Fiber optic WiFi vs. ADSL: which is better? https://en.itpedia.nl/2021/10/08/glasvezel-wifi-versus-adsl-wat-is-beter/ An unreliable or slow Internet can lead to slow transaction processing, such as bill failures, video conferences that often lag or buffer, or business orders that take too long to process. There are several options for fast internet. Two of these options are fiber optic WiFi and ADSL. Which of these two can better meet our need for fast internet?