IE 11 open in multi tabs perfomance issue

The application that was written base on web api + angular 5. Test page size is about ~5 mb (~5 request) at IE 11 (picture snippet below)

I ought to open similar or ever same page at 10 separate tabs. It works at Google Chrome and Firefox, but IE stop processing after 5-th or 6-th tab (without any error message).

Q:

• Are there any ideas how I can work around it?

• what could be the reason?

• Has Ie 11 some memory limit if so how I can extent it?

Thanks at advance