How to Manage Ad Units Across Multiple Blogs – From Slot ID Naming to Report Tracking

Illustration showing ad unit naming strategy and slot ID management across multiple blogsUsing AdSense on just one or two blogs is usually straightforward. However, once you operate more than three blogs or run a team blog, ad unit management becomes essential. Without a system, ad unit names can get mixed up, and it's easy to lose track of which slot is placed where.

This post provides a complete guide for those managing multiple blogs, like Grace, covering ad unit naming strategies, slot ID management, and how to use reports to track revenue effectively.

1. Naming Your Ad Units is Everything

The more ad units you create, the more critical it becomes to name them systematically. A good naming convention allows you to identify where and how an ad unit is used just by looking at its name.

Example naming convention:

  • life_top_300x250 – Blog: life, Position: top, Size: 300x250
  • tech_sidebar_300x600 – Blog: tech, Sidebar ad, 300x600 size
  • art_mid_336x280 – Blog: art, Middle of content, 336x280 size

With this structure, you can immediately identify blog, position, and dimensions, which also helps with intuitive tracking in reports.

2. Ad Unit Limits and Clean-Up Strategy

AdSense allows up to around 500 ad units per account. To avoid hitting that limit, create only the ad units you truly need and regularly delete unused ones.

Tip: For test ad units, add a prefix like test_ to their names and delete them at the end of each month as part of your maintenance routine.

3. Tracking Ad Unit Revenue with Reports

In your AdSense reports, you can view performance metrics like revenue, CTR, and impressions for each ad unit. With a clear naming system, you can easily identify which blog and position are generating the most income.

Use the "Ad Unit Name Filter" to separate data by blog and analyze performance. This is especially useful for A/B testing—compare two similar units and keep the one that performs better.

4. Can the Same Ad Unit Be Used Across Blogs?

Technically, yes. The same ad slot ID can be inserted into multiple blogs and will function correctly. However, this reduces your ability to track performance on a per-blog basis and can lead to repeated ads being shown.

That’s why it’s better to assign unique ad slots to each blog, at least for the top, middle, and bottom positions of each post. This also helps when analyzing performance separately per blog.

5. Grace's Ad Unit Management Routine

  • Follow structure: blogname_position_size (e.g., travel_mid_336x280)
  • Limit to 3–5 ad units per blog
  • Separate test units with a "test_" prefix and clean monthly
  • Use report filters to analyze performance per ad location
  • Minimize reusing slot IDs across blogs

In Summary

Managing ad units goes beyond creating and inserting them—it’s about organizing and analyzing their performance. For strategic operators like Grace, a systematic flow from naming conventions to report filters is key to maximizing earnings while staying efficient.

This post outlined how to structure and track AdSense ad units across multiple blogs, ensuring clear slot ID usage, easier report analysis, and better long-term results.

adsense ad unit, slot ID management, ad naming strategy, blog-specific ads, adsense tracking, ad report analysis, ad optimization, blogger ads, tistory ad units, ad unit performance


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