WWE was originally called "World Wrestling Federation" or WWF for short, but the abbreviation of "World Wildlife Fund" is also called WWF. As a result, due to the name collision, when developing the website, WWF could not register the domain name of WWF.com as fast as the World Wrestling Federation. Therefore, the World Wildlife Fund sued the World Wrestling Federation in 2, insisting that it used WWF earlier than the World Wrestling Federation, so it had the right to use WWF. In the end, the World Wildlife Fund won, and after affirming the right to use it, it also registered WWF. As a result, the World Wrestling Federation could not use the WWF.com development website or use WWF as its name.

In fact, during the lawsuit, the World Wrestling Federation Entertainment changed its name and registered the domain name WWE.com. The lawsuit lasted for two years. After the World Wrestling Federation was finally defeated in 22, it began to give up using the name WWF completely.

However, there is also a story about registering the domain name WWE.com. It is said that WWE.com was originally registered by a young man. When WWE asked to use this domain name, it was initially rejected. Later, WWE threatened to send a letter to the company. As a result, the young man was scared to give up the domain name unconditionally. WWE.com began to be used by the World Wrestling Federation.

after losing the lawsuit of WWF's right to use, WWF changed its company name from the original World Wrestling Federation to World Wrestling Entertainment, and carried out a large-scale publicity campaign. In the advertisement promoting the name WWE, the phrase "get the F out" was used to bring out the message that WWF had been renamed WWE. (From: Encyclopedia of Chinese and Civilian Wrestling)