Sometimes I read online articles, and these articles are usually long pages and have outlines at the beginning. These outlines are the hyperlinks to the subtopics headings. Technically, you click the outline hyperlink, your browser will browse to the “anchor”, the URL will append with hash (#). Therefore, it is useful for bookmarking, so that you can share the URL target on the topic to someone else, or re-visit your bookmark.

Too many addons for Firefox? Using AddThis or ShareThis addons? Alternative to the AddThis or ShareThis addons, bookmarklet. Try them out:

AddThis bookmarklet ShareThis bookmarklet