Burt
191 websites

Burt costs money

https://www.burtcorp.com/

Burt offers big data integration, analytics and visualization for the media and entertainment industry.

VS

Proof
3,690 websites

Proof offers both free and paid options

https://useproof.com/

Proof adds notifications to the bottom of web pages showing off recent customer activity. Assuming that when visitors see that others are buying they are statistically more likely to convert as well.

Market Share by Top Websites

1 Proof is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Burt is leading in Top 10K Sites.

Websites Categories

1 Proof has better usage coverage in more websites categories. Including Business & Consumer Services, Computers Electronics & Technology, Health, Finance and 18 other categories.

2 Burt is leading in News & Media and Reference Materials.

Geography

1 Proof is leading in most countries, including United States, Canada, Australia, India and 103 other countries.

2 Burt is leading in Sweden.