Overview
The Organic Keyword Gap block compares your domain against 1-5 competitor domains using Semrush. Use it to find keywords competitors rank for that you miss, keywords you rank for that they don’t, or keywords where you outrank or trail every competitor.Configuration
Your Domain (Required)
The domain to compare against competitors. This is the site labeled “You” in the report. Example:{{step_1.output}}
Competitor Domains (Required)
Up to 5 competitor domains. At least one is required. Examples:{{step_1.output}}.
Report Type (Required)
Which gap report to return. Options:Strong and Weak are derived by post-filtering a Shared fetch. They may return fewer rows than the configured limit.
Number of Results
How many keyword rows to return. Range: 1-1000 Default: 100Region
The Semrush regional database for keyword data. Default: United States (us)
Choose the region matching your target market. Options include the United States, United Kingdom, Canada, Australia, India, Germany, France, and other Semrush databases.
Sort By
How to order the returned keywords. Default: Search Volume (High to Low) Options:- Search Volume (High to Low / Low to High)
- Your Position (Best to Worst)
- Competitor 1-4 Position (Best to Worst)
- CPC (High to Low)
- Competition (High to Low)
- Number of Results (High to Low)
Filters
Optional filter rows to narrow results. Each row has a field, an operation, and a value. Filterable fields: Keyword, Volume, Keyword Difficulty, CPC, Competition, Number of Results, Your Position, Competitor 1-4 Position. Operations: contains, does not contain (string fields); greater than, less than (numeric fields). Filter values accept placeholders such as{{step_1.output}}.
Error Handling
Define what happens if the block fails to retrieve data. Options:- Terminate Workflow: Stop execution immediately
- Continue Execution: Proceed to next step despite error
Output Data
The block returns an array of keyword rows. Each row includes the keyword, one ranking position column per domain in the comparison, and shared keyword metrics.Keyword
The search term in the comparison. Example:"crm software"
Position columns (one per domain)
Semrush returns a ranking position column keyed by each domain name you compared. Your domain and each competitor get their own column. A value of0 means the domain does not rank for that keyword.
Example: "example.com": "8", "competitor1.com": "3"
Search Volume
Monthly average search volume for the keyword. Example:"74000"
CPC
Average cost per click for paid ads in USD. Example:"14.24"
Competition
Paid search competition density (0-1). Example:"0.27"
Number of Results
Total search results for the keyword. Example:"236000000"
Keyword Difficulty
SEO difficulty score from 0-100. Example:"76"
Trends
12 months of normalized search volume trend values. Example:"0.66,0.66,0.54,0.66,0.81,0.66,0.66,0.66,0.66,0.66,0.66,0.66"
Sample Output
Best Practices
- Use the Missing report to find content gaps competitors already cover.
- Use Strong and Weak to audit where you win or trail every competitor at once.
- Keep competitor lists focused; compare direct competitors for cleaner gaps.
- Request 100+ results for broad analysis, fewer for quick checks.
- Add filters on Volume or Keyword Difficulty to surface realistic targets.
- Remember that Strong and Weak may return fewer rows than the limit.
- Match the Region to the market you are analyzing.
- Feed gap keywords into an LLM block to draft briefs or outlines.
- Save results to Google Sheets for prioritization and tracking.
Common Use Cases
What’s Next
- Get keyword metrics in Keyword Overview
- See a domain’s keywords in Domain Organic Keywords
- View SERP results in Organic Results
- Loop over gaps with the Loop Block
- Draft content with the LLM Block
- Save data in Google Sheets
- Connect your account in Semrush integration