If you are already using Google Adsense then you must be clear that there are dozens of Ad sizes to suit your needs. And now Adsense brings in a new Ad size – 300×600 called as the Large Skyscraper. Adsense Large Skyscraper ad has a width of 300px and height of 600px. This Large Skyscraper Adsense ad unit will bring in better CTR when placed on the sidebar of blogs with 2 or 3 columns. Large Skyscraper is better suited just floated beside the content for websites with single wide column.

The 300×600 unit, sometimes referred to as a half page unit, provides a larger space for advertisers to get their message across and can offer users rich engagement. The 300×600 is one of the fastest growing sizes by impressions and is indicative of a trend where publishers are offering more visually impactful ad sizes that are preferred by brand advertisers. As the Large Skyscraper is new in the Adsense network, you’ll currently see a large number of text ads in these placements and over time the team will continue to build a wide range of text and display ad inventory eligible to appear in this full slot as well.