Google AdSense Ad Unit Updates and Their Impact on Publishers

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An ad unit is one or more Google ads displayed as a result of one piece of the AdSense ad code. You can create, customize and manage ad units on the Ads page in your AdSense account. Ad units give you control over where ads appear, and our native ad units offer lots of flexibility in terms of customization.

Ads are Now Responsive by Default

AdSense has made its ad units responsive by default. this will make it easier for publishers to manage their ad units across devices. The performance of ad units is also expected to improve. How? Let’s say there is a CTA button on the creative, now it’ll continue to work as it should on multiple screen sizes. Despite the change, publishers still have the option to create fixed-sized ad units and customize them as per their requirements if they want.

Impact on publishers: Initially publishers used to create separate ads for different ad units, placements, and devices, including responsive. Creating and managing these ads was often overwhelming. With this update, that should become easier.

‘Text Only Ads’ and ‘Display Only Ads’ are Merged 

Text and Display only Ads

Google has merged ‘Text ads only’ and ‘Display ads only’ under the new ‘Display ads.’ Using both image and text at the same time will make the ads more attrative for the users and may help increase CTR. This also provides a rich-media look to the ads, similar to actual rich-media ads. Publishers who wish to access the ‘Text ads only’ or ‘Display ads only’ format can go for native in-feed units and choose manual style option to continue.

Impact on publishers: Most ad networks, other than AdSense, already offer similar formats. Now that AdSense has also enabled this, the ads would have a rich-media feel, further increasing competition for publishers’ inventories.

‘If No Ads Available’ Setting Has Been Removed

This change is about how Google handles a blank impression. Previously, publishers could choose to show a colored block if the “If no ads available” condition was met. Now, it’ll be set to a blank impression by default. Google claims that this change will reduce the chance of serving malicious ads.

Impact on publishers: The space instead of a color block should preserve the original look and feel of the webpage. Publishers can check out how to improve fill rates to reduce the chances of getting a blank impression.

‘Ad unit experiment’ Option Doesn’t Exist Anymore

As a part of the new update, Google has also removed the experiment feature for ad units. If you had ad unit experiments running, they will be discontinued (if they haven’t already). However, the reports and data of your previous experiment will remain intact for reference.

Ad Unit experiment

Impact on publishers: Removing the ‘Experiment’ option will make it harder for publishers to check different styles and formats to check the performance of their ad units. Note that, AdSense has only removed the experiment feature for ad units, ‘Blocking controls’ (experiment by changing the ad category or ad serving settings) and ‘Ad balance’ (to strike the correct balance between ads and revenue) still exist.

Synchronous Code No Longer Available

As a default, all AdSense codes are asynchronous (ads that load separate from site content) now. this change was made because synchronous ads increase page load time by creating bottlenecks. With synchronous code, until both the webpage content and the ads load, users see a loading page on their device.

To tackle this problem, publishers use asynchronous ad codes on their websites. Previously, AdSense provided ad codes in both formats. However, after this update, publishers won’t get the option to generate synchronous ad code. Although, they can still manually create synchronous code (not recommended).

Impact on publishers: With this update, AdSense has simply taken down a redundant feature. Most AdSense publishers never really used this feature (Google marked it as ‘Not recommended’). So, the removal of the synchronous ad code may not be of major concern for publishers.

synchronous code

‘Add Custom Channel to Ad Unit’ is not Supported

According to Google, “Advertisers not buy placement targeted ads, so custom channels are only used for reporting now.” For now, publishers can check the custom channels report. But going forward, publishers will need to add the custom channel ID so as to track ad units. Alternatively, publishers can try adding filters to the ‘Ad Units’ reports to get the info that they want.
Impact on publishers: the basic reporting pattern has changed for publishers. Custom channels helped them categorize ad units and then use those categories to track performance. with that gone, publishers will now need to use different metrics (such as ad ID or ad unit) to get the reports and data they want.

Most of these changes are the removal of obsolete features. Making ad units responsive and merging text and display ad types can prove beneficial for publishers. But at the same time, the removal of the ad unit experiment feature can make it difficult for publishers to track ad placements and compare their performance.

However, there are workarounds. for example, publishers can get Google Ad Manager to access the ‘Ad Experiment’ feature. Furthermore, Ad Manager also can help them found out backup ads option to fill remnant inventory.

These updates can be overwhelming for some publishers, while others might even not notice the changes. Visit your AdSense account and go to Ad units page to check whether these updates have been applied on your account.

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