Guides

How to Measure Customer Engagement (9 Key Metrics)

Learn how to measure customer engagement with the essential metrics and KPIs to track engagement, predict churn, and drive growth.

How to build a winning customer engagement strategy

Learn how to create a customer engagement strategy that drives loyalty. Includes best practices, examples from top companies, and proven tactics

What is customer engagement? Strategies & examples in 2026

Customer engagement measures how well your business connects with customers. Here's what it means, why it matters, and examples & strategies that work.

7 Ways to Automate Your Marketing Funnel

Learn how to create great customer experiences at scale.

Emerging Trends and the Future of Rich Business Messaging

Business messaging is evolving fast, with Google and Meta shaping the landscape. Rich content—like carousels, quick replies, and CTAs—makes messaging more engaging than SMS, driving better marketing, sales, and support. The key to success: choose the right channel and future-proof with multi-channel orchestration.

Holiday Sending 101

The following guide was put together by the Twilio SendGrid support team to ensure you optimize your email sending this holiday season!

Your 2025 Holiday Email Campaign Handbook

Use these tools to help your program smoothly navigate from Point A to Point B this holiday season.

2025 Email Deliverability Guide

Getting to the inbox is the responsibility of the sender. We can help you get there.

How to Build an Email List From Scratch (the Right Way)

Learn how to build an email list from scratch with proven examples, best practices, and step-by-step processes.

Email Deliverability Best Practices: How To Make It To The Inbox

Twilio SendGrid's Email Deliverability Guide provides all the tips you need to improve your email delivery. Learn best practices that will get your emails to the inbox.

Your guide to email A/B testing and optimizing your call to action

Thoughtful A/B testing and optimizing CTAs ensure that you’re listening to your recipients and continuously improving your email marketing efforts. This guide walks you through both important pieces so your email campaigns continue to get better and better.

Twilio SendGrid's Email Guide for IP Warm Up

Learn how to successfully warm up your IP address to improve email deliverability and avoid delivery failures with Twilio SendGrid's comprehensive guide.