Visualforce Developer Guide
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Investigate Performance Issues
Follow Visualforce Design Guidelines
Control Data Size
Cache Frequently Accessed Data
Lazy Load Page Components
Handle Multiple Concurrent Requests
Write Efficient Apex and SOQL
Write Efficient Getter Methods
Optimize Lists and Tables
Optimize the View State
Optimize HTML
Optimize CSS
Optimize JavaScript
Optimize Images
Prevent Fields from Dropping Off the Page
Use the immediate Attribute Carefully
Visualforce Performance Case Study
Best Practices for Accessing Component IDs
Best Practices for Static Resources
Best Practices for Controllers and Controller Extensions
Best Practices for Using Component Facets
Best Practices for Page Block Components
Best Practices for Rendering PDF Files
Best Practices for <apex:panelbar>
Documentation Typographical Conventions
Write Efficient Apex and SOQL
To
improve the overall performance of
a
Visualforce
page, write efficient
Apex and SOQL.
When you write Apex or SOQL for use within a Visualforce page:
- Perform calculations in SOQL instead of in Apex whenever possible.
- Never perform Data Manipulation Language (DML) operations inside a loop.
- Filter in SOQL first, then in Apex, and finally in Visualforce.