Figure 9From: Using caching and optimization techniques to improve performance of the Ensembl websiteLoad times for an AJAX-enabled page. A screenshot of the Firebug analysis of download times for a typical AJAX-enabled page. Static files are sent to the browser first, as indicated by the red 'load' line which falls immediately after the time bar for the last .gif file used by the sequence navigation, then dynamic images are sent as they become available.Back to article page