Optimizely Web Experimentation JavaScript snippet
- Optimizely Web Experimentation
- Optimizely Personalization
Optimizely Web Experimentation and Optimizely Personalization create experiments and campaigns on your site by executing a one-line JavaScript snippet that contains your unique project ID. After you implement the snippet, you can build experiments and campaigns on your site. This snippet automatically updates to run any experiment you create in the editor. See how you can set up Optimizely Web Experimentationset up Optimizely Web Experimentation.
Warning
Do not modify the snippet. Copy and paste it onto your site exactly as you see it within Optimizely Web Experimentation or Optimizely Personalization. Otherwise, Optimizely may not run correctly on your site.
For example, do not add an id="optimizely" attribute to the script.
Optimizely Web Experimentation lets you perform A/B testing (also known as split testing) and multivariate testing across your entire technology stack. In Optimizely Web Experimentation, these are called experiments.
Experiments that you perform on your website are executed using a one-line JavaScript snippet. This single line of code loads Optimizely Web Experimentation on your site and changes the experience for visitors who are randomly bucketed into variations. Other visitors see a baseline or original experience. Optimizely Web Experimentation helps you compare these variations of an experience and determine which leads to a better user experience and more conversions. The snippet determines how changes execute for visitors to your site. Each snippet lives in a project in your Optimizely Web Experimentation or Optimizely Personalization account.
The projectproject is a space where you build and manage experiments and track the results.
If your account uses custom snippetscustom snippets, you might have more than one snippet listed in your projects.
Optimizely Web Experimentation collects data about your visitors and conversions and runs them through the Stats EngineStats Engine to show you which variations are winners or losers compared to your baseline so that you can make decisions about which changes to implement on your site.
The following image shows how the process works:
If you are experimenting with your mobile app or across your technology stack, Optimizely Experimentation offers software development kits (SDKs) with Optimizely Feature ExperimentationOptimizely Feature Experimentation.
How else can you use Optimizely Web Experimentation?
- Run A/B tests across multiple pages, funnels, or flowsmultiple pages, funnels, or flows.
- Run tests that compare two different URLstwo different URLs.
- Use Optimizely Web Experimentation as a content delivery tool: make changes or hotfixes that you can show to all visitorsshow to all visitors.
- Run separate experiments directed at separate audiencesseparate audiences.
Additional resources
- How the Optimizely Web Experimentation snippet works: Order of activationHow the Optimizely Web Experimentation snippet works: Order of activation
- Cookies and localStorage in the Optimizely Web Experimentation snippetCookies and localStorage in the Optimizely Web Experimentation snippet
- Custom snippets in Optimizely Web ExperimentationCustom snippets in Optimizely Web Experimentation