Shortened links are everywhere, but you never really know where they might lead you. If you aren't sure whether to open one, URL Uncover can keep you safe.

If you share your presentations with others, giving them a link directly to the part of the slideshow or paper you want them to see makes it easier for you to get the feedback you need. Here's how to do it.

Quora is a question-and-answer site with a lot of great content -- and one small catch. In order to read all of the answers in a thread, you have to register, or else you can only read the first response.

And yes, that's probably not strictly necessary. But if you want a more cat-heavy view of the world, enter the URL of any site (such as Lifehacker into Meowbify and find yourself drowning in a sea of feline animations.

Was It Viewed? is a simple web app that creates trackable links to you can find out if any URL has been viewed. If you sent in an online resume, asked someone to check out a video, or want to know if a friend downloaded a file, it will let you create a simple, trackable link that lets you know when someone is checking it out.

Companies like Google, Amazon, Apple, Australia Post and the Commonwealth Bank are currently competing for a new round of top-level domains -- think new versions of .com and .org like .search, .blog and .app. The argument is that this will make the internet easier to use, but we think it's a bit sketchier than those involved would like to admit. Here's why.

You've probably been caught out by typosquatting before: you type an address into your browser, get a letter wrong, and end up on a site that's filled with ads, weird downloads or other unexpected content. But just how common is the practice of registering slightly incorrect domain names in the hope they'll attract traffic? An analysis by web security software firm Sophos suggests that when it comes to popular web services, nearly every possible option has been grabbed.

Twitter's newly-minted design shifts some familiar features to new locations, including the option to link to an individual tweet. Here's how to do that if you've moved to the new design.

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.

If you ever wanted to link someone to a specific part of a page instead of telling them to read the whole article, BookmarkQ is for you. The service gives you a bookmarklet that you can click after highlighting text to link someone directly to that part of a web page.

For quite a while, Google has been using its own goo.gl shortener to compress long links. No more; as of today, the big G is using a different shortener, g.co, for its own link-shortening needs.

Google's image search feature includes an option to sort images by date. The default options in Google's left-hand menu only cover results from the past week, but you can get additional results by tinkering with the search URL.

Web app Google Plus Nick takes that long, awkward Google+ profile URL and turns it into a short, easy to remember gplus.to/username address.

Twitter may be working on its own photo sharing service, but today it rolled out a long-awaited feature: automatic link shortening. Now, whenever you type a link into the Twitter web app, it will shorten anything over 11 characters using their t.co service.

While all URL shorteners intend to simplify the process of sharing links without hassle, Rdd.me, a new URL shortener from the creators of distraction-free tool Readability, is special in that it simplifies the process of sharing content.

Google has made a number of tweaks to its Goo.gl URL shortening service. The one that really grabs me? It now makes it possible to get a URL straight onto the clipboard without stuffing around.

You may notice that when you mouse over a link in Firefox, the URL preview in the status bar is trimmed down to save space. If you'd rather see the whole URL, you can do so with a simple CSS tweak.

Chrome: If you have a few sites that you visit particularly often but you want them to open up in a new tab every time you visit them, reader Java-Princess shows us how to make them do so.

Chrome/Firefox: Ever been reading a site and wish not to go back to the last page you visited, but the last page in that web site's hierarchy? These two extensions add a button to the address bar to do just that.