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properOG

Get your OG proper.

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github.com favicon

github.com

A

SaaS · 91/100 · Proper. This is how it's done. · Checked Sep 10, 2026

A glowing butterfly on the mascot's nose. Enterprise software rendered as a bedtime story

GitHub · Change is constant. GitHub keeps you ahead.

Design DNA

Category
SaaSdarkfull-bleed
Patterns
gradient-bgbold-typographyillustrationdark-theme
Type
Geometric Sans-Serif
PaletteVivid cool tones
Design DNA
Turn github.com’s design into your OG
Unlock all prompts
  • Full color system with hex codes and harmonies
  • Typography breakdown with role mapping
  • Layout, patterns, and recreation steps
  • One mega-prompt that has everything

Platform fit

OKFacebook / LinkedIn / Discord(1200×630)
OKX / Twitter (Large Card)(1200×628)
INFOX / Twitter (Summary)(120×120)
OKWhatsApp / iMessage(~300×157)
OKSlack(~200×105)
OKChatGPT(~400px wide)
INFOGoogle Search(N/A)
INFOText legibility(Design tip)
GitHub · Change is constant. GitHub keeps you ahead.

github.com

GitHub · Change is constant. GitHub keeps you ahead.

StatusPerfect fit for summary_large_image
SizeRecommended 1200×628, min 300×157
CropCenter-crops to 2:1. summary_large_image shows full width, summary crops to 120x120 square.
CacheX caches aggressively. New cards may take minutes to appear. Adding ?v=2 to the URL can force a refresh.
DebugCard Validator was deprecated in 2022. Post a tweet with the URL to preview, or use properOG checker.

Under the hood

URL
https://github.com
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://pub-32084146667c4935ad1a542ab5a6ab20.r2.dev/og-history/github.com/4362e0f40c55899efa413782.png
Dimensions
1200×630
File size
604KB
Industry
SaaS
Color mode
dark
Layout
full-bleed
Categories
saas
Tags
dark-mode
Favicon
https://github.githubassets.com/favicons/favicon.svg

Score breakdown

+
OG Image

Has og:image tag

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

+
Image loads

og:image resolves (HTTP 200)

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

+
Dimensions

1200×630, 1.90:1 ratio. Ideal

+
Title

Perfect length (52 chars). Won't truncate anywhere

GitHub · Change is constant. GitHub keeps you ahead.

!
Description

Will be truncated (186 chars). Front-load the value

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:type

og:type = object

!
File size

604KB. Consider compressing under 500KB

+
Twitter card

twitter:card = summary_large_image

!
Image format

PNG. Consider WebP for 30-50% smaller files

+
Title uniqueness

Title is differentiated from domain and page title

+
Description quality

Description reads naturally

+
Favicon

SVG favicon. Crisp at all sizes

Quality Profile

Image: 93/100, Meta: 92/100, Platforms: 100/100, Perf: 67/100, Design: 90/100, Type: 55/100AImageMetaPlatformsPerfDesignType

AI analysis

Strengths

  • +Strong brand recognition with the GitHub logo and stylized Octocat illustration.
  • +Clear, concise, and impactful message that aligns with GitHub's collaborative mission.
  • +Excellent readability due to high contrast white text on a dark, gradient background.

Improvements

  • →Optimize image file size (604KB is large for an OG image) by using more efficient compression or a modern format like WebP.
  • →Enhance the image format; if currently PNG, consider converting to WebP or a highly optimized JPG for better performance.
  • →While visually appealing, the illustration could be more dynamically integrated with the text or have a clearer narrative focus.
↗

Takeaway

Combine bold, readable typography with a unique, on-brand illustration to create a memorable and engaging visual identity that reinforces your brand's core message.

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