Google is the by far the largest search engine with most users in numbers as well as most revenue in creative advertisements, which makes Google the most important search engine to scrape for SEO related companies.<ref>{{cite web|url=http://searchengineland.com/google-worlds-most-popular-search-engine-148089|title=Google Still World's Most Popular Search Engine By Far, But Share Of Unique Searchers Dips Slightly|date=11 February 2013|website=searchengineland.com}}</ref>
Although Google does not take legal action against scraping, it uses a range of defensive methods that makes scraping their results a challenging task, even when the scraping tool is realistically [[Spoofing attack|spoofing]] a normal web browser:
