September 15, 2009

Improving MHT Download Performance with Caching

Question: I’m spidering search results and trying to archive hundreds of pages to MHT’s.  I’m testing your control and found it much slower than Internet Explorer. Also, while I’m not doing this now, is this control threadsafe if I ever wanted to try that to improve performance? Answer: Internet Explorer is faster because it uses multiple threads, and because it uses […]

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April 24, 2009

Forcing Web Server to Deliver Fresh (Non-Cached) Response

To force a web server to send a fresh copy (not a cached copy) of the requested document, add a “Pragma: non-cache” HTTP header to the request. If sending a HTTP GET request via these methods: QuickGet, QuickGetStr, Download, etc., then add the Pragma header by calling httpObject.SetRequestHeader(“Pragma”,”no-cache”) prior to sending the GET. If the Chilkat HTTP Request object is […]

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