Source: https://seerepo.com/compare/LadybirdBrowser/ladybird/vs/SeleniumHQ/selenium
Markdown source: https://seerepo.com/compare/LadybirdBrowser/ladybird/vs/SeleniumHQ/selenium.md
Description: ladybird and selenium share 4 technologies: Tokio, cryptography, log, and env_logger. ladybird is written in Rust and selenium in Java.

# ladybird vs selenium

ladybird and selenium share 4 technologies: Tokio, cryptography, log, and env_logger. ladybird is written in Rust and selenium in Java.

- [LadybirdBrowser/ladybird](https://seerepo.com/r/LadybirdBrowser/ladybird): Truly independent web browser
- [SeleniumHQ/selenium](https://seerepo.com/r/SeleniumHQ/selenium): A browser automation framework and ecosystem.

## What they share and what sets them apart

- In common: Tokio, cryptography, log, env_logger
- Only in ladybird: core-ktx, constraintlayout, Google, swiperefreshlayout, androidx.appcompat:appcompat, jxl
- Only in selenium: React, react-router-dom, MCP, Express, alabaster, pydata-sphinx-theme, soupsieve, Rich, keyring, beautifulsoup4, docutils, imagesize, jinja2, markdown-it-py, markupsafe, mdurl, nh3, filetype, infer, zip, rfc3986, System.Diagnostics.DiagnosticSource, logger, MUI, react-modal, @mui/icons-material

## Side by side

| | ladybird | selenium |
|---|---|---|
| Size | 2,309,925 lines written, 1,820 code files | 555,515 lines written, 2,434 code files |
| Who writes it | 0% of its commits signed by AI. With Claude Code | 0.1% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push November 9, 2026, 93,381 commits, 66,990 stars | Last push November 7, 2026, 35,296 commits, 34,577 stars |
| Tests | 23,104 test files. 9.7% of its code files have a test that imports them | 1,371 test files. 44.3% 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, ladybird or selenium?

ladybird, with 2,309,925 lines written; selenium has 555,515.

The proof: [LadybirdBrowser/ladybird's code at commit a8ed157](https://github.com/LadybirdBrowser/ladybird/tree/a8ed1572d4a7ddc60738b9a1b13503549d96b21c)

### Which has more GitHub stars, ladybird or selenium?

ladybird, with 66,990 stars; selenium has 34,577.

The proof: [LadybirdBrowser/ladybird on GitHub](https://github.com/LadybirdBrowser/ladybird)

### Which has more tests, ladybird or selenium?

ladybird, with 23,104 test files; selenium has 1,371.

The proof: [LadybirdBrowser/ladybird's code at commit a8ed157](https://github.com/LadybirdBrowser/ladybird/tree/a8ed1572d4a7ddc60738b9a1b13503549d96b21c)

### Which was updated more recently, ladybird or selenium?

ladybird: its last push was on November 9, 2026, and selenium's on November 7, 2026.

The proof: [LadybirdBrowser/ladybird's commits on GitHub](https://github.com/LadybirdBrowser/ladybird/commits)

### Which has more commits signed by AI, ladybird or selenium?

selenium: an AI signed 0.1% of its commits, with Claude Code, GitHub Copilot, and Cursor.

The proof: [the commits each tool signed in SeleniumHQ/selenium](https://seerepo.com/r/SeleniumHQ/selenium/ai)

## Sources

- LadybirdBrowser/ladybird: Read on November 9, 2026, at commit a8ed157 (https://github.com/LadybirdBrowser/ladybird/tree/a8ed1572d4a7ddc60738b9a1b13503549d96b21c)
- SeleniumHQ/selenium: Read on November 7, 2026, at commit b9fa6bb (https://github.com/SeleniumHQ/selenium/tree/b9fa6bb772cea0bf9971e3b7ba21338159669310)

## 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.