CROSS-VERTICAL PUBLISHER AND ADVERTISER REPORTING

Methods, systems, and apparatus, for reporting publisher and advertiser advertising metrics across verticals. In one aspect, a method includes accessing impression data describing impressions of advertisements on publisher resources, wherein for each impression of an advertisement on a publisher resource, the impression data identifies a publisher and categories to which the publisher belongs, an advertiser and verticals to which the advertiser belongs, and attributes of the impression; receiving benchmark specification data defining a benchmark specification for one of the publishers or the advertisers, and further defining performance metrics based on the attributes of the impressions for the publisher or the advertiser and impressions of other publishers and other advertisers; and generating reporting data for displaying a benchmark report of performance metrics for one of the publishers or advertisers respectively relative to other publishers or advertisers and grouped by a respective publisher category or advertiser vertical.