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Search Trend Analysis

Use search volume and trend data to quantify how many people are actively looking for a solution.

Why

Search volume is the most direct signal of active demand — people searching for a solution have the problem right now and are looking to fix it. Unlike surveys (where people imagine hypothetical needs) or social media (where engagement is curiosity), search intent maps to immediate buying intent. Trend analysis adds a time dimension: is this problem growing (rising searches = expanding market) or shrinking (declining searches = dying market)? A great product in a shrinking search market is a slow death; a mediocre product in a fast-rising market can ride the wave. You need both the absolute volume and the trajectory.

When

After TAM/SAM/SOM, to validate that the market you sized has real active demand. Takes 2-3 hours. Re-check quarterly for trending topics.

How

1. Build a keyword list (20-50 terms)
   - Problem-level: "how to write release notes", "release notes automation"
   - Solution-level: "release notes generator", "release notes tool"
   - Competitor-branded: "changeset", "releaseplease"
   - Use Google Keyword Planner or Ahrefs/SEMrush for volume data

2. Get search volumes
   - Google Keyword Planner (free with Google Ads account)
   - Ahrefs / SEMrush (paid, more accurate)
   - Record monthly volume + keyword difficulty for each

3. Check trends (Google Trends)
   - Plot each keyword over 5 years
   - Look for: rising, flat, declining, seasonal, one-time spike
   - Compare 2-3 keywords on the same chart to see relative interest

4. Analyze
   - Total addressable search volume = sum of all relevant keywords
   - Trend direction: are the top 10 keywords rising or falling?
   - Seasonality: is there a predictable peak (e.g. tax software in Q1)?
   - Gap: are there high-volume problem searches but few solution searches?

5. Decide
   - High volume + rising trend → strong market, proceed
   - High volume + declining trend → market is dying, be careful
   - Low volume + rising trend → emerging market, early-mover opportunity
   - Low volume + flat → maybe the problem is not solved by search (or not real)

Example

Product: a tool to generate API documentation from code.
Keyword research (Ahrefs):

Problem searches (monthly):
  - "how to write api docs"        1,200  (trend: flat)
  - "api documentation best practices" 2,400  (trend: rising 15% YoY)
  - "auto generate api docs"       3,600  (trend: rising 40% YoY)

Solution searches:
  - "api documentation generator"  4,800  (trend: rising 25% YoY)
  - "swagger alternative"          1,900  (trend: rising 10% YoY)

Competitor-branded:
  - "redoc"                        8,100  (trend: flat)
  - "stoplight"                    5,400  (trend: flat)

Analysis:
  - Total relevant volume: ~28k/month
  - Top 10 keywords: 7/10 rising → growing market
  - Gap: "auto generate" rising 40% but few tools serve it well

Decision: growing demand + underserved "auto-generate" niche → proceed, position on auto-generation.

Common Problems

  • ⚠Only looking at head terms — "api docs" has 40k volume but is dominated by giants; the long-tail "auto generate openapi from code" (200 volume) may be where you can actually win.
  • ⚠Ignoring trend direction — a keyword with 20k volume and -30% YoY is a dying market, not an opportunity.
  • ⚠Trusting Google Keyword Planner's volume ranges — they bucket into wide ranges; use Ahrefs/SEMrush for tighter numbers.
  • ⚠Confusing search volume with buying intent — "free api doc tool" has volume but those users will not pay; filter by intent.

Best Practices

  • ✓Segment keywords by intent: informational ("what is X"), comparison ("X vs Y"), transactional ("X pricing", "X alternative") — weight transactional highest.
  • ✓Compare trend curves across 3-5 keywords on one Google Trends chart — relative shapes reveal more than absolute numbers.
  • ✓Look for the gap: high problem-search volume + low solution-search volume = underserved market you can enter.
  • ✓Set a quarterly alert on your top 5 keywords — a sudden trend change (new competitor, new tech) can shift your market fast.