It took me several minutes just to get connected to Panera Bread’s Wi-Fi, and Web pages were agonizingly slow to load. The culprit was obviously on the network side, so it’s not like I can go in the back and start tinkering with the router. The manager said he could fix the problem: “I can reset the router” The moral of the story: If you encounter a problem at your favorite coffee hole, ask an employee to reset their gear.”]
Source: https://www.csoonline.com/article/2125770/troubleshoot-sluggish-or-non-working-wi-fi.html