Added a quick and easy way to test the currently open tab with some of the most commonly used SEO tools:
* Open page in Search Console
* Search page with Google Site Search
* Open page in Page Speed Insights
* Open page in Google Cache
* Open page in Google's AMP Test
* Open domain in Similiar Web
* Open page in the Wayback Machine
* Open domain in the Wayback Machine
* Open page in the W3C Validator
* Open domain in "Built with"
* Open page in Ahrefs (Perfomance)
* Open page in Ahrefs (Backlinks)
* Open domain in BuzzSumo
* Open page in Majestic
* Open page in Moz
* Open page in Semrush (Performance)
* Open page in Semrush (Backlinks)
* Open domain in Whois
