Similarweb
a tool that estimates the total amount of traffic different websites get.
Sorting
Koala Inspector
Shopify apps and extensions to track competitors, find top-selling products, and winning themes, and optimize your store conversion rate.
Wappalyzer
Find out the technology stack of any website.
Scan WP
WordPress Theme and Plugin Detector
Ahrefs
an SEO software suite that contains tools for link building, keyword research, competitor analysis, rank tracking and site audits.
Semrush
a popular SaaS platform that specializes in keyword research, competitor analysis, and Google Ad campaign optimization.
Builtwith
Find out what websites are Built With
Xranks
the discovery platform that help you to find the best of the web based on rank, contents and reviews.
Wayback Machine
Archive and explore past web.
Shinecommerce
Access vital data about almost any online store, including overall store sales, SKU details, new product launches, ads, and more.
Ispionage
Analyze Your Competitors' Traffic and Uncover Their Conversion Tactics!
Similarsites
Instantly find websites similar to the one you're currently browsing.