# Keyword Gap

Compare keyword profiles of up to 5 domains at once and instantly surface every query your competitors rank for that you're missing.

Written by Mike  
April 16, 2026

## Find the Keywords Your Competitors Have That You Don't

The **Keyword Gap** report compares the organic keyword profiles of multiple domains side by side. It pinpoints every query where a competitor ranks in the Top 100 but your domain does not — turning competitive research into a direct content action list.

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## What you can achieve:

- **Close content gaps fast:** Get a ready-made list of keywords your rivals rank for that you haven't targeted yet.
- **Prioritize by opportunity:** Filter missing keywords by volume, difficulty, and position to find the highest-impact ones first.
- **Compare up to 5 domains at once:** Stack your domain against multiple competitors in a single view to see the full competitive picture.

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## Getting Started

1. Navigate to **Site Analysis → Keyword Gap** in the left sidebar.
2. Enter **your domain** in the first field, then add **1–4 competitor domains** in the fields below.
3. Select your target **regional database** and click **Search**.
4. Use the **view tabs** at the top of the table to switch between: **All keywords**, **Missing** (competitors rank, you don't), **Weak** (you rank lower than competitors), and **Strong** (you outrank all competitors).
5. Apply **filters** (volume, keyword difficulty, position) to focus on the most actionable keywords.

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## Key Metrics Explained

1. **Missing keywords:** Queries where all selected competitors rank in Top 100 but your domain doesn't appear at all. These are your highest-priority content gaps.
2. **Weak keywords:** Queries where you rank, but lower than at least one competitor. Improving existing content here can yield quick wins.
3. **Strong keywords:** Queries where you outrank all compared competitors. Monitor these to maintain your lead.
4. **Volume:** Average monthly searches. Higher volume = more traffic potential if you rank.
5. **Keyword Difficulty (KD):** How hard it is to rank in Top 10. For new or lower-authority sites, prioritize KD below 40.

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## Pro Tip: Build a Content Calendar from Keyword Gap

*This workflow turns a Keyword Gap report into a ready-to-execute content plan in minutes.*

1. Switch to the **Missing** tab to focus on keywords you don't rank for at all.
2. Filter by **Volume > 500** and **KD < 40** to find achievable, high-traffic opportunities.
3. Export the filtered list as a CSV.
4. **The goal:** Each keyword on this list represents a content piece your competitors have already validated. You have the roadmap — now you just need to execute.

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| ⚠️ **Important:** Keyword Gap data is based on Serpstat's keyword database for the selected region. If a competitor ranks via a subdomain or subfolder, enter their specific subfolder (e.g., `competitor.com/blog/`) to get a more accurate gap analysis. |

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## ❓ Frequently Asked Questions

**Q: How many domains can I compare at once?**  
**A:** You can compare up to 5 domains simultaneously — your target domain plus up to 4 competitors.

**Q: What's the difference between "Missing" and "Weak" keywords?**  
**A:** Missing = you have no ranking at all for that keyword. Weak = you do rank, but lower than at least one competitor. Both are opportunities, but Missing keywords represent content you haven't created yet.

**Q: Can I analyze Keyword Gap at the subfolder or URL level?**  
**A:** Yes — enter a subfolder (e.g., `example.com/blog/`) instead of the root domain to scope the comparison to a specific section of the site.

**Q: How do I find the best keywords to target first?**  
**A:** Use the Missing tab, then filter by high Volume and low Keyword Difficulty. Also look at keywords where 2 or more competitors rank — that signals proven demand in your niche.

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## Next Steps

- [**Competitors**](https://help.serpstat.com/en/articles/14437158-competitors) — Not sure which domains to compare? Start here to find your top keyword rivals.
- [**Keywords**](https://help.serpstat.com/en/articles/14290067-keywords) — Once you identify a gap keyword, use the Keywords report to see all domains ranking for it.
- **Keyword Research → Keywords Selection** — Expand your gap keywords into a full semantic cluster.