Within time, links on our websites can become invalid as the URLs they point may not be existing any more.

Catch404 is a jQuery plugin which adds a layer between the web page and the link to detect this issue with the process:

• when a link is clicked, it sends a request to the page
• if a 404 message is returned, displays a modal box mentioning that the page does not exist. Else, redirects to the URL.

It has pros and cons like adding an extra request to links which ends up in a slower browsing experience but prevents redirecting readers to non-existing pages.

The plugin does not require any scripting language as the query is sent via Ajax to the Yahoo YQL (which is mostly the reason of the slower experience).

There are various galleries which enables us to view beautiful websites & get inspired.

In general, these websites are categorized & presented by their purposes/functions like blogs, business, portfolio, etc.

CSSbake has a different point of view & categorizes websites with their ingredients such as:

• 404 pages
• footers
• forms
• navigation
• & much more..

which is a good way for anyone who is trying to find good practices on specific elements of a website.

Pattern Tap is a community which collects & presents well-categorized web design interfaces.

To give an example, you can find real-world collections of 404 pages, backgrounds, button, borders & more.

As a user, you can also create your own sets like these paper textures set and follow the users you like to easily find the sets they create.

With more users contributing, Pattern Tap may become a giant resource which every designer can find materials to inspire.