How To Copyright A Webpage Legally?
如何合法地对网页进行版权保护？
Registering a copyright with the US Copyright Office is voluntary. Copyright protection is extended even without registration. However, a copyright must be registered with the US Copyright Office to fight a legal battle in court.
在美国版权局注册版权是自愿的。即使没有注册，版权保护也会得到扩展。但是，版权必须在美国版权局注册才能在法庭上打官司。