"LinkedIn CPLs are too high, we're moving the budget." We hear some version of this most months, and sometimes it's the right call. More often the number is being calculated against a definition of "lead" that nobody has ever written down.
What are you actually counting?
In a lot of the accounts we inherit, a lead is anyone who completed a form. That includes students, job seekers, competitors having a look around, and people who wanted the whitepaper and had no further interest in speaking to anyone.
Count all of that and Meta beats LinkedIn on cost per lead every time. We've seen the raw gap run to 10x.
Volume is the mechanism. Left loosely targeted, Facebook will hand you somewhere between ten and a hundred times the lead count LinkedIn produces, at a qualification rate low enough that most of it never reaches a sales conversation. Tightening the targeting is the difference between a channel and a noise generator.
Worth saying plainly, because it cuts against the easy version of this argument: even after all that noise, Meta sometimes still comes out ahead on cost per qualified inquiry. Not always, and not predictably enough to assume - but often enough that writing the channel off on principle costs people money. We compared the two properly here. The point is that you can't tell which platform wins until the definition is tight enough to make the comparison mean anything.
A cost per lead built on a definition that loose tells you what your forms cost. It doesn't tell you what your pipeline costs, and those are the numbers people conflate when they decide a channel has stopped working.
Get sales to agree what's real
The fix is boring and organisational, which is probably why it gets skipped so reliably.
Sit down with sales and agree in writing what counts as an MQL and what counts as an SQL: which job titles, which company sizes, what has to be true before anyone calls it qualified. Then hold the campaigns to that definition rather than the platform's, which is generous by design. This matters more than it sounds, because sales and marketing quietly disagreeing about lead quality is how paid social programmes die - marketing reports volume, sales complains about junk, nobody ever reconciles the two, and eventually someone cuts the budget without anyone having established what was actually working.
That argument is avoidable. It just needs writing down.
The best-performing programmes we've run had weekly sales feedback on lead quality going straight back into targeting. That closed loop is the single biggest difference between accounts that compound and accounts that plateau.
Judge on cost per qualified opportunity
Once the definition is tight, the number that matters is cost per qualified lead, and behind it pipeline. CPC, CTR and CPM are inputs - useful for diagnosing a problem, not for judging whether a channel deserves its budget.
Run cost per qualified opportunity and LinkedIn's premium often makes sense. The clicks cost multiples of Facebook's and the leads are routinely worth many multiples more. Where that ratio doesn't hold for your business, spend the money elsewhere, but you can only know which situation you're in once the definitions are honest.
Getting to the number takes measurement that follows a lead past the form fill and into the CRM. That's attribution and reporting work, it's less interesting than launching a campaign, and it's the thing that settles the CPL argument permanently rather than annually.
Expect the numbers to get worse first
Tightening the definition usually makes things look worse before they look better. Lead volume drops. The honest cost per lead goes up, sometimes considerably, and someone senior will ask what happened.
What happens after that is the part worth waiting for. You start optimising toward the leads sales actually wants, the platform learns from better signals, and cost per qualified opportunity begins to fall. We've watched lead targets improve quarter on quarter while total spend came down, on accounts that did nothing more exotic than this.
The accounts that struggle are rarely the ones with expensive clicks. They're usually the ones where three people would give three different answers to what a lead is.
