Jetpack Photon

Jetpack Photon is an integrated image CDN service for sites hosted on WordPress.com, or on self-hosted Jetpack-connected WordPress sites. When enabled, Jetpack Photon removes the width and height information returned by key WordPress functions, which in turn removes it from the webpage HTML. This allows images that are too large for their HTML container to be down-sized dynamically by the browser. This “flexibility” comes at a cost however – the WordPress image_downsize() function is unable to return image dimensions, which are essential to some plugin like NGFB. The NGFB Pro version includes a Jetpack Photon Addon that hooks into the ‘wpsso_image_downsize’ filter and re-introduces the missing width and height values for NGFB image sizes.

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