Have you noticed that your Wi-Fi signal has been a little slower lately, or that your phone isn't operating at the speed you want it to? You might be the person to blame due to your Christmas light display.
U.K. communications regulator Ofcom recently launched an app called Wi-Fi Checker, where users in the Wales area can check the strength of their Wi-Fi signals. The agency noted that there were several things that can help and/or hurt your Wi-Fi strength, including Christmas lights.
As it turns out, this happens because the lights can cause electrical interference that can interrupt your Wi-Fi signal, making it weaker.
However, that doesn't mean you have to take down your icicle lights and have a dark Christmas tree. Remember that electrical interference can come from many difference sources, including baby monitors, microwaves, and even lamps.
This isn't a new problem. According to USA Today, there were similar reports made in 2009 when people complained about their connection during the holiday season.
"Although it might sound silly, interference from domestic lighting and wiring is a major problem across the industry, and at this time of year Christmas lights tend to aggravate it," said Talk Talk senior manager Sylvain Thevenot in a 2009 blog post detailing the problem.
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If you really notice the problem, then you might want to change the location of your router instead of taking away some of the holiday cheer.