120×600 Ad Size: Skyscraper
The 120×600 skyscraper is the original narrow, tall banner. It is now rare, and most advertisers prefer the wider 160×600 or 300×600.
Specs
| Spec | Value |
|---|---|
| Name | Skyscraper |
| Dimensions | 120 × 600 pixels |
| Aspect ratio | 1:5 |
| Devices | Desktop |
| High-resolution version | 240 × 1200 pixels (2×), scaled down |
| Typical file size | Keep images under 150 KB. Google Ads limits uploaded image ads to 150 KB. |
| Formats | JPG, PNG, GIF or HTML5 |
Where to place a 120×600 ad
- Very narrow side columns
Pros and cons
| Pros | Cons |
|---|---|
| ✓ Fits very slim layouts | ✗ Few advertisers buy it, so CPMs are low ✗ Removed from many current size lists |
Tips for 120×600 ads
- Use 160×600 if your layout allows the extra 40 pixels.
- Reserve the slot’s height in your layout so the page doesn’t jump when the ad loads. See Core Web Vitals and ads.
Related ad sizes
Frequently asked questions
Should I still use 120×600?
Only if nothing wider fits. A 160×600 slot gets much more demand.
What replaced the 120×600?
The 160×600 wide skyscraper and the 300×600 half page.
Want to know what this slot could earn? Try the ad revenue calculator, or look up terms in the ad tech glossary.