A Visualforce page loads slowly due to the large amount of data it displays.
Which strategy can a developer use to improve the performance?
A . use lazy loading to load the data on demand, instead of in the controller’s constructor.
B. use an <apex:actionPoller> in the page to load all of the data asynchronously.
C. use Javascript to move data processing to the browser instead of the controller.
D. Use the transient keyword for the List variables used in the custom controller.
Answer: A
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