How Split.io vs. Site123 vs. Instapage stack up against each other

Compare Instapage with Split.io and Site123 to create high-converting landing pages. With personalization, optimization, and collaboration tools, Instapage helps you deliver experiences that drive results.

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Features that set us apart from Split.io and Site123.
Feature Instapage Other builders
Drag-and-Drop Tools
Conversion-optimized templates
Manual and AI-powered A/B Tests
AI content suggestions
Popups and sticky bars
Canvas and grid blocks
Reusable and global elements
Form and popup builders
Built-in Heatmaps
Central analytics dashboard
Ad-to-page personalization and collections
Contacts, lists, and email
Dedicated, full-service CRO experts
Enterprise-ready platform

Leading the way in building high-performing landing pages

Grid Leader - Summer 2025
Best Est. ROI Enterprise - Summer 2025
Most Implementable Enterprise - Summer 2025
Fastest Implementation Enterprise - Summer 2025
High Performer - Summer 2025
Swytch shifts into high gear with Instapage

Instapage helps Evolve boost conversion rates across Facebook

The team wanted to improve their ad relevance scores on Google and Facebook and optimize their ad budget.

Swytch shifts into high gear with Instapage

CFI Financial Group invests in personalization with Instapage

CFI Financial Group integrates Instapage into their technology stack and dramatically increases page conversions

Swytch shifts into high gear with Instapage

Netradyne drives higher results with Instapage

Netradyne’s products have multiple use cases, like improving fleet efficiency, and training drivers to follow safe driving practices, and securing legal exoneration.

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Why Instapage is the smarter choice for your campaigns

Get everything you need to build, scale, and optimize high-converting landing pages—without coding.

Instapage offers a flexible and seamless page creation experience with a library of 500+ conversion-focused layouts, Instablocks®, a drag-and-drop builder, and AI content generation. With technologies like AMP and the Thor Render Engine®, you can create on-brand, mobile-responsive landing pages that load quickly and start converting during initial visitor clicks.

Easier page building without coding

Instapage offers a flexible and seamless page creation experience with a library of 500+ conversion-focused layouts, Instablocks®, a drag-and-drop builder, and AI content generation. With technologies like AMP and the Thor Render Engine®, you can create on-brand, mobile-responsive landing pages that load quickly and start converting during initial visitor clicks.

Instapage lets you see in detail how each landing page experience and variation is performing so you can make targeted changes that boost page conversions. Use heatmaps for a better understanding of on-page activities, run A/B tests and AI-assisted experiments, and then track and evaluate results within robust analytics dashboards.

More insights — better results

Instapage lets you see in detail how each landing page experience and variation is performing so you can make targeted changes that boost page conversions. Use heatmaps for a better understanding of on-page activities, run A/B tests and AI-assisted experiments, and then track and evaluate results within robust analytics dashboards.

Instapage lets you quickly create high-performing landing pages tailored to each of your ad campaigns. Deliver personalized experiences for distinct audiences using dynamic text replacement. Effortlessly align specific advertisements to unique pages with AdMaps. Monitor audience-level metrics using our advanced data tools.

More personalized experiences

Instapage lets you quickly create high-performing landing pages tailored to each of your ad campaigns. Deliver personalized experiences for distinct audiences using dynamic text replacement. Effortlessly align specific advertisements to unique pages with AdMaps. Monitor audience-level metrics using our advanced data tools.

Instapage collaboration capabilities bring your entire team together to speed up the process of landing page review, approval, and launch. No more frustrating and unnecessary revisions or edits scattered across emails. Provide instant feedback, conduct real-time page edits, and securely share your pages with outside stakeholders.

Built-in collaboration

Instapage collaboration capabilities bring your entire team together to speed up the process of landing page review, approval, and launch. No more frustrating and unnecessary revisions or edits scattered across emails. Provide instant feedback, conduct real-time page edits, and securely share your pages with outside stakeholders.

Invest time into business growth, not busy work. Launch landing pages faster with reusable forms and templates. Build once, reuse forever.

Free up time for your business

Invest time into business growth, not busy work. Launch landing pages faster with reusable forms and templates. Build once, reuse forever.

Explore all integrations
Easier page building without coding
More insights — better results More insights — better results sidebar
More personalized experiences More personalized experiences sidebar
Built-in collaboration
Free up time for your business

Easier page building without coding

Instapage offers a flexible and seamless page creation experience with a library of 500+ conversion-focused layouts, Instablocks®, a drag-and-drop builder, and AI content generation. With technologies like AMP and the Thor Render Engine®, you can create on-brand, mobile-responsive landing pages that load quickly and start converting during initial visitor clicks.

More insights — better results

Instapage lets you see in detail how each landing page experience and variation is performing so you can make targeted changes that boost page conversions. Use heatmaps for a better understanding of on-page activities, run A/B tests and AI-assisted experiments, and then track and evaluate results within robust analytics dashboards.

More personalized experiences

Instapage lets you quickly create high-performing landing pages tailored to each of your ad campaigns. Deliver personalized experiences for distinct audiences using dynamic text replacement. Effortlessly align specific advertisements to unique pages with AdMaps. Monitor audience-level metrics using our advanced data tools.

