Validation, link checks and speed testsFor a positive user experience it’s also important that the technical side of a website works as intended. Nothing is more frustrating than links pointing to non-existant pages, websites taking forever to load, or broken pages because of HTML and JavaScript errors. W3C Markup Validation Service (free)This online service checks to determine whether the code of a web page is valid (X)HTML.
Dr. Link Check (free)This web app checks a site for broken and blacklisted links.
Pingdom Full Page Test (free)Use this tool to test and analyze how long it takes your webpage to load.
Google PageSpeed (free)This Google service analyzes a web page and makes suggestions for how to improve its load time. CrossBrowserTesting (from $29.95/month)This service provides virtual machines for testing a website in different browsers on different operating systems. |