For lesswrong links, a useful mirror is greaterwrong, accessed by just change the "less" in the url to "greater". It loads much faster, and you can read the comments even if you have javascript disabled.

The link I just boosted, but changed to greaterwrong:

https://www.greaterwrong.com/posts/mXgsd5o9uuYaQKHMz/tools-for-keeping-focused