Hugh Winkler holding forth on computing and the Web

Monday, February 05, 2007

Web 0.9

Sure took a long time to pay the car note this evening. I wish the developers had read Mark's caching tutorial (or rather that their J2EE framework developers had). Below are headers representative of about a hundred .gif, .css, and .js resources used on the page:


GET /navigation/images/global/company.gif HTTP/1.1
Host: www.financecompany.example.com

...

HTTP/1.x 200 OK
Server: IBM_HTTP_Server/2
Last-Modified: Tue, 20 Sep 2005 18:24:36 GMT
Etag: "31e467-450-2c11c100"
So far, so good

Accept-Ranges: bytes
Content-Length: 1104
Content-Type: image/gif
Expires: Mon, 05 Feb 2007 07:31:41 GMT
Cache-Control: max-age=0, no-cache, no-store
Pragma: no-cache
Date: Mon, 05 Feb 2007 07:31:41 GMT
Huh? It's a GIF that hasn't changed in a year.

Connection: keep-alive

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