provider information for github.io is not available yet.
What is github.io's SEO score?
github.io scored 80/100 for SEO in the latest analysis (great).
What is github.io's overall website score?
github.io has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
Has github.io's score changed over time?
github.io's overall score has declined by 3 points (from 87 to 84) since Jul 15, 2026.