Choosing the right keywords in SEO is not just about finding the phrases with the highest search volume. You also need to know when demand rises, where it is strongest, which topics are growing and which are fading. That is what Google Trends is for. It is a free Google tool that shows relative interest in search terms and topics over time and by location. This guide explains how to use it for keyword research, content planning and competitor comparison, and how to read the data correctly.

Google Trends is a free tool that lets you examine relative interest in search terms and topics by time and place. It shows how popular a search is compared with itself over time, or with other searches.

What Is Google Trends Useful for in SEO?

  • Comparing keywords: which of two or more phrasings is more popular.
  • Finding seasonal demand: when interest peaks and when it drops.
  • Seeing regional differences: which countries, regions or cities search the most.
  • Discovering rising queries: emerging topics before they get crowded.
  • Planning the content calendar: publishing before the season, not during it.
  • Examining brand demand: how interest in your brand moves over time.
  • Comparing competitors: brand-vs-brand interest.

Trends data is a sample of searches, normalized to a scale from 0 to 100. It doesn’t tell you how many searches there are, only how interest changes.

What Does 100 Mean?

The highest relative interest within the selected time range and location. 50 means half as much interest as at the peak.

What Does 0 Mean?

Not necessarily zero searches. It can mean there isn’t enough data or that interest is very low.

No. It shows normalized, relative interest, not monthly search counts. For volumes you need keyword tools or Google Search Console data.

Google TrendsKeyword tools
Data typeRelative interestEstimated monthly volume
StrengthTiming, seasonality, comparisonVolume, difficulty, CPC
Time viewStrongLimited

Use them together. For the keyword basics, see how to find the right keyword.

1. Define Your Research Goal

Are you choosing between phrasings, planning a calendar, or testing a new market? The goal determines the settings.

2. Search Term or Topic?

  • Search term: matches the exact phrase (and close variants).
  • Topic: a broader group of searches related to a concept, including other languages and spellings.

Use a search term to compare specific phrasings, and a topic to understand overall interest in a concept.

3. Choose the Right Location

Select the country or region you actually target. For local businesses, narrow it down to the region. Interest in one place can differ strongly from another.

4. Choose the Time Range

  • Short range (past 7 days, 30 days): to catch news, spikes and current events.
  • Long range (5 years or more): to see seasonality and long-term direction.

5. Use the Category Filter

Filtering by category separates meanings (for example “apple” the fruit versus the company).

6. Pick the Search Type

Web, image, news, Google Shopping and YouTube searches differ. E-commerce sites benefit from the shopping view; video content from YouTube.

7. Compare Keywords

Compare several phrases on one chart. Keep similar scopes (don’t compare a tiny brand with a global one) and check each for the right meaning.

Example: comparing “SEO consultant”, “SEO expert” and “SEO agency” over five years shows which phrasing is growing, which is flat and which to use in titles.

Analyzing Seasonality

A repeating yearly pattern means seasonal demand. For example, searches for gifts, tax, back-to-school, holiday travel or heating products follow a predictable cycle.

When should seasonal content be published? Before the peak, so it is indexed and has time to gain ground; usually weeks to a couple of months ahead, depending on how quickly your site is crawled.

Sample seasonal SEO calendar:

MonthAction
Two months before peakResearch and brief content
One month beforePublish and optimize pages
PeakPromote, update, monitor
After peakRefresh and keep evergreen parts

Combine seasonal pieces with evergreen content so you keep traffic between peaks.

  • Rising trend: interest grows steadily over time; an opportunity to build content early.
  • Falling trend: interest declines; avoid heavy investment or update existing pages instead.
  • Sudden spike: a short burst (often news-driven). Useful for timely content, but don’t build a long-term strategy on it. See Google Hot Trends.

Using Regional Interest

The regional map shows where interest is highest. Use it to prioritize locations for local pages, ads or language versions. Values are relative to each region’s total search volume, not absolute counts, so a small region can show “100” while having few searches. For more on location strategy, read local SEO.

  • Related topics show concepts connected to your search.
  • Related queries show the phrases people search along with it.

Top vs. Rising Queries

  • Top queries are the most searched overall.
  • Rising queries show the biggest growth since the previous period.
  • “Breakout” means growth of over 5,000% (often a new topic with little prior data) — a signal worth exploring quickly.

Combine these with related searches and semantic SEO to broaden your topic coverage.

Enter a core topic, scan related queries and rising searches, group them, and turn them into a content map: a pillar page, supporting articles and timely pieces. Then write titles around the exact phrasing people use; see how to write an SEO-friendly title and how to write an SEO-friendly article.

Uses for Specific Sites

  • E-commerce: test product names, seasonality and category demand. See e-commerce SEO.
  • Local businesses: compare demand across cities.
  • Content sites: plan editorial calendars.

Combine It with Other Tools

Use Google Search Console for your real queries and Google Analytics for behavior, and treat Trends as the timing layer on top.

Limitations and Common Mistakes

  • Reading it as search volume.
  • Comparing terms with very different scales.
  • Ignoring location and time settings.
  • Mixing up search term and topic.
  • Building a strategy on a short spike.
  • Using it alone — data is sampled and relative, so confirm decisions with other sources.

Use it at the start (what to write), before publishing (when to publish) and during review (is demand shifting). If you want expert help turning insights into a plan, see our SEO consultancy and the overview what does SEO mean.

Frequently Asked Questions

A free Google tool that lets you examine relative interest in search terms and topics by time and location.

Yes: keyword comparison, seasonality, regional interest, related queries and content calendars.

Yes, for basic use.

No. It shows normalized relative interest, not monthly search counts.

The highest relative interest in the selected time and location.

What does 0 mean?

It doesn’t always mean no searches; there may not be enough data or interest may be very low.

What is the difference between a search term and a topic?

A search term focuses on a specific phrase; a topic covers a broader group of searches related to a concept.

How many keywords can be compared?

Several search terms or topics can be compared on one chart in the Explore view.

It is useful for understanding general search trends, but because it is sampled and relative, don’t treat it as exact market data on its own.