Prompt

What are the best keyword research platforms for building a keyword list for a new content strategy?

Technology · SEO & AEO Tools / Seo aeo tools1 observationLast seen Jul 16, 2026

Latest observation

Jul 16, 2026 · OpenAI APIWeb search: off

For building a keyword list for a new content strategy, the best platform depends on your budget, SEO maturity, and whether you want pure keyword discovery or also competitive/intent insights. Here are the strongest options:

Best overall keyword research platforms

1. Semrush

Best for: Full-funnel keyword research and competitive analysis
Why it’s good:

  • Large keyword database
  • Strong keyword difficulty and intent data
  • Great for finding competitor gaps
  • Useful for clustering and topic discovery
  • Also helps with content planning and tracking

Best if: You want one platform to handle research, competitor analysis, and content strategy.


2. Ahrefs

Best for: Keyword discovery + competitor content analysis
Why it’s good:

  • Excellent backlink and organic traffic insights
  • Strong “Content Gap” and keyword explorer tools
  • Great for finding what competitors rank for
  • Reliable for search volume and ranking difficulty

Best if: You want to reverse-engineer competitor content and find high-opportunity topics.


3. Google Keyword Planner

Best for: Free baseline keyword ideas
Why it’s good:

  • Free with a Google Ads account
  • Direct from Google
  • Useful for initial seed keyword expansion
  • Good for volume ranges and broad related ideas

Limitations:

  • Designed for ads, not SEO
  • Less precise and less useful for content intent

Best if: You need a no-cost starting point.


4. AlsoAsked

Best for: Question-based content ideas and topical coverage
Why it’s good:

  • Pulls “People Also Ask” style queries
  • Great for FAQ sections, blog outlines, and topical clusters
  • Helps map user intent and subtopics

Best if: You’re building informational content and want to cover questions thoroughly.


5. AnswerThePublic

Best for: Early-stage topic ideation
Why it’s good:

  • Excellent for brainstorming question-based keywords
  • Visualizes related searches and long-tail topics
  • Helpful for finding how/why/what queries

Limitations:

  • Less robust for validation and prioritization than SEMrush/Ahrefs

Best if: You’re in the ideation phase and want content angles fast.


6. LowFruits

Best for: Finding low-competition long-tail keywords
Why it’s good:

  • Focuses on weak SERPs and easy-ranking opportunities
  • Great for smaller sites or newer domains
  • Useful for identifying quick wins

Best if: You’re building content on a newer site and need achievable targets.


7. Keyword Surfer

Best for: Quick, lightweight keyword research in-browser
Why it’s good:

  • Chrome extension
  • Shows search volume and related terms in Google results
  • Fast for checking ideas while browsing

Best if: You want a simple, fast workflow without jumping into a full platform.


8. Exploding Topics

Best for: Trend discovery and future content opportunities
Why it’s good:

  • Helps identify emerging topics before they peak
  • Useful for editorial strategy and thought leadership

Best if: Your strategy includes trend-led or timely content.


Best platform combinations by use case

If you want the strongest all-around setup:

  • Semrush or Ahrefs
  • Plus AlsoAsked or AnswerThePublic for question mining

If you’re on a budget:

  • Google Keyword Planner
  • Keyword Surfer
  • AlsoAsked free/limited use or AnswerThePublic

If you’re targeting easier ranking opportunities:

  • LowFruits
  • Ahrefs or Semrush for validation

If your content strategy is informational and topical:

  • AlsoAsked
  • AnswerThePublic
  • Semrush Topic Research or Ahrefs Keywords Explorer

What to look for in a keyword platform

Choose tools that provide:

  • Search volume
  • Keyword difficulty
  • Search intent
  • SERP analysis
  • Competitor keyword gap data
  • Long-tail and question keywords
  • Filtering and export options

Simple recommendation

If you want the best practical choice:

  • Best premium platform: Semrush
  • Best for competitor-driven research: Ahrefs
  • Best free starter option: Google Keyword Planner
  • Best for content ideation: AlsoAsked + AnswerThePublic
  • Best for low-competition opportunities: LowFruits

If you want, I can also give you:

  1. a ranked list by budget,
  2. a workflow for building a keyword list from scratch, or
  3. a comparison table of Semrush vs Ahrefs vs free tools.

Observation history

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How did Obsurfable measure this prompt?

Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.

Which AI systems does Obsurfable collect answers from?

OpenAI, ChatGPT, Google, Gemini, Google AI Mode, Anthropic, Claude, Perplexity, Grok, DeepSeek, Mistral, Copilot, and Meta AI.