Side-by-side comparison
| Criterion | Google Ads | Meta Ads | LinkedIn Ads |
|---|---|---|---|
| Native automation | Smart Bidding, PMax | Advantage+ | Predictive audiences |
| Min. conversions for algo | 30–50/month/campaign | ~50/week (pixel events) | Not applicable |
| Script/API access | Yes — Google Ads Scripts + API | Yes — Marketing API | Yes — LinkedIn API (limited) |
| Guardrail complexity | High — many levers | Medium — fewer rules | Low — limited rule options |
| Best for | Search intent, high volume | Awareness, retargeting, DTC | B2B, account-based targeting |
| Automate first when | >50 conv/month, structured account | Frequency or spend issues | Budget pacing + ICP exclusions |
Which platform to automate first
Start with the platform where you have the most spend and the most pain. For most accounts, that is Google Ads — it has the most conversion data, the richest API access, and the clearest mapping from guardrail to action.
If you run a DTC or e-commerce business with high Meta spend and creative fatigue, Meta automation (frequency rules, creative rotation) often yields the fastest measurable win.
LinkedIn is the last to automate — the API is limited, CPCs are high, and the conversion data is sparse. Focus on budget pacing and ICP-based audience exclusions rather than algorithmic optimisation.
Cross-platform automation
The highest-value automation layer is cross-platform: a single system that monitors spend and performance across Google, Meta, and LinkedIn, and reallocates budget toward whichever platform is performing best against your CPA target this week.
This requires a unified data layer — pulling reports from all three platforms into a single view — and a set of guardrails that define how much budget can shift in any direction in a given period. We build this in the PPC Intelligence Sprint.
Start with the Audit
We map your spend across platforms, identify the biggest automation opportunity, and build the first guardrail layer — in two weeks.
Get your free Readiness Score →