query syntax
206 832 737 websites
February 18, 2017

Search Engine for Source Code

Ultimate solution for digital marketing and affiliate marketing research company, PublicWWW allow you to find any alphanumeric snippet, signature or keyword in the web pages HTML code. This means that you can perform searches this way, something that is not possible with other regular search engines.

  • 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
  • 206 832 737 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.


  • 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: "adserver.adtech.de"
  • 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
  • Find your competitor's affiliates
  • Identify sites where your competitors personally collaborate or interact
  • 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.