The Hacker News–
You’ve probably run into a major problem when trying to scrape Google search results. Web scraping tools allow you to extract information from a web page. Companies and coders from across the world use them to download Google’s SERP data. And they work well – for a little while.
After several scrapes, Google’s automated security system kicks in. Then it kicks you out.
The standard was to bypass
Hacker's Directory 