Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/blame/commit/247be79a99041e0b5f56cea4100f5cc98e827b64/include/configs/exynos5-dt-common.h
You should set ROOT_URL correctly, otherwise the web may not work correctly.