Nowadays there are pretty many tools to analyze your site’s code and traffic, but there aren’t that much tools to evaluate design and accessibility. Personally, I think that best ‘tool’ to evaluate web design is other people feedback.

Surprisingly – there are just that type of tools available. Check them out together with some other useful tools and see if your design is easy accessible and practical. In this list less is more, you don’t need to much tools to analyze your web design, just few you really trust.

Google’s free website testing and optimization tool, allows you to increase the value of your existing websites and traffic without spending a cent. Using Website Optimizer to test and optimize site content and design, you can quickly and easily increase revenue and ROI whether you’re new to marketing or an expert.

The Firefox Accessibility Extension makes it easier for people with disabilities to view and navigate web content. Developers can use the extension to check their use of structural and styling markup that support functional web accessibility.

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool. YSlow grades web page based on one of three predefined ruleset or a user-defined ruleset. It offers suggestions for improving the page’s performance, summarizes the page’s components, displays statistics about the page, and provides tools for performance analysis, including Smush.it and JSLint.

Find out where your visitors are clicking more than usual. And the clickdensity heat map will show at a glance the relative popularity of components on your pages.

Pagealizer helps increase landing page conversion by showing relevant usage data and suggesting page design and landing page optimization. It shows in great detail how long people visit a page, bounce rate, how far visitors scroll down a page, and where visitors clicked.

Clixpy helps you find out which features are difficult to use and which are easy, where your users spend more time and why they leave your website. Clixpy can help you optimize landing pages and convert more visitors to clients.

AccessColor tests the color contrast and color brightness between the foreground and background of all elements in the DOM to make sure that the contrast is high enough for people with visual impairments.

Checkmycolours is a tool for checking foreground and background color combinations of all DOM elements and determining if they provide sufficient contrast when viewed by someone having color deficits.
All the tests are based on the algorithms suggested by the World Wide Web Consortium (W3C).

Browsershots makes screenshots of your web design in different operating systems and browsers. It is a free open-source online web application providing developers a convenient way to test their website’s browser compatibility in one place.

Five second tests are simple usability tests that help you measure the effectiveness of your designs.Conducting a five second test allows you to find out which parts of your designs are the most prominent. You can do this in two ways:

All you need to do is upload a design you want to test and choose the type of test you want to run. You will be given a unique link that you can share with friends and colleagues and have them do your test. Of course, you can always just let our random users do your test for really fast feedback!

Usabilla offers a fast and simple way to collect feedback in any stage of the design process.
Ask your users simple questions to collect valuable feedback and discover usability issues. Use our One-Click-Tasks to measure task performance. Users simply share their feedback by clicking anywhere on your website, mockup, sketch, or image. Measure time, collect points, and get valuable feedback with notes.

UserTesting provides quick and cheap website usability testing. Website owners can access a network of pre-screened testers who are articulate and observant and who meet specified demographics. Give UserTesting your website’s demographic, and the service will select the right users to browse your site. All of this cost only $39 per test.