Source: https://seerepo.com/compare/bluesky-social/social-app/vs/GoogleChrome/lighthouse
Markdown source: https://seerepo.com/compare/bluesky-social/social-app/vs/GoogleChrome/lighthouse.md
Description: social-app and lighthouse share 3 technologies: idb-keyval, Sentry, and Preact. social-app is written in TypeScript and lighthouse in JavaScript.

# social-app vs lighthouse

social-app and lighthouse share 3 technologies: idb-keyval, Sentry, and Preact. social-app is written in TypeScript and lighthouse in JavaScript.

- [bluesky-social/social-app](https://seerepo.com/r/bluesky-social/social-app): The Bluesky Social application for Web, iOS, and Android
- [GoogleChrome/lighthouse](https://seerepo.com/r/GoogleChrome/lighthouse): Automated auditing, performance metrics, and best practices for the web.

## What they share and what sets them apart

- In common: idb-keyval, Sentry, Preact
- Only in social-app: react-native, React, react-navigation, Expo, react-native-web, Echo, @react-native-async-storage/async-storage, react-native-mmkv, expo-modules-core, Express, lru-cache, Postgres, com.facebook.react:react-native, expo-font, react-native-reanimated, expo-image, react-native-safe-area-context, expo-linear-gradient, react-native-gesture-handler, react-native-svg, react-native-keyboard-controller, emoji-mart, expo-blur, @expo/ui, react-native-drawer-layout, react-native-pager-view, tiptap, expo-splash-screen, sonner-native, expo-camera, expo-glass-effect, expo-navigation-bar, expo-status-bar, expo-system-ui, expo-video, react-native-webview, react-responsive, sonner, @floating-ui/react-dom, react-hotkeys-hook, react-image-crop, react-native-screens, tippy.js, jwt-decode, lande, expo-image-picker, expo-media-library, expo-image-manipulator, @braintree/sanitize-url, mediabunny, Zod, expo-updates, github.com/ipfs/go-log, Prometheus, Tailwind CSS, kysely, escape-html, prom-client, pino, twemoji, satori, @resvg/resvg-js, Google, androidx.appcompat:appcompat, Glide
- Only in lighthouse: Firebase, enquirer

## Side by side

| | social-app | lighthouse |
|---|---|---|
| Size | 336,218 lines written, 2,109 code files | 142,901 lines written, 419 code files |
| Who writes it | 4.1% of its commits signed by AI. With Claude Code and GitHub Copilot | 0% of its commits signed by AI |
| Activity | Last push November 6, 2026, 8,268 commits, 18,380 stars | Last push November 6, 2026, 6,448 commits, 31,026 stars |
| Tests | 220 test files. 12.2% of its code files have a test that imports them | 506 test files. 65.9% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, social-app or lighthouse?

social-app, with 336,218 lines written; lighthouse has 142,901.

The proof: [bluesky-social/social-app's code at commit 1ff1973](https://github.com/bluesky-social/social-app/tree/1ff197301c153d7ced43ea7ed66bee311f5e6bb5)

### Which has more GitHub stars, social-app or lighthouse?

lighthouse, with 31,026 stars; social-app has 18,380.

The proof: [GoogleChrome/lighthouse on GitHub](https://github.com/GoogleChrome/lighthouse)

### Which has more tests, social-app or lighthouse?

lighthouse, with 506 test files; social-app has 220.

The proof: [GoogleChrome/lighthouse's code at commit ea58ed1](https://github.com/GoogleChrome/lighthouse/tree/ea58ed1fd36cb8378a4080dbcb41cdc0e5a581b2)

### Which was updated more recently, social-app or lighthouse?

Both got their last push on November 6, 2026.

The proof: [bluesky-social/social-app's commits on GitHub](https://github.com/bluesky-social/social-app/commits)

### Which has more commits signed by AI, social-app or lighthouse?

social-app: an AI signed 4.1% of its commits, with Claude Code and GitHub Copilot.

The proof: [the commits each tool signed in bluesky-social/social-app](https://seerepo.com/r/bluesky-social/social-app/ai)

## Sources

- bluesky-social/social-app: Read on November 6, 2026, at commit 1ff1973 (https://github.com/bluesky-social/social-app/tree/1ff197301c153d7ced43ea7ed66bee311f5e6bb5)
- GoogleChrome/lighthouse: Read on November 7, 2026, at commit ea58ed1 (https://github.com/GoogleChrome/lighthouse/tree/ea58ed1fd36cb8378a4080dbcb41cdc0e5a581b2)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.