How to audit your LinkedIn ad spend in an afternoon
The short answer
To audit LinkedIn ad spend, check five things in order: who you are actually reaching (job titles and company sizes in demographics), whether the Audience Network is eating budget, how you bid, whether lead forms qualify anyone, and whether conversions are tracked back to real opportunities.
LinkedIn is expensive per click, so small setup mistakes waste real money. Use this checklist inside Campaign Manager; you do not need any extra tools.
1. Check who you actually reach
Open the Demographics report for each campaign. If a large share of impressions goes to job titles, seniorities or company sizes you do not sell to, tighten the targeting and turn off audience expansion.
2. Check the Audience Network
The LinkedIn Audience Network shows ads on outside apps and sites. It is often on by default and can take budget with weak results. Compare its cost per qualified lead against LinkedIn feed placements and switch it off if it underperforms.
3. Check bidding and frequency
Maximum-delivery bidding on a small audience can drive frequency and cost up fast. Watch frequency, and test manual or cost-cap bidding once you know what a qualified lead is worth.
4. Check the lead forms
Lead Gen Forms pre-fill details, which raises volume and lowers intent. Add one qualifying question and a short custom question so sales gets context.
5. Check tracking back to revenue
If LinkedIn only sees form fills, it optimises for form fills. Connect your CRM so qualified leads and opportunities are counted, then judge campaigns on those.
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Frequently asked questions
Why is LinkedIn advertising so expensive?
LinkedIn charges a premium because it targets by job title, seniority and company, which few other platforms can. It pays off when the deal value is high and targeting is tight; it wastes money when audiences are broad or the Audience Network is left on without checking results.
How often should I audit LinkedIn ads?
Do a light check weekly — spend, frequency and lead quality — and a full audit every quarter or whenever cost per qualified lead rises for two weeks in a row.
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