Chrome/Firefox with Greasemonkey: This extension adds favicons—those little icons you see in your address bar when you visit a page—to Google's search results, so you can more easily see what site each link is coming from. More »

If you aren't a fan of Google Reader's new interface, this add-on will take out all the clutter, giving you a pretty, readable version of the current article and nothing else. More »

With each update, Facebook has gotten incrementally more cluttered, perplexing, and ornery—and I'm not even talking about all your annoying acquaintances flooding it with inane status updates. Yet, at the same time, it's become a tool few of us can live without. If Facebook has you on your last nerve, here's how to fix some of its biggest annoyances in a matter of minutes—and with only one new addition to your browser. More »

Firefox/Chrome/Safari: Netflix's new interface may not be the most fun to navigate, but you can ease a bit of the pain with a user script that adds Gmail-like keyboard shortcuts to the entire thing.

The new Twitter revamp this week has divided users and many can't get used to having their timeline on the right side of the screen. If this bugs you, tech weblog The How-To Geek wrote a user script for Chrome and Firefox to put the timeline back to the left side of the screen. More »

Chrome/Firefox (Greasemonkey): If you're not a fan of the Google+ integration in Google Reader or you simply wish you could still use the old sharing system, ReaderSharer is an extension that restores those functions.More »

Chrome/Firefox/Safari (User Script): If you're like me, you probably avoid most YouTube links because you don't know what's on the other end, and you don't want to waste time finding out. User script YouTube Link Title saves you from NSFW videos, rickrolls, and things that just aren't worth your time by warning you what's on the other side. More »

Chrome/Firefox/Opera/Safari (Greasemonkey): If you're tired of plain text links that you have to copy and paste in your address bar, free Greasemonkey script Linkify Plus will turn all URLs and email addresses into clickable links. More »

Most browsers: You're filling out your shipping address on Amazon, and you decide you want to continue shopping. You grab a few more items and—oh no!—now you're stuck filling out that form again. Avoid this annoyance with a simple userscript. More »

Firefox/Chrome: If you spend a lot of time on YouTube, you've probably noticed the new Autoplay bar that pops up on the bottom of your screen with recommended videos—and here's how to get rid of it. More »

Firefox/Chrome/Opera/Safari (with user script support): The original Helvetireader gave Google Reader a facelift, with a singular font and emphasis on keyboard shortcuts. Helvetireader 2, unofficially released, provides even fewer graphical controls, and the author admits it's not everyone's cup of tea.

Helvetireader's developer has toyed with the idea of releasing Helvetireader 2 as a separate entity, since not everybody might want even more functionality stripped out of Google Reader, with a resulting stronger emphasis on learning all the keyboard shortcuts (visible at any time by entering a "?" key). So before changing everything around, Helvetireader 2 is getting a soft release through Helvetireader's Twitter feed, where you can click to install the mostly finished release as a user script or extension, depending on your browser.