The Firefox browser has a useful feature called “Reader View” which strips away clutter like buttons, ads and background images. It also adjusts the page’s text size, contrast and layout for better readability. You can find the Reader View button here:

Here is an article from Reuters as it appears in Page View Mode:
There is also a Firefox extension called Automatic Reader View that allows you to automatically view certain sites in Reader View mode. You can enter a list of URLs to trigger Reader View (very useful), or you can view every site in Reader View (I’m not sure who would find this useful).
To get a bit meta, here is this article in Review View:
This is a great feature. too bad they only get to work with a subset of pages. I will use Firefox just for this.