.htaccess code

[jeff8899]

hi,

 

i have found the below codes on the .htaccess file.

what are they and why it expires?

anyone can explain this?

 

 

<IfModule mod_expires.c>

ExpiresActive On

ExpiresByType image/gif "access plus 1 month"

ExpiresByType image/jpeg "access plus 1 month"

ExpiresByType image/png "access plus 1 month"

ExpiresByType text/css "access plus 1 week"

ExpiresByType text/javascript "access plus 1 week"

ExpiresByType application/javascript "access plus 1 week"

ExpiresByType application/x-javascript "access plus 1 week"

ExpiresByType image/x-icon "access plus 1 year"

ExpiresByType image/svg+xml "access plus 1 year"

ExpiresByType image/vnd.microsoft.icon "access plus 1 year"

ExpiresByType application/font-woff "access plus 1 year"

ExpiresByType application/x-font-woff "access plus 1 year"

ExpiresByType application/vnd.ms-fontobject "access plus 1 year"

ExpiresByType font/opentype "access plus 1 year"

ExpiresByType font/ttf "access plus 1 year"

ExpiresByType font/otf "access plus 1 year"

ExpiresByType application/x-font-ttf "access plus 1 year"

ExpiresByType application/x-font-otf "access plus 1 year"

</IfModule>

[selectshop.at]

This is for to search machines and cache management. For to improve crawl efficiency.

 

http://searchengineland.com/how-to-improve-crawl-efficiency-with-cache-control-headers-88824

 

 

Here you will find more detailed information about how cache works: https://www.mnot.net/cache_docs/