Press Logo Bar Test: A$9K/Month Desktop Win (Mobile Loss) Case Study

The same test can win on desktop and lose on mobile. That's why you segment.

We tested the press logo bar on the homepage of an 8-figure gin subscription brand. The control had an "AS SEEN IN" section with media logos. The variation added a rotating press quote above an expanded logo bar.

On desktop: big win. On mobile: a loss.

Results (desktop only): +A$9,392/mo revenue.

We deployed the winner on desktop, kept the control on mobile. Personalization in action.

The Problem With One-Size-Fits-All Testing

Most A/B tests report blended results. "Variation wins by 5%." Ship it everywhere.

But desktop and mobile are different experiences. Different screen sizes. Different attention patterns. Different intent levels.

A test that wins blended might be losing on one device and winning big on another. If you don't segment, you're either leaving money on the table or actively hurting one audience.

The Hypothesis

Without press validation or editorial storytelling, first-time shoppers lose quick trust anchors and social proof during the scroll from hero to offer.

If we extend the press logo bar and enrich it with rotating press-style quotes, visitors will perceive the brand as more established and trustworthy, reducing bounce and lifting first-time conversion rate by increasing perceived legitimacy and desirability.

The bet: editorial validation would build trust faster than logos alone.

Test Setup

Page: Homepage
Location: Above the fold / Press section
Platform: Intelligems
Test Type: A/B test

Control

Homepage with:

• Hero image
• Trust bar below nav: FREE SHIPPING, NO CONTRACTS, 100% SATISFACTION, 4.9 from 6,000+ reviews
• "AS SEEN IN" section with press logos: 3AW693, Better Homes, Herald Sun, Today, Who, The AGE, URBAN LIST, Sydney Morning Herald
• "WELCOME TO GARDEN STREET GIN CLUB" brand intro section below

Standard press logo bar. Logos only, no editorial content.

Variation

Enhanced press section:

• Added rotating press quote above logos: "The team seeks out the finest gins from around the country, including award-winners and limited editions. Members enjoy a distillery-like experience from the comfort of their homes."
• Expanded logo bar with more publications: Herald Sun, 3AW, news, delicious, The Gin Play, Decanter, TOP, KILLJOY, and others

Editorial storytelling plus broader social proof.

Results

Winner: Variation (on Desktop only)

Device	Result
Desktop	+A$9,392/mo
Mobile	Loss (not deployed)

The test was personalized by device. Desktop users see the enhanced press section. Mobile users see the original.

Why It Worked on Desktop

1. Desktop users read more

Desktop visitors have larger screens and often more time. They're more likely to read a press quote than mobile users who are scrolling quickly.

The rotating quote added value for desktop users who actually engaged with it. Mobile users may have seen it as clutter.

2. Editorial quotes add credibility beyond logos

Logos say "we were mentioned somewhere." Quotes say "here's what they said about us."

"The team seeks out the finest gins from around the country, including award-winners and limited editions" is specific. It describes what makes the brand special. That's more persuasive than a row of logos.

3. More logos expanded social proof

The variation added more publications to the logo bar. More logos = more "we're legit" signals.

For a subscription brand asking customers to commit to recurring payments, legitimacy signals matter. Every additional publication logo is another reason to trust.

4. First-time visitors need more convincing

Desktop often skews toward research-oriented visitors. They're comparing options, reading about the brand, deciding whether to subscribe.

Enhanced press validation helps convert these researchers. Mobile visitors might be returning customers or impulse browsers with different needs.

Why It Lost on Mobile

1. Screen real estate is precious

The press quote takes up vertical space. On mobile, that pushes key content further down. Every extra scroll is a chance to lose attention.

2. Mobile users scroll past blocks of text

A rotating quote is easy to read on desktop. On mobile, it's another block of text in a feed of content. Mobile users pattern-match for what they're looking for and skip the rest.

3. The control was already effective for mobile

The original "AS SEEN IN" logo bar worked fine on mobile. Compact, visual, quickly scannable. The enhancement didn't add value; it added friction.

What This Means for Device-Specific Testing

Always segment your test results by device. What wins on desktop might lose on mobile and vice versa.

Principles to apply:

• Check device-level results: Don't just look at blended numbers
• Deploy winners by device: Personalize the experience based on what works
• Respect mobile constraints: Screen space, attention span, scroll behavior
• Desktop can handle more: More text, more detail, more content
• Mobile favors visual: Icons, logos, images over text blocks

FAQ

Should every test be segmented by device?

At minimum, look at device-level results. If performance differs significantly, deploy different experiences.

Some tests win on both devices. Some win on one. You won't know until you check.

What if the test loses on mobile but wins big on desktop?

Deploy on desktop only. That's exactly what we did here.

Personalization tools like Intelligems make this easy. You can serve different experiences to different audiences based on device, location, traffic source, etc.

How do you decide whether to add press quotes vs. just logos?

If you have compelling quotes that describe your value prop, test adding them on desktop. If your quotes are generic ("Great product!"), logos alone might be better.

The quote in this test was specific and editorial. It told a story about the brand. Generic praise might not have the same effect.

How many press logos is too many?

Depends on recognition. Well-known publications add credibility. Unknown logos can look like padding.

Mix recognizable outlets (Herald Sun, Sydney Morning Herald) with niche publications relevant to your category (Decanter, The Gin Play). Breadth plus relevance.

What's a "rotating" press quote?

A quote that cycles through different press excerpts, usually on a timer or with carousel controls. It lets you show multiple endorsements in the same space.

On desktop where users linger, rotation adds variety. On mobile where users scroll quickly, they might not see the rotation at all.

This test was run using Intelligems as part of a CONVERTIBLES personalization program. Want to see what device-specific optimization could do for your store? Book a call to get 3 personalized recommendations for your store.