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Problem with full page caching – something is blocking caching

This topic has 3 replies, 2 voices, and was last updated 1 day, 20 hours ago ago by Jack Richardson

Pit

Participant

March 13, 2026 at 10:55

Hello, I’m having trouble caching the site. Our tests indicate it’s caused by xstore. Can you help me? I am sending a copy from the console in the attachment.
Regards

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2 Answers

Pit

Participant

March 13, 2026 at 11:21

The problem:
Every product page returns nestify-cdn-cache: BYPASS because the server receives cache-control: no-store and Set-Cookie: woocommerce_recently_viewed in the response — even for guest users with an empty cart.

This means the CDN cannot cache any product pages, which seriously impacts performance.

Root cause identified:
The woocommerce_recently_viewed cookie triggers a WooCommerce session start (WC_Session_Handler), which automatically calls wc_nocache_headers() and forces no-store on every product page.

What I’ve tried:

remove_action(‘template_redirect’, ‘wc_track_product_view’, 20) — cookie still appears, suggesting XStore sets it via its own function in et-core-plugin

add_filter(‘woocommerce_should_start_session’, ‘__return_false’) — no effect

All mu-plugins PHP snippets — no-store header persists

My question:

Does XStore have a built-in option to disable Recently Viewed Products tracking (the cookie, not just the widget)?

Which exact function/hook in et-core-plugin sets the woocommerce_recently_viewed cookie so I can remove it via remove_action?

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Jack Richardson

Support staff

March 13, 2026 at 14:07
Hello @Pit,

We have the following hooks in our theme:
add_action( 'template_redirect', 'et_wc_track_product_view', 20 );
located in xstore/framework/woo.php

You can temporarily uncomment this line completely and then check the result.

Alternatively, you can use the following custom PHP snippet in your child-theme/functions.php file:

add_action('wp', function() { remove_action( 'template_redirect', 'et_wc_track_product_view', 20 ); }, 70);

For more details, please visit: https://www.8theme.com/topic/caching-issue-due-to-recently-viewed-products/#post-355138

Best regards,
Jack Richardson
The 8Theme’s Team
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