Mobile version main page is too slow

[tsukerka]

Hi guys!

I have an issue with the main page of mobile version of my site (PC version works perfectly). The button ‘back to top’ won’t function, the mobile menu slideout is very slow and the page laggs all the way. Seems like some script loads the main page during the whole visit.

I’d like to notice that it’s totally different on any other page of the site. Everything works perfectly on a shop page for example. With this message I attached video comparaison of the situation on the main page and the shop page. As you can see – everything works perfectly on a shop page, while the main page is a great mess.

When I simulate mobile version via google chrome webmaster console I get this mistake:
isotope not initialized. Cannot call methods, i.e. $().isotope(“layout”) ( I attached the screenshot)

I minimized all images on my site. My internet connection is also good. I updated all plugins and theme.

I also feel that I didn’t have this problem earlier. It appeared all of a sudden. Maybe after some update of a swift framework, not sure.

I don’t know what to do and where to search the solution. Please help me! I attached admin login/password.
Thank you in advance!

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[tsukerka]

UPD:

That error wouldn’t show up on other pages (I attach the screens with this message).

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[Rui Guerreiro – SUPPORT]

Hi,

Will have to forward this one to the development team.
Let’s wait for the reply.

-Rui

[Swift Ideas – Ed]

Hi there,

Just tested on my iPhone and I don’t get that console error, and the back to top button works without issue. Have you tested on a device rather than the Chrome browser tool?

The issue is likely down to image optimisation, and utilising plugins such as WP Super Cache and Autoptomize to make the site run as quick as possibly.

– Ed