Best Advertising & Affiliate Tracking for WordPress in 2026

Meta's conversion tracking pixel, a JavaScript snippet that records visitor activity for the company formerly named Facebook.

Universal Event Tracking tag that feeds conversion goals and remarketing lists in Microsoft Advertising.

Advertiser conversion tracking tag for LinkedIn campaigns, also used to retarget people who visited the site.

For publishers selling their own ad space, a Google ad server that also pulls in AdSense and exchange demand.

Website conversion pixel for X advertisers, set up as an event source in Events Manager and paired with a Conversion API.

Free-to-join ad network that fills a publisher's pages with ads from Google's advertisers in return for a revenue share.

Microsoft-owned ad tech platform bought from AT&T, whose buying side stopped taking campaigns in 2026 while its sell side carried on.

Retargeting and retail media platform for brands that buy commerce ads and for retailers and marketplaces selling them.

Browser tag that reports site events to TikTok, which advises running it alongside a server-side Events API.

Open-source wrapper for header bidding, free to download and supported by a paid-membership organisation.

Reddit's conversion tracking pixel for advertisers, set up from the Events Manager in Reddit Ads Manager.

Monetisation service from Amazon for publishers, with header bidding on the web and offers for streaming TV and apps.

Enterprise ad serving platform in Google Marketing Platform, for display and video campaigns across channels.

Site tag that ties visitor actions to Pinterest ads, supports verified-merchant status and is installed by the Pinterest for Shopify app.

Sell-side ad platform formed from Rubicon Project and Telaria, with connected TV ad serving through SpringServe.

Content recommendation and performance advertising platform that works with publishers and the advertisers paying them.

Supply-side platform for publishers, run on infrastructure the company says it owns and operates itself.

Header bidding wrapper built on Prebid.js for web publishers, with an OpenWrap SDK for bidding inside apps.

Demand-side platform for brands and agencies, found on advertisers' sites through a Universal Pixel tag placed on every page.

Multichannel ad platform whose B2B account-based product, AdRoll ABM, was formerly RollWorks.

Native advertising platform built on content recommendation technology, which has become part of Teads.

Programmatic advertising platform that lets experienced marketers buy multi-channel inventory themselves.

Publisher ad network and ad management platform run by Penske Media.

Commission-based affiliate program that pays sites for qualifying purchases made through their links to Amazon.

Measurement tag that tracks conversions for advertisers on Quora Ads.

Combined ad exchange and affiliate workflow software business.

Partnership management platform that runs affiliate, creator, referral and retail media programs in one account.

Ad management company for independent creators, with a separate full-service offer for media companies.

Conversion tracking pixel for Snapchat ads that records site actions such as cart additions and purchases.

Audio ad measurement from Spotify that also covers campaigns run outside Spotify.

Off-Amazon campaign tracking from Amazon, showing how outside ads lead to shopping activity in the Amazon store.

Managed monetisation partner for publishers, plus header bidding tech for in-house ad ops teams with their own demand.

Digital-publisher ad management with enterprise options and a self-supported product for smaller, growing sites.

Yahoo's advertising tag for Yahoo Ads and Yahoo DSP campaigns, placed on advertisers' own sites.

Dual-market ad platform: publishers monetise sites and apps, and advertisers buy placements across them.

Affiliate and referral tracking for SaaS companies that bill their customers through Stripe.

SaaS affiliate and referral software that adjusts commissions as subscriptions renew, upgrade or cancel.

B2B SaaS partner platform for co-selling, affiliate, influencer and customer referral programs.

Global affiliate network where brands find creators and other partners who get paid for promoting them.

Invitation-only ad network for sites aimed at developers and designers.

Neighbourhood-targeted ad tag for Nextdoor Ads, offered to small businesses, public agencies and brands.

Revenue platform for larger publishers and apps, run as a managed service or self-serve.

Japanese search and display advertising service, merged with LINE Ads under LY Corporation in 2026.

Two-sided native ad platform with one side for advertisers buying traffic and another for publishers selling placements.

Performance marketing network for affiliates, sold next to CJ's influencer and lead products.

Japan-focused ad tracking tag for advertisers who run campaigns through LINE Ads.

Ecommerce affiliate tracking and attribution software that installs on Shopify, WooCommerce and Stripe.

Cookieless recommendation network that places advertiser content on publisher sites.