My Purchase History page is currently loading fine in Firefox.

Try holding down the shift key and hitting the page refresh button. Or try another browser.

Alternative links that might also be worth trying that should show your Purchase History info:

https://www.ebay.com.au/myb/PurchaseHistory

https://my.ebay.com.au/ws/eBayISAPI.dll?MyEbayBeta&currentpage=MyeBayNextAllBuying#myRCP313_hm

https://www.ebay.com.au/myb/Summary?PurchaseHistoryOrdersContainer?ipp=25&Period=1&Filter=1&GotoPage...