Semasio
Audience targeting and identity resolution platform used by publishers and brands. Semasio builds audience segments from content consumption and contextual signals, using these to power programmatic targeting without relying on personal identifiers.
Overview
Semasio is an audience targeting and identity resolution platform used by publishers and brands. It builds audience segments from content consumption patterns and contextual signals for use in programmatic advertising.
What This Script Does
The Semasio script analyzes page content and visitor browsing patterns to build contextual audience profiles. It sets cookies to maintain visitor identifiers across sessions and fires pixel requests to sync these identifiers with demand-side platforms. Audience segments are constructed from content categories consumed rather than explicit personal data, though persistent identifiers are still used to link activity across sites. Data is made available to programmatic buyers for targeted ad delivery.
Consent & Compliance
Consent category: Marketing / Advertising
Semasio builds audience profiles and syncs identifiers with advertising platforms. Under GDPR, this requires explicit opt-in consent as it involves profiling and cross-site tracking. Under CCPA, audience segment data shared with ad buyers qualifies as selling or sharing personal information. The ePrivacy Directive requires consent for cookies used for audience profiling, regardless of whether the profiling is based on content signals rather than personal identifiers.
Should You Block This Without Consent?
Yes. Semasio exists to build advertising audience segments. It has no functional purpose for website visitors and should be blocked until marketing consent is granted.
Is Semasio GDPR compliant?
Semasio typically loads marketing trackers, which are not strictly necessary for your site to work. Under the GDPR and the ePrivacy Directive, non-essential cookies and trackers must stay blocked until a visitor gives clear opt-in consent. So Semasio can be fully GDPR compliant, but only if your site holds its scripts until consent is granted and lets visitors decline just as easily. Compliance depends on how your site loads Semasio, not on Semasio itself.
Consent Categories
Also Known As
Industries
Tracked Domains (1)
Semasio's trackers are occasionally seen, seen on about 1% of the sites ConsentStack has scanned. Scan your own site to see which of these are firing before consent.
semasio.netMarketingsemasio.net is a marketing domain operated by Semasio, used to serve ads, build audiences, and measure ad conversions. Seen on about 1% of scanned sites.
Frequently Asked Questions
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Manage consent for Semasio
ConsentStack automatically detects and manages Semasio trackers so your site stays compliant with global privacy regulations.