Hunter.io for Cold Emailing (#11)
Hunter.io is a tool that you can use to get email addresses and directory information for individuals at companies knowing…
Alexa Site Rankings (#10)
Alexa ranks all of the world's websites by country or category. Use Alexa to gather competitive intelligence, including the percentage…
Blisk.io (#9)
Blisk is another responsive tool, but this one is a desktop app that you download and install to your computer.…
ResponsiveView Chrome Extension (#8)
ResponsiveView Chrome Extension to quickly and easily see your website in different viewports. This seamless tool lets you quickly flip…
Am I Responsive? (#7)
http://ami.responsivedesign.is/ You type your URL here, and the page barely reloads. The image of the existing computers stay as-is, but…
Responsinator (#6)
Responsinator is a quick-little tool to show you your website on lots of different popular viewports: portrait and landscape for…
Litmus Email Testing (#5)
Sending emails? Testing your layouts in every email client is essential. Writing markup for emails is harder than writing markup…
BrowserStack (#4)
BrowserStack is the herculean all-platform solution for cross-browser testing. You can see and test your browser, quite literally, in every…
Browseo (#3)
This tool will show you a hierarchy of particular elements as if you’re looking at your web page as though…
Google Page Speed Insights (GPSI) (#2)
GPSI — Google Page Speed Insights is also a page speed optimizer, but it has fewer frills than WebPageTest and…