Here's why:
* Common nouns refer to general, non-specific people, places, or things.
* "Site" can refer to any location or place, whether it's a construction site, a website, an archaeological site, etc.
Examples:
* The construction site is bustling with activity.
* I visited the historical site in Rome.
* The site of the new school is being prepared.
Let me know if you have any other questions!