The flash is typically due to Firefox waiting for a response from a web server. You can use a page from your local machine to alleviate the wait time. Here's ho

The flash is typically due to Firefox waiting for a response from a web server. You can use a page from your local machine to alleviate the wait time. Here's how I do it [^1]: [1]: https://habd.as/post/burying-firefox-white-tab-death/#hack-2-start-from-filesystem-url https://habd.as/post/burying-firefox-white-tab-death/#hack-2...