WordPress
San Francisco, California, United States · Founded 2003
1001-5000 employees
Sourced & current · updated Jul 13, 2026Website
WordPress is an open-source content management system (CMS) powering over 40% of websites globally, with advertising capabilities through plugins and WordPress VIP.
Where they sit
Stack tier: Infrastructure & Data (B)
Ad ServerProgrammatic Platform
Dominant CMS platform enabling advertising for millions of publishers