When competitors flood the feed, it’s easy to default to “do more of what everyone else does.” The faster path to growth is usually the opposite: find what your competitors aren’t doing consistently and use that whitespace to win attention.
A content gap is a topic, format, or angle that:
your audience clearly reacts to (or is actively searching for), but
your competitors rarely publish, or
competitors publish inconsistently, or
competitors publish, but it doesn’t perform (meaning there’s room to do it better)
💡 This guide is relevant for two common situations:
Proving value fast: you need quick, confident answers for leadership (“Where do we stand and what should we do next?”)
Filling coverage gaps: you need to patch blind spots in your reporting/tool stack (“What are we missing vs. competitors, and what should we add?”)
Pick the “comparison set” that will make your results credible
Content gaps only matter relative to who you compete with for attention.
In Socialinsider, this step becomes a setup you can reuse:
Create or open a project and add your brand + competitors you want to track
Keep the comparison clean: analyze one platform at a time (Instagram vs Instagram, LinkedIn vs LinkedIn)
If you report to stakeholders, save the same set, so your monthly updates are consistent
Here's an example with an Automotive project that consists of 2 brands 👇
Use one of these sets:
Direct competitors - same product, same audience
Attention competitors - different product, but same audience and feed
Aspirational leaders - brands you want to benchmark up to
🌟 Outcome check: if your competitor's set is wrong, your “gaps” will be noise. If it’s right, you’ll get a list you can defend in a meeting.
Step 1: Spot “overcrowded” vs “under-owned” themes
You’re looking for two signals:
What competitors repeat - crowded themes
What competitors barely touch - under-owned themes
In Socialinsider, you can get to this faster by using:
Benchmarks - to compare posting volume and performance across brands
Content Pillars - to see what themes each brand talks about, and how often
What to look for (simple pattern)
Crowded theme = many competitors post on it often → hard to stand out
Under-owned theme = very few competitors post on it → easier to own (if your audience cares)
Good gap candidates usually look like this: your competitors post about the theme rarely, but when it does show up, it earns above-average engagement, and it strongly aligns with your product narrative, proof points, or the questions customers are already asking.
Step 2: Validate the gap with performance (not opinions)
A gap isn’t valuable just because it’s empty. It’s valuable when it’s empty, and it can win.
Validate with:
Engagement signals - what audiences actually respond to
Consistency signals - what is repeated over time vs. a one-off spike
Format signals - what type of content carries the message best
In Socialinsider, validate each gap theme by checking:
Which brands are getting the best results in Benchmarks (so you know what “good” looks like)
Which themes show up (or don’t) in Content Pillars (so you can see whitespace)
The top-performing posts inside each profile (so you can confirm the creative patterns behind the numbers)
The “3 questions” validation
For each gap theme you list, answer:
Is this theme present at all in competitor content? If yes, who does it and how often?
When it shows up, does it perform? (Look for above-average engagement, saves, shares, comments - whatever your primary KPI is.)
Can we do it credibly? (Do you have proof, POV, customer stories, or data?)
If the answer is “yes” to #2 and #3, it’s a strong candidate. 🙌
Step 3: Turn gaps into a focused testing plan (2–4 weeks)
Now convert insights into action. Keep it small and measurable.
Pick 2–3 gap themes and define:
Message angle - what you’ll say that’s different
Format - short video, carousel, post + comment thread, etc.
Frequency - how many posts per week
Success signal - what “good” looks like
What “good” looks like (so you can report it clearly)
When you present results, avoid “we posted more.” Lead with outcomes:
“We found 3 under-owned themes in the category”
“We tested 2 gap themes for 3 weeks”
“One theme outperformed our baseline by X%”
“We’re doubling down on the winner and retiring the underperformer”
If you’re reporting from Socialinsider, structure your update like this:
1 chart from Benchmarks - where you stand vs competitors
1 screenshot/ summary from Content Pillars - what themes competitors overuse vs underuse
2–3 example posts - proof of what worked and why
Common pitfalls and how to avoid them
Mistaking “nobody posts this” for “nobody cares” → always validate with performance
Comparing the wrong competitors → choose competitors that truly share your audience
Chasing too many themes → start with 2–3 and iterate
Optimizing for vanity metrics → pick the KPI that matches your business goal (awareness, demand, conversions, retention)