Note the line that catches you while reading news and blogs, and keep the source URL with it.

One line written while reading changes that
Don't save it for later — leave one line right where you're reading.
When an article supports summaries, scan one first, then read the passages that matter.
Make categories like news, tech, or business and file your notes into them.
The article URL rides along with the note, so rechecking the source is one click.
Other ways people use the same tool
Note what a tech blog or newsletter actually concluded, with the original URL attached.
Note the passage that matters while you read the paper, and the source URL stays attached to it.
Save the articles you have no time for now, and pull them from the list when you do.
Add it to Chrome and use it on the article you already have open.
Free to use