October 2026 - Free and No-Code A/B Testing

A multi-tiered, beige circular podium in front of a white arch, representing the levels of a price grid tested in A/B testing.

Tom BlastOptimize
October 30, 2026

A/B testing of pricing pages: method, calculations and pitfalls to avoid

Updated October 30, 2026. In September 2000, Amazon refunded 6,896 customers, an average of $3.10 each. Their offense? Purchasing a DVD during a five-day random price test, where discounts varied from 20% to 40% depending on the visitor. [Further details omitted]

White arrow painted on a red wall, symbolizing a call to action that guides the visitor

Tom BlastOptimize
October 28, 2026

Call to action that converts: how to write it and prove it with A/B testing

Updated October 28, 2026. A red "Get Started" button that receives 9.8% of clicks, and a "Contact Us" button that only receives 2.7%. On paper, the first one wins hands down. Except that the second one generated three times…

A pink sphere placed in the corner of blue geometric walls, illustrating web personalization and A/B testing.

Tom BlastOptimize
October 27, 2026

Web personalization and A/B testing: how to combine them to boost your conversions

Mis à jour le 27 octobre 2026 Votre dernier A/B test a déclaré la variante B perdante : −2 % de conversions sur l'ensemble du trafic. Pourtant, en filtrant les résultats, vous voyez que les visiteurs mobiles venus de LinkedIn ont converti 18 % de plus avec cette même variante.…

Geometric circles and squares of varying sizes on a light background, illustrating the choice of a CRO tool suited to the size of the company.

Tom BlastOptimize
October 23, 2026

Kameleoon vs no-code solutions: is CRO reserved for large accounts?

Mis à jour le 23 octobre 2026 495 dollars par mois. C'est le prix d'entrée de Kameleoon affiché sur sa propre page d'offres, pour 10 expériences et 50 000 visiteurs testés par mois. Au-delà, plus aucun chiffre : l'offre Enterprise se négocie avec un commercial, et les estimations qui circulent…

A square and a rectangle superimposed in black and white, evoking a pop-up placed on a page tested in A/B testing

Tom BlastOptimize
October 22, 2026

Pop-ups and A/B testing: how to optimize your conversions without harming SEO

Updated October 22, 2026. An email capture pop-up converts a median of 0.83% of impressions. In other words, out of 1,000 visitors who see it, 992 close it, ignore it, or leave the page. Try a more aggressive version to gain a few tenths of a point and expose yourself…

Abstract geometric steel curves evoking the data flows of a server-side A/B test

Tom BlastOptimize
October 20, 2026

Server-side testing: client, server, or edge testing for your flicker-free A/B tests

Updated October 20, 2026 Contents Server-side testing: the short answer Client, server, edge: where the decision is made What milliseconds cost Feature flags: the engine of server-side testing Edge testing: the compromise that is gaining ground The pitfalls specific to server-side…

Geometric bars and their shadows on a white background, illustrating the flicker effect in A/B testing

Tom BlastOptimize
October 19, 2026

The flicker effect in A/B testing: why it skews your results (and how to avoid it)

Updated October 19, 2026 Contents What is the flicker effect in A/B testing? Why flicker skews your results The 5 technical causes of flicker Synchronous or asynchronous snippet: the real trade-off Anti-flicker snippet: useful, but it comes at a price Measuring flicker…

Geometric shapes in balance on a gray background, an image of the trade-off between exploration and exploitation in A/B testing

Tom BlastOptimize
October 15, 2026

Bandit algorithms vs. classic A/B testing: when to use which?

Updated October 15, 2026. 12.75%. This is the false winner rate we obtained by applying a classic statistical test at the end of tests driven by a bandit algorithm, on 2,000 simulations where the two versions were strictly identical. With a fixed distribution…

An abstract wire polyhedron connected by metallic spheres, a symbol of AI applied to A/B testing.

Tom BlastOptimize
October 14, 2026

AI and CRO in 2026: How far can we automate our A/B tests?

Updated October 14, 2026. 39%. That's the proportion of the real effect that a language model recovered when Spotify researchers asked it to "play" the users of thousands of song tests already conducted on real visitors. In other words, the AI…

Clean, white and blue geometric shapes illustrating A/B testing automation

Tom BlastOptimize
October 13, 2026

Automating your A/B testing: a guide for the CRO autopilot

Updated October 13, 2026. At Booking.com, approximately 25,000 tests are launched each year, and only 10% produce a positive result. At Microsoft Bing, the proportion fluctuates between 10 and 20%, according to feedback compiled by PostHog. In other words: even the teams...

Monthly Archives: October 2026

A/B testing of pricing pages: method, calculations and pitfalls to avoid

Call to action that converts: how to write it and prove it with A/B testing

Web personalization and A/B testing: how to combine them to boost your conversions

Kameleoon vs no-code solutions: is CRO reserved for large accounts?

Pop-ups and A/B testing: how to optimize your conversions without harming SEO

Server-side testing: client, server, or edge testing for your flicker-free A/B tests

The flicker effect in A/B testing: why it skews your results (and how to avoid it)

Bandit algorithms vs. classic A/B testing: when to use which?

AI and CRO in 2026: How far can we automate our A/B tests?

Automating your A/B testing: a guide for the CRO autopilot

Test multivarié : définition, exemples et quand l’utiliser (plutôt qu’un A/B)

A/B testing of pricing pages: method, calculations and pitfalls to avoid

Call to action that converts: how to write it and prove it with A/B testing

Search

BlastOptimize

Links

Help