Alternatively, if your project is no longer online for instance, you can explain what it was, what it entailed and why it's worth sharing.

Self Evaluation

Evaluate your skills in the following technologies.
0 = No knowledge
25 = Used before but not currently. Needs refreshment.
50 = Use regularly currently for work
75 = Very proficient in the topic / field.
100 = Inventor of technology or wrote books on the topic.