Site Report · developer-tools

Last updated: May 12, 2026

GitHub Site Report

GitHub operates in the Developer-tools sector, running a custom-built platform behind an undisclosed server. The technology fingerprint includes a minimal technology footprint, and performance benchmarks show moderate load times (approximately 774 ms server response). Read on for a comprehensive look at GitHub's tech stack, SSL status, DNS configuration, and speed metrics.

github.com

Full size ↗

Technology Stack

Technologies detected on GitHub

No specific technologies were detected during our scan. The site may use custom or obfuscated technology that is not easily fingerprinted.

No technologies detected for this domain.

SSL Certificate

Security status for GitHub

The SSL certificate is valid and issued by Sectigo Limited. It expires on August 2, 2026 (82 days remaining). The connection uses TLSv1.3.

Status

Valid

Issuer

Sectigo Limited

Expires

Aug 02, 2026

82 days remaining

Protocol

TLSv1.3

DNS Information

Domain name system records for GitHub

Nameservers

dns1.p08.nsone.net

dns2.p08.nsone.net

dns3.p08.nsone.net

dns4.p08.nsone.net

ns-1283.awsdns-32.org

ns-1707.awsdns-21.co.uk

ns-421.awsdns-52.com

ns-520.awsdns-01.net

A Records

140.82.121.4

MX Records

github-com.mail.protection.outlook.com

SPF Record

Present

DMARC Record

Present

Speed & Performance

Page load performance for GitHub

The site has an acceptable load time, though there is room for improvement. Our analysis measured a server response time of 774 ms, a total page size of approximately 556 KB, and 122 external resources loaded on the page.

Rating

medium

Response Time

774 ms

Page Size

556 KB

Resources

122 requests

SEO Meta Tags

Meta tag analysis for GitHub

The page title ("GitHub · Change is constant. GitHub keeps you ahe…") is 61 characters long, which may be truncated in search results, the meta description is 186 characters, which may be truncated by search engines, Open Graph tags are fully configured for social sharing, and a canonical URL is properly set.

Title Tag

61 chars

GitHub · Change is constant. GitHub keeps you ahead. · GitHub

Meta Description

186 chars

Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

Open Graph Tags

og:title GitHub · Change is constant. GitHub keeps you ahead.

og:description Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

og:image https://images.ctfassets.net/8aevphvgewt8/4pe4eOtUJ0ARpZRE4fNekf/f52b1f9c52f059a33170229883731ed0/GH-Homepage-Universe-img.png

Canonical URL

https://github.com

Mobile Friendliness

Mobile compatibility for GitHub

Overall

Mobile Friendly

Viewport Meta

Present

Responsive Design

Detected

Quick Overview

HTTP Status 200

Response Time 774 ms

SSL Valid

Speed medium

Mobile good

Jump to

Monitor GitHub with GoScreenAPI

Track uptime, capture screenshots, and monitor visual changes for github.com — all from a single API. Get started with 250 free screenshots per month.

Start Monitoring Free → View Pricing