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Published: Fri, 27 June 2008, 10:28, also tagged: technology, rss, news, development, internet, programming, xml, php, http, java, syndication, speeple, speeple news, newsbot, last modified, if modified since, if none match
To further improve the performance of the Speeple News “NewsBot” I have implemented support for ETag and Last-Modified HTTP headers. This basically means that only the HTTP headers will be retrieved rather than the full body content if the feed hasn’t changed since the last time NewsBot accessed the XML feed.
This not only improves the efficiency fetching content for Speeple News, it also benefits webmasters and site owners because less bandwidth is used.
Initial statistics shows that supporting HTTP ETag / Last-Modified headers along with handling gzip encoded content has reduced bandwidth costs by over 60%.