fix broken external links

content/blog/2013/sixth-year.md

@@ -40,7 +40,7 @@ Thanks for a great year, everyone. See you around in 2014!
 
 — the Odds Bird
 
-[rachel nabors]: http://rachelnabors.com/
+[rachel nabors]: https://nearestnabors.com/
 [claudina sarahe]: https://twitter.com/itsmisscs
 [novel]: https://www.greengreenmud.com/
 [sassconf]: https://twitter.com/sassconf

content/blog/2017/parallax.md

@@ -22,8 +22,8 @@ article on [Performant Parallaxing]. This article is so useful, we
 couldn't pass up the opportunity to recommend it. Continue reading for a
 quick summary or **head over to Paul's article right away!**
 
-  [Rachel Nabors]: http://rachelnabors.com/
-  [Performant Parallaxing]: https://developer.chrome.com/blog/performant-parallaxing/
+[Rachel Nabors]: https://nearestnabors.com/
+[Performant Parallaxing]: https://developer.chrome.com/blog/performant-parallaxing/
 
 ### [Performant Parallaxing >][Performant Parallaxing]
 

content/blog/elsewhere/sass-color-draft.md

@@ -51,7 +51,7 @@ Chris Lilley & Lea Verou released the handy [Color.js][] library,
 and all of this is based on
 [CSS Color Level 4][] and [Level 5][].
 
-[full proposal]: https://github.com/sass/sass/blob/main/proposal/color-4-new-spaces.md
+[full proposal]: https://github.com/sass/sass/blob/main/accepted/color-4-new-spaces.md
 [request]: https://sass-lang.com/blog/request-for-comments-color-spaces
 [collection of resources]: https://www.bram.us/2022/02/08/color-spaces-and-colors-in-css/
 [Color.js]: https://colorjs.io/