Martech technology directory

Every marketing and analytics technology TagStack detects across millions of websites — what each does, how many sites use it, and a free way to check any site’s setup.

Analytics

7

Advertising & Pixels

15
Google Ads Conversion Tracking

Google Ads Conversion Tracking measures the actions people take after clicking a Google ad — purchases, sign-ups, calls — and reports them back to Google Ads so the platform can optimise bidding toward conversions..

600,038 sites
Google Ads Remarketing

Google Ads Remarketing builds audiences of past visitors so you can show them tailored ads across Google’s network.

343,798 sites
LinkedIn Insight Tag

The LinkedIn Insight Tag enables conversion tracking, website retargeting, and professional-demographic insights for LinkedIn advertising campaigns.

113,874 sites
Microsoft Advertising (Bing)

Microsoft Advertising (formerly Bing Ads) uses the Universal Event Tracking (UET) tag to measure conversions and build remarketing audiences from Microsoft’s search and audience network, including Bing and the wider Microsoft ecosystem..

109,457 sites
Floodlight (Campaign Manager 360)

Floodlight is Google Marketing Platform’s conversion-tracking system, used with Campaign Manager 360 and Display & Video 360.

65,614 sites
Pinterest Tag

The Pinterest Tag tracks conversions and builds audiences for Pinterest advertising.

36,025 sites
AdRoll

AdRoll is a growth-marketing platform offering retargeting and prospecting display ads across web, social, and email.

10,306 sites
Quora Pixel

The Quora Pixel tracks conversions and builds audiences for Quora advertising, a channel favoured for reaching high-intent, research-oriented audiences..

6,537 sites
Meta Pixel

The Meta Pixel (formerly the Facebook Pixel) tracks visitor actions to measure and optimise Facebook and Instagram ad campaigns, build custom audiences, and power retargeting across Meta’s platforms..

TikTok Pixel

The TikTok Pixel measures conversions from TikTok advertising and builds audiences for retargeting and lookalike targeting.

Snap Pixel

The Snap Pixel measures conversions from Snapchat advertising and builds audiences for retargeting.

Reddit Pixel

The Reddit Pixel measures conversions from Reddit advertising and builds audiences for retargeting Reddit users who have visited your site..

Criteo

Criteo is a commerce-media platform best known for dynamic retargeting — showing shoppers the exact products they viewed across a network of publisher sites.

Taboola

Taboola is a native-advertising and content-discovery network, the “recommended for you” widgets found across publisher sites.

Outbrain

Outbrain is a native-advertising and content-recommendation platform, the main competitor to Taboola.

CRO & Experimentation

1

Heatmaps & Session Replay

3

Consent & Privacy

4

CRM & Messaging

2

Tag Management

2

B2B & Intent Data

1

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