Social proof

사회적 증거

Real choices and reviews from similar people help resolve uncertainty.

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html
<div class="reviews"><div class="title">FIELD NOTES <b id="count">01</b></div><div class="cards"><div class="card"><strong>01 / SETUP</strong><span>"Clear steps."</span></div><div class="card"><strong>02 / DELIVERY</strong><span>"Arrived on time."</span></div><div class="card"><strong>03 / SUPPORT</strong><span>"Answer in a day."</span></div></div><div class="caption">SPECIFIC EXPERIENCE BUILDS EVIDENCE</div></div>
css
@media(min-width:700px){body>div{transform:scale(1.45)}}.reviews{width:min(92%,590px);font:800 clamp(10px,max(1.7vmin,1vw),13px)/1.2 sans-serif}.title{display:flex;justify-content:space-between;border-bottom:2px solid var(--fg);padding-bottom:6px;letter-spacing:.12em}.title b{color:var(--accent)}.cards{display:flex;gap:clamp(4px,1vmin,12px);margin:clamp(8px,3vmin,22px) 0}.card{flex:1;min-width:0;padding:clamp(7px,2vmin,18px);background:var(--surface);border:1px solid var(--line);box-shadow:3px 3px 0 var(--accent);opacity:.42;transition:opacity .4s,transform .4s;transform:translateY(9px)}.card.on{opacity:1;transform:none}.card strong{display:block;color:var(--accent);font-size:clamp(10px,max(1.4vmin,1vw),12px)}.card span{display:block;margin-top:clamp(7px,2vmin,18px);font-size:clamp(10px,max(2vmin,1vw),17px)}.caption{color:var(--muted);font-size:clamp(10px,max(1.5vmin,1vw),12px);letter-spacing:.08em}
js
const cards=[...document.querySelectorAll('.card')];const count=document.querySelector('#count');let n=0;function show(){n=n%3+1;cards.forEach((card,i)=>card.classList.toggle('on',i<n));count.textContent=String(n).padStart(2,'0')}show();setInterval(show,1200);

Social proof is the use of other people's behavior as a cue for a decision. Specific accounts from comparable users can be more useful than vague praise when the product is hard to try first.

The demo adds review cards one by one to show how inspectable evidence accumulates. The count is illustrative. A real product should reveal review volume, dates, context, and critical feedback.

Fabricated reviews and unverifiable popularity claims erode trust. Use relevant customer stories without overstating their representativeness.

When to use

Use authentic reviews or cases where buyers cannot easily verify the offer beforehand.

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