Traffic is loaded for the previous check, so if a project has one check, traffic will not be displayed. But you will see it after the next check. The algorithm works this way to collect traffic for the full day. You can check rankings in the morning, but the main part of the traffic can come in the evening.If there are several checks in a project, but traffic is still not displayed, it means that there were no hits in the project on the dates of checks. You can check how traffic was received according to this manual.