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This document describes version 5 of Unblu. If you’re using the latest major version of Unblu, go to the documentation of the latest version.

The support period for version 5 ended on 22 November 2021. We no longer provide support or updates for this version. You should upgrade to the latest version of Unblu.

Dynamic Snippet Injection

The Filter (AKA SecureFlow Manager) can be configured to decide when to inject the JavaScript snippet into your web pages. This is called Dynamic Injection as the snippet is injected at runtime according to a rule set that you define. Dynamic Injection makes the process much more efficient as the Filter decides when to inject which JavaScript files and only does this when a co-browsing session has been started.

The (computational/bandwidth) efficiency gained using dynamic snippet injection scales according to the scale of the traffic on your web site. If, for example, you have instrumented all of the Unblu-relevant pages of your web site without the Filter then each time a visitor browser makes a request the snippet will load and execute and thus consume bandwidth and resources (bearing in mind that once the scripts are loaded they are cached and reused). Using dynamic snippet injection, with the Filter in place, means communications between your web pages and the collaboration server will only happen when Unblu-specific requests are made.