關於網頁載入時間問題

我的drupal載入時間都要4秒以上

主要是載入node就花了3秒多

不知是哪有問題

核心7.36

已下是我安裝的模組

active_tags
admin_menu
backup_migrate
boost
cck
ckeditor
ckfinder
contemplate
ctools
date
edit
email
entity
entitycache
entityreference
entityreference_view_widget
field_permissions
geshifilter
google-code-prettify
imce
imce_plupload
jquery_update
libraries
link
list.bat
list.txt
mail_tracking
memcache_storage
nodeaccess
phpmailer
plupload
quickedit
README.txt
references
rules
smtp
snippets
speedy
syntaxhighlighter
token
varnish
views
views_autocomplete_filters
views_contact_form
visitors
workflow
workflow_fields
wysiwyg