Hello I am using drupal 7 and yslow tool in ff.

it shows me grade B

Grade F on Make fewer HTTP requests

This page has 11 external Javascript scripts. Try combining them into one. This page has 5 external stylesheets. Try combining them into one.

As i am not able to combine all javascript and css files.

I also enabled cache . but i don't know how it work.

Grade F on Add Expires headers

There are 75 static components without a far-future expiration date.

i also made changes in .htacess file still not working .. Please let me know

Grade C on Put JavaScript at bottom

i am using iframe in my website . How to include javascript at bottom for this?

Anybody have idea please let me know.


1 Answer 1


for Grade F on Make fewer HTTP requests

Locate them at admin > configuration > development > performance. There you'll see two options:

Aggregate and compress css files.
Aggregate Javascript files

enter image description here

  • these are already enabled Mar 28, 2013 at 5:07
  • 5
    @HituBansal Note that aggregation of JS & CSS files will work when files are added using drupal_add_js if you have directly added it like <script src=''> then it wont get compressed.
    – GoodSp33d
    Mar 28, 2013 at 7:27

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