This skin request ~10kB download from your browser, so it's very friendly with extremly slow connexion (ie GPRS). Graphs are loaded only when you click on relevant menu to reduce as much as possible the network traffic.
Here is a screenshot of Firefox inspector:
Favicon can be modified or removed in case you need even less kB !
wget -O ultralight.gz https://github.com/bonjour81/weewx-ultralight/tarball/master
sudo wee_extension --install ultralight.gz
Please modify the keys in [Extras] section in skin.conf to match your needs:
[Extras]
title_mobile=Meteo Saint-Sulpice # page header
website_txt=Full site # link text in footer to full website.
website=http://www.meteosaintsulpice.fr # link in footer to full desktop website
today=Aujourd'hui # set here your translation for "today"
sevenday=7 jours # set here your translation for "7 days"
thirtyday=30 jours # set here your translation for "30 days"
sudo wee_extension --uninstall ultralight