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Asp.Net Performance considerations while Architecting

Performance considerations while architecting Asp.Net
  1. Use Session State only if you need to
  2. Use View State only if you need to
  3. Avoid Auto event wireup
  4. Remove unnecessary Http Modules
  5. Encode request and response using ASCII instead of UTF
  6. Use optimal Authentication procedure. in order of increasing cost: None, Windows, Forms, Passpost. Make sure you use the cheapest one that best fits your needs.
  7. Aggressive Caching will improve performance. OutputCaching of many types
    • Duration—Time item exists in the cache
    • VaryByParam—Varies cache entries by Get/Post params
    • VaryByHeader—Varies cache entries by Http header
    • VaryByCustom—Varies cache entries by browser
    • Override to vary by whatever you want:
      • Fragment Caching—When it is not possible to store an entire page (privacy, personalization, dynamic content), you can use fragment caching to store parts of it for quicker retrieval later.
      •  VaryByControl—Varies the cached items by values of a control
    • Cache API—Provides extremely fine granularity for caching by keeping a hashtable of cached objects in memory (System.web.UI.caching). It also:
      • Includes Dependencies (key, file, time)
      • Automatically expires unused items
      • Supports Callbacks
Caching intelligently increases performance

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