MailerLite Landing Pages and Forms: Converting Traffic Into Subscribers

List growth is the fuel that keeps an email programme alive. Without a consistent inflow of new subscribers, your audience gradually shrinks as people unsubscribe, change emails, and churn. Most email platforms treat list-building tools as secondary features — something you access via third-party integrations. MailerLite builds landing pages and forms natively into the platform, making the connection between subscriber capture and automation trigger seamless.

This post covers MailerLite’s landing page builder, the range of form types available, how to connect forms to automation sequences, and the practical tactics that improve signup conversion rates without sacrificing list quality.

MailerLite’s Landing Page Builder: What It Includes

MailerLite’s landing page builder is accessible under the “Sites” tab in the main navigation. You can create unlimited landing pages on paid plans (the free plan includes one landing page).

Core Builder Features

The builder is a drag-and-drop editor with block-based layout construction. Available block types include:

Hero sections with headline, subheadline, and CTA button
Feature/benefit rows with icon or image + text
Image and video blocks
Testimonial and review blocks
Pricing tables
Countdown timer blocks (useful for limited-time offers)
Signup form blocks — the core functional element that captures the subscriber

The visual quality of the default templates is competitive. MailerLite’s templates are clean, mobile-responsive by default, and cover the main landing page use cases: lead magnet delivery, discount code capture, event registration, and product waitlists.

Publishing and Domain Options

MailerLite landing pages can be published on:

A MailerLite subdomain (yourbrand.mailerlite.site)
A custom domain you own, connected via DNS settings in your MailerLite account

For serious list-building efforts, using your own custom domain is strongly recommended. It keeps subscribers in your brand environment, avoids the generic “mailerlite.site” URL in shared links, and contributes positively to brand trust — particularly important if your landing page is the first touchpoint a prospective subscriber has with your brand.

Form Types in MailerLite

MailerLite supports four primary form types, each suited to different list-building contexts.

Popup forms appear over page content after a defined trigger. In MailerLite, popup triggers include:

Time delay: Show after X seconds on page
Exit intent: Detect mouse movement toward the browser close/back button and fire the popup at that moment
Scroll trigger: Fire when the visitor scrolls to a defined percentage of the page
Click trigger: Fire when the visitor clicks a specific element (useful for inline “Get the discount” buttons)

Exit intent popups are the highest-converting trigger for most e-commerce sites because they reach visitors who are about to leave — a high-intent moment where a meaningful offer can change their decision. Time delay popups are the most common but tend to interrupt visitors who are still reading, which can create friction.

Form design principles for popups:

Single field forms (email only) convert higher than multi-field forms
A specific value proposition outperforms generic “sign up for our newsletter” messaging — “Get 10% off your first order” or “Join 5,000+ readers getting our weekly tips” gives a reason to subscribe
The close option should be visible and easy to use — aggressively hidden close buttons hurt brand perception and do not improve subscription rates

Embedded Forms

Embedded forms are placed directly in the content of a webpage — inside a blog post, on a dedicated subscribe page, in the footer, or on a landing page. They are always visible (no trigger required) and tend to attract higher-intent subscribers than popups because the visitor actively chooses to scroll to and fill in the form.

MailerLite generates a small JavaScript embed code for each embedded form. Paste this into your website’s HTML or CMS block editor where you want the form to appear.

Use embedded forms in:

Blog post body (after providing value in the post content)
Resource or guide pages (“Download the full guide by entering your email”)
Dedicated subscribe page linked from navigation
Footer — a lower-conversion but always-present option that catches intent-driven visitors

A popup form works best when you are capturing subscribers within the existing browsing experience — the visitor is already on your site and you are adding a capture layer.

A standalone landing page is better when:

You are running paid ads where you need a dedicated, distraction-free destination
You are sharing a link in social media, email, or partner promotions where you need a self-contained page
You are offering a specific lead magnet (guide, toolkit, template) that needs its own presentation
You are running an event registration or product waitlist that warrants a full-page treatment

Both have their place. A well-optimised list-building programme typically uses both in combination.

A/B Testing Landing Pages in MailerLite

MailerLite’s landing page A/B testing allows you to test two versions of a page against each other, with traffic split evenly between the variants. The platform automatically tracks unique visitors and conversions for each variant, showing conversion rate by version.

