# **MediaMath** (mathtag.com) > “MediaMath is a global provider of digital media and data management technology for advertisers and agencies.” – [Source](http://www.mediamath.com/privacy-policy/) ## Ethical design violations (Learn more about [Ethical Design](https://ind.ie/ethical-design).) * Tracker * Web bug ## Block rule **Block domain** mathtag.com ```mson - trigger: - url-filter: mathtag.com - load-type: third-party - action: - type: block ``` ## Prevalence **High:** found on 4.1% of surveyed sites (177 instances observed). ## Notes * “The types of technologies used via the Platform include:…Pixel tags” (Also know as web bugs.) [Source](http://www.mediamath.com/privacy-policy/)