I have spent a lot of time doing deep and prospective testing, both as a tester but also as a

Check whether the line chart and brush chart match

Why is the September chart line emboldened and the monthly graph wider?

Obsolete currencies have missing flags next to the currency name.

Wrong information given when selecting obsolete currencies

Xe Live Exchange Rates – Please consider improving visibility of main currency selection box

Please consider putting currencies in alphabetical order after frequency order

Are obsolete currencies supposed to be listed with the current currencies?

The amount stays the same when reloading website or going to other pages

Conversation rate jumps between 2$ to 200$ when adding a # to the amount

Users are able to add special characters and alphabetical letters to the amount field.

JavaScript code shows up on the Front End