Our 9 favourite domain information websites from where we get competitive intelligence

Here are some tools we use to analyze competitors for our customers, understand their strategies, and predict their future moves. 

1. Ahrefs—Most Ahrefs plans require a paid subscription, but there are free tools for basic information about your competitors' rankings.
2. Builtwith - a comprehensive database of what websites use and what technology is in their stack.
3. Domain Crawler - core information about domains such as ownership, creation date, etc.
4. Domain Dossier - multiple domain information tools, including whois, nameserver lookup, etc.
5. Domain Typer - domain search tool (can be used to anticipate competitor registrations).
6. IP Address - IP address location tool.
7. IP Lookup - reverse IP lookup.
8. Moz Link Explorer - free backlink checker (previously Open Site Explorer).
9. Wayback Machine - an essential tool for competitor analysis, storing snapshots of competitors' websites.