Inspection, control, supervision, certification and verification of the authenticity and sincerity of comments, opinions, recommendations or suggestions, in particular those formulated by Internet users on Websites, namely, design, development, and implementation of software for authenticating website comments, opinions, recommendations, advice, based on proof of a real purchase of the goods/services and for an automatic recognition and certification of such a proof; control and testing services, online, with a view to issuing a certificate of conformity with specified requirements, in particular for the inspection, control, supervision, checking and certification of the authenticity and sincerity of comments, opinions, recommendations or suggestions, especially those formulated by internet users on Websites, namely, design, development, and implementation of software for authenticating website comments are made by human and not robots; online computer services intended for preventing the storage of Webpages by software for capturing the IP address of Internet users, namely, design and development of electronic data security systems relating to the capture of IP addresses; online computer services intended for blocking access to untrusted or suspicious Webpages namely, restricting access to and by computer networks to and of undesired web sites; online provision of reputation-based filtering for Internet sites, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities; development of computer software; development of computer software application solutions; design of computer programs; software design; online provision of Web-based applications, namely, hosting of web sites, hosting the software, websites and other computer applications of others on a virtual private server; online provision of Web-based software, namely, hosting of web sites, hosting the software, websites and other computer applications of others on a virtual private server; computer software rental; updating of computer programs; updating of computer software; upgrading of computer software; Web portal services, namely, providing an internet website portal in the fields of designing or hosting online computer software