By default, the rewriter is enabled for all proxy services. The rewriter can slow performance because of the parsing overhead. In some cases, a website might not have content with URL references that need to be rewritten. The rewriter can be disabled on the proxy service that protects that website.
Click Devices > Access Gateways > Edit > [Name of Reverse Proxy] > [Name of Proxy Service] > HTML Rewriting.
Deselect the Enable HTML Rewriting option, then click OK.
To apply your changes, click the Access Gateways link, then click Update > OK.
Select Access Gateway, then click Actions > Purge All Cache > OK.