Keyword Research · Metrics

What Is Search Volume in Keyword Research?

Search volume tells you how many people look for a term, but chasing the biggest numbers is a common mistake. Here is what search volume means, how it is measured, why high volume is not always better, and how to weigh it against intent and difficulty.

Updated: July 2026
Written by: Andrew Odgers, Managing Director
Reading time: 7 minutes
The short answer

Search volume is the estimated number of times a keyword is searched, usually an average monthly figure. It is measured from search data and averaged over twelve months. Higher volume is not always better, as it often means more competition and broader intent. Weigh it against intent and difficulty, not on its own. Figures are estimates that vary by tool, best used to compare terms.

A measure of demand

What volume is, and how it is measured

Search volume is the estimated number of times a keyword is searched in a given period, usually shown as an average monthly figure. It gauges demand; because it counts searches, volume shows how many people are looking for a term, a core metric in any keyword research. Tools estimate it from search data and often average it over twelve months, so a single figure smooths out seasonal peaks and dips. It is an average estimate; because it is smoothed, the headline number can hide big monthly swings.

SV 01

Counts demand

Searches per period.

SV 02

An average

Hides seasonality.

SV 03

Not the whole story

Intent matters more.

Why high is not best, balance and accuracy

Why bigger is not better, how to weigh it, and how exact it is

High volume often means more competition and broader intent, so a lower-volume term with clear intent can be far more valuable to your business. Volume is not everything; because relevance drives results, a smaller, focused term often converts better, which is the appeal of long tail keywords. You balance volume with intent and difficulty, choosing terms that have enough demand, match what you offer and are realistic to rank for. Balance all three; because no single metric decides value, the best keyword is a trade-off, not the highest number, weighed against keyword difficulty. Search volume figures are estimates that vary between tools and rarely match exact reality, so they are best used to compare terms rather than as precise counts. Treat them as guides; because tools differ, compare volumes within one source, not across several.

SEO done properly, from £350 a month

Demand read the
right way.

We look past headline volumes to the terms that actually bring you customers, balancing demand, intent and difficulty so your effort goes where it pays off.

Everything included in your plan:

Google Maps optimisation Full website management Local SEO campaign AI optimisation (GEO) Facebook, Instagram and LinkedIn Quarterly audits Monthly reporting
£350 per month

One clear retainer. No setup fee.

Frequently asked

Search volume in keyword research

What is search volume in keyword research?
Search volume is the estimated number of times a keyword is searched in a given period, usually shown as an average monthly figure. It gauges demand. Because it counts searches, volume shows how many people are looking for a term.
How is search volume measured?
Tools estimate it from search data and often average it over twelve months, so a single figure smooths out seasonal peaks and dips. It is an average estimate. Because it is smoothed, the headline number can hide big monthly swings.
Is higher search volume always better?
No, high volume often means more competition and broader intent, so a lower-volume term with clear intent can be far more valuable to your business. Volume is not everything. Because relevance drives results, a smaller, focused term often converts better.
How do you weigh volume against other factors?
You balance volume with intent and difficulty, choosing terms that have enough demand, match what you offer and are realistic to rank for. Balance all three. Because no single metric decides value, the best keyword is a trade-off, not the highest number.
Are search volume figures accurate?
No, they are estimates that vary between tools and rarely match exact reality, so they are best used to compare terms rather than as precise counts. Treat them as guides. Because tools differ, compare volumes within one source, not across several.