Diff for "Foundations/SystemPerformance/ImprovingPageLoadPerformance"

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⇤ ← Revision 2 as of 2010-03-08 04:58:23 →
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Editor: mars
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← Revision 5 as of 2010-03-08 05:20:00 → ⇥
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Editor: mars
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= Improving Page Load Performance =
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 * See why the Librarian is '''not reusing connections'''
 * Remove SSL
 * Cut payloads
  * Uglification: Remove newlines, spaces, and comments from returned HTML
  * Remove Mochikit
  * Are we serving static data from cookieless domains?
 * Domain sharding for librarian lookups (need numbers to back this up)
 * CDN or poor man's CDN to help US, Southwest Pacific, and South American users
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 * Chameleon (numbers?)
 * Memcached
 * Detailed profiling numbers
  * Time spent in session authentication?
  * Time spent in the database?
  * Time spent rendering the response?
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 * Load JavaScript using the `deferred` attribute
 * Lazy-loading JavaScript for key pages
 * Change inline script node ordering to maximize parallel downloads

This page is a collection of ideas for improving the Time To Interact of pages on Launchpad.net.

Contents

  1. Which Users Should We Target?
  2. What Can We Improve?
    1. Network Time
    2. Generation Time
    3. Render Time

Which Users Should We Target?

Numbers for Firefox, OEM/IE in China, Europe vs. USA, new vs. repeat visitors

How do these factors affect TTI?

What Can We Improve?

Network Time

  • See why the Librarian is not reusing connections

  • Remove SSL
  • Cut payloads
    • Uglification: Remove newlines, spaces, and comments from returned HTML
    • Remove Mochikit
    • Are we serving static data from cookieless domains?
  • Domain sharding for librarian lookups (need numbers to back this up)
  • CDN or poor man's CDN to help US, Southwest Pacific, and South American users

Generation Time

  • Chameleon (numbers?)
  • Memcached
  • Detailed profiling numbers
    • Time spent in session authentication?
    • Time spent in the database?
    • Time spent rendering the response?

Render Time

  • Load JavaScript using the deferred attribute

  • Lazy-loading JavaScript for key pages

  • Change inline script node ordering to maximize parallel downloads

Foundations/SystemPerformance/ImprovingPageLoadPerformance (last edited 2010-08-11 04:27:05 by sidnei)