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Optimizely VS SEMRush

Compare Optimizely VS SEMRush and see what are their differences

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Optimizely logo Optimizely

A/B testing you'll actually use.

SEMRush logo SEMRush

All-in-one Marketing Toolkit for digital marketing professionals.
  • Optimizely Landing page
    Landing page //
    2023-10-04
  • SEMRush Landing page
    Landing page //
    2024-08-24

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.

SEMRush features and specs

  • Comprehensive SEO Toolkit
    SEMRush provides a wide range of tools for keyword research, competitive analysis, backlink analysis, site audit, and more, making it a one-stop-shop for all SEO needs.
  • Accurate Data
    Known for providing accurate and updated data which is crucial for making informed SEO decisions.
  • Competitive Analysis
    Offers extensive competitor analysis features, helping businesses understand their competitors' strategies and improve their own.
  • In-depth Reports
    Creates detailed reports that offer valuable insights into performance metrics and areas for improvement.
  • User-friendly Interface
    The platform is designed with a user-friendly interface, making it accessible even for beginners in SEO.

Possible disadvantages of SEMRush

  • Pricing
    SEMRush pricing can be relatively high, especially for small businesses and freelancers.
  • Learning Curve
    Despite being user-friendly, the sheer depth of features can present a steep learning curve for new users.
  • Data Limits
    Certain features and data exports are limited based on the subscription plan, which can be restrictive for high-volume users.
  • Customer Support
    While customer support is generally good, some users have reported slow response times during peak periods.
  • Occasional Inconsistencies
    Some users have reported occasional inconsistencies in search volume and backlink data.

Optimizely videos

+ Add

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

SEMRush videos

+ Add

SEMRush Review 2020 ☑️ Best Keyword Research Tool in 2020? 😱 SEMRush Tutorial

More videos:

  • Tutorial - SEMRush Review 2019 and Full SEMRush Tutorial on How to Use SEMRush
  • Tutorial - SEMRush Review and Tutorial: How Good Is It Really?

Category Popularity

0-100% (relative to Optimizely and SEMRush)

Optimizely

SEMRush

A/B Testing
100 100%
A/B Testing
0% 0
SEO
0 0%
SEO
100% 100
Analytics
100 100%
Analytics
0% 0
SEO Tools
0 0%
SEO Tools
100% 100

User comments

Share your experience with using Optimizely and SEMRush. For example, how are they different and which one is better?
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Reviews

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

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...
Source: www.einsstark.tech
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.
Source: conversionxl.com
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.
Source: blog.testlodge.com
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
Source: www.crazyegg.com

SEMRush Reviews

  1. fraserstewart
    · CCO at Lyfeguard ·
    Fantastic platform but introduce a ‘starter tier’

    Can’t knock the platform - it’s great. I feel like they should have a paid-for offering at a lower price point, however. Strongly recommend!

  2. Mohit Gupta
    · Small Business Owner at SmokeHub ·
    Easy to use with limited trail but prices are high expensive - Semrush

    Semrush is very popular and next level performance tool which varies competitors, analyzes and tracking of any domain website, which provides you full information what's the position of the website, overall traffic, etc. This tool is easy to use with limited trial 7 days, after the trial ends, has limited features work on free plan. There plans are very expensive, not affordable at purchasing price plans.

    In my experience, semrush is very costly and high level of experience.

    🏁 Competitors: Ahrefs, Moz, SE Ranking, Marketing Miner
    👍 Pros:    Real-time analytics|Excellent features|Simple yet powerful and efficient tool
    👎 Cons:    Pricing is too high|Limited features with free plan.
  3. Dorian Leone
    · Webmaster at Competitive Insight ·
    Great keyword tracking platform, shame they removed the display advertising report

    SEMrush provides a great central hub for adding your websites as projects which can be tracked, audited and measured for visibility over time. I've used the platform across many roles and found the only recent drawback was the removal of their display advertising competitor reports.

    🏁 Competitors: Serpstat
The 16 Best Moz Alternatives for Every Budget 
If you run local SEO campaigns, Semrush has a whole set of tools called Semrush Local that are just for that purpose. You can add this tool kit on to a standard Semrush subscription or purchase it separately.
Source: trafficthinktank.com
10 SE Ranking Alternatives in 2025 [Free and Paid]
SEMrush is ideal for users who need a comprehensive suite that goes beyond SEO, including content marketing and PPC management, making it perfect for digital marketers with diverse needs. Its extensive feature set offers a broader range of capabilities compared to SE Ranking.
Source: www.madx.digital
10 Moz Pro Alternatives in 2025 [Free and Paid]
SEMrush is an all-in-one marketing platform that offers a broader range of tools compared to Moz Pro. SEMrush includes features such as keyword research, site audits, and backlink analysis, but it also extends into content marketing, social media management, and PPC.
Source: www.madx.digital
Top 5 SEO Automation Tools for Agencies
By now, you’ve seen how each of these top SEO automation tools can help your agency thrive in 2025. The right choice for you depends on your agency’s focus and challenges. If you need to quickly optimize on-page elements at scale, a tool like ClickRank or Alli AI might be your best bet for automating those tasks. If you’re looking for a complete done-for-you AI assistant,...
Source: www.clickrank.ai
Screaming Frog Alternative
SemRush - SemRush’s technical SEO tools will allow you to crawl your website similar to Screaming Frog. SemRush also provides comprehensive keyword research tools of course, and a powerful toolset for any SEO. Pricing starts at $139.95 per month for one user.
Source: metamonster.ai

Social recommendations and mentions

Based on our record, SEMRush seems to be more popular. It has been mentiond 18 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.

SEMRush mentions (18)

  • SEO 101: A Fun and Easy Guide to Crushing It in Digital Marketing
    Unveiling the Advanced SEO Strategies: 1. Strategic Keyword Domination: Identify high-value, long-tail keywords relevant to your niche. Leverage keyword mapping to align content with specific stages of the customer journey. Tools like Ahrefs and SEMrush offer advanced keyword research capabilities. 2. Content Excellence Beyond Basics: Craft content that not only targets keywords but provides value and... - Source: dev.to / over 1 year ago
  • Research tools for niche/product competition?
    I use SEMRush (semrush.com/) a lot when researching a niche. I would input the URL of a competitor, and then examine "competitors of organic key words" -- to find related websites that compete with the input URL website. I would spent hours and hours in researching and documenting a list of competitors in different niches. Source: almost 2 years ago
  • The blackout isn’t just for subreddits. Users need to participate too.
    Https://www.similarweb.com/ and https://semrush.com they are not 100% accurate but they are a good indicator. Source: almost 2 years ago
  • How is your content production workflow?
    Each day that I write, I create the post directly in Wordpress. I use Surfer for Content optimization and sometimes SEMrush to help with keyword research, but I’m not super strict about following the suggestions. I try to keep it as natural as possible. Source: about 2 years ago
  • Need to up my SEO game.
    If you're looking to up your SEO game, there are several strategies you can try. One approach is to conduct thorough keyword research to identify the phrases and terms your target audience is using to search for businesses like yours. Tools like SEMrush and SurferSEO can be helpful. From there, you can optimize your website content, including titles, meta descriptions, and body copy, to incorporate these keywords... Source: about 2 years ago
View more

What are some alternatives?

When comparing Optimizely and SEMRush, you can also consider the following products

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

Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!

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

Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.

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.

SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters

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