Software Alternatives, Accelerators & Startups

Optimizely VS Google Tag Manager

Compare Optimizely VS Google Tag Manager and see what are their differences

Optimizely logo Optimizely

A/B testing you'll actually use.

Google Tag Manager logo Google Tag Manager

Google Tag Manager helps make tag management simple, easy and reliable by allowing marketers and webmasters to deploy website tags all in one place.
  • Optimizely Landing page
    Landing page //
    2023-10-04
  • Google Tag Manager Landing page
    Landing page //
    2021-07-29

Optimizely features and specs

  • Comprehensive A/B Testing
    Optimizely offers robust A/B testing capabilities, allowing businesses to test various versions of web pages and apps to determine the most effective design.
  • User-Friendly Interface
    The platform provides an intuitive and easy-to-navigate interface, making it accessible even for users who may not have technical expertise.
  • Personalization
    Optimizely's personalization feature tailors user experiences based on behavior, location, and other criteria to maximize engagement.
  • Comprehensive Analytics
    The tool offers detailed analytics and reporting functionalities that help in understanding the performance of experiments and identifying actionable insights.
  • Integration Capabilities
    Optimizely integrates well with other marketing tools and platforms, enhancing its utility and versatility.
  • Enterprise-Grade Features
    It provides enterprise-grade features like advanced targeting, real-time data, and extensive support, making it a suitable option for large businesses.

Possible disadvantages of Optimizely

  • High Cost
    Optimizely can be expensive, especially for small businesses or startups with limited budgets.
  • Steep Learning Curve for Advanced Features
    While the basic features are user-friendly, the more advanced functionalities may require a steep learning curve.
  • Limited Free Plan
    The free plan offers limited features, which might not be sufficient for businesses looking to utilize more advanced testing and personalization capabilities.
  • Resource Intensity
    Running extensive A/B tests can be resource-intensive and may slow down website performance.
  • Data Privacy Concerns
    Due to the extensive data collection, there might be concerns regarding data privacy and compliance with regulations like GDPR.

Google Tag Manager features and specs

  • Ease of Use
    Google Tag Manager allows users to add and update website tags without needing to modify the site code, streamlining the process for marketing teams and reducing dependency on developers.
  • Centralized Management
    Offers a centralized platform to manage all the tags on your website, making it easier to maintain and organize marketing and analytics integrations.
  • Version Control
    Version control features allow users to track changes, roll back to previous versions if issues arise, and maintain a history of tag modifications.
  • Debugging Tools
    Built-in debugging and preview mode helps users test tags before they go live, ensuring accurate implementation and functionality.
  • Templates and Customization
    Provides a variety of pre-built tag templates for popular analytics and marketing services, and supports custom HTML tags for more complex needs.
  • Event Tracking
    Facilitates event tracking without the need for manual coding, allowing for more detailed data collection on user interactions.
  • Integration with Google Products
    Seamlessly integrates with other Google products like Google Analytics, enhancing the utility and efficiency of analytics workflows.
  • User Permissions
    Allows for granular user permissions and roles, providing better control and security over who can manage and update tags.

Possible disadvantages of Google Tag Manager

  • Learning Curve
    Despite its user-friendly interface, there is still a learning curve for those unfamiliar with how tags and triggers work, which can be challenging for beginners.
  • Complexity in Advanced Scenarios
    While it's suitable for many common uses, advanced scenarios or custom tagging requirements can become complex and might require technical expertise.
  • Limited to Web and App
    Google Tag Manager primarily supports web and mobile app environments, which may not meet the needs of businesses working with other platforms or requiring more specialized environments.
  • Dependency on JavaScript
    The tool heavily relies on JavaScript, which means that users need to have a basic understanding of JavaScript to fully leverage custom tags and functionalities.
  • Page Load Impact
    Incorrect implementation of multiple or large tags can negatively impact page load times, affecting user experience and potentially SEO.
  • Potential for Misconfiguration
    As with any powerful tool, there is a risk of misconfiguration, which can lead to inaccurate data collection or even site errors if not handled properly.
  • Privacy Concerns
    Managing user data and ensuring compliance with privacy regulations like GDPR requires extra steps, which can complicate tag implementation and data handling.

Analysis of Google Tag Manager

Overall verdict

  • Google Tag Manager is considered a valuable tool for anyone who is looking to efficiently manage marketing tags and improve website operations. Its versatility and ease of use make it a popular choice among digital marketers, web developers, and analysts.

Why this product is good

  • Google Tag Manager (GTM) is a robust tool that allows marketers and website owners to manage and deploy marketing tags and tracking codes on their websites without having to modify the underlying code. It offers a user-friendly interface that simplifies the process of tag management, improves website load times, and enhances data accuracy by reducing errors associated with manual tagging. It also integrates seamlessly with other Google products such as Google Analytics and Google Ads, providing a cohesive ecosystem for digital marketing efforts.

