Debug First Freeze

[james-rae]

Bit of a weird one.

• Only can get it to happen on mobile (so no console to inspect).
• Tends to only happen when first loading the site in a new browser.
• Only seems to happen after a fresh build has been published.
• Only started happening after v0.10.0.

Current theory: Fresh site is forcing all assets to download. Mobile is slower; unsure why, it's on same WIFI and modern hardware, but it always tends to draw slower. Some scenario in the animation "not initialized" disaster recovery suite is being missed, so it's hard-erroring. Subsequent load has enough assets cached in browser to not hit the problem.

[james-rae]

Appears to be doing the trick in QA build. Will watch to see if it keeps freezing after this releases.