In terms of internet connectivity, the length of an Ethernet cable can influence performance. When trying to boost internet speed from a PC, using an RJ45 Ethernet cable can offer more stability than a weak Wi-Fi signal. While this setup might feel more reliable, the cable's length can affect the connection's quality. Standard cables like Cat5e, Cat6, or Cat7 typically work well when kept under 100 meters. However, for better performance, it is often advised to keep the length under 30 meters. A YouTuber ran a test and noticed a drop in speed beyond 30 meters, though this experiment was not conducted under scientific conditions and comes from an internet content creator rather than a formal study. The impact of cable length is just one factor in internet performance. Technology has advanced significantly in recent years, and newer cable types offer better performance. For example, Cat6 cables provide higher bandwidth than Cat5e due to their thicker construction. Even faster options like Cat7 and Cat8 exist, but they may not always be necessary. The usefulness of these cables depends on the specific needs of the user. Beyond the type and length of the cable, its physical condition is also crucial. Minor signs of wear or damage, such as fraying, can reduce performance. This is also true for the connectors at each end of the cable. A bent connector or a damaged locking tab can cause issues and may require replacing the cable. If the cable is in good condition and relatively new, there's no need to replace it unless specific requirements arise, such as the need to support higher speeds like 10 Gbit/s. In summary, while cable length plays a role in internet performance, it is not the only consideration. The type of cable, its physical condition, and the quality of connectors all contribute to the overall connection. Choosing the right cable for the task at hand can ensure a more reliable and efficient internet experience.