Built-in collaboration

Instapage collaboration capabilities bring your entire team together to speed up the process of landing page review, approval, and launch. No more frustrating and unnecessary revisions or edits scattered across emails. Provide instant feedback, conduct real-time page edits, and securely share your pages with outside stakeholders.

Free up time for your business

Invest time into business growth, not busy work. Launch landing pages faster with reusable forms and templates. Build once, reuse forever.

Explore all integrations
“Instapage gives us the ability to tailor our landing page content and layout to tell a unique story for each geographical target. The platform also enables us to create different variations with content that performs well for each unique channel. Every marketing team needs this!”
User review
Tamar Friedland, Sr. Director of Global Paid Marketing
"Instapage has truly maximized our digital advertising performance by enabling us to offer matching, personalized experiences for every ad and audience. Now we can scale our landing page experiences as efficiently and effectively as we scale the ads themselves."
User review
Darren Lepke, Marketing Director
"If we have to wait on a developer, our creative velocity plummets. But Instapage has made it possible for us to exponentially grow our advertising programs and convert more customers"
User review
Alex Kracov, Head of Marketing

Get started with Instapage in a few steps

  1. Create your Instapage account

    Start with Instapage by signing up via Google or your email. You'll get access to a free 14-day trial to discover Instapage capabilities. Feel free to cancel anytime during the 14-day trial if you decide that our product is not suitable for your business.
  2. Build and personalize your page

    Create your first landing page from scratch or choose a template from 500+ customizable layouts. Use the drag-and-drop builder to add page elements, fonts, and backgrounds, refine content with AI, or add custom HTML, Javascript, and CSS.
  3. Review and make edits

    Collaborate on page designs and streamline review processes. Invite your team members and stakeholders to review, edit, and provide feedback on your landing page. Collaborate knowing your page is confidential and only accessible to authorized users.
  4. Publish and track page performance

    Publish your page to a domain or custom URL. Connect your pages to the ads you've created and track page performance within the analytics dashboard, run A/B tests and AI experiments, analyze results, and continuously optimize your landing page to maintain high conversions.

Instapage vs. Split.io vs. Site123 – The Ultimate Showdown

Choosing the right landing page builder can feel a lot like forming a superhero alliance, and today, we’re gathering a trio of champions to see who brings home the gold. Think of Instapage, Split.io, and Site123 as your skilled superheroes, each equipped with unique powers to tackle the marketing challenges of the digital landscape. Whether you're a novice aiming to create your first landing page or a seasoned marketer looking to optimize conversions, this comparison promises to equip you with valuable insights. As we explore each contender, we'll uncover strengths and weaknesses to help you determine the best fit for your marketing strategy. Each platform has its charm and capabilities, and by the end of our journey, you'll be well-prepared to choose your marketing dream team. So, buckle up as we venture into the world of landing page builders, where innovation meets opportunity, and let’s find out who reigns supreme amongst these rivals.

Meet the Contenders: A Quick Intro

In this arena, we have three well-known names: Instapage, Split.io, and Site123. These platforms are recognized for transforming the landing page landscape, but each brings its own unique flair to the table. Instapage has established itself as the go-to for marketers looking to reduce costs while delivering high-converting landing page experiences. It's renowned for enabling businesses to create tailored landing pages that enhance brand trust and customer loyalty. Split.io, on the other hand, is unique in its focus on feature flags and experimentation, providing a testing ground for your marketing tactics. This makes it a favorite for teams who thrive on data-driven decisions and continuous optimization. Finally, we have Site123, known for its user-friendly design and straightforward setup process, which appeals to beginners and those who want to launch fast without diving deep into technicalities. Together, they represent diverse approaches to landing page creation, each addressing different needs within the marketing spectrum.

Round One - Feature Showdown: What Each Platform Offers

Template Selection and User-Friendly Interfaces

When it comes to feature offerings, the first thing we often consider is the variety of templates available. Instapage stands out with its extensive library of customizable templates that cater to various industries and marketing goals. This flexibility enables marketers to create compelling, high-conversion pages without starting from scratch. Split.io focuses more on offering robust experimentation tools rather than a vast template library, allowing users to test different landing page elements quickly. This function is invaluable for those who rely heavily on data to inform their marketing decisions. In contrast, Site123 shines in its simple, drag-and-drop interface that allows users to build a landing page in mere minutes. Its templates may have less customization potential than Instapage's, but they greatly enhance speed for those in need of a quick setup. Overall, while Instapage offers depth, Split.io promotes agility, and Site123 emphasizes ease, each platform fills a critical niche suitable for various user preferences and goals.

