Comparison · A/B testing
Optimizely vs AB Tasty: which do popular websites use?
As of 2026-10-02, Optimizely is detected on 91 of 7,859 popular websites (1.2%) and AB Tasty on 30 (0.4%): Optimizely is 3.0x as common. 0 sites use both.
Adoption at a glance
| Optimizely | AB Tasty | |
|---|---|---|
| Sites using it | 91 | 30 |
| Share of 7,859 sites | 1.2% | 0.4% |
| Share of the top 1,000 sites (710 readable) | 1.4% | 0.3% |
| Only this one of the two | 91 | 30 |
Both: 0 sites. Detected on 2026-10-02 from the home page; a technology that leaves no trace there is not counted.
By site sector
| Sector | Sites | Optimizely | AB Tasty |
|---|---|---|---|
| Other | 6,305 | 1.2% | 0.3% |
| News | 347 | 1.2% | 1.4% |
| Entertainment | 314 | <0.1% | 0.3% |
| Education | 246 | 0.8% | <0.1% |
| Government | 241 | <0.1% | <0.1% |
| Technology | 133 | 3.8% | <0.1% |
| Finance | 97 | 2.1% | 1.0% |
| E-commerce | 93 | <0.1% | 2.2% |
Share of the sector's sites using each technology; sectors with at least 50 sites.
By top-level domain
| TLD | Sites | Optimizely | AB Tasty |
|---|---|---|---|
| .com | 4,138 | 1.8% | 0.4% |
| .org | 437 | 1.6% | 0.5% |
| .net | 333 | 0.3% | <0.1% |
| .ru | 258 | <0.1% | <0.1% |
| .jp | 189 | <0.1% | 0.5% |
| .io | 185 | <0.1% | <0.1% |
| .de | 180 | <0.1% | <0.1% |
| .edu | 159 | 0.6% | <0.1% |
| .gov | 110 | <0.1% | <0.1% |
Top-level domains with at least 100 sites.
Most popular sites using only Optimizely
- zoom.us #32
- bbc.com #95
- gitlab.com #161
- klaviyo.com #266
- mailchimp.com #333
- typeform.com #473
- eepurl.com #787
- sky.com #905
- clevelandclinic.org #915
- ninjarmm.com #969
- asu.edu #1,081
- asana.com #1,120
- elastic.co #1,139
- inmotionhosting.com #1,161
- screenconnect.com #1,173
- evergage.com #1,288
- zend.com #1,322
- parallels.com #1,363
- starbucks.com #1,367
- webrootcloudav.com #1,370
Most popular sites using only AB Tasty
- lefigaro.fr #369
- ubi.com #443
- fullstory.com #1,180
- nielsen.com #1,212
- ubisoft.com #1,519
- nzherald.co.nz #1,754
- smugmug.com #1,909
- prestashop.com #2,154
- nanit.com #2,366
- alamy.com #2,703
- service-public.fr #2,735
- laposte.fr #2,869
- tate.org.uk #3,768
- athome.co.jp #4,224
- marketscreener.com #4,393
- but.fr #4,596
- labanquepostale.fr #4,677
- chronopost.fr #4,711
- tezenis.com #4,949
- nrdc.org #5,434
Each technology
FAQ
- Which is more popular, Optimizely or AB Tasty?
- As of 2026-10-02, Optimizely is detected on 91 of 7,859 popular websites (1.2%) and AB Tasty on 30 (0.4%): Optimizely is 3.0x as common. 0 sites use both.
- Which do the most popular websites prefer?
- Among the 710 sites of the top 1,000 that we could read, 10 (1.4%) use Optimizely and 2 (0.3%) use AB Tasty.
- Can a website use both Optimizely and AB Tasty?
- Yes: 0 of the 7,859 sites show both (<0.1%); 91 show only Optimizely and 30 only AB Tasty.