Source Code Search Engine

Find any alphanumeric snippet, signature or keyword in the web pages HTML, JS and CSS code.

query syntax: RegEx, ccTLDs, etc.
202 482 034 websites
January 20, 2018


  • Up to 200 000 results per search request
  • API for developers who want to integrate our data
  • Download results as a CSV file
  • Snippets for search results
  • Results are sorted by website popularity
  • Searches are typically completed within a few seconds
  • 202 482 034 websites indexed (only home pages are searchable)
  • Webserver response HTTP headers are also indexed
  • Websites in the top 1 million are revealed for free
  • Results from the top 3 million upon registering, the rest are paid.

Ultimate solution for digital marketing and affiliate marketing research, PublicWWW allow you to perform searches this way, something that is not possible with other regular search engines:

  • Any HTML, JavaScript, CSS and plain text in web page source code
  • References to StackOverflow questions in HTML, .CSS and .JS files
  • Web designers and developers who hate IE
  • Sites with the same analytics id: "UA-19778070-"
  • Sites using the following version of nginx: "Server: nginx/1.4.7"
  • Advertising networks users: ""
  • Sites using same adsense account: "pub-9533414948433288"
  • Wordpress with theme: "/wp-content/themes/twentysixteen/"
  • Find related websites through the unique HTML codes they share, i.e. widgets & publisher IDs
  • Identify sites using certain images or badges
  • Find out who else is using your theme
  • Identify sites that mention you
  • Websites running cryptocurrency miner
  • References to use a library or a platform
  • Find code examples on the internet
  • Figure out who is using what JS widgets on their sites.

Our Clients

Penn State
Columbia University in the City of New York
University of California, Berkeley
The University of British Columbia
University of Wisconsin–Madison
The University of Virginia
Oracle Integrated Cloud Applications and Platform Services
Twitter online news and social networking service
Philips N.V.

Statistics and Research

You can interact with our statisitcs, based on our web analytics, and also get help on finding, using and understanding data.