You are to visit one wiki site that allows you to create your own wikis. This is an example: https://pbwiki.com/. In this site, you can create your own wiki. Other similar sites are the following: https://en.wikipedia.org/wiki/Comparison_of_wiki_software.
If for some reason you cannot create your own wiki, you can also look for existing wikis for evaluation. Here you have a nice list of them: https://lists.econsultant.com/top-best-wikis-websites.html
Write a review of the website, structured as follows (please use these headings):
Try to set up your own wiki and select a existing one:
- Name and description of the wiki you selected
- Summary description of its structure and purpose
- Its overall "look and feel" and apparent target audience
- What you find useful about this wiki
- Your personal application: reasons for your selection and how would you use it
- Any other things about the tool that you find interesting
- Bottom-line evaluation of its value to you