Computer implemented methods and systems are provided for web log filtering. A uniform resource locator (URL) is identified for a resource requested by an identified device. The URL is stored unless the URL has at a reference to an advertisement or an extension that matches any of a list of extensions specified for storage exclusion. The stored URL is categorized based on either the stored URL or an included domain name, depending on whether the included domain name matches any of the list of domain names that are associated with multiple categories. A count is incremented in a web log category associated with the identified device based on the categorized stored URL.