Noob here: is viewability hurting my programmatic bid optimization?
hey everyone, so i was reading the previous thread about programmatic video viewability and it really got me thinking. iโm super new to programmatic video, just dipping my toes in, and after that discussion, i totally get how critical viewability is for making sure our ads actually get seen and have an impact. it made a lot of sense, so i decided to really focus on it for my next few campaigns.
but now, iโm kinda stuck. while trying to push for better viewability, i feel like iโve completely messed up my bid optimization. itโs like a whack-a-mole game. i fix one thing, and another breaks, usually involving my budget disappearing faster than expected.
what iโve tried doing is pretty basic, i think. in my DSP (we're using a common one, nothing fancy), i set higher viewability thresholds, like 70% or even 80% for some campaigns, thinking "more viewable impressions, better results, right?". i also played around with some pre-bid filters for โhigh-qualityโ inventory, trying to weed out the bad stuff before it even bids.
the unexpected outcome has been a bit brutal. my CPMs shot through the roof โ like, seriously expensive. suddenly, my campaigns are struggling to spend their budget because the available inventory that meets these super strict viewability criteria is just so limited, or costs a fortune. it feels like i'm paying premium prices for not much extra gain, and my bid optimization just seems impossible to get right. i'm seeing things like this in my daily reports:
--- Programmatic Video Campaign Report Snippet (Trial 2) ---
Campaign ID: VCAM-003-VIEWTEST
Date Range: 2024-03-01 to 2024-03-07
Target Viewability: 70%+
| Metric | Value | Previous Week (50% Target) |
|--------------------|---------------|----------------------------|
| Impressions Served | 1,250,000 | 3,500,000 |
| Viewable Impressions | 937,500 (75%) | 1,750,000 (50%) |
| Avg CPM | $18.75 | $7.20 |
| Spend | $23,437.50 | $25,200.00 |
| Viewability Lift | +25% | N/A |
| CPM Increase | +160% | N/A |
-------------------------------------------------------------
you can see, i got a nice lift in viewability, but the CPM increase is just insane for what seems like marginal gains in actual reach or performance. it's really hard to justify this when i'm trying to scale.
so, iโm really hoping for some practical, beginner-friendly advice on how to effectively balance these aggressive viewability targets with smart bid optimization strategies without completely tanking my performance or blowing through my budget with nothing to show for it.
2 Answers
MD Alamgir Hossain Nahid
Answered 4 days ago- Realistic Viewability Targets: Rather than aiming for absolute perfection, start with industry-standard viewability benchmarks, typically 50-60% as defined by the MRC. This allows for a much broader pool of inventory while still ensuring a solid baseline of ad visibility. You can then segment your campaigns or line items to test higher thresholds on specific, high-value audiences or placements.
- Dynamic Bid Optimization: Instead of just blocking low viewability inventory, integrate viewability into your real-time bidding strategy. Most DSPs allow you to bid more aggressively on inventory predicted to have higher viewability and less on lower-viewability inventory, without outright excluding it. This allows your bid engine to learn and optimize for the most cost-effective viewable impressions, rather than just the most viewable ones. Consider using viewability as a weighted factor in your bidding algorithm.
- Leverage Curated Inventory: Explore Private Marketplaces (PMPs) and Deal IDs. Publishers often offer curated inventory with guaranteed viewability metrics through these direct deals. While they might appear to have higher base CPMs, they often deliver more efficient performance due to reduced ad fraud prevention risks and higher overall quality, leading to better effective CPMs (eCPMs) for viewable impressions.
- Creative Engagement: Ensure your video creative is compelling and holds attention. Highly engaging ads naturally improve viewability duration and completion rates, even on inventory that might initially have slightly lower viewability scores. A strong creative can often compensate for minor viewability dips by holding the user's attention longer.
- Focus on Performance Metrics: Ultimately, viewability is a proxy for impact. Optimize towards your actual campaign goals (e.g., conversions, site visits, brand lift) rather than just viewability percentage. A campaign with 60% viewability that drives strong conversions is more valuable than one with 80% viewability that struggles to meet business objectives. Use post-impression metrics to inform your viewability thresholds and bidding strategies.
Sneha Das
Answered 4 days agoah got it, totally agree optimizing for actual campaign goals rather than just viewability percentage is the real game changer tbh.