Email marketing can be really hard, we know! Sometimes, what we think is a carefully curated email with stunning visuals just isn't performing as well as we hoped, and you don't know why. That is where A/B email testing comes in to highlight aspects of emails, whether they be copy or subject lines, that your subscribers like to interact with more. So what is A/B testing, and how does it work? A/B testing, also referred to as split testing, is a method used to compare the performance of two different versions of something in order to determine which one is more effective. A/B testing can be used in marketing in many different ways, not just in emails but in web designs, print marketing, and more! So, we have incorporated this tool into Nucleus to take your email marketing to the next level!

Why use A/B testing: 

When using testing for an email, the purpose to to find the most successful email combination for a specific message or campaign. For example, if you are trying to test an email with the goal of getting subscribers to click a link to get an ice cream coupon. Our platform, allows you to then create 2 different variations of the email and then see what email gets more traffic.

Here are some tips & tricks:

- Test on emails that are not urgent or need to be delivered in a tight time frame (testing takes a little while to gather the performance of the test and pick the winning one to send out the rest of)

- Keep notes of what you are trying to test so you can track performance with the stats you receive back

- Try to test the campaign frequently to get the most accurate 

- Intentionally target out elements to test, such as subject line, sender, CTA, etc.

- Think of even testing different variations against different audiences.

Benefits of using:

• Open and Response Rates: Identify factors that contribute to higher open rates by testing different subject lines, preheader text, and send times.
• Content Engagement: Test various versions of your email content to determine which version receives more clicks and prompts readers to take action.
• Cost-Effective: Utilize A/B testing as an affordable method to make data-driven decisions and gain insights from your campaigns.
• Ease of Analysis: Analyze test results using straightforward metrics to easily identify the better option.
• Increased Sales: Implement optimized changes to boost sales, enhance user experiences, build brand trust, and foster customer loyalty.
• Enhance Deliverability: Ensure your emails are sent correctly from your application and are received by users.
• Spam Testing: Identify characteristics that might make an email appear untrustworthy.

And Why Nucleus Is Built for It...

Your campaign might have social media, email, and ads—but without a strong website, your digital strategy is incomplete.

Whether you're running for office, leading a grassroots initiative, or organizing a national advocacy campaign, your website is the foundation of your online presence. It's where voters go to learn who you are, where donors go to give, and where supporters go to take action.

In short: your website is your campaign’s digital headquarters.

Why Your Website Matters

Think of your website as the one place you control completely. Unlike social platforms, where algorithms and attention spans are unpredictable, your website allows you to deliver your message on your terms. It's a space to:

• Introduce yourself and your vision

• Explain where you stand on the issues

• Publish news, endorsements, or key updates

• Collect donations and email signups

• Promote events and recruit volunteers

• Build credibility with voters and media alike

And it’s often the first impression someone gets—so it needs to look polished, load quickly, and be easy to navigate on both desktop and mobile.

Why Campaign Nucleus?

The Campaign Nucleus Website Builder is built specifically for political and advocacy organizations. While other website platforms are made for general business use, Nucleus gives you:

A drag-and-drop interface with campaign-ready templates
Seamless integration with your events, forms, CRM, and email tools
Prebuilt layouts for donations, issue advocacy, and volunteer signups
Responsive design so it looks great on every device
Built-in SEO settings for every page
Multi-site support for coalitions, chapters, or candidates under one roof
RSS feed options to auto-populate updates

In other words: no extra vendors, plugins, or platforms. Everything you need to manage your campaign lives in one place—connected, consistent, and easy to use.

Time-Saving. Impact-Driven.

Creating a campaign website doesn’t have to be expensive or complicated. With Campaign Nucleus, your team can launch a modern, action-driven site in a fraction of the time—and with full control over your content and branding.

Modern organizations need more than a single email list to effectively engage supporters. Audiences today expect personalized communication, relevant content, and the ability to control what they receive — and organizations need tools that make managing those relationships easier, smarter, and more connected.

That’s exactly what the new Nucleus Email Subscriptions feature delivers.

Built directly into the Nucleus platform, Email Subscriptions gives organizations a modern, flexible, and intelligent way to manage audience communication preferences while keeping everything fully connected to CRM records, segmentation tools, and the email builder.

Move Beyond One-Size-Fits-All Email Lists

Traditionally, many organizations have relied on a single large email list with limited subscriber control. This often leads to generic messaging, lower engagement, and higher unsubscribe rates.

With Nucleus Email Subscriptions, organizations can now create and manage multiple subscription types across:

• Campaign updates
• Events
• Memberships
• Donations
• Volunteer programs
• Website signups
• And more

This allows teams to organize audiences more strategically while delivering communication that feels more relevant and personalized to each supporter.

Smarter Segmentation and Better Campaign Performance

Nucleus Email Subscriptions helps organizations build stronger audience engagement strategies through smarter targeting and cleaner data management.

Teams can now:

• Build more targeted and personalized email campaigns
• Reduce unsubscribe rates by giving users more control
• Automatically enroll supporters into relevant communication categories
• Segment audiences based on interests, actions, engagement, and signup source
• Keep subscriber preferences synced across CRM, email, and audience tools in real time
• Improve campaign performance through more intelligent audience targeting

Because subscription preferences are directly tied into the broader Nucleus ecosystem, organizations gain better visibility into supporter engagement while eliminating disconnected workflows and manual workarounds.

A Better Experience for Supporters

For end users, Email Subscriptions creates a significantly better communication experience.

Instead of being forced into all-or-nothing email lists, supporters can now choose exactly what types of communications they want to receive. Whether someone only wants event updates, volunteer opportunities, donation campaigns, or organizational news, Nucleus gives them the flexibility to manage their preferences more easily.

This level of transparency and control helps organizations build stronger trust with their audiences while improving long-term engagement.

Fully Connected Across the Nucleus Ecosystem

One of the biggest advantages of Nucleus Email Subscriptions is that every subscription action is fully logged, synced, and connected directly to the broader platform ecosystem.

That means organizations no longer need disconnected third-party subscription tools or complicated manual processes to maintain accurate audience data.

Everything works together seamlessly across:

• CRM records
• Audience segmentation
• Email campaigns
• Website signups
• Automation workflows
• Supporter engagement tracking

The result is stronger operational efficiency, cleaner audience management, and more intelligent communication workflows at scale.

Building Stronger Relationships Through Smarter Communication

The launch of Nucleus Email Subscriptions represents a major step forward for campaigns, nonprofits, advocacy groups, and organizations looking to improve how they engage supporters.

By combining flexible subscription management with real-time CRM syncing and advanced segmentation capabilities, organizations can now deliver more relevant communication, strengthen supporter relationships, and build smarter engagement strategies directly within Nucleus.

Smarter audience management starts with giving both organizations and supporters more control — and Nucleus Email Subscriptions is designed to do exactly that.

Ready to ditch the one-size-fits-all email list?