oCPC stands for "optimized Cost Per Click" — Baidu's automated bidding model that adjusts bids in real time based on conversion probability. For most advertisers tracking leads or phone calls, it delivers 20-40% lower cost per acquisition compared to manual CPC bidding.
How oCPC Works
Baidu's system looks at dozens of signals for each auction: search query, device type, time of day, user history, geographic location, and more. It estimates the conversion probability and adjusts your bid accordingly — paying more for clicks more likely to convert, and less for those less likely.
The Result
You hit your target cost per acquisition while Baidu's AI handles the bid adjustments in real time. No more watching dashboards and manually tweaking keyword bids.
oCPC vs Manual CPC
| Manual CPC | oCPC | |
|---|---|---|
| Bid Strategy | You set fixed bids per keyword | AI adjusts bids per auction |
| Optimization | Manual, based on your analysis | Automated, based on conversion data |
| Time Required | Hours per week managing bids | Minutes per week monitoring |
| CPA Performance | Variable, depends on expertise | Typically 20-40% lower |
What You Need to Get Started
- Conversion tracking: Phone calls, form submissions, or purchases need to be tracked
- Historical data: Baidu recommends 20+ conversions per week for optimal performance
- Realistic CPA target: Set something achievable — too low and the system can't find enough conversions
When oCPC Makes Sense
oCPC is ideal for:
- Lead generation campaigns (form fills, phone calls)
- E-commerce with purchase tracking
- App installs or registrations
- Any campaign where you can track conversions reliably
It's less suited for campaigns where conversion tracking is difficult or where you need precise control over individual keyword bids.
Ready to Switch to oCPC?
We set up and optimize oCPC campaigns for international brands on Baidu.
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