Prompt
What are the best keyword research platforms for building a keyword list for a new content strategy?
Latest observation
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:
- a ranked list by budget,
- a workflow for building a keyword list from scratch, or
- 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.