Sign In Get Started
Prepositions before nouns

“on site” or “of site”

“On site” is a common expression meaning at a particular location. “Of site” is not usually used alone but can appear in longer phrases such as “the map of the site.”

Quick answer

Which phrase is standard?

Use “on site” to mean at a workplace, building area, or project location. Do not usually use “of site” by itself. “Of the site” is possible after another noun.

Engineers are working on site today.
We reviewed the layout of the site before construction.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
on site

Talking about location

Use “on site” for people or activities physically present at a location.

Security staff remained on site overnight.
2
noun + of the site

Describing something related to a site

Use “of the site” after another noun.

They discussed the history of the site.
3
site of + event

Identifying a location

Use “site of” to show where something happened or exists.

This area became the site of the accident.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
on site
The technicians are on site now.
At the physical location.
of site
The boundaries of the site are marked clearly.
Used inside a larger phrase, not usually alone.
site of
It was the site of an ancient temple.
The location where something existed or happened.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using “of site” as a complete expression

English normally requires another noun before “of the site.”

✕ Workers arrived of site. ✓ Workers arrived on site.

Confusing “on-site” and “on site”

Use the hyphenated form before a noun.

✕ on site staff ✓ on-site staff

Quick practice

Choose the expression that matches the intended meaning.

1. The medical team is already ___ .
2. We studied the history ___ the site.
3. This building was the site ___ the ceremony.

Check your sentence in context

Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.

Free to try · No signup required

Frequently asked questions

Is “on site” one word?

Usually no. Use “on site” after a verb and “on-site” before a noun.

Can “of site” stand alone?

Not naturally. It normally appears in phrases such as “the map of the site.”

What does “site of” mean?

It identifies the place where something happened or existed.

of, about, against, to or for racism? of, about, for, in or on friendship? of, about, for, on or to thing? of, about, for, to or with sex? of, about, on, to or for moon? "of access" or "with access"? "of accommodation" or "for accommodation"? "of accuracy" or "for accuracy"? "of action" or "in action"? "of actor", "with actor" or "by actor"? "of address" or "to address"? "of administration" or "in administration"?

Write with confidence in Linguix

Create a free account to check complete texts, apply suggestions, and save your documents.

Create a free account