I don't know when I discovered it, but once you know about it, you can't live without it. I think it was in Vivaldi, which offers a "Copy link with highlighted text" option, which is explained in this article, where we also teach how to do it manually. In the same post we explain that it is not a possibility in Firefox, but that is about to change. A thread in bugzilla This is how he anticipates it.
In summary, it is possible that by passing a text in the URL, when clicking on the link take us directly to that text, as long as the format is correct and it is on the page being linked to. For example, if I want to cite "The page link must remain as is. For example, if a link is https://page.com/link.html, that should remain as is.» In the previous article, Vivaldi copies https://www.linuxadictos.com/use-this-trick-to-share-highlighted-text-from-web-pages.html#:~:text=The%20link%20of%20the%20page%3must%1stay%20as%20is.%20For%20example%20C%20if%20a%2link%20is%20https%20A//page.com/link.html%20C%2that%0should%3stay%3as%1well, and the link in a supported browser will take us to that specific fragment, highlighting it. You can see the result by clicking here.
Firefox 131 is coming on October 1st
The novelty has already been included in the release notes from the Firefox 131 Nightly beta, although that channel is currently already on v132. The change reads "Firefox now supports text snippets, allowing users to link directly to a specific portion of text in a web document via a special snippet URL.«.
There is nothing more to note about this new feature. Firefox 131 will arrive on october 1 with this and other new features. The red panda browser was the last of the most used to implement this function. When it does, the use of this type of links will already be standardized… although only their viewing. Safari, Firefox and Brave still cannot create links from the context menu. In these cases, the best thing to do is to use the linked article trick.