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8 Common Mistakes to Avoid with Dynamic Product Ads (and How to Fix Them)

Struggling with Dynamic Product Ads? Avoid these 8 common mistakes—from poor data feed management to weak creative templates—and learn how to optimize for better results.
Dan Pantelo

Dynamic Product Ads (DPAs) have brought scale and personalization to e-commerce advertising. If you haven’t yet started with catalog ads, then be sure to first check out our primer and guide to dynamic product ads. If you already have a grasp of DPAs or are even hoping to fine-tune your current DPA strategy, then this article is for you.

Dynamic ads are a powerful tool in the marketer’s toolbelt, but there is a learning curve, and their data-driven complexity can lead to common mistakes. Here's a guide to the most popular of pitfalls and how to avoid them.

1. Poor Data Feed Management

Data feed issues are perhaps the most critical source of DPA failures. Many advertisers underestimate the importance of maintaining a clean, well-structured product feed. Your feed is the foundation of your dynamic ads – when it's poorly managed, everything built on top of it will suffer.

Common mistakes include:

  • Inconsistent product naming conventions
  • Missing or incorrect prices
  • Outdated inventory information
  • Improper formatting of required fields
  • Incomplete product descriptions
  • Mismatched product identifiers


Do this: Implement automated data feed validation tools that check for missing fields, incorrect formatting, and outdated information. Schedule daily automated checks that flag issues like missing images, incorrect pricing, or inconsistent product titles. Set up alerts for when inventory levels fall below a certain threshold to prevent advertising out-of-stock items.

Set up automated data feed validation through these tools
Set up automated data feed validation through these tools

2. Inadequate Product Categorization

Product categorization might seem straightforward, but poor taxonomy can severely impact your dynamic ad performance. Many businesses make the mistake of using overly broad or inconsistent categories, making it difficult for the advertising platform to serve relevant products to interested users.

Common categorization mistakes:

  • Using too broad categories
  • Inconsistent naming conventions
  • Missing subcategories
  • Incorrect category hierarchies
  • Mixing different category types
  • Not aligning with search terms

Do this: Map your product categories to common search terms and customer behavior. Create a standardized category tree with no more than 3-4 levels deep to maintain clarity while providing sufficient detail. For example, instead of just "Shoes," use detailed categories like "Women's Athletic Running Shoes" or "Men's Casual Leather Loafers."

3.Overlooking Image Quality Requirements

Dynamic ads rely heavily on visual appeal, yet many advertisers fail to maintain consistent image quality across their product catalog.

Common image mistakes:

  • Using inconsistent aspect ratios
  • Displaying products against cluttered backgrounds
  • Including text that becomes illegible at smaller sizes
  • Using low-resolution images that appear pixelated
  • Failing to update seasonal product imagery
  • Inconsistent product angles

Do this: Create and enforce a strict image specification document that includes:

  • Minimum resolution requirements (e.g., 1200x1200 pixels)
  • Consistent white background for all product shots
  • Product should occupy 85-90% of the frame
  • No overlaid text or watermarks
  • Multiple angles for each product
  • Standard lighting requirements

Examples of high quality product images

4. Ignoring Mobile Optimization

In today's mobile-first world, failing to optimize dynamic ads for mobile devices is a critical mistake. Mobile users have different viewing habits and interaction patterns compared to desktop users.

Common mobile mistakes:

  • Text too small to read on mobile screens
  • CTAs too small to tap accurately
  • Slow-loading images
  • Poor responsive design
  • Cluttered mobile layouts
  • Unoptimized landing pages

Do this: Preview all your ad templates on multiple mobile devices before launching. Ensure text is readable without zooming (minimum 14pt font), calls-to-action are easily tappable (minimum 44x44 pixels), and images load quickly by using compressed files under 150KB.

5. Poor Audience Segmentation

Many advertisers cast too wide a net with their dynamic ads, failing to properly segment their audience. This leads to showing products to users who are unlikely to be interested, wasting ad spend and potentially damaging brand perception.

Common segmentation mistakes:

  • Using overly broad targeting
  • Not considering purchase history
  • Ignoring browsing behavior
  • Failing to exclude converted customers
  • Missing lookalike audiences
  • Not segmenting by value

Do This: Create distinct audience segments based on:

  • Past purchase behavior (frequency, value, categories)
  • Website browsing patterns (time spent, pages viewed)
  • Engagement level (email opens, ad clicks)
  • Customer lifetime value
  • Geographic location
  • Device preferences

6. Technical Implementation Errors

Technical mistakes can cripple even the best-planned dynamic ad campaigns.

Common technical errors:

  • Incorrect pixel implementation
  • Missing product parameters
  • Broken tracking links
  • Incomplete event tracking
  • Mismatched product IDs between feed and website
  • Incorrect conversion tracking

Do This: Create and follow a technical implementation checklist:

  • Verify pixel firing on all key pages
  • Match product IDs across feed and website
  • Test tracking across different devices
  • Validate all product URLs
  • Confirm price and inventory sync
  • Set up regular automated testing

7. Creative Template Limitations

Many advertisers limit themselves by using overly rigid creative templates that don't adequately showcase different product types.

Common template mistakes:

  • One-size-fits-all approach
  • Inflexible layouts
  • Poor use of space
  • Inconsistent branding
  • Missing key product information
  • Limited variation testing

Do This: Design a suite of templates optimized for different scenarios:

  • High-margin products (emphasis on quality/features)
  • Sale items (emphasis on discount/savings)
  • Seasonal products (themed backgrounds/overlays)
  • New arrivals (special badges/labels)
  • Different product categories (varying layouts)
  • Mobile-specific versions

Examples of creative templates highlighting different product information
Examples of creative templates highlighting different product information

8. Best Practices for Success

To avoid these common mistakes:

  • Schedule monthly feed audits using automated tools
  • Create a standardized process for categorizing new products
  • Establish an image quality control workflow
  • Design templates with mobile-first principles
  • Regular A/B testing of ad variations
  • Maintain consistent communication between teams

Avoiding DPA Mistakes With Marpipe

Success with dynamic product ads requires attention to detail and a systematic approach to campaign management. And yes, DPA ads are powered by the product feed which means you could use a spreadsheet as your source of truth; however, what you really need are purpose-built tools and platforms to help you manage, maintain, and get the most out of your campaigns.

That’s where Marpipe comes in. Marpipe is an entire creative platform built for dynamic product ad marketers to help not only maintain your product feed but also add both photo and video creative at scale so you can address many of the issues above head-on.

With Marpipe, you can upload and visualize your product feed to ensure it’s validated and optimized. From there, you can create unique assets for each SKU in your product catalog with just a single template by incorporating the individual data points from your product feed with our dynamic ad builder and creative tools. 

One template scaled across all SKUs using Marpipe
One template scaled across all SKUs using Marpipe

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