Modify two websites(Few pages already modified)

At the moment all [login to view URL] and [login to view URL] pages load the [login to view URL] from the beginning, which has a size of (unpacked) 1,2 MB. But the user needs this file only if he uses the search form. So here is what i need: - [login to view URL] should only be loaded when a user enters something into the search form and not automatically/always from the beginning. - since the .js is then already loaded into the browser, the search form should not be a PHP script by just JS - Besides that I need a small replacement in the HTML source: The canonical meta tag should always end with a "/" ## Deliverables It was done for pages from [[login to view URL]][1] to [[login to view URL] b][2]ut is required to be done for all other pages as well on this website and on [http://verkehrsmittelvergleich.][1]at .