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...

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SexTracker
165 websites

SexTracker is free to use

http://www.sextracker.com/

The SexTracker: The #1 Adult Site Guide! Adult Links, All Adult Search Engine, Webmaster Site Stats!

Market Share by Top Websites

1 SexTracker is leading in Top 1M Sites.

2 In terms of market share, Performable is clearly lagging behind, losing to SexTracker in all segments.

Websites Categories

1 Performable has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Science & Education, Finance and 7 other categories.

2 SexTracker is leading in Adult.

Geography

1 SexTracker is leading in most countries, including United States, Germany, China, France and 25 other countries.

2 Performable is leading in Philippines, Estonia, Israel and Netherlands.