Tools for Webmasters

No one knows for sure what blue widgets are, but if you're on this page there's a good chance you're a webmaster. Here are some links and resources to webmaster tools that will help you polish your web presence.

W3 Unicorn Validator for HTML and CSS

Will perfectly valid code help your SEO? We don't know, but our opinion is that better code validation certainly won't hurt, and it will often improve your user experience by ensuring more consistent behaviour across browsers.

W3 HTML Validator

Validate your HTML code.

W3 CSS Validator

Validate your CSS.

PageSpeed Insights (from Google)

Get suggestions to make your pages load faster.

Pingdom Website Speed Test

More suggestions to improve loading speeds.

GT Metrix

Get loading speed analysis that combines PageSpeed Insights and Yahoo's YSlow.

Web Page Analyzer

Calculates page size, composition, download time. Suggests ways to speed up your pages.

Pic Resize

Crop and resize photos, images or pictures online.

Kraken.io

Compress your images: it's one of the easiest wins for faster page loads.

Smush It!

Yahoo's image compression tool.

Similar Page Checker

Discover the percentage of similarity between two pages.

CSS Minifier

Minify your CSS; it's a quick boost for your PageSpeed score.

Quantcast.com

Stats about your website's traffic.