--- title: Best web.dev posts — January 2021 | daily.dev description: The most upvoted web.dev posts from January 2021, curated by the daily.dev community. canonical: https://daily.dev/sources/web/best-of/2021/01 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/web/best-of/2021/01 og:type: website og:site_name: daily.dev og:title: Best web.dev posts — January 2021 | daily.dev og:description: The most upvoted web.dev posts from January 2021, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of web.dev — January 2021 1. 1 [](https://daily.dev/posts/how-to-use-https-for-local-development-cesyvvjre "How to use HTTPS for local development") Article web.dev · 6y How to use HTTPS for local development Some APIs that won't work on a deployed HTTP site, will work on http://localhost. mkcert is a tool that helps you do this in a few commands. Never export or share the file rootCA-key.pem mkcert creates automatically when you run mkcert -install. 112 7 2. 2 [](https://daily.dev/posts/introducing-open-web-docs-4mp6vput1 "Introducing Open Web Docs") Article web.dev · 6y Introducing Open Web Docs Open Web Docs is a collective project between Google, Microsoft, Mozilla, Coil, W3C, Samsung, and Igalia. It is designed to support a community of technical writers around strategic creation and long-term maintenance of web platform technology documentation that is open and inclusive for all. 48 1 [See all web.dev archives](/sources/web/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/web/best-of/2021/01#page","url":"https://daily.dev/sources/web/best-of/2021/01","name":"Best web.dev Posts — January 2021","description":"The most upvoted web.dev posts from January 2021, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/web/best-of/2021/01#items","numberOfItems":2,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/how-to-use-https-for-local-development-cesyvvjre","name":"How to use HTTPS for local development"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/introducing-open-web-docs-4mp6vput1","name":"Introducing Open Web Docs"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"web.dev","item":"https://daily.dev/sources/web"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/web/best-of"},{"@type":"ListItem","position":5,"name":"January 2021"}]}]} ```