Recommended for

  • Digital marketers looking to streamline their tracking and analytics setup.
  • Website owners who want to reduce dependence on developers for tag management.
  • Businesses using multiple marketing platforms that require coordination and integration.
  • Data analysts seeking accurate and comprehensive data collection for insight generation.

Optimizely videos

Optimizely Review | A/B Testing | Pearl Lemon Reviews

More videos:

  • Tutorial - Optimizely X Tutorial 2019 - How to Use Optimizely for A/B, MVT, Personalization, Program Management
  • Review - A/B Testing with Optimizely

Google Tag Manager videos

What Is Google Tag Manager? Top 3 Reasons You Need It (Google Tag Manager Review)

More videos:

  • Review - Introduction To Google Tag Manager 2020 | Lesson 1 (GTM for Beginners)
  • Review - Why You Shouldn't Use Google Tag Manager: Google Tag Manager Introduction

Category Popularity

0-100% (relative to Optimizely and Google Tag Manager)
A/B Testing
100 100%
0% 0
Analytics
54 54%
46% 46
Web Analytics
54 54%
46% 46
Mobile Analytics
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Optimizely and Google Tag Manager

Optimizely Reviews

  1. Deepak Kumar
    · Technical Writer at Einsstark ·
    Good A/B and multivariate testing tool

    Optimizely is a lower cost entry tool for anyone looking to do website testing. While their pricing structure has changed over the years it still is a pretty cost effective solution. It is easy to get tests up and running within 5 minutes once you have code placed on your site.

    I love the drag and drop features of Optimizely. It makes it very easy to make simple changes to do landing page testing for my paid search campaigns. It also frees up dev time for our web team. Also, The findings from Optimizely tests are so valuable for an end customer experience.

    🏁 Competitors: VWO

15 Best A/B Testing Tools And Software (2021 List)
Optimizely is more of a personalization tool but you cannot ignore its A/B testing superiority. It helps you put the face of the most appealing site in front of customers. There’s a lot of things that are good in this software such as the ability to set up a quick test, and a real-time statistical dashboard. No programming prerequisite needed but front-end development and...
Top Mobile Feature Flag Tools
Optimizely is a well known A/B testing and experimentation tool for both web and mobile. It claims to be built for the enterprise with features like roles, permissions, and two-factor authentication while still maintaining excellent usability. Along with user targeting, remote configuration, and instant rollbacks, Optimizely offers advanced A/B testing and experimentation...
Source: instabug.com
18 Top A/B Testing Tools Reviewed by CRO Experts
“Convert is a fantastic tool that should be considered and evaluated by any CRO agency or end-user client that also evaluates Optimizely and VWO. They offer a level of functionality that is globally on par with them for testing, but at a lower price level once you go above the free level offered by Optimizely.
Top 5 A/B Testing Tools List
All in all, Optimizely is the complete package: if you want to get started with A/B testing, it’s definitely worth trying out, considering the pricing and trial plans. If you are a more of a power user with the budget to support the top tiers, Optimizely’s advanced features might also be for you.
How to Choose the Right Testing Software For Your Business
“Overall, Visual Website Optimizer has the slight edge for casual A/B testers, but it’s more expensive than the basic version of Optimizely. For serious A/B testers, I definitely recommend Optimizely – more comprehensive offering, even though you have to pay extra for premium features.” – Rich Page, Website Optimization Consultant

Google Tag Manager Reviews

We have no reviews of Google Tag Manager yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Google Tag Manager seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Optimizely mentions (0)

We have not tracked any mentions of Optimizely yet. Tracking of Optimizely recommendations started around Mar 2021.

Google Tag Manager mentions (3)

  • 5 WEBSITES TIPS TO SUPERCHARGE YOUR BUSINESS GROWTH- Creative Wave Tech
    Design a change global positioning framework, for example, Google Tag Manager and Google Analytics objectives and occasions, to log transformations and client ways (you can gain proficiency with about how to do that in our post, The Top 12 Website KPIs for Small Business). Source: over 3 years ago
  • 4 Reasons Why Data Engineers Hate Google Tag Manager
    For years, Google Tag Manager (GTM) has made it easy for marketers and analysts to install and manage third-party analytics and marketing tools on their websites and apps. It provides a centralized platform allowing non-technical team members to add, edit, and disable tags without having to touch the source code. This means they don't have to bug you to add new tags or edit existing ones in the event of an update. - Source: dev.to / over 3 years ago
  • Graph database question?
    For C360 implementations the there’s a tool called Segment (https://segment.com/) that unifies all the customer identities used across websites/phone apps. Within Segment there is a defined matching logic for identity resolution based on different keys used across apps such as User ID, email, phone number, address, social media account. The end result is each persona will have one Segment ID where all your traits... Source: about 4 years ago

What are some alternatives?

When comparing Optimizely and Google Tag Manager, you can also consider the following products

VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.

Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.

AB Tasty - AB Tasty is an all-inclusive platform for conversion rate optimization, personalization, customer activation, and testing.

Adobe Analytics - Adobe Analytics is an industry-leading solution that empowers you to understand your customers as people and steer your business with customer intelligence.

Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.

LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.