1. SimilarWeb.com is a website analysis tool that gives you analytics information for any website.

  2. Alexa provides analytical insights to benchmark, compare and optimize businesses on the web.

  3. All-in-one Marketing Toolkit for digital marketing professionals.

  4. Find out the technology behind websites

  5. Quantcast Corporation is a digital marketing company that provides free audience demographics measurement and delivers real-time advertising.

  6. Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!

  7. Ranking 800,000+ high growth Internet companies

  8. Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.

  9. comScore is a leading internet technology company that provides Analytics for a Digital World™. Our audience, advertising and enterprise analytics enable faster, actionable insight from all forms of digital data.

  10. Moz Local helps local search engines – and new customers – find your business online.

  11. Sensor Tower is a platform for app store optimization and app industry intelligence.