Select badges with a clear purpose
A badge should answer a practical question for a reader. A build badge can show whether the default branch passes automated checks. A release badge can show the latest published version. A license badge can point to the license file, and a coverage badge can summarize a configured test report. Choose services that your team maintains and that expose stable badge URLs. Avoid adding badges only because they look familiar. Too many badges hide the project summary and make important information harder to find. Confirm that the badge reflects the branch, package, repository, or environment that readers care about. A badge for a feature branch may confuse visitors if the README describes the default branch.
Use the correct Markdown structure
Most badges use an image inside a link. The image has alternative text, and the link points to a page with more context. A typical pattern is [](DETAIL_URL). Keep alternative text meaningful, such as Build status or Published version. Do not use a decorative image with empty context when the badge communicates project health. Put related badges on one line when they remain readable, or split them across lines for narrow layouts. Use HTTPS URLs when the provider supports them. Some providers offer Markdown snippets that include encoded parameters. Copy the snippet carefully, then replace unclear alternative text and check the destination link. Do not expose private project identifiers in a public badge URL.
Maintain and review badge output
A badge is only useful while its source remains available and accurate. Check badges after moving a repository, renaming a package, changing the default branch, or replacing a continuous integration service. Review image rendering in the repository view and in any package registry that displays the README. A broken image creates noise and may hide a real documentation problem. Consider adding a link to the relevant workflow, release page, coverage report, or license file. Do not treat a passing build badge as proof that every use case works. It reports only the status defined by its service. Keep claims precise in nearby text, especially for coverage, security, and compatibility.
How do you do it step by step?
- 1Choose one badge for each useful project status, such as build, release, license, or coverage.
- 2Copy the provider's Markdown snippet and inspect its image and destination URLs.
- 3Add meaningful alternative text and place the badges below the README title or summary.
- 4Render the README and test both the badge image and its linked details page.
- 5Review badge URLs after repository, package, branch, or service changes.
Working example
This example adds a build badge that links to a workflow page.
[](https://github.com/OWNER/REPO/actions/workflows/ci.yml)
Readers see a build status image under the project title. Selecting it opens the workflow page, where they can inspect runs and logs.
Replace OWNER, REPO, and the workflow filename with real project values. Confirm that the workflow and badge are publicly accessible when the README is public.
Frequently asked questions
- What is a README badge?
- It is a small image, often showing status or metadata, usually wrapped in a link to a page with supporting details.
- How many badges should a README have?
- Use the smallest set that helps readers. Build, release, license, and coverage badges may be useful when their sources are maintained.
- Why is a badge image broken?
- The provider URL, repository name, branch, workflow, or access setting may have changed. Open the image URL directly and check the provider configuration.
- Do badges prove software quality?
- No. A badge reports a defined status from one service. A passing build or coverage value does not describe every environment or use case.