There is a reason why people are using newer, better browsers than IE.
It’s the devil of browsers and making anything work in it is a real pain for programmers, as it’s never been developer friendly. Statistically, its only used by less than 4% of the global population.
For example, here is what your Webtix page may look like on IE:
Pretty squishy, right?
Even Microsoft wants users to migrate to their new browser, Microsoft Edge, which displays Webtix well. Chrome, Firefox and Safari are all good choices.