There is no need to use the href as key in our case because it's pure
during SSR and it won't re-order on the client. By using `index` we can
avoid some duplicate bytes here:
![CleanShot 2022-10-18 at 00 21
20@2x](https://user-images.githubusercontent.com/3676859/196295175-c5b437f7-0ae9-4d89-9d96-9594686168ae.png)
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)