Legal mentions
Publication
This web site is populated, managed and edited by Pierre-Yves Lapersonne as a personal portfolio and not used for promotions of associations or compagnies.
The editor can be contacted by: email at jobs(at)pylapersonne(dot)info, or XMPP at pylapp(at)chapril(dot)org, Matrix at @pylapp:matrix.org or Signal via pylapp.81680085.
Hosting
OVH
SAS (Simplified Joint Stock Company) with a capital of €50,000,000
RCS Lille Métropole 424 761 419 00045
APE Code 2620Z
VAT No.: FR 22 424 761 419
Registered office: 2 rue Kellermann - 59100 Roubaix - France
OVH SAS is a subsidiary of OVH Groupe SA, a company registered with the Lille Trade and Companies Register under number 537 407 926 and located at 2 rue Kellermann, 59100 Roubaix.
SSL / TLS
The TLS certificate for this web site is verified by Let's Encrypt.
Technical notes
This web site can be used using HTTPS; in this case some data are put in cache using a JavaScript service worker which can increase a bit the used storage. This web site can be used also in HTTP mode; in that case only the HTTP cache will be used.
This web site uses JavaScript; however you can disable it because it is used only for the service worker mentioned above and to display a banner.
This web site does not use cookies, trackers or collect any data.
This web site has been designed to be responsive, usable in small and big screens, accessible and usable in reader mode. However things still must be improved as there are discrepencies between web browsers.
Audits
According to the Green Web Foundation, this web site thanks to OVH is hosted green.
With PageSpeed Insights, this web site has been ranked 100 (performances), 99 (accessibility), 96 (good practices) and 100 (SEO) for mobile and 100 (performances), 99 (accessibility), 93 (good practices) and 100 (SEO) for desktop.
With kastor.green, this web site has been scored 94/100 (global), 93/100 (ecodesign) and 100/100 (accessibility).
With Ecograder, this web site has been scored 98/100 (98 for page weight, 99 for UX design and 100 for green hosting).
Trademarks
pylapp is a trademark protected by INPI with reference 5049677 owned by Pierre-Yves Lapersonne.
Last update: Thursday, 13th November 2025