huge, big, small, all of them, startup, fortune 500, international bank, local government services. errors occur due to a huge number of reasons: ISPs, lack of

huge, big, small, all of them, startup, fortune 500, international bank, local government services. errors occur due to a huge number of reasons: ISPs, lack of testing, connection issues, outdated tech, cdns, certificates, javascript, js minifiers, assumptions made by devs/po’s. basically the web is so huge and complex that websites will fail in any random number of ways.