The 302.sh blog

Notes on links, redirects and the web underneath them.

Practical guides to redirects, URL shorteners, link analytics and SEO — from the team building 302.sh.

Practical guides7 min read

Should You Shorten an Affiliate Link? Check the Shopping Path First

Choose between native shopping tags, affiliate URLs and short links. Check program rules, preserve the tracking path and verify what each report can tell you.

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Practical guides7 min read

Should You Put a QR Code in Your Ad? A Placement Checklist

Decide when a QR code belongs in an ad. Check placement, offer and destination, then measure completed actions without mistaking scan counts for campaign success.

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Practical guides8 min read

Why Your YouTube Link Is Not Clickable

Check where YouTube allows clickable links, compare Shorts with long-form videos, and troubleshoot feature access before changing your URL or shortener.

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Practical guides8 min read

What Instagram Bio Link Clicks Can Tell You

Separate Instagram insights, bio-page views, outbound clicks and completed actions. Learn what each report can establish before inferring who clicked.

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Practical guides9 min read

QR Code Visits vs GA4 Sessions: Why the Numbers Differ

Investigate mismatched QR link visits and GA4 sessions. Check redirects, tags, consent, filters and reporting windows before treating a gap as lost traffic.

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Practical guides9 min read

Why Email Links Get Clicks Before Anyone Reads the Message

Investigate email link clicks from security scanners, previews and repeat visits. Compare reports and test safely before treating a click as a person's action.

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Practical guides9 min read

Event Registration QR Codes: Keep Signs Useful When Plans Change

Create an event registration QR code, test form access and confirmation, and maintain printed signs. Keep link visits, completed registrations and check-in separate.

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Practical guides9 min read

How to Share a PDF With a QR Code—and Replace the PDF Later

Share a PDF through a QR code, check access without the owner's login, and choose a stable file address or an editable short link for later updates.

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Practical guides9 min read

Can You Change URL Shorteners and Keep Your Printed Links?

Find out when printed short links can survive a provider change. Check domain ownership, exact path mappings, import limits, HTTPS and rollback before migrating.

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