github.githubassets.com

Page not found · GitHub

Last scanned Jul 23, 2026, 12:53 PM

75

Overall score

Fair

Summary

This website is hosted on Fastly. SEO is fair (55/100) and accessibility is good (75/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.

United States

Hosted on Fastly

Top issues to fix

12 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.
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.

+6 more issues — details in the sections below.

55

SEO

6 issue(s) found

100

Performance

260 ms

75

Security

HTTPS & header checks

75

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.

Organization

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

GitHub X (Twitter)

Meta tags

Title: Page not found · GitHub
Description
Canonical
Language
Charset: utf-8
Viewport
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: Fastly
CDN provider: Fastly
IP address: 185.199.109.215
ASN: AS54113 (FASTLY - Fastly, Inc., US)

DNS records

Type	Value
A	185.199.109.215 185.199.110.215 185.199.108.215 185.199.111.215
AAAA	2606:50c0:8002::215 2606:50c0:8001::215 2606:50c0:8000::215 2606:50c0:8003::215
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Sectigo Limited
Subject: *.githubassets.com
Valid from: Aug 25, 2025
Valid to: Aug 25, 2026
Days until expiry: 33
SAN domains: *.githubassets.com, githubassets.com

Security headers

Strict-Transport-SecurityEnabled
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 0

Links

1 internal · 3 external · 1 broken

Images

10 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 6.1 KB

Page size

126 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 56
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

Scan details

Requested URL: https://github.githubassets.com
Final URL: https://github.githubassets.com
HTTP status: 404
HTTP version: HTTP/2
Response time: 258 ms
HTML size: 126 KB
Redirect chain: https://github.githubassets.com

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does github.githubassets.com use?: We did not detect any specific technologies for github.githubassets.com in the latest scan.
Is github.githubassets.com secure (HTTPS)?: Yes. github.githubassets.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Aug 25, 2026.
Who hosts github.githubassets.com?: github.githubassets.com is hosted on Fastly, behind Fastly CDN.
What is github.githubassets.com's SEO score?: github.githubassets.com scored 55/100 for SEO in the latest analysis (fair).
What is github.githubassets.com's overall website score?: github.githubassets.com has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.