> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cello.so/llms.txt
> Use this file to discover all available pages before exploring further.

# Improve User Activation

> Recommendations to optimize the signup conversion of referred users

This page provides recommendations to optimize the signup conversion of referred users. Cello offers a variety of options that range from stunning new user experiences with personalized website content to easy setup solutions.

## Increase discoverability of your referral program

<img src="https://uploads.developerhub.io/prod/d316/g0v2qmjbl95u9gigjwxj5js9aqca6bfm04p5w0rpvovlz2yeijhz8eq5sdmmlrwm.png" alt="Referral program discoverability" />

**Get started now:**

🔗 [Show Cello floating button](/sdk/client-side/cello-js#show) by default. Contact your CS team for adjustments to the floating button.

🔗 [Custom launcher](/referral-component/custom-launcher) to add menu integrations.

## Integrate referral ask at moments of delight

<img src="https://uploads.developerhub.io/prod/d316/xj83osslkd6c68kpr2qq2ha01h964gkq9ea6wklmsvhznjkfnabt0yngsqfc8j2q.png" alt="Moments of delight" />

**Get started now:**

🔗 **Simple option**: Add [button or UI for opening referral widget](/sdk/client-side/cello-js-usage#open-destination) to your existing user flows.

🔗 **Advanced option**: Set up [behavior-based triggers](/guides/best-practices/behavior-based-triggers) to send a custom message to users upon completion of a defined trigger moment.

<img src="https://uploads.developerhub.io/prod/d316/ogx4fbfodtzlbzax5foic5p52droatjdy2opxlc2y4kzams0ik6ghi9wcr82wb84.png" alt="Integration example" />

## Enable essential notifications with Cello email campaigns

<img src="https://uploads.developerhub.io/prod/d316/di33jnnyc41kspvmjhwxozpbbrawqklpcfcq2rxmjcivxjnmxkf67biuksm2qnay.png" alt="Email campaigns" />

**Get started now:**

Contact your Cello CS team to activate email campaigns in Slack or at [support@cello.so](mailto:support@cello.so). Email addresses need to be provided on boot of Cello to activate certain types of emails.

### Customize Cello in-app messages

<img src="https://uploads.developerhub.io/prod/d316/e23phwyfoccvizmt8ovp5bkgb9w89mco4nk3g32ogonfwf8ud8j82sdmdyzcdbq1.png" alt="In-app messages" />

**Get started now:**

Contact your Cello CS team to activate the activation campaigns and customize messages [here](https://getcello.typeform.com/to/Np4C9iiO).