GTM4WP - Google Tag Manager for WordPress vs TaxJar - Sales Tax Automation for WooCommerce
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| Feature | GTM4WP - Google Tag Manager for WordPress v2.0.6 · checked 23 Oct 2026 Free · ★ 4.5/5 Visit Details | TaxJar - Sales Tax Automation for WooCommerce v4.2.11 · checked 23 Oct 2026 Free · ★ 2.6/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 700,000+ | 5,000+ |
| Last updated | October 12, 2026 | October 5, 2026 |
| Editions | GTM4WP - Google Tag Manager for WordPress | TaxJar - Sales Tax Automation for WooCommerce |
| Pros | Places GTM containers without editing theme files; Data layer for WooCommerce, forms and media events; Consent mode and a tag blocklist are built in | Calculates sales tax at cart and checkout through the TaxJar API; Syncs orders, refunds and cancellations to TaxJar for return reporting; Supports customer tax exemptions, product tax codes and nexus regions |
| Cons | Tags, triggers and consent rules must be set up in Google Tag Manager; Tracking setup is complex and needs a tag manager account | Requires a TaxJar account and API token; calculation depends on that service; Readme says stores above 1,000 orders a month need an upgraded TaxJar account; Cart and order totals call the external API while tax calculation is enabled |
| More features | ||
| Other features | GTM container snippets in head and body, Multiple containers, Page variables in the data layer, Google Consent Mode, Tag blocklist for pages and elements, WooCommerce event tracking in the data layer, Contact Form 7 tracking, Media (video and audio) events, User events in the data layer, Visitor data module, AMP support | Sales tax calculated at cart and checkout via TaxJar API, Optional tax calculation for orders created through the WooCommerce REST API, Optional storage of calculated rates in the WooCommerce tax table, Automatic order sync to TaxJar, with cancellations, Refunds synced to TaxJar, Record queue processed on a schedule for failed or pending syncs, Download of historical orders from TaxJar setting, Customer tax exemption type and exempt regions on user profiles, Product tax codes derived from WooCommerce tax classes, Nexus regions fetched from TaxJar and cached, Tax calculation for WooCommerce Subscriptions renewal orders |
| Integrations | ||
| Analytics | Google Tag Manager | — |
| E-commerce | WooCommerce | — |
| Plugins | Contact Form 7, Polylang, WPML | WooCommerce Subscriptions, WooCommerce Gift Cards, WooCommerce Smart Coupons, WooCommerce PDF Product Vouchers |
| Other | — | TaxJar API |
| Requires WordPress | 6.3 | 5.4 |
| Requires PHP | 8.0 | 7.0 |
| Tested up to | 7.1 | 7.1.2 |
| Phones home | No | No |
| External services | www.googletagmanager.com | api.taxjar.com |
| Custom tables | — | 1 |