Weather/Temp from online source

Here’s the current version. There’s a few settings for polling:
Automatically Poll: Enable this to automatically poll every x minutes.
Poll Interval: Prevents polling run more than once during this interval. Clicking Force Poll will force an update. Automatically poll by this interval, if enabled.

Right now illuminance is directly mapped to solarradiation. I’m not sure how it worked on webCoRE. Is there a formula to convert W/M2 to lux?