GTM4WP - Google Tag Manager for WordPress vs WooCommerce USPS Shipping
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| Feature | GTM4WP - Google Tag Manager for WordPress v2.0.6 · checked 23 Oct 2026 Free · ★ 4.5/5 Visit Details | WooCommerce USPS Shipping v5.6.6 · checked 23 Oct 2026 Free Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 700,000+ | — |
| Last updated | October 12, 2026 | — |
| Editions | GTM4WP - Google Tag Manager for WordPress | WooCommerce USPS Shipping |
| 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 | Live USPS rates in WooCommerce; First-class mail limit checks |
| 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 USPS API access from the store owner; Legacy Web Tools API is being retired |
| 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 | Live USPS rates at checkout, First-class mail limit checks, OAuth connection to USPS |
| Integrations | ||
| Analytics | Google Tag Manager | — |
| E-commerce | WooCommerce | — |
| Plugins | Contact Form 7, Polylang, WPML | — |
| Other | — | USPS API |
| Requires WordPress | 6.3 | 7.0 |
| Requires PHP | 8.0 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | No |
| External services | www.googletagmanager.com | apis.usps.com |