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Technology · Analytics

Optimizely

optimizely.com
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A comprehensive experimentation platform designed for developers and marketers. Optimizely offers robust A/B testing, multivariate testing, and personalization capabilities, allowing teams to make data-driven decisions, improve user experiences, and boost conversion rates across web, mobile, and full-stack applications.

Optimizely belongs toA/B TestingPersonalisationcategories.

70websites

use it — 2.7% of the 2,555 websites we scanned in the last 12 months

#1of 40

tools in its category seen in our scans (we recognize 229)

27public pages

on UptimeCard — open any of them to see how that site is doing

1.91% of all websites we track run Optimizely▲ 0.01 points since 20 Sep

At a glance

UptimeCard's own scans and tests of 2,555 websites · refreshed weekly

How Optimizely sites scoreout of 100 · hover or tap a score for details

34PerformancePooraverage site: 5091AccessibilityGoodaverage site: 8976Best practicesFairaverage site: 9392SEOGoodaverage site: 92

Page load time

Loads about 38% slower than the average site

Optimizely sites
5.9 s
All sites
4.3 s

Most Optimizely sites load in 4.9–7.9 s. Home page weight: 3.8 MB vs 3.3 MB for all sites. 24 public sites measured.

Where are they hosted?

Mostly Amazon Web Services and Cloudflare

  • Amazon Web Services37%
  • Cloudflare26%
  • EPiServer AB7%
  • Fastly7%
  • Other22%
United States 44%Canada 33%SE 7%

Who uses it?

Business Services sites use Optimizely 2.2× more than average

Technology and Software33%
Business Services2.2× avg26%
Software as a Service (SaaS)15%
Cybersecurity7%

Share of 27 classified public sites. “× average” compares with all 961 public sites.

How Optimizely sites are built

Closest partners. The number says how many times more often the tool runs on Optimizely sites than on an average website. Hover a partner for its share of sites.

Qualified6×Contentful4×styled-components4×Emotion4×Marko4×OneTrust3×Akamai Bot Manager3×Java2×Amazon S32×

Stacks we see most. Tools that tend to run together with Optimizely on the same websites. The percentage is the share of all 70 Optimizely sites that run the whole stack.

13 stacks · swipe, drag or use the arrows
#1

Optimizely + OneTrust + React + Next.js + Contentful

8.6%6 of 70 sites
#2

Optimizely + Linkedin Insight Tag + Marko + Qualified + DoubleClick Floodlight

8.6%6 of 70 sites
#3

Optimizely + OneTrust + React + Marko + Qualified

7.1%5 of 70 sites
#4

Optimizely + OneTrust + React + DigiCert + Akamai

7.1%5 of 70 sites
#5

Optimizely + OneTrust + Linkedin Insight Tag + Linkedin Ads

7.1%5 of 70 sites
#6

Optimizely + React + Bootstrap + Emotion

5.7%4 of 70 sites
#7

Optimizely + Linkedin Insight Tag + Amazon CloudFront

7.1%5 of 70 sites
#8

Optimizely + Bootstrap + Amazon CloudFront

7.1%5 of 70 sites
#9

Optimizely + Linkedin Insight Tag + Amazon S3

7.1%5 of 70 sites
#10

Optimizely + DigiCert + Amazon S3

5.7%4 of 70 sites
#11

Optimizely + Amazon CloudFront + Contentful

5.7%4 of 70 sites
#12

Optimizely + DigiCert + Tealium

5.7%4 of 70 sites
#13

Optimizely + Marko + Piwik PRO Core

5.7%4 of 70 sites

Usually installed alongside

The bigger the bubble, the more of the 70 Optimizely sites also run the tool. Colour shows what the tool does. Hover or tap a bubble for details.

Google Tag Manager63%OneTrust51%Google Analytics50%Linkedin Insight Tag27%Facebook Pixel21%Qualified19%Microsoft Advertising16%DoubleClick Floodlight13%Linkedin Ads11%
Tag managerCookie consentAnalyticsMarketingAdvertising

Similar tools in its category

A/B Testing: 229 tools known, 40 seen in our scans

VWO64 sitesAlternative6sense50 sitesAlternativeAdobe Target31 sitesAlternativeContentsquare26 sitesAlternativeIntellimize21 sitesAlternativeDemandbase18 sitesAlternativeSalesforce Interaction Studio18 sitesAlternativeOneSignal14 sitesAlternative

How websites combine Optimizely with other tools

Relationships found on the websites that use it, from the same map status pages show.

Integrates with another 24Complements another tool 20Overlaps with another 2

Websites using Optimizely

70 websites use Optimizely: 2.7% of the 2,555 websites we scanned in the last 12 months. A selection is shown below.

Scores are out of 100: P Performance · A Accessibility · B Best practices · S SEO. Green 80+, yellow 65–79, orange 50–64, red below 50. The dot shows whether our last scan found the site failing (red) or not (green); Red, amber or blue: an active incident on the site's status page (outage, degraded, maintenance) or a failing scan; amber also means a certificate ending within 30 days. Hover the dot for details.

Questions about Optimizely

How many websites use Optimizely?
We found Optimizely on 70 of the 2,555 websites we scanned in the last 12 months (2.7%). 27 of them have a public status page.
What is Optimizely often used with?
Among the websites we scan, Optimizely is often found alongside OneTrust (51.4% of its sites), React (44.3% of its sites), reCAPTCHA (38.6% of its sites).
What are the alternatives to Optimizely?
Other a/b testing tools we recognize include VWO, 6sense, Adobe Target, Contentsquare.

Is your website built with Optimizely?

UptimeCard checks it around the clock, tells you the minute it stops answering, and gives your visitors a status page.

Monitor my site freeCreate a status page