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Even though I send only a single event for Application Insights, some data are sent additionally from browser as seen from the Browser Network log. They are,
The above data are additionally and automatically sent even though I send only a single custom event. Also I don't track any page view. I just send only a single custom event and there are multiple data sent that contains the name as mentioned above in the list.
Can anyone please help me how to restrict sending the above additional data?
With the help of "disableAjaxTracking", I could prevent "RemoteDependencyData"from being sent. But still, I am not sure how to restrict sending PageViewData and PageviewPerformanceData .
I use trackEvent() to send the single event and I use JavaScript SDK for application insights.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(249.60000000000002, 39%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
@Gowtham Lcs Thanks for your question. I am looking into it and I will update you soon.
@Gowtham Lcs Have you tried to use telemetry initializer and return false on PageView (PageViewPerformanceData) envelopes ? For more information about it, kindly refer this document.
Thank you. This has helped me to restrict those data being sent from the client.
I have two clarifications here.
@Gowtham Lcs Kindly note that when you enable application insights using JavaScript SDK , by default, it automatically enables the telemetry items shown in below snapshot. And you can always use TelemetryInitializer to restrict the data. 
@Gowtham Lcs Kindly note that when you enable application insights using JavaScript SDK , by default, it automatically enables the telemetry items shown in below snapshot. And you can always use TelemetryInitializer to restrict the data.
Hi,
Issue still occurs in one more case.
When IIS is reset, and then application is loaded, PageViewData and PageviewPerformanceData are again sent once automatically (when used with Chrome browser) even if I am returning false in the telemetry intializer when the base type is other than event data. Whereas when Firefox browser is used, "PageViewData" and "PageviewPerformanceData" are sent automatically on every refresh.
Also, if my configuration does not have disableAjaxTracking, RemoteDependencyData is sent from browser even though if I am returning as false from Telemetry Initializer.
Please let me know how to fix this.
@Gowtham Lcs - Apologies for delayed response. Using Telemetry Initializers is the recommended way to implement custom filters. The JS SDK is designed to run in the browser, and so it sends a PageView automatically upon pageload. If RemoteDependencyData is not filtered by a telemetry initializer, the filter implementation needs to be evaluated. Since this needs further investigation can we please request you to send an mail to AzCommunity@microsoft.com including "Attn:Bharath" in subject line. Also add your Azure subscription ID, your code snippet (please mask any sensitive information) used for filtering and also link to this Post (for context).
We'll continue to investigate this with you directly and will update the thread with any findings that may help others. Thank you
Is there any way to restrict PageView calls that are sent automatically?
NOTE: We have just used trackEvent() in our code, but still we are getting the PageView calls.
Hello @Gowtham Lcs , As you have just used trackEvent() and as you have already used recommended telemetry initializer (return false) on PageView (PageViewPerformanceData) envelopes so I believe it should help to restrict PageView calls that are sent automatically! However, if that's not the case then I think it needs a deeper look at your code snippet for better clarification. So, I recommend you to send an email as informed in above comment so that it will be investigated further deeply.
@Gowtham Lcs Kindly share the requested information over email as mentioned in previous comments so that we can assist you in resolving the issue.
@Gowtham Lcs Kindly revert if in you need further assistance in resolving the issue.