Asynchronous tag
is a script that uses a "separate thread" to handle part of the processing of the webpage (so it will not hold up the loading of other elements on the page in the event that there is any latency in the tag loading). The asynchronous tag uses this thread to help reduce webpage load time. Websites that use many scripts or rely on rich media content will especially benefit from this new method, but even lightweight sites will see improvements.
- The asynchronous tag offers the following benefits:
- Faster tracking code load times for your web pages due to improved browser execution
- Elimination of tracking errors from dependencies when the JavaScript hasn't fully loade
comScore Distributed / Syndicated Content Publisher Tag Parameters
These standardized parameters improve classification and reporting and can be appended to the tag. Some variables are required to ensure appropriate data categorization:
In addition to the above parameters, the following parameters are auto-collected by the comScore tag:
Tag Example
Action Script
Use this Action script 2.0/3.0 code if you have content within Flash that needs to tag when it’s viewed.
Usage summary
comScore’s JavaScript is requested, automatically detecting a secure page, and automatically fires the tag based on the declared C parameters that are passed via query string. Note that the <object> & <embed> HTML must set the allowScriptAccess parameter to “always” or “sameDomain” in order for JavaScript to be executed from the Action script.
Next: How to Tag Distributed Content
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