How may I find those Barriers that would block Search Engine Spiders

[fromrachel]

Is it possible to identify those barriers that would block the search engine spider? How may I find those barriers that would block search engine spider?

 

[DediRDP]

Use this free tool to find out how spiders are crawling and get more information: http://www.iis.net/downloads/microsoft/search-engine-optimization-toolkit

 

[KristinaRoy]

If you want to block Search Engine Spiders to visit your website then you should place this code in header section of the page <meta name="robots" content="noindex,nofollow" />

 

[erinnagata]

Barriers can be low quality content and black hat seo campaign.