Product Reviews XML for Google Merchant Center

By tetherties

Description

This plugin generates a strictly formatted XML feed of your product reviews that meets Google Merchant Center requirements. By submitting this feed to Google, you can enable “Product Ratings” (stars) on your Google Shopping PLAs (Product Listing Ads).

Key Features:
* Universal Support: Works with native WooCommerce reviews, Customer Reviews for WooCommerce (CusRev), YITH Advanced Reviews, and Site Reviews.
* Strict Schema: Generates the specific nested XML structure Google requires (GTINs, MPNs, Namespaces).
* Smart Caching: Caches the XML feed to reduce server load. Default refresh is weekly (recommended by Google).
* Product Identifiers: Maps your GTIN, MPN, and Brand fields to ensure reviews match your products in Google.

Performance & Limits:
By default, this plugin includes your 2,500 most recent reviews. This safety cap ensures that generating the XML file does not crash your server due to memory exhaustion.
* Developers: You can increase or remove this limit using the prxml_review_limit filter.

Installation

Upload the plugin files to the /wp-content/plugins/product-reviews-xml-for-google directory.
Activate the plugin through the ‘Plugins’ screen in WordPress.
Go to Settings > GMC Reviews XML to configure.
Copy the generated Feed URL.
Log in to Google Merchant Center > Analytics > Reviews > Product Reviews > Feeds.
Add a new feed using “Scheduled Fetch” and paste your URL.

FAQ

Which review plugins are supported?: We natively support:
1. WooCommerce Standard Reviews
2. Customer Reviews for WooCommerce (CusRev)
3. YITH WooCommerce Advanced Reviews
4. Site Reviews
5. Judge.me / Yotpo (Only if “Sync to WooCommerce” is enabled in their settings).
My feed is showing a 404 error?: Go to the plugin settings and click “Save Changes”. This will flush your permalinks and fix the URL.

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Contributors & Developers

“Product Reviews XML for Google Merchant Center” is open source software. The following people have contributed to this plugin.

tetherties

Translate “Product Reviews XML for Google Merchant Center” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

2.0.8

Fixed sanitization to use sanitize_title_with_dashes() as recommended by WordPress.org review.
Improved DONOTCACHEPAGE constant scoping to only affect feed rendering.
Added preg_quote() for regex security in rewrite rules.
Added WooCommerce dependency check with admin notice.
Fixed all escaping to use esc_html_e() instead of _e().
Changed prefix from ‘grf’ to ‘prxml’ (5 characters) to meet WordPress requirements.
Moved JavaScript to external file with proper wp_enqueue_script().
Added comprehensive error handling and PHPDoc blocks.

2.0.6

Increased safety limit to 2,500 reviews (Generous Free Tier).

2.0.5

Updated Author description.

2.0.4

Added “Copy URL” button.
Added connection instructions.

2.0.3

Updated default feed slug.
Updated default refresh rate to Weekly.

2.0.0

Full security hardening.
Added proper uninstaller.
Trademark-safe slug update.

1.0.0

Initial release.

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