Searching for information on the Internet has some benefits: it is free, convenient, easy to use and huge. However, there are limitations to doing research on the Internet as well: it is huge, impermanent, there is a lack of accountability, there is a lot of misinformation and it misses the scholarly information behind paywalls.
Keep in mind that information on the Internet will require you to closely evaluate the source.
Here are some recommended websites for Theology.