Disclaimer

*This guide is all strictly browser-side modifications and does not include any external extensions or scripts. While I believe there is a 0% chance of this being an escalated issue and risk on your account, the real chance is still non-zero as for any and all.

These enhancements target the browser, which Granblue Fantasy just happens to be on. There are no malicious script injections, game modifications or the like within this guide, although the devs may say these modifications are otherwise.

These are notes recommended based on my own personal experience and only sharing as reference for me to look back on, feel free to pick out or adjust from any of these points.*

Recommended Browser and Version

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A recommended browser for Granblue Fantasy is SRWare Iron as it removes majority of the bloat that regular Chrome uses.

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Generally you can go for the latest version, but personally i’ve been using SRWare Iron v109 - it’s the latest version that can still take advantage of experimental web platform features that i’m after.

As always, YMMV with this stuff so best to play around with it yourself to get a stronger opinion on your own preferences.

Download: http://download1.srware.net/old/iron/win/109/

Some other posts (notably here) highlight to use v105, but in general, reducing bloat for improved performance is what we’re targeting so even a later version is fine.

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Newer versions (110+) do not support the specific Experimental Web Platform features we want for skipping certain animations in battle like swiping portraits without additional extensions or userscripts so for a pure experience, you would ideally use version 109 or lower.

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Command Line Flags

Add these flags to your SR Iron shortcut's "Target" field after the .exe path:

--profile-directory=Default --disable-remote-fonts --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-renderer-backgrounding

Full example:

"C:\Program Files (x86)\SRWare Iron\chrome.exe" --profile-directory=Default --disable-remote-fonts --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-renderer-backgrounding