In past they took much space in comments and messages. Now most sites have gotten smarter and automatically shorten a long URL when presenting it. For the first

In past they took much space in comments and messages. Now most sites have gotten smarter and automatically shorten a long URL when presenting it. For the first part, depending on site, a deterministic shortener could be possible. For example "example.com/blog/2022/09/22/first-article-of-the-day.html" can be "example.com/s/b22092201". Remember read someone utilizing something like this but cannot find the article.