1.Check whether developer worked on projects similar to your requirement or not
2.Clearly define your requirements for developer. Test him whether he clearly understand your needs or not
3.Know his Hourly rates. Ask him about what quality of work you can expect from him in a Hour
4.If you are not a programmer, study something in general what is programming and web development at least for your requirement point of view
5.Make sure your website server is capable to handle future enhancements. Ask about this with him
6.Ask about certifications he done and check his knowledge about latest related technology updates
7.Ask about how he can provide you best services ? What is his strength and weakness
8.Ask what help he can expect from you in between project.
9.Ask about coding standards and his documentation capabilities
10.Notice his motivation and involvement factors for work related discussion
