When you use Chrome version 67+ to open a Web page through an on-premise Web Isolation gateway with version 1.10.322 or earlier, you experience latency of three seconds or a blank screen.
Chrome version 67+
On-premise Web Isolation Gateway version 1.10.322 or earlier.
This problem is fixed in Web Isolation 1.11. To obtain the latest version, read the article Download the latest version of Web Isolation.