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Profile Data

Links in Bio

Discovering a creator's external presence by finding and normalizing every URL in their bio.

Instagram · YouTube · TikTok Validation ↓
bio text Travel ✈️ HTTP://Bit.ly/abc · linktr.ee/nikola
↓
https://bit.ly/abc https://linktr.ee/nikola Linktree detected

Every URL in a creator's bio is recorded and normalized into a consistent format, with link-in-bio services flagged (Linktree, Beacons, etc.). Only links seen within the last 12 months are kept, anything older is dropped. This tells you where a creator is active outside the platform right now, not where they used to be.

1

Coverage

Share of profiles where we found at least one link in the bio.

Coverage by Platform

Instagram ~72% profiles with at least one link
YouTube ~68% channels with at least one link
TikTok ~65% creators with at least one link
2

How Detection Works

Four stages take raw bio text to a clean, deduplicated list of links with link-in-bio classification.

Detection Pipeline

Scan bio for URLs

Pattern matching finds every URL-like string in the bio text, including partial URLs without a protocol.

Clean and normalize

Strip zero-width characters, trailing punctuation, and artifacts. Lowercase domains, convert mobile URLs, unify to HTTPS.

HTTP://Bit.ly/abc → https://bit.ly/abc
Merge and deduplicate

Combine URLs found in bio text with any links the platform itself provides (e.g. the website field). Remove duplicates.

Check for link-in-bio services

Match each normalized URL against a list of known link-in-bio domains. Flag the profile if any match is found.

3

Link-in-Bio Services

Each link is checked against a maintained list of known link-in-bio services. We review which services creators are using every month, so new platforms get added as they gain traction.

Detected Services

Linktree Beacons Lnk.Bio Campsite Stan Store Koji Taplink Milkshake Shorby Later (Linkin.bio) Snipfeed Hoo.be + more added monthly
What it means

Creators who use a link-in-bio service typically manage multiple destinations: a shop, a booking page, other social profiles, or content hubs. This is a strong signal that they are treating their online presence as a coordinated operation rather than a single-platform activity. For brands, this can indicate a creator who is more commercially active and easier to reach through multiple channels.

Links in Bio for Two Illustrative Profiles

NikolaTravelsTravel · 3 platforms
Links Found (3)
  • nikolatravels.com
  • linktr.ee/nikola
  • youtube.com/@nikolatravels

Personal site, link aggregator, and cross-platform link

Result Uses link-in-bio: Yes Linktree
BorisLifeLogLifestyle · 2 platforms
Links Found (1)
  • borislifelog.blog

Only a personal blog, no link aggregator present

Result Uses link-in-bio: No Direct link only
Why this matters

NikolaTravels has three distinct links including a Linktree page, showing an active multi-channel presence. A brand searching for creators with organized link setups would see this profile as commercially ready. BorisLifeLog has a single personal blog link and no link aggregator, suggesting a simpler setup focused on content rather than multi-channel distribution.

4

Validation

Since this is a pattern-based pipeline (not a subjective classification), validation focuses on two things: how completely it finds URLs, and how accurately it normalizes them.

The Two Validation Tracks

URL Detection Completeness
  • At least 2 independent AI sources scan the same bios for URLs
  • Tens of thousands of profiles per validation cycle
  • Outputs are compared to catch missed URLs and false positives
  • Edge cases like URLs with Unicode characters or unusual TLDs are specifically targeted
Normalization Accuracy
  • At least 1,000 records reviewed per subset
  • Subsets defined across platform, link type, URL format, and domain
  • Reviewers verify that normalized URLs resolve correctly and match the original intent
  • Link-in-bio service classification is checked against the actual destination
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