Content Gap Analysis: Find Topics Your Site Is Missing

You publish regularly, but traffic is flat, and competitors keep showing up for searches you never thought to cover. A content gap analysis fixes that. It is a simple check of what your audience searches for, what your competitors already answer, and what your own site is missing or covering badly.

The short answer: list the topics that matter to your buyers, compare them with the pages you already have, and sort every gap into “create”, “improve” or “skip”. In this guide I show you how I do it step by step, with free tools first and paid tools as an option.

What a Content Gap Analysis Is

A content gap is a topic your audience cares about that your site does not answer well. Sometimes the page is missing. Sometimes it exists but is thin, out of date or aimed at the wrong searcher.

A content gap analysis is the process of finding those gaps and deciding what to do about each one. Most guides treat it as “find keywords competitors rank for and you don’t”. That is one part of it, but it is not the whole job.

Keyword Gap vs Content Gap

A keyword gap is a single search term where a competitor ranks and you don’t. A content gap is the topic behind a group of those terms.

This difference matters. A keyword gap report might show you 300 missing keywords. Once you group them, they often turn out to be 20 or 30 topics. Many of them can be covered by improving pages you already have. If you write one page per keyword, you end up with near-duplicate pages fighting each other.

The Main Types of Content Gaps

• Missing topic: you have no page on something your buyers search for.
• Partial coverage: you have a page, but it skips questions that ranking pages answer.
• Funnel gap: you cover one stage of the buying journey well and ignore the others.
• Format gap: searchers want a comparison, a checklist or a tool, and you only have a general article.
• Freshness gap: your page was right two years ago, but prices, rules or features have changed.

When I run this analysis, I find that partial coverage is the most common gap. People assume they need new content, when the quicker win is often to fix what they already have.

When a Content Gap Analysis Is Worth Doing

You don’t need to do this every week. I find it most useful at these points:

• When you are planning content for the next quarter or year and want a list based on data, not guesses.
• When traffic has stalled even though you keep publishing.
• When a new competitor starts showing up above you for your main terms.
• When you launch a new product or service and need to know what people ask before they buy.

For most small and mid-sized sites, a full review once or twice a year is enough. A lighter check of Search Console every month or two catches the rest.

How to Do a Content Gap Analysis, Step by Step

Here is the process I follow. You can do all of it with a spreadsheet, Google Search, and Google Search Console (Google’s free tool that shows how your site performs in search). A paid SEO tool speeds up steps 3 and 4, but it is not required.

Step 1: List What You Already Have

Start with an inventory of your own pages. Export the URLs from your CMS or XML sitemap into a spreadsheet. For each URL, add the main topic, the type of page (blog post, service page, product page) and the stage of the buying journey it serves.

This step feels boring, but I never skip it. Without it, you will “discover” gaps that you have already covered, or plan new pages that compete with old ones.

Step 2: Pick the Right Competitors

Your search competitors are not always your business competitors. A local accountant might compete in search with a software company’s blog, a government site and a big finance publisher.

To find them, search five to ten of your most important terms in an incognito window. Note which domains keep appearing on page one. Pick three to five sites that are similar in size and topic to yours. Comparing yourself with a huge publisher gives you a list you can’t act on.

Step 3: Collect the Topics Competitors Cover

Now gather the topics those sites cover that you don’t. Without paid tools, I use these sources:

• Their navigation and blog categories: these show how they organise the subject.
• Their XML sitemap: it is often at /sitemap.xml or listed in their robots.txt file. It gives you a full list of their URLs.
• A site: search: type site:competitor.com topic into Google to see what they have on a specific subject.

With a paid tool, use its keyword gap or content gap report. Enter your domain and your competitors, and it lists keywords where they rank and you don’t. I filter that list hard: remove competitor brand names, remove anything off-topic, and keep terms where at least two competitors rank in the top 10. A term that several sites rank for is a real topic, not a fluke.

Step 4: Find What Searchers Ask

Competitor sites only show you what they decided to write. Searchers often ask things nobody has answered well. I look at:

• Google autocomplete: start typing your main topic and note the suggestions.
• People Also Ask: the box of related questions in the results. Clicking one loads more.
• Related searches: at the bottom of the results page.
• Forums and Q&A sites: real people describe their problems in their own words, which helps you find questions with little competition.

Many of these turn out to be longer, more specific searches. Our guide to finding and using long-tail keywords explains how to judge which ones are worth a page and which belong inside a bigger article.

Step 5: Mine Your Own Search Console Data

This is the step most people skip, and in my experience it gives the fastest wins. In the Search Console Performance report, open the Queries tab and set the date range to the last 3 to 12 months.

Look for these patterns:

• High impressions, few clicks: Google shows you for the search, but your page doesn’t match what people want.
• Average position between about 8 and 30: you are close, and a better or fuller answer could move you up.
• Queries your page doesn’t mention: click a query, then the Pages tab, to see which URL ranks. If that page never answers the question, you have found a partial coverage gap.
• Questions: filter queries that contain words like “how”, “what”, “why” or “vs”. These are ready-made section headings or FAQ topics.

Google explains the report’s metrics (clicks, impressions, click-through rate and average position) in its Performance report help page. It is worth reading once if you don’t use it often.

