https //www.googleadservices.com/pagead/conversion_async.js Blocked
Hello, everyone. Today, we will explain why https //www.googleadservices.com/pagead/conversion_async.js is blocked and what its impact is on websites. Conversion_async.js is a small snippet of JavaScript code integrated by websites for conversion tracking and gathering analytics for Google Ads campaigns.
In recent times, more websites and ad blockers have been known to block this script, which disrupts the tracking of conversions and Google Ads’ return on investment.
Table of Contents
What is https //www. googleadservices. com/pagead/conversion_async. js? 
The link is https //www. googleadservices. com/pagead/conversion_async. js, which links to the Google JavaScript file used to track conversions from the Google Ads campaign. Websites that use Google Ads use it to measure the time between when a user clicks on an ad and when they accomplish a specific goal, like buying something.
However, if a user clicks on a Google Ad, his browser is set to store a cookie within it. When that user later goes to the advertiser site and acts such as a purchase, the conversion_async. js file communicates to Google that the conversion has happened so that the advertiser can determine the efficacy of the ad campaign.
Why Would https //www. googleadservices. com/pagead/conversion_async. js Be Blocked?
There are a few reasons why the conversion tracking JavaScript file may be blocked on some websites: There are a few reasons why the conversion tracking JavaScript file may remain blocked on some websites:
Privacy Concerns
Many websites that care about their users’ data privacy deliberately exclude common third-party scripts such as conversion_async—js from loading to avoid compromising privacy. Users disagree with data remaining transferred back to Google servers.
Security Policies
Such restrictions can remain implemented by the company’s corporate networks or security programs to prevent scripts from loading from other sources. That collateral blocking would also stop conversion tracking, a benign script, from working.
Adblocking Software
Some browser add-ons, such as the ad and tracking list from uBlock Origin, directly disable well-known scripts. While conversion_async. js is related to measuring ad conversion rate, which is the performance of any advertising content; they can block it.
How Does Blocking conversion_async. js Script Impact Websites? 
In this case, when conversion_async. js remain blocked, and websites cannot precisely measure the effectiveness of Google Ads campaigns.
Loss of Valuable Conversion Data
They do not know when a website visitor bought their products after coming from Google Ads, leaving them with no essential insight into their ad ROI spending.
Inability to Optimize Campaigns
Advertisers cannot determine which keywords, ads, or even the landing page are the most effective without the conversion data. This distorts their decision-making regarding where to allocate their ad money efficiently.
Revenue Impact
While ineffective ads may not remain as apparent in their lack of contribution to the main website goal of increasing clicks, in extreme cases, the inability to recognize such inefficiencies means that wasteful ad spend continues to remain utilized—which translates directly to weaker bottom-line revenues. This also makes creating a focused messaging approach a challenging endeavor.
How to Allow conversion_async. js Script
Web admins who are keen on preventing the Google Ads conversion script from running on their websites should consider allowing it to track their ads best. This means there are opportunities to include the script within the website’s security policies.
Companies relying on Google Ads must ensure they have conversion data access. If they find script blocking, they must act accordingly. Browser ad blockers must allow the script to run since they may sometimes block the script.
Is the conversion_async. js Script Safe?
In general, one can safely allow the conversion_async. js file since its functionality does not threaten security or privacy. Like with any other third-party script, it still means that an external party’s code runs on your users’ browsers.
The tracking remains not generalized and restricted to customer conversions directly resulting from a Google Ads click. However, those more concerned with privacy might still want to ban it or search for other ways to measure conversion within their firms.
Conclusion:
In this post, we discussed https //www.googleadservices.com/pagead/conversion_async.js Blocked. There are a few reasons why the conversion tracking JavaScript file may remain blocked on some websites. In the comment section, let me know whether you found the article helpful.
