query syntax
202 345 389 websites
January 16, 2017

Search Engine for Source Code

Ultimate solution for digital marketing and affiliate marketing research, PublicWWW allows you to find any alphanumeric snippet, signature or keyword within the HTML code of web pages. This means that you can perform search in such ways, which 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 typically complete within a few seconds.
  • 202 345 389 websites indexed (only home pages are searchable).
  • Webserver response HTTP headers also indexed.
  • Websites in the top 1 million are revealed for free.
  • Results from the top 3 million after 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 same analytics id: "UA-19778070-".
  • Sites using 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 mentioning 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 net.
  • Figure out who is using what JS widgets on their sites.