https://www.pro-pricing.com/ 1.0 https://www.pro-pricing.com/actualites/tutos-pdf 2020-06-13 monthly 0.5 https://www.pro-pricing.com/actualites/prix-tete-client 2019-09-08 monthly 0.5 https://www.pro-pricing.com/actualites/transition-numerique 2019-02-27 monthly 0.5