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README.md

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 # KrylovPreconditioners.jl
 
-The best sidekick of [Krylov.jl](https://github.com/JuliaSmoothOptimizers/Krylov.jl) 🤟 └(^o^ )Ｘ( ^o^)┘
+| **Documentation** | **CI** | **Coverage** | **DOI** | **Downloads** |
+|:-----------------:|:------:|:------------:|:-------:|:-------------:|
+| [![docs-stable][docs-stable-img]][docs-stable-url] [![docs-dev][docs-dev-img]][docs-dev-url] | [![build-gh][build-gh-img]][build-gh-url] [![build-cirrus][build-cirrus-img]][build-cirrus-url] | [![codecov][codecov-img]][codecov-url] | [![doi][doi-img]][doi-url] | [![downloads][downloads-img]][downloads-url] |
+
+[docs-stable-img]: https://img.shields.io/badge/docs-stable-blue.svg
+[docs-stable-url]: https://JuliaSmoothOptimizers.github.io/KrylovPreconditioners.jl/stable
+[docs-dev-img]: https://img.shields.io/badge/docs-dev-purple.svg
+[docs-dev-url]: https://JuliaSmoothOptimizers.github.io/KrylovPreconditioners.jl/dev
+[build-gh-img]: https://github.com/JuliaSmoothOptimizers/KrylovPreconditioners.jl/workflows/CI/badge.svg?branch=main
+[build-gh-url]: https://github.com/JuliaSmoothOptimizers/KrylovPreconditioners.jl/actions
+[build-cirrus-img]: https://img.shields.io/cirrus/github/JuliaSmoothOptimizers/KrylovPreconditioners.jl?logo=Cirrus%20CI
+[build-cirrus-url]: https://cirrus-ci.com/github/JuliaSmoothOptimizers/KrylovPreconditioners.jl
+[codecov-img]: https://codecov.io/gh/JuliaSmoothOptimizers/KrylovPreconditioners.jl/branch/main/graph/badge.svg
+[codecov-url]: https://app.codecov.io/gh/JuliaSmoothOptimizers/KrylovPreconditioners.jl
+[doi-img]: https://joss.theoj.org/papers/10.21105/joss.05187/status.svg
+[doi-url]: https://doi.org/10.21105/joss.05187
+[downloads-img]: https://shields.io/endpoint?url=https://pkgs.genieframework.com/api/v1/badge/KrylovPreconditioners
+[downloads-url]: https://pkgs.genieframework.com?packages=KrylovPreconditioners
+
+The best sidekick of [KrylovPreconditioners.jl](https://github.com/JuliaSmoothOptimizers/Krylov.jl) └(^o^ )Ｘ( ^o^)┘