Title: Intersection Observer API
Last modified: May 11, 2019

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# Intersection Observer API

 *  Resolved Anonymous User 17142718
 * (@anonymized-17142718)
 * [7 years ago](https://wordpress.org/support/topic/intersection-observer-api/)
 * Does the plugin “Lazy Load by WP Rocket” use “Intersection Observer API”?
    And
   would you let me know how do I check if the API works or not.
    -  This topic was modified 7 years ago by Anonymous User 17142718.

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [rsmith4321](https://wordpress.org/support/users/rsmith4321/)
 * (@rsmith4321)
 * [7 years ago](https://wordpress.org/support/topic/intersection-observer-api/#post-11565720)
 * Yes it does
 *  Plugin Contributor [WP Rocket](https://wordpress.org/support/users/wp_rocket/)
 * (@wp_rocket)
 * [6 years, 10 months ago](https://wordpress.org/support/topic/intersection-observer-api/#post-11789953)
 * Hi,
 * Indeed it does. You can see the browsers support for it here: [https://caniuse.com/#feat=intersectionobserver](https://caniuse.com/#feat=intersectionobserver)

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Intersection Observer API’ is closed to new replies.

 * ![](https://ps.w.org/rocket-lazy-load/assets/icon-256x256.png?rev=2715509)
 * [LazyLoad Plugin – Lazy Load Images, Videos, and Iframes](https://wordpress.org/plugins/rocket-lazy-load/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/rocket-lazy-load/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/rocket-lazy-load/)
 * [Active Topics](https://wordpress.org/support/plugin/rocket-lazy-load/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/rocket-lazy-load/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/rocket-lazy-load/reviews/)

 * 2 replies
 * 3 participants
 * Last reply from: [WP Rocket](https://wordpress.org/support/users/wp_rocket/)
 * Last activity: [6 years, 10 months ago](https://wordpress.org/support/topic/intersection-observer-api/#post-11789953)
 * Status: resolved