Werk #5591: Only load graphs that are currently visible

Component Metrics system
Title Only load graphs that are currently visible
Date Jan 2, 2017
Checkmk Edition Checkmk Enterprise (CEE)
Checkmk Version 1.5.0i3
Level Prominent Change
Class New Feature
Compatibility Compatible - no manual interaction needed

With this change the graphs shown by the GUI are only rendered when they are (partially) visible to the user. The initial loading of the graphs out of the viewport is now being delayed until they become visible to the user.

This is a performance improvement for views showing a lot of graphs.

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