> For the complete documentation index, see [llms.txt](https://cover-docs.diffblue.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cover-docs.diffblue.com/get-started/diffblue-learning/test-coverage.md).

# Test coverage

Improve, monitor, and manage your test coverage:

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><img src="https://1243928156-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZ7l8pn8qoIC3ubiJzuaF%2Fuploads%2Fgit-blob-ec9d8454f2958c5e61b6a84c414655ba4f2ec5f1%2FPath3D.jpg?alt=media" alt="" data-size="original"> <strong>Developer</strong></td><td>Generate and upload Cover Reports bundles.</td><td></td><td><a href="/get-started/diffblue-learning/test-coverage/developer.md">Developer</a></td></tr><tr><td><img src="https://1243928156-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZ7l8pn8qoIC3ubiJzuaF%2Fuploads%2Fgit-blob-ec9d8454f2958c5e61b6a84c414655ba4f2ec5f1%2FPath3D.jpg?alt=media" alt="" data-size="original"> <strong>Senior Developer</strong></td><td>Use Cover Reports to monitor and manage test coverage.</td><td></td><td><a href="/get-started/diffblue-learning/test-coverage/senior-developer.md">Senior developer</a></td></tr><tr><td><img src="https://1243928156-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZ7l8pn8qoIC3ubiJzuaF%2Fuploads%2Fgit-blob-ec9d8454f2958c5e61b6a84c414655ba4f2ec5f1%2FPath3D.jpg?alt=media" alt="" data-size="original"> <strong>Administrator</strong></td><td>Manage and maintain your Cover Reports instance.</td><td></td><td><a href="/get-started/diffblue-learning/test-coverage/cover-reports-administrator.md">Cover Reports Administrator</a></td></tr></tbody></table>

#### Achievements:

* [x] Know how to improve, monitor, and manage your test coverage.
* [x] Know how to improve test coverage for your code base, including automated refactoring.
* [x] Understand output codes and how to resolve them.
* [x] Understand how to use Cover Reports to monitor and manage test coverage.
* [x] Know how to manage your Cover Reports instance including installation, database backups, and software updates.