Thanks for updating the thread.
- I am not quite sure which tool you have used to Analyse the page load time however I used Pingdom and GTmetrix to analyse the page load time. Here's the result.
As you can see the average page load time is around 2.7 sec which in my view is not bad. I also tested your website on Chrome performance analyser and don't see any major issue with the website. Regarding broken page, I don't see broken link or 404 error in my testing. In the above test result, if you click on the suggestions especially highlighted in the Red color ex Leverage browser caching and remove query strings from static resources,
that is something you need to focus on to improve the page load time. I am sharing the resource that you can take a look:
2) Please take a relook at the solution given my colleague Runel. You need to update the content of
_brand.php file and then upload under
/themes/x-child/framework/legacy/cranium/headers/views/global/. Now to upload and download the files you need a FTP program like Filezilla. Please take a look at following tutorial to get started with Filezilla.
3) To fix the Portfolio page layout, please use following CSS under X > Theme Options > CSS:
clear: both !important;
If you would like to learn CSS, I am sharing few resources that you take a look to get started with CSS and an interesting tool that you can use to speed up the development process.
I recommend you to watch following video that will help you to get started with CSS.
Sometimes it can get a bit difficult to find out the right selector to be able to write the required CSS codes. A handy tool that can help you in this is Google Chrome dev tools. I am sharing the resource that you can refer to get started with dev tools.