Web Caching

Caching-related bugs in MSIE - Microsoft Internet Explorer

Title 

Internet Explorer May Not Use Images Stored in Local Cache

Link 

http://support.microsoft.com/support/kb/articles/Q217/1/96.ASP

 Summary 

MSIE incorrectly does not send GET-IMS request for images in frame sets that are dynamically generated. There is a bug fix available. [MSIE 4-4.01SP1]

 

Title 

Web Page with "Pragma: No-Cache" Tag Stored in Cache Not Deleted

Link 

http://support.microsoft.com/support/kb/articles/Q234/2/47.ASP

 Summary 

Bug in MSIE for files bigger than 64k, doesn't support META-HTTP pragma: no-cache. Bugfix available.[4-4.01SP2]

 

Title 

Internet Explorer Does Not Load Web Pages That Contain the Euro Character from the Local Cache

Link 

http://support.microsoft.com/support/kb/articles/Q256/3/04.ASP

 Summary 

Bug. [MSIE5.5]

 

Title 

How Internet Explorer Uses the Cache for DNS Host Entries

Link 

http://support.microsoft.com/support/kb/articles/Q263/5/58.ASP

 Summary 

Says DNS cached for IE3 for 24hours. For IE4 and up, uses default of 30min.

 

Title 

Web Pages Retrieved Using Form Submit Are Not Retrieved from the Cache

Link 

http://support.microsoft.com/support/kb/articles/Q226/9/72.ASP

 Summary 

Says MSIE did not store pages or images resulting from a form submission before 4.01SP2.

 

Title 

Images May Not Refresh on a Web Page

Link 

http://support.microsoft.com/support/kb/articles/Q237/8/85.ASP

 Summary 

Images in memory cache are not refreshed. [MSIE5]

 

Title 

Internet Explorer Always Retrieves from Transparent Cache Servers

Link 

http://support.microsoft.com/support/kb/articles/Q266/1/21.ASP

 Summary 

MSIE5/5.5 needs later service pack.

 

Title 

Internet Explorer Does Not Check for Newer Versions of Web Pages

Link 

http://support.microsoft.com/support/kb/articles/Q201/5/35.ASP

 Summary 

Microsoft suggests using regedit to check the value of a registry item if IE doesn't always re-check for new content, even if you have selected 'check on every visit'. [MSIE 4.x/5]

 

Title 

Date and Time Not Updated During Second Visit to Web Site

Link 

http://support.microsoft.com/support/kb/articles/Q196/3/29.ASP

 Summary 

Says IE keeps a small RAM-based cache, and those pages even when they should refresh all the time (i.e. HTML-META tags), don't get refreshed. MS says manually use refresh, or add do-nothing jscript function. [MSIE 4.01 Macintosh]

 

Title 

Error Message: Warning: Page Has Expired: The Page You Requested...

Link 

http://support.microsoft.com/support/kb/articles/Q183/7/63.ASP

 Summary 

IIS4 servers use the "cache-control: private" tag by default. Causes pages not to be retained after POSTing. Bug in MSIE before 4.01 service pack 2.

 

Title 

Web Pages May Not Be Refreshed Upon Every Visit to the Page

Link 

http://support.microsoft.com/support/kb/articles/Q257/1/23.ASP

 Summary 

Even when you set it to check every time, MSIE does not always check every time (particularly when you use the back button); says users should use refresh, and that web pages may need to change their caching tags to cause this behavior. [MSIE 5.5]

 

Title 

Controlling the Caching of Web Pages with IIS 4.0

Link 

http://support.microsoft.com/support/kb/articles/Q189/4/09.ASP

 Summary 

Discusses caching on browser, server, and proxy. Incorrectly suggests using META-HTTP HTML tag. Says to use Expires = 0.

 

Title 

HOWTO: Prevent Caching in Internet Explorer

Link 

http://support.microsoft.com/support/kb/articles/Q234/0/67.ASP

 Summary 

Suggests for IIS to use:

    <% Response.CacheControl = "no-cache" %>
    <% Response.AddHeader "Pragma", "no-cache" %>
    <% Response.Expires = -1 %>

as well as other good suggestions/references. [MSIE4.0-5.5]

 

Title 

"Pragma: No-cache" Tag May Not Prevent Page from Being Cached

Link 

http://support.microsoft.com/support/kb/articles/Q222/0/64.ASP

 Summary 

Says put an HTML head section at end of document as well as beginning in order for meta-tags to be parsed correctly. [MSIE 3.02-4.01] Note that the <HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE"> metatag does not work with Internet Explorer 5.

 

Title 

Err Msg: Internet Explorer Could Not Download <Filename>...

Link 

http://support.microsoft.com/default.aspx?scid=kb;EN-US;q196505

 Summary 

Says that MSIE may have problems downloading files (.xls, .doc, .pdf, etc.) from IIS when content is marked as expired. Suggests making the content expire in the future.

 

Do you know of more Internet Explorer bugs? Please let us know!

 

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Last modified: Sat Feb 9 13:40:23 EST 2008
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