AdInsight Clarity
1 websites

AdInsight Clarity offers both free and paid options

http://www.responsetap.com/

The system saves visitor information so it can report on every keyword that generates telephone enquiries. This way you are able to get complete accuracy with your call tracking and drive further improvements to your ROI

VS

Grapeshot
32 websites

Grapeshot is free to use

http://www.grapeshot.co.uk

Grapeshot is a software company using advanced probability algorithms to optimise the placement of content and advertisements online. We help publishers like Mail Online, Reuters, Telegraph and Microsoft’s Mi9 to create virtual channels...

Market Share by Top Websites

1 Grapeshot is leading in Top 10K Sites and Top 100K Sites.

2 In terms of market share, AdInsight Clarity is clearly lagging behind, losing to Grapeshot in all segments.

Websites Categories

1 Grapeshot has better usage coverage in more websites categories. Including Arts & Entertainment, News & Media, Hobbies & Leisure, Finance and 4 other categories.

2 AdInsight Clarity hasn't got a lead over Grapeshot in any websites category.

Geography

1 Grapeshot is leading in most countries, including United States, Brazil, France, Spain and one other country.

2 AdInsight Clarity is leading in United Kingdom.