It's the little things that have the greatest impact...
The below makes cleaning up a web page easy, so that it can be saved to PDF.
Create a bookmark and enter the following in the URL field:
When you have that, go to the web page that you want to save, click on the above bookmark and modify the page as you would in a word processor or text editor. You can then call up the browser's print function and save the page as a PDF.