I bookmark it and add relevant tags to it. I usually can find it later without too much trouble. If I am unsure the page will survive, I send a save request to

I bookmark it and add relevant tags to it. I usually can find it later without too much trouble. If I am unsure the page will survive, I send a save request to the Wayback Machine, and I will also convert the page to Markdown and store a copy in Joplin.