Adobe Data Layer - Array Length

Question

Hey,

We are currently leveraging the Adobe Data Layer for tracking page changes via event pushes on SPA pages.

Can anyone provide any guidance / experience regarding the impact of not setting a limit on the number of data later push / objects that are present in the Adobe Data Layer.

For a given session:

A user may spend an extended amount of time on a page/ site thus extended the Adobe dataLayer
Potential impact to mobile users? Bandwidth / Network impact if any?

Is there any potential impact from an Adobe Web SDK capturing perspective?

Thanks,

Ty

tyrese · Accepted Answer

It's the actual limit of javascript arrays 😅

as I said, I don't see an issue. Tracking of state changes with WebSDK is standard.

Hey @bjoern__koth

thanks for the adding information and confirmation on the impact.

I developed this ahead of time - it may still be useful to any other individuals looking to trim the number of dataLayer objects whilst maintaining the [0] object and the most recent object.

if (adobeDataLayer.length > 20) {

const first = adobeDataLayer[0];

const last = adobeDataLayer[adobeDataLayer.length-1];

adobeDataLayer.length = 0;

adobeDataLayer.push(first,last);

}

Thanks,

Ty

bjoern__koth · Answer

Hi @tyrese

I would not care about the number of items in the data layer. That's an array that will likely never reach its maximum length. I would rather be concerned of potentially sending a LOT of billable server calls. Since these calls will likely not happen at the same time, the overall used bandwidth should be negligible.

I would recommend checking what tracking calls and data layer pushes actually make sense from a reporting perspective.
There appears to be a lot of background noise on your pages.

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