Create your own alert

If you want to get started with your own budgets in addition to the default ones, they need to be set up. This is very simple. When you press create alert via the alerts module, you will see an explanation of how to set your own budget using the metric, percentile, device and dimension you want.

Create a budget

  1. go to the Core Web Vitals or technical dashboard of the domain that you want to create an alert for
  2. select your preferred dimension, percentile and device
  3. configure any additional filters
  4. create an alert via the "more..." button

In the example below, I'm going to set an alert for the following:

  • Metric: Cumulative Layout Shift
  • Device: Desktop
  • Percentile: 85
  • Dimension: Navigation type

As this is quite a detailed budget, I need to create it through the technical tab. This looks as following:


Click on the image to make it bigger

In the screenshot, you can see that I have set everything the way I want, so I can now create the budget. Now I get the option to fill in when I want to receive an alert. For example:

  • at all times when a check has run ( = always)
  • or only when one or more conditions of any bucket has been met.

Setting a trigger for your alert

Based on how you are doing, you want to be flexible with setting your alerts. For example, you can choose to:

  • Receive an alert when something falls above a certain value
  • The percentage change is at least x%
  • The number of events with a bad experience exceeds x%

Enabling notifications

You obviously want to receive the alert somewhere, you can read more about this in the notifications topic, but here we can probably set when you want to receive the alert. You can choose between always getting an alert for your set budget, so every day, even when it has improved or really only when it falls above your set budget.

Edit budget

Now that you have created a custom alert, it will appear among your list of alerts. Unlike default alerts, you can edit your custom alerts.

Clicking edit will take you to the details and history page, but you will also see an "edit settings" button. Clicking this will take you to the technical tab with your alert popup.

Here you can change the budget values by entering them again. When you press save you get the options:

  • Add as new
  • Overwrite current

The alert is resaved according to the option you choose.

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