Kashirina, На юкоз кэширование настроить не возмоможно, т к нет доступа к файлу .htaccess через который и настраивается кэширование прописыванием определённых параметров.
Код
<IfModule mod_expires.c>
ExpiresActive on
ExpiresDefault "access plus 1 month"
# cache.appcache needs re-requests in FF 3.6 (thanks Remy ~Introducing HTML5)
ExpiresByType text/cache-manifest "access plus 0 seconds"
# html
ExpiresByType text/html "access plus 0 seconds"
# XML
ExpiresByType text/xml "access plus 0 seconds"
ExpiresByType application/xml "access plus 0 seconds"
# RSS
ExpiresByType application/rss+xml "access plus 1 hour"
# Favicon
ExpiresByType image/x-icon "access plus 1 week"
# Картинки
ExpiresByType image/gif "access plus 1 month"
ExpiresByType image/png "access plus 1 month"
ExpiresByType image/jpeg "access plus 1 month"
ExpiresByType image/jpg "access plus 1 month"
# HTC файлы (например css3pie)
ExpiresByType text/x-component "access plus 1 month"
# Нестандартные шрифты сайта
ExpiresByType application/x-font-ttf "access plus 1 month"
ExpiresByType font/opentype "access plus 1 month"
ExpiresByType application/x-font-woff "access plus 1 month"
ExpiresByType image/svg+xml "access plus 1 month"
ExpiresByType application/vnd.ms-fontobject "access plus 1 month"
# CSS и javascript
ExpiresByType text/css "access plus 1 year"
ExpiresByType application/javascript "access plus 1 year"
</IfModule>
# Cache-Control браузера
<ifModule mod_headers.c>
# 30 дней
<filesMatch ".(ico|pdf|flv|jpg|jpeg|png|gif|swf)$">
Header set Cache-Control "max-age=2592000, public"
</filesMatch>
# 30 дней
<filesMatch ".(css|js)$">
Header set Cache-Control "max-age=2592000, public"
</filesMatch>
# 2 дня
<filesMatch ".(xml|txt)$">
Header set Cache-Control "max-age=172800, public, must-revalidate"
</filesMatch>
# 1 день
<filesMatch ".(html|htm|php)$">
Header set Cache-Control "max-age=172800, private, must-revalidate"
</filesMatch>
</ifModule>