Step 6: Ask the People Who Talk to Customers

Sales and support teams hear the same questions every week. Those questions are often content gaps that keyword tools can’t show, because the search volume looks too small or the wording is unusual.

I ask for the top ten questions they get before someone buys and the top ten after. I also ask what objections stop people from buying. Pages that answer objections, such as pricing, timelines or “is this right for me”, often convert better than any blog post.

Step 7: Group Keywords Into Topics

By now you have a long, messy list. Group it into topics before you decide anything. I explain how grouped keywords become a content plan in my keyword research guide for beginners.

My rule of thumb: search two keywords and compare page one. If most of the same URLs rank for both, Google sees them as one topic, so they belong on one page. If the results are mostly different, they probably need separate pages.

While you are looking at results, note the type of pages that rank. If page one is all comparison articles, a product page won’t rank there. If it is all local businesses, a national blog post won’t either. The results tell you what format the searcher expects.

Step 8: Decide, Then Prioritise

Give every topic one of three decisions:

• Create: there is no page on your site that fits, and the topic matters to your buyers.
• Improve: you have a page on the topic, but it misses sections, is out of date or is the wrong format.
• Skip: the topic is popular but has nothing to do with what you sell or know.

Then score each “create” and “improve” item from 1 to 3 on business value, search demand and effort. I always put business value first. A topic with low search volume that brings in buyers beats a popular topic that brings in people who will never buy.

Check the Gaps Across the Buying Journey

A keyword list hides one of the most useful checks: which stages of the buying journey you cover. Many sites have plenty of beginner articles and service pages, but nothing in between. Others have only sales pages and no help for people still learning.

Use your inventory from step 1 and see how many pages fall into each row below.

In my experience, the “Comparing” row is the one most often empty. It is also where buyers are close to a decision, so gaps there can cost real leads.

A Worked Example

Here is how the process might look for an imaginary small bookkeeping firm. The numbers are illustrative, not from a real site.

1. The inventory shows 40 blog posts about tax deadlines and record keeping, plus one general “Bookkeeping services” page.
2. A search for their main terms shows three similar firms and one software company’s blog on page one.
3. Competitors have pages on “bookkeeping cost for small business”, “bookkeeper vs accountant” and “catch-up bookkeeping”. The firm has none of these.
4. People Also Ask shows questions like “how many hours a month does bookkeeping take” and “can I do my own bookkeeping”.
5. Search Console shows the services page getting impressions for “monthly bookkeeping packages”, but almost no clicks. The page never mentions packages or prices.
6. The owner says clients often ask whether they can switch bookkeepers mid-year.

The result is a short, clear plan. Improve the services page with package details and a pricing section. Create a cost guide, a “bookkeeper vs accountant” comparison, and a page on switching bookkeepers. Skip the topics competitors cover that the firm doesn’t offer, such as payroll software reviews.

Notice that the plan is four pieces of work, not forty. That is what a good analysis should give you.

Turning Gaps Into Content That Ranks

Finding a gap is only half the job. The page you write still has to be better than what already ranks, not just present.

For each item on your list, I write a short brief before anyone starts writing:

• The main topic and the searcher’s goal in one sentence.
• The questions the page must answer, taken from steps 4 to 6.
• The format, based on what ranks today.
• What you can add that others don’t: your own process, prices, local details, examples or opinions from real work.
• Which existing pages should link to the new one.

That last point is easy to forget. A new page with no internal links (links from your other pages) is hard for both visitors and Google to find. Add links from related posts and from the main page on that topic.

If the gap is on a service page, the brief should focus on what buyers need to decide, not on more words. Our guide on making service pages rank covers what those pages need.

Common Content Gap Analysis Mistakes

These are the mistakes I see most often:

• Writing one page per keyword. This creates thin, overlapping pages. Group first, then write.
• Copying competitors’ topic lists. If you only cover what they cover, the best you can be is equal. Customer questions and your own data are where you get ahead.
• Chasing traffic outside your expertise. Google’s guidance on helpful, people-first content warns against producing lots of content on many topics in the hope some of it performs, and against entering topic areas without real expertise.
• Ignoring pages you already have. Improving an existing page keeps its history and links. It is often faster than starting from zero.
• Judging by search volume alone. Tool volumes are estimates, and small numbers can still mean valuable buyers.
• Never checking results. Note the date each change goes live. Check Search Console a few months later to see whether impressions and clicks for that topic grew.

How Often to Repeat It

Search demand changes, competitors publish and your business adds services. A content gap analysis is a snapshot, so it goes stale.

My habit is a full analysis once a year, a quick Search Console review every month or two, and a fresh look whenever a new service launches. Keep your spreadsheet from the first round. Each later round is much faster because the inventory and topic groups are already done.

Conclusion

A content gap analysis is not about producing more content. It is about finding the few topics your buyers care about that your site misses or answers badly, and fixing those first. Start with your own pages and Search Console data, add competitor topics and customer questions, group everything into topics, and then decide what to create, improve or skip.

Once you have your list, make sure each page you create or update is set up properly before it goes live. Our on-page SEO checklist walks you through everything to check on a single page.