Interesting to see the top 20 domains according to Compete.com, all with 20 million+ unique visitors in October:

As Richard at Read/WriteWeb points out, techie-slanted Alexa tells a different story:

1. yahoo.com
2. google.com
3. myspace.com
4. msn.com
5. ebay.com
6. amazon.com
7. youtube.com
8. craigslist.org
9. wikipedia.org
10. cnn.com
11. facebook.com
12. go.com
13. live.com
14. blogger.com
15. aol.com
16. microsoft.com
17. comcast.net
18. imdb.com
19. digg.com
20. flickr.com

In this FAQ, Compete explains why their data—based on 2 million users—is more accurate than Alexa’s.

Why doesn’t everyone just use Google Analytics so we can all share and compare the same data?