Google Now Fills Out Forms & Crawls Results

One of the biggest search challenges has long been that the major search engines like Google cannot crawl material that can only be retrieved through the use of forms. Now Google is filling out those form to obtain the information previously hidden, the company has announced.

Google says that for the past few months, it has been filling in forms on a "small number" of "high-quality" web sites to get back information. What words has it been entering into those forms? Words automatically selected that occur on the site, with check boxes and drop-down menus also being selected:

In the past few months we have been exploring some HTML forms to try to discover new web pages and URLs that we otherwise couldn’t find and index for users who search on Google. Specifically, when we encounter a <FORM> element on a high-quality site, we might choose to do a small number of queries using the form. For text boxes, our computers automatically choose words from the site that has the form; for select menus, check boxes, and radio buttons on the form, we choose from among the values of the HTML.

Results returned are then crawled. Ironically, it was just over a year ago that Google warned against getting search results like these indexed. Now it’s actually generating and crawling those results itself.

Don’t want Google doing this to your site? Google says that if your form is blocked through robots.txt or meta robots instructions, those forms won’t be accessed. In addition, some other forms won’t be touched if they fit certain technical criteria:

We only retrieve GET forms and avoid forms that require any kind of user information. For example, we omit any forms that have a password input or that use terms commonly associated with personal information such as logins, userids, contacts, etc.

The move is potentially good for searchers, in that it will open up material often referred to being part of the "deep web" or "invisible web" as it was hidden behind forms. Search Engine Land executive editor Chris Sherman actually co-authored a book on the topic. He and fellow author Gary Price didn’t coin the term invisible web, but they certainly help popularize it.

It should be noted that Google’s not the first to do something like this. Companies like Quigo, BrightPlanet, and WhizBang Labs were doing this type of work years ago. But it never translated over to the major search engines. Now chapter two of surfacing deep web material is opening, this time with a major search player — in that, Google is being a pioneer.

Related Topics: Channel: SEO | Google: SEO | Google: Web Search

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About The Author: is a Founding Editor of Search Engine Land. He’s a widely cited authority on search engines and search marketing issues who has covered the space since 1996. Danny also serves as Chief Content Officer for Third Door Media, which publishes Search Engine Land and produces the SMX: Search Marketing Expo conference series. He has a personal blog called Daggle (and keeps his disclosures page there). He can be found on Facebook, Google + and microblogs on Twitter as @dannysullivan.

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