What to Test First

The elements that most consistently impact landing page conversion rates, in order of impact:

Headline: The single most influential element. Test a benefit-focused headline vs. a feature-focused one, or a specific number (“Get 10% off”) vs. a more emotional framing (“Join the community of [X] happy customers”)
The offer itself: If your conversion rate is low (below 2–3% of visitors for a paid traffic landing page), the issue may be that the incentive is not compelling enough. Test a stronger offer rather than continuing to test design elements.
Form field count: Single-field (email only) vs. two-field (first name + email). First name capture enables better personalisation but reduces conversion rate. Test to find your brand’s optimal balance.
CTA button text: “Subscribe” vs. “Get my discount” vs. “Join now” — the language of the button affects conversion. Specific, benefit-oriented button text typically outperforms generic options.
Social proof placement: Testing a testimonial above the fold vs. below the form can produce meaningful differences depending on your audience’s trust level.

Run each test for a minimum of 200 unique visitors per variant, or until a clear pattern emerges. MailerLite does not provide statistical significance calculations, so apply conservative judgment — wait for a meaningful conversion rate difference (more than 15% relative) before declaring a winner.

Connecting Forms to Automation Sequences

The most critical step after building a form is ensuring subscribers who opt in are automatically entered into the right automation. In MailerLite, this is done at the form level:

When configuring a form, you assign it to a specific MailerLite group. Any subscriber who fills in the form is added to that group. Your welcome series automation is triggered by “Subscriber joins group [X]” where X matches the group your form assigns to.

This means different forms can feed different automations:

Popup form on product pages → adds to “interested_in_products” group → triggers product-focused welcome series
Landing page for a lead magnet → adds to “lead_magnet_subscribers” group → triggers lead magnet delivery sequence
Footer form → adds to “general_newsletter” group → triggers standard newsletter welcome

This segmentation at the point of subscription is one of the most valuable list-building practices available. Knowing which form a subscriber came through tells you their intent context, which allows you to send a first email that is immediately relevant to why they signed up.

What Makes MailerLite’s Landing Page Tool Competitive

Against pure-play landing page tools like Unbounce or Leadpages, MailerLite’s builder is less feature-rich — fewer templates, less sophisticated A/B testing, no multi-step funnel builder.

The competitive advantage is integration tightness. In Unbounce, you build the landing page, set up a Zapier integration to connect to your ESP, and manage two systems. In MailerLite, the landing page and the automation are the same platform. A subscriber opts in on a MailerLite landing page and is in a MailerLite automation within seconds, with no integration complexity, no Zapier dependency, and no sync delay.

For brands already using MailerLite as their ESP, using MailerLite’s native landing pages rather than a separate tool reduces operational overhead and eliminates a potential point of failure in the subscriber handoff. For most brands at MailerLite’s target market size, this simplicity is more valuable than the advanced features of a dedicated landing page platform.

Practical List-Building Tactics for MailerLite Users

A few additional tactics that work well within MailerLite’s ecosystem:

Referral-triggered forms: Use a landing page with a dedicated referral link — when an existing subscriber shares the link with a friend, the friend sees a landing page with the subscription form pre-populated with a referral source tag. Track which subscribers are most effective at referring others.

Quiz-to-subscribe flow: Build a short quiz using a third-party quiz tool (Typeform, Interact), then pass the quiz result to a MailerLite landing page via URL parameter. The landing page thanks them for completing the quiz, shows their result, and prompts email subscription for the full guide. This sequence typically converts significantly higher than a standard discount pop-up.

Content upgrade forms: Within blog posts, embed MailerLite forms offering a download that extends the post — a checklist, template, or worksheet version of the article. These embedded forms attract subscribers who are actively engaged with specific content topics, producing higher-quality, more relevant subscribers.

How Excelohunt Helps With MailerLite List Building

Building a consistent, high-quality subscriber acquisition funnel requires the right combination of form strategy, landing page design, offer development, and automation connection. The Excelohunt team works with MailerLite users to build and optimise their list-building infrastructure and ensure every new subscriber enters the right sequence immediately.

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MailerLite Landing Pages and Forms: Converting Traffic Into Subscribers