Possible bug relating to Codecs Pack

Tumblr site does not load properly in Chrome or Firefox - takes several minutes to load and when loaded does not display properly.
Chrome was installed via Software Boutique following software listing update.
Codecs Pack installed via Software Boutique following software listing update.
Other websites seem to load fine (not exhaustive test by any means).
Removal of Codecs Pack corrected the issue

System is AMD A8-7600 R7 integrated graphics, 8Gb memory.

Thanks

It loads fine in Seamonkey 2.46.

I have an AMD system as well.

I cannot confirm this problem either in Chrome 57 on Ubuntu MATE 17.04.