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Instructing Web browsers to cache content

Configure IBM HTTP Server to cache static content such as images, style sheets, and JavaScript™ code.

Ensure that you have mapped all the installed Lotus Connections features to IBM HTTP Server.

Improve performance on slow, high-latency networks by adjusting the expiry period on cached files that are associated with HTTP requests.

To instruct Web browsers and proxies to cache content...

1. With a text editor, open the httpd.conf file from the ibm_http_server_root/conf

2. Adjust the expiry period on cached files by adding the following rules:

   LoadModule expires_module modules/mod_expires.so ExpiresActive On
   
   <LocationMatch  /*/(nav|static|common/styles|images)/ >
     ExpiresByType application/x-javascript "access plus 1 day"
     ExpiresByType application/javascript "access plus 1 day"
     ExpiresByType text/javascript "access plus 1 day"
     ExpiresByType text/css "access plus 1 day"
     ExpiresByType text/plain "access plus 1 day"
     ExpiresByType text/xsl "access plus 1 day"
     ExpiresByType image/gif "access plus 1 day"
     ExpiresByType image/jpeg "access plus 1 day"
     ExpiresByType image/png "access plus 1 day"
     ExpiresByType image/bmp "access plus 1 day"
     ExpiresByType image/icon "access plus 1 day"
   </LocationMatch>
   

   These rules force the browser to cache static content by adding Expires and Cache-Control: max-age headers to static content.

3. Save and close the file.

4. Restart IBM HTTP Server.

Configure IBM HTTP Server

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Add certificates to IBM HTTP Server

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Determining which files to compress

 

Related tasks

Map features to IBM HTTP Server

Required post-customization step

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