Does an ethernet splitter reduce speed?

Ethernet splitters are a useful component to have in the house when you have multiple devices utilizing Ethernet cables ...
EDN

D-LINK INTRODUCES ETHERNET-TO-COAX KIT FOR EXTENDING THE HOME NETWORK USING EXISTING TV CABLING IN THE HOME

D-Link, has introduced an easy-to-use Coax Ethernet Adapter Kit that taps into existing coaxial wiring throughout the home, delivering fast and stable connections for extending a network to devices at ...
Business Insider

What is an Ethernet cable? Here's how to connect to the internet without Wi-Fi and get a speedier connection

An Ethernet cable lets you physically connect your computer to the internet. Ethernet connections are almost always faster than WiFi connections and are usually more stable. You'll need to connect one ...
Ars Technica

Ethernet over HDMI - did any computers use it for network connection?

Some (many?) HDMI cables can also carry Ethernet over HDMI. The main use seems to be to provide internet connection to a smart TV from a cable modem box. Currently I have an ethernet-USB adaptor ...