Keyword research is no longer just about finding keywords with high search volume. In 2026, businesses need to understand what people are searching for right now, why search interest is increasing, and whether a trend is relevant to their target audience.
What Is the Google Trends Category Filter?
The Google Trends category filter allows you to refine search-interest data according to a specific category.
This is particularly useful when a keyword has multiple meanings.
For marketers, categories can help reduce irrelevant data and make keyword research more focused.
Instead of asking:
“Is this keyword trending?”
You can ask:
“Is this keyword trending among people interested in my specific industry?”
That distinction can make your content strategy much more effective.
Why Trending Keywords Matter for SEO in 2026
Traditional keyword research often focuses on metrics such as:
- Search volume
- Keyword difficulty
- Competition
- Cost per click
- Search intent
These metrics remain useful, but they don’t always show momentum.
A keyword with moderate search volume but rapidly increasing interest may become much more valuable than a keyword with consistently high but stagnant demand.
Google Trends provides relative search-interest data rather than absolute search-volume figures. Its Explore features can also show related and rising searches, helping marketers discover topics gaining attention.
For example:
Keyword A: 100,000 searches every month for years
Keyword B: 10,000 searches today but growing rapidly
Keyword B could represent an emerging opportunity.
The goal is to identify that opportunity early.
How to Use Google Trends Category Filter for Keyword Research
Start with a Broad Topic : Begin with a topic related to your business. For a digital marketing agency such as FirstRankology, you could start with:
- SEO
- AI search
- Google AI
- digital marketing
- local SEO
- social media marketing
- content marketing
- ecommerce SEO
Don’t worry about finding the perfect keyword immediately. Your first goal is to discover what is gaining search interest.
Select the Appropriate Category : After entering your search term in Google Trends, use the category option to narrow the results. Google explains that categories are particularly useful when a search term can have multiple meanings. The process is straightforward:
- Open Google Trends.
- Enter your search term.
- Select All categories.
- Choose the category relevant to your topic.
For example, if you’re researching an AI-related term, narrowing the topic to the appropriate technology-related context can make the results more useful. This helps prevent you from building an SEO strategy around irrelevant searches.
Choose Your Target Location : Location is extremely important for SEO. If you’re targeting customers in India, select India instead of looking at worldwide search interest. Google Trends lets you explore search interest by country and region. Regional data can help identify where particular topics are more popular. For a local SEO campaign, you can go even deeper by examining state, city, or metro-level interest where available.
For example:
Business: Digital marketing agency
Target market: India
Potential research:
- SEO agency India
- SEO services India
- local SEO India
- AI SEO India
- digital marketing services
You can then investigate which topics show increasing interest.
Analyze the Trend Over Time : Don’t look at a single spike and immediately create an article. Instead, examine the trend over multiple time periods.
Try:
- Past 7 days
- Past 30 days
- Past 90 days
- Past 12 months
- Past 5 years
A sudden spike may be caused by a temporary news event. A gradual increase over several months is often more useful for an evergreen content strategy.
Look for three types of trends:
Rising trend: Search interest is increasing.
Stable trend: Search interest remains relatively consistent.
Declining trend: Search interest is decreasing.
For SEO, rising and stable trends can provide the strongest opportunities.
Check “Rising” Related Searches : One of the most useful Google Trends features for content research is Rising searches. Google describes rising searches as terms experiencing significant growth during the selected period. A search marked “Breakout“ has grown by more than 5,000%.
These searches can become excellent sources of:
- Blog topics
- FAQ questions
- Social media content
- YouTube topics
- Reels
- Landing-page ideas
- Content clusters
For example, if you research AI SEO and discover a rising related search around a new AI search feature, you can create content around that topic before the competition becomes saturated.
Compare Multiple Keywords : Don’t research keywords individually. Use Google Trends to compare multiple topics. Google Trends supports comparison between search terms, allowing marketers to understand which topic has stronger relative search interest.
For example, you could compare:
SEO vs AEO vs GEO
or:
Google AI Mode vs ChatGPT vs Gemini
This can reveal which topics deserve more attention in your content calendar.
However, remember that Google Trends measures relative search interest, not exact monthly search volume.
Use another keyword research tool afterward if you need estimated search volumes and competition metrics.
Turn Trending Searches Into Long-Tail Keywords : A trending topic is only the starting point. The next step is to turn it into a keyword strategy. Suppose Google Trends shows increasing interest in:
Google AI Mode
You could develop related long-tail keywords such as:
- Google AI Mode SEO
- how Google AI Mode works
- how to rank in Google AI Mode
- Google AI Mode vs traditional search
- Google AI Mode optimization
- Google AI search optimization
Now one trend can become an entire content cluster.
This is much more valuable than publishing one short article about a trending topic.
Match the Keyword With Search Intent : Before writing content, identify the search intent. A trending keyword can have different types of intent.
Informational Intent
The user wants to learn something.
Examples:
- What is Google AI Mode?
- How does Google Trends work?
- What is GEO?
Commercial Intent
The user is researching a service or solution.
Examples:
- best SEO agency
- AI SEO services
- GEO services
- local SEO agency
Transactional Intent
The user is ready to take action.
Examples:
- hire SEO agency
- SEO consultation
- SEO services pricing
Navigational Intent
The user is looking for a specific website, brand, or platform.
Understanding intent helps you create content that answers the user’s actual need.
Use Trending Keywords for AEO : SEO isn’t the only opportunity. Trending searches can also be used for Answer Engine Optimization (AEO). People increasingly ask complete questions instead of searching only for short keywords.
For example:
Traditional keyword:
“Google AI Mode”
AEO question:
“How does Google AI Mode affect SEO?”
You can build your article around direct questions such as:
- What is Google AI Mode?
- How does Google AI Mode work?
- Does Google AI Mode replace traditional search?
- How can businesses optimize for AI search?
This gives your content opportunities to address conversational searches and answer-focused queries.
Use Trending Keywords for GEO : Generative Engine Optimization (GEO) focuses on improving a brand’s visibility across AI-powered search and answer experiences.
Trending topics can help you discover questions that users may eventually ask AI systems.
For example, instead of only targeting:
“SEO agency India”
you could create useful content around:
“What should an Indian business look for when choosing an SEO agency?”
Then support the content with:
- Original insights
- Relevant statistics
- Clear explanations
- Expert information
- Author credentials
- Business information
- Helpful FAQs
- Internal links
The objective isn’t simply to insert keywords.
It’s to create content that genuinely answers the topic.
Google Trends and AI Search in 2026
Google Trends itself is also incorporating generative AI features into its redesigned Explore experience. Google says its Gemini-powered side panel can help users explore search trends, compare relevant search terms, and discover broader trends, although these AI features are experimental and can sometimes be inaccurate.
For marketers, this reinforces an important principle:
Keyword research is becoming more about understanding topics, entities, questions and user intent—not simply inserting exact-match keywords.
That is why a modern SEO strategy should combine:
SEO + AEO + GEO + Search Intent + Topical Authority
rather than relying exclusively on traditional keyword volume.
Want to know which trending keywords could generate leads for your business? Contact FirstRankology for a customized SEO strategy.
