Google Display Small Rectangle 180×150

Upload your display ad and instantly check if your 180×150 image is the correct size for the IAB Small Rectangle. Verify your 150KB weight limit and dimensions before you go live.

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The Complete Advertiser’s Guide to the 180×150 Small Rectangle

Before the 300×250 Medium Rectangle took over the internet, the 180×150 Small Rectangle was a common sight. While it is now considered a legacy size, it remains a vital tool for websites with narrow columns or dense layouts.

It is perfectly sized to fit in the “left rail” of older website designs or to be used as a “sponsored tile” in a grid layout.

Why Use the 180×150?

1. Space Saver

If your sidebar is too narrow for a 300px wide ad, the 180×150 is the perfect alternative. It allows you to monetize space that would otherwise go to waste.

2. Text Ad Friendly

This size is historically associated with text-based ads or simple logo sponsorships. Because users are used to seeing it as a “link unit,” they often engage with it expecting useful information.

Conclusion

The 180×150 proves that you don’t need massive dimensions to be effective. It is a compact, polite ad unit that fits where others won’t.