Instapage: Your Partner in Conversion Optimization

Instapage truly establishes itself as a market leader with its unmatched customization options and dedicated tools for conversion optimization. It is built with the serious marketer in mind, offering features that empower users to design, refine, and publish landing pages with precision. Every element can be tailored to meet specific campaign goals, ensuring that each landing page resonates with its target audience effectively. With Instapage's focus on collaborating with marketers to enhance brand trust and customer loyalty, it becomes much more than a mere tool; it’s a strategic partner on your journey to achieving higher conversion rates. Many marketing teams have reported dramatic increases in ROI after utilizing the advanced features offered by Instapage. Whether it’s through A/B testing, dynamic text replacement, or easy integration with ad platforms, Instapage makes sure that you’re equipped to meet and exceed your conversion targets.

Round Two - Speed and Performance: The Fast Lane

Imagine navigating a bustling coffee shop during the morning rush; if the line moves too slowly, patrons might leave in frustration. The same principle applies to landing pages—if they take too long to load, potential customers are likely to bounce. This round examines how each platform fares regarding speed and performance. Keeping pages snappy fosters a positive user experience, crucial for lowering bounce rates and enhancing conversions. A fast-loading landing page captures attention and holds interest, just like your favorite caffeine fix when delivered promptly. So, let’s dive in to see how Instapage, Split.io, and Site123 handle the speed challenge.

Instapage Advantages for Speed

  1. Instapage employs a robust content delivery network (CDN) that enhances loading speeds across geographical locations
  2. The platform optimizes images and resources, ensuring minimal page weight without sacrificing quality,
  3. Smart caching strategies are implemented to retain past visits, speeding up subsequent page loads
  4. It provides customizable scripts that allow for further optimization on a project-by-project basis

Split.io's Unique Performance Strengths

  1. Allows for fast iterations of landing pages through feature flags, enabling real-time adjustments
  2. Utilizes server-side rendering for quicker feedback on changes, enhancing user experience
  3. It’s light on resource usage, ensuring streamlined performance for testing environments

Site123's Speed Advantages

  1. Built with a responsive design that performs well on mobile devices and desktops alike
  2. Its simplified setup guarantees better speed due to fewer customizations
  3. An in-house server infrastructure caters to fast load times across all users
  4. The platform automatically optimizes content for speed without requiring extensive user knowledge

In conclusion, while all three platforms have their unique approaches toward speed and performance, Instapage offers the most robust solutions to ensure top-tier loading times. The strategies employed by Instapage make it unparalleled for marketers eager to deliver quick, reliable landing experiences. For those looking to maintain a competitive edge, opting for Instapage may prove crucial.

Round Three - Usability: Navigating with Ease

Usability is an essential factor in any landing page builder, as it dictates how easily users can navigate the platform to achieve their desired results. For beginners, Site123 is particularly appealing due to its straightforward setup process, which involves minimal steps to get started. Users can quite literally go from idea to execution in just a few clicks, making it ideal for small businesses or freelancers. Instapage, while slightly more complex, offers a wealth of resources and tutorials to guide users through the features, setting up even the most intricate landing pages with relative ease. Those who invest a bit of time in learning the platform will find it extremely rewarding. Split.io strikes a balance, accommodating seasoned marketers with ample options for testing while providing a decent learning curve for new users. Each platform strives to provide support for users, but Instapage takes the prize for its sheer depth of features coupled with supportive onboarding materials that ramp users up quickly with intuitive resources, blending power and usability seamlessly.

Round Four - Customer Support: Your Trusty Sidekick

Think of customer support as your trusty sidekick—always there to help out when challenges arise. Each of these platforms offers various support options. Instapage provides a comprehensive range of customer service channels, including email support, chat assistance, and rich knowledge base articles that empower users to troubleshoot independently. Their community forums are vibrant, serving as gathering spots where users share tips and experiences. On the flip side, Split.io offers reliable email support with a strong emphasis on documentation so that users can navigate issues effectively on their own. Though their community forums are less active, the focus is on providing robust, informative content. Site123 shines with its quick response times in live chat support, offering users speedy assistance whenever needed, which is a significant advantage for those who may not want to wait for email replies. Ultimately, all three platforms demonstrate a commitment to helping users, but Instapage excels in creating a steadfast support system that caters to diverse customer needs.

Round Five - Pricing and Value: Finding Your Best Fit

Pricing strategies can make or break the decision on which landing page builder to choose. Instapage offers a premium experience with various plans designed for businesses seeking superior customization and conversion features. Meanwhile, Split.io promotes a flexible structure where users pay for the functionalities they require, making it appealing for teams looking to experiment without committing to higher expenditures initially. Site123 takes a different approach with its clear and accessible pricing model, targeting those who prefer transparency in costs. While all three offer significant value, the right one for you will depend on your budget constraints and the specific tools required to achieve your marketing goals.

As we wrap up this face-off among Instapage, Split.io, and Site123, it’s evident that while each platform can help you in your landing page endeavors, the choice largely comes down to your individual needs. Do you prioritize feature-rich experiences, exceptional support, or simple, speedy setups? Instapage is evidently the top contender for individuals looking to enhance conversions and trust in their marketing campaigns. Consider taking advantage of their free trial or demo—put it to the test and discover how it can benefit your strategy. Sometimes, the right landing page builder can transform your marketing efforts, and you may just find that Instapage is the hero you didn’t know you needed.

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