Why DataDac? DataDac has more than 10242 categories. DataDac adds almost 50-300 websites everyday in various categories. 

DataDac Data Collection System: DataDac include only those websites which we believe and considers as a useful for global users and we give important at only niche categories websites. 

DataDac uses crawler to index and analyze websites information and it's categories. Crawling rate of the DataDac crawler is near about 9-15 websites per/min. DataDac not includes all the indexed websites. All the websites are reviewed by staff before going to display on DataDac. All the websites are reviewed by staff but we strictly review Health Categories websites every time before putting them on DataDac.

DataDac crawler pickup the information like Title Tag, Website Address, Website country, page description etc. We use real contents from page body of a particular website as a description of that site. We also use Meta Description at the time of contents analyzing but DataDac doesn't use Meta Description in any purpose other than it.

Restricted Websites: The restricted websites of some niche categories are -

1. Adult, Sex and phonographic related sites
2. Alcohol, Weapon, Medicine and Crack software related sites.
3. Online/Offline Data Entry, FFA and and Other online scam money making related websites.
4. DataDac also doesn't include Traffic Exchange websites, 'Click & Earn money' type websites, Auto Surfing websites, Online Survey (not all but most of that category websites) and any other illegal websites.

DataDac crawler is almost fully programmed to identify any websites which we restricted here but we all know that human edited and index by crawler is two different points of view. But DataDac staff regularly updates the algorithm system of DataDac crawler to identify all the websites categories properly. 

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