There are hundreds, if not thousands of resources for writing on the web; some are good and some are not so good. If you want to learn more, search the web for - 'writing for the web' and discover a multitude of ways to improve and enhance web content. Aligned Path is a great resource for information regarding Higher Ed websites. One of our favorite articles is Landing Pages for Higher Ed Websites.
Bad example: The webteam is creating a web style guide, click here.
Good example: The web team is creating a web style guide.
To limit your word count when writing for the web, use these general rules:
Yes, they do -- yes, they have.
ANY content you use from another person or entity, even if attributed to them, can be a potential copyright infringement. Be sure to get permission (and keep a copy) to use any outside text, images or media on your web pages or uploaded documents.