Revert "We don't even need headers"

This reverts commit 8ea88283de0821af370444cf170318e55ce98920.
Revert "Add test for jquery option"

This reverts commit 871031239d1b659bd58947259b3e0c473a7ba7a4.
Revert "Try using optimized jquery js code"

This reverts commit faf116de6d97dc35150f98f36b03e0e7097227b7.