Original Research & Experiments

The RDMI Experiment Lab

Real experiments. Real data. No opinions. We test SEO, PPC, and conversion hypotheses so you don't have to.

SEO2026-02-15

Does Title Tag Length Affect CTR?

Shorter title tags (under 50 chars) get higher CTR in Google search results than longer ones.

3.2% → 3.2%
CONTENT2026-02-28

AI-Written Content vs Human: Which Ranks Better?

AI-generated content with human editing ranks as well as fully human-written content.

68 days → 62 days
SEO2026-01-20

Adding 5 Internal Links: How Much Does It Move Rankings?

Adding 5 contextual internal links to an existing page will improve its ranking within 30 days.

Position 14.1 → Position 9.9
CONVERSION2026-03-01

Page Speed vs Conversion Rate: The Real Numbers

Every 1-second improvement in page load time increases conversion rate by at least 5%.

4.8s → 2.5s
PPC2026-01-10

RSA vs ETA: Which Google Ad Format Converts Better?

Responsive Search Ads (RSA) with 15 headlines perform better than RSAs with only 5-8 headlines.

4.2% → 4.7%
TECHNICAL2026-02-05

Does FAQ Schema Actually Increase CTR?

Adding FAQ schema markup to service pages increases organic CTR by generating rich snippets.

4.1% → 5.5%
SEO2026-03-10

Do Emojis in Meta Descriptions Improve CTR?

Adding relevant emojis to meta descriptions increases organic CTR.

3.5% → 3.7%
CONTENT2026-01-25

How Fast Does Refreshing Old Content Recover Lost Traffic?

Updating old blog posts with fresh data and expanded content recovers 80%+ of lost traffic within 30 days.

48% → 110%

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