Author

Who is the author?  

Are they qualified to write about this topic?

Is there a way to contact the author?

Accuracy

How do you know the information is correct?

Did the author list their sources?

Is this information consistent with other sources?

Is the information useful for your purpose?

Objectivity

Is the information unbiased?

Does the website try to persuade you to do or believe something?

Fact or opinion?  Blog?

Does the website try to sell something?  

Advertisements? Sponsored site?

Currency

Is the information current, up to date?

When was the website written or updated?

Does your topic require up to date information?

Ease of Use

Is there a table of contents, index, site map, etc.?

How organized is the information?

Do the links work?

Is it under construction?

Domain Extensions, Etc.

Anyone can get a website with these domain extensions…

.com

.org

.net

.info

Personal websites can be indicated with the following symbols:  ~ or %

Blogs and wikis

.blogspot

.wordpress

.tumblr

.weebly

.wikipedia

University:  .edu

K-12 School:  .k12

Government:  .gov

Military:  .mil

Country domains:  .fr, .au, .mx, .uk, ...