Website Content Optimization
Mirage 2.0: Solving the Mobile Browsing Speed Challenge

Mirage 2.0: Solving the Mobile Browsing Speed Challenge

6/13/2013 · Matthew Prince

What this post added

Mirage 2.0 introduces image virtualization, storing full-resolution images alongside a significantly reduced-size virtualized version with metadata. This virtualized image is delivered first, allowing for correct DOM sizing and immediate page rendering. It minimizes requests by streaming all images via a single request, similar to Rocket Loader. Full-resolution images are then progressively loaded in the background without causing page reflow. Mirage 2.0 also features a 'Learning Loader' that adapts its aggressiveness based on browser capabilities and network speeds, gathering real-time browsing intelligence for further optimization.

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