### Documentation Request Checklist - [X] I have read and agree to Mocha's [Code of Conduct](https://github.com/mochajs/mocha/blob/master/.github/CODE_OF_CONDUCT.md) and [Contributing Guidelines](https://github.com/mochajs/mocha/blob/master/.github/CONTRIBUTING.md) - [X] I have searched for [related issues](https://github.com/mochajs/mocha/issues?q=is%3Aissue) and [issues with the `faq` label](https://github.com/mochajs/mocha/issues?utf8=%E2%9C%93&q=is%3Aissue%20label%3Afaq%20), but none matched my issue. - [X] I want to provide a PR to resolve this ### Overview As pointed out by @voxpelli: external sponsor links on mochajs.org just have `rel="noopener"`. Per https://developers.google.com/search/docs/crawling-indexing/qualify-outbound-links, `sponsored` should also be added to their `rel` (preferred over `nofollow`). ### Additional Info Co-authored-by @voxpelli
Documentation Request Checklist
faqlabel, but none matched my issue.Overview
As pointed out by @voxpelli: external sponsor links on mochajs.org just have
rel="noopener". Per https://developers.google.com/search/docs/crawling-indexing/qualify-outbound-links,sponsoredshould also be added to theirrel(preferred overnofollow).Additional Info
Co-authored-by @voxpelli