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Does X work? Tactic-level experiment evidence pages

17 data-backed questions on Does X work? Tactic-level experiment evidence pages, from Lazyweb Research — each answer cites proprietary analysis of real, in-market app screens.

Questions
17
With charts
14
With real screens
17
  • By Ali Abouelatta
  • Data as of July 2026
Read as Markdown
All research categories35

17 questions

Every question in this category

  1. Q 01

    Do Apps That Add Social Proof to Their Screens Keep It?

    Across 29 tracked screens where Lazyweb Research detected social proof being added, 29 of 29 (100%) still had it in later captures, with zero detected removals. Social proof is the stickiest of the f…    Iam Checkout upsell screen — real in-market example tracked by Lazyweb Research
  2. Q 02

    How Many Detected Experiments Touch Social Proof, and What Changed?

    Lazyweb Research detected 120 before/after experiments across 62 companies whose diff mentions social proof — about 2.5% of the 4,814-experiment corpus. Separately, 48 experiments are annotated direc…    Chaton Account Setup screen — real in-market example tracked by Lazyweb Research
  3. Q 03

    Does Adding Social Proof to the Hero Actually Get Tested?

    Yes, but it's comparatively rare: of 405 hero-area experiments Lazyweb Research detected, 18 also touch social proof. The hero is the single most-tested page area (405 experiments), yet social proof…    Paypal Account Setup screen — real in-market example tracked by Lazyweb Research
  4. Q 04

    Do 'Limited Time Offer' Countdown Timers Get Rolled Back?

    Rarely: of 58 tracked screens where an urgency element was added, 56 (97%) still had it in later captures and only 2 removed it. Across 317 experiments that mention urgency or countdowns, additions o…    Zoom Paywall (Home modal) screen — real in-market example tracked by Lazyweb Research
  5. Q 05

    How Many Detected Experiments Touch Urgency or Countdown Timers?

    Lazyweb Research detected 317 before/after experiments across 97 companies that mention urgency or countdowns — about 6.6% of the 4,814-experiment corpus. Within that, 38 experiments mention a countd…    Frontier Splash Screen screen — real in-market example tracked by Lazyweb Research
  6. Q 06

    Does Price Anchoring Get Reversed Once Companies Test It?

    Almost never: of 43 tracked screens where an anchoring element was added, 42 (98%) still had it in later captures, with just 1 detected removal. Across 279 experiments that mention anchoring, additio…    Fotmob Onboarding screen — real in-market example tracked by Lazyweb Research
  7. Q 07

    How Many Detected Experiments Touch Price Anchoring, and What Changed?

    Lazyweb Research detected 279 before/after experiments across 136 companies that mention price anchoring — about 5.8% of the 4,814-experiment corpus. It's practiced by more distinct companies (136) t…    Bbc Onboarding screen — real in-market example tracked by Lazyweb Research
  8. Q 08

    Do Companies That Change Their Free Trial Keep the Change?

    Trial changes are the most reversed of the tactics we track: of 81 screens where a trial-related element was added, 69 (85%) kept it and 12 later removed it. Across 517 experiments that mention trial…    Halide paywall-main screen — real in-market example tracked by Lazyweb Research
  9. Q 09

    How Many Detected Experiments Touch Free Trials, and What Changed?

    Lazyweb Research detected 517 before/after experiments across 140 companies that mention trials — about 10.7% of the 4,814-experiment corpus and the third-most-touched tactic. Additions lead removals…    Shein Checkout upsell screen — real in-market example tracked by Lazyweb Research
  10. Q 10

    How Many Detected Experiments Change CTA Copy, and What Do Apps Rewrite It To?

    Lazyweb Research detected 561 before/after experiments across 201 companies that change CTA copy — about 11.7% of the 4,814-experiment corpus, and the widest company reach of any button-level tactic.…    Waze Account Setup screen — real in-market example tracked by Lazyweb Research
  11. Q 11

    Which Growth Tactics Do Companies Actually A/B Test the Most?

    Across 4,814 before/after UI experiments Lazyweb Research detected (362 companies, 1,358 canonical screens), discount badges lead at 1,133 mentions, followed by CTA copy (561), trials (517), and urge…    Taco Bell Account Setup screen — real in-market example tracked by Lazyweb Research
  12. Q 12

    Do Companies That Add Discount Badges to Their Paywall Keep Them?

    Across 162 tracked app screens where Lazyweb Research detected a discount element being added, 147 (91%) still had it in later captures and only 15 showed a later detected removal. Discounts are also…    Zoom Paywall (Home modal) screen — real in-market example tracked by Lazyweb Research
  13. Q 13

    Should You Add or Remove a Discount Badge? What Companies Actually Do When They Iterate?

    Among the discount-touching experiments Lazyweb Research could classify by direction, 238 added a discount versus 68 that removed one — roughly 3.5 additions per removal. Discounts are the most-touch…    Pinterest Onboarding screen — real in-market example tracked by Lazyweb Research
  14. Q 14

    Do Companies Keep Hero Image and Video Swaps After Testing Them?

    Across Lazyweb's 4,814-experiment corpus, 307 detected experiments (6%) swapped hero media — an image, video, illustration, or animation — spanning 122 companies. Among classifiable changes, addition…    Apple Fitness Paywall / Subscription screen — real in-market example tracked by Lazyweb Research
  15. Q 15

    Which Page Areas Get Tested Most — And Where Does the Hero Rank?

    Across the 4,814 detected experiments Lazyweb Research tracks, the hero is the most-annotated change area at 405 experiments, ahead of offer (281), pricing (229), CTA (225), and value props (178). Me…    Credit Karma Account Setup screen — real in-market example tracked by Lazyweb Research
  16. Q 16

    Do Companies Remove Pricing Tiers — and How Often Is It Tested?

    Across Lazyweb's 4,814-experiment corpus, 117 detected experiments (2%) involve removing or dropping a pricing tier or plan, spanning 83 companies. Real examples collapse a multi-tier menu into a sin…    Chaton Account Setup screen — real in-market example tracked by Lazyweb Research
  17. Q 17

    Do Companies Remove Their Free Plan? What the Detected Experiments Show?

    Only 10 detected experiments across 8 companies in Lazyweb's 4,814-experiment corpus touch a 'free plan' or 'free tier' — and roughly half are strengthening the free plan, not removing it. With a sam…    Airfun Paywall / Subscription screen — real in-market example tracked by Lazyweb Research