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...

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Performable
41 websites

Performable offers both free and paid options

http://www.performable.com/

Hi,1. You can keep track of various items of itnreest by using RSS feeds but2. It may be easier to make bookmarks if you put Dates in their Name (and with TAGS or useful FolderNames) you can review and delete obsolete items3. You can Sav...

Market Share by Top Websites

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

Websites Categories

1 Performable has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Science & Education, Finance and 5 other categories.

2 Grapeshot is leading in Arts & Entertainment, News & Media, Hobbies & Leisure, Food & Drink and 2 other categories.

Geography

1 Performable is leading in most countries, including United States, Philippines, Canada, China and 7 other countries.

2 Grapeshot is leading in Brazil and Thailand.