The platform is named after the firm's cofounder, Marcus Goldman. Internally, it is seen as a startup within Goldman Sachs. The launch marks another step towards consumer retail banking for Goldman, which is arguably the best known investment bank in the world.
Different modems or routers may be more or less capable of working with the weaker channels that are coming down your phone line. If a channel is considered too weak by your modem or router, then it will not be used. So YES, a modem or router can affect your Internet speed. Finally, there is little point in going for a super fast connection if the sites you are regularly using are limited to significantly slower speeds unless you are doing several things at the same time with different sites.
Your internet connection speed can be affected by many factors. Close any other open browser windows you may have open. Close any programs that you have running which may be connecting to the internet. Run this speed test at different times of the day and different days of the week. Network usage will vary depending on the time of day and your speed may be directly affected by the changes in the network.