• Dynamic pages are constructed on the fly as C strings, then sent.
  This requires writing raw html into a C macro.
  Dynamic pages are used for real-time control of the server.
• Static pages are html files sent from a FatFS file system on an SD card.
  Static pages are used for documentation and description.

Dynamic pages:
-- Control Test 1
This page can change LED state, a PWM control, and set a variable.
-- Control Test 2
This page can set the fill color of a SVG rectangle.

Static pages:
-- This page, of course. Title is a PNG file
Maximum file size for any image is 20 KBytes!
-- Static text.

Test JPG send: