How this tool works

Type a domain and see how its Harmonic Centrality and PageRank rank moved over the last 12 monthly Common Crawl web graph releases. A line going up (toward rank #1) means the domain became more central / authoritative on the open web over the year.

Harmonic Centrality measures how "close" a domain is to all other domains in the web graph and is Common Crawl's primary, spam-resistant signal; PageRank measures authority from the quantity and quality of incoming links. History covers the top 300k domains of each release, so only fairly established domains have a trend. Free and open, no API key.