Cases · Archive · Healthcare · 2025

Growth Hacking Testing Principle

Agency-era case study (2025).

This case was first published on the old humanswith.ai WordPress site between 2019 and 2024 — before the 2025 platform pivot. Performance, SEO, CRM, content, or growth work from that era. Modern AI-search cases (with per-engine Hermes data) live at /cases. Preserved here as written at the time.


Impact of the Video Widget on User Behaviour

Improvement in key metrics when comparing two periods: before and after the widget launch

Website:

https://hfe-hfe.ru

Theme:

Growth Hacking

Location:

Moscow

Region:

Russia

Budget:

Free (first 14 days of tool usage)

Project Start:

February 2022

Result:

5% increase in overall lead conversion rate

Result:

3% increase in direct conversions (from the widget)

Result:

Improved lead quality

est the GetReview Video Widget for Conversion Rate Growth Using a Growth Hacking Approach

1

Test the video widget’s impact on conversion rates

2

Ensure accurate tracking of key metrics

3

Optimise the widget for both desktop and mobile devices

4

Implement the entire hypothesis within 6 hours without requiring additional resources

Problems and Solutions During the Testing Phase

No ready-made video content available

Needed to create video from existing materials within short timeframe.

Strict time limitation constraints

Only 6 hours for hypothesis testing without team involvement.

Different UX across devices

Video subtitles reduced desktop CTR, requiring adaptations.

Complex indirect impact assessment

Need to measure overall conversion impact, not just direct leads.

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Stages of Testing the Video Widget: From Idea to Result

- Stage 1. Preparation

Analysing the capabilities of the GetReview video widget

  • Formulating the hypothesis: «Launching the widget → +5% conversion rate on desktop»

  • Defining metrics for evaluation

Stage 2. Content Preparation

Selecting a video featuring the clinic’s chief physician

  • Editing the video from existing materials

  • Defining the CTA («Take the test») and the landing page

Stage 3. Technical Implementation

Setting up UTM tags for tracking

  • Integrating the widget into the desktop version of the website

  • Decision-making on connecting the mobile version

Stage 4. Testing and Analysis

Monitoring behavioural metrics

  • Comparing performance before and after launch

  • Additional test with subtitles in the video

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Results of the 14-Day Experiment

Testing the video widget showed an increase in conversion rates and improved behavioural metrics. Results are confirmed by Yandex.Metrica data over the 14-day period.

Key Results

+5% overall conversion

Increase in overall lead conversion rate through video widget

+3% direct conversion

Direct conversion rate from video widget to leads

Higher lead quality

Improved lead quality and client consultation readiness

6-hour implementation

Rapid Growth Hacking hypothesis execution without additional resources


End of archived case

Want a modern case? Hermes data, not Google Analytics.

The seven modern cases at /cases use a different proof model: per-engine AI mention rate, citation tracking across nine engines, and weekly delta reports. Different category, different proof, different era.