Ref: C16 · Track: Knowledge Base Admin · Time to complete: ~3 min
Why this matters
Zendesk uses two tagging concepts on articles — labels and content tags — and they do different things. Confusing them will lead to broken reports or irrelevant article suggestions. This article separates them.
Labels
Labels are free-text metadata on an article, visible to admins (and optionally to customers as a filter). They're the informal tagging system.
Common uses:
- Internal organisation ("billing", "Q2-review", "legal-approved").
- Search relevance — labels are included in the help center search index.
- Reporting — filter "articles labelled billing" in book view or Explore.
- Scope for verification rules (C08) and bulk actions (C11).
You can apply multiple labels to one article.
Creating / applying
- Open the article.
- In the right sidebar, Labels field.
- Start typing — existing labels autocomplete, or type a new one and press enter.
- Save.
No separate "create a label" step — labels come into existence when you apply them.
Content tags
Content tags are a newer, more structured concept. They're a controlled vocabulary defined by admins in advance. Think of them as allowed categories for content-based features:
- AI/Answer Bot training: content tags can be used to scope which articles the bot draws from per intent.
- Generative answers & search: tagged articles can be matched more precisely to question intent.
- Content quality reporting: more consistent than labels because values are controlled.
You can't just type a new content tag from an article — they're created in admin first, then applied.
Creating a content tag
In Guide admin → Content tags: 1. Click Add content tag. 2. Name and describe it. 3. Save.
Applying a content tag to an article
- Open the article.
- In the right sidebar, Content tags field.
- Pick from the available list.
- Save.
The difference in one line
Labels = free-text, informal, great for flexibility and quick filters. Content tags = controlled vocabulary, formal, great for AI features and structured reporting.
They co-exist. Most orgs use both.
When to use which
Reach for labels when
- You want to tag something fast without asking admin.
- You're filtering the book view for a project ("Q2-refresh").
- You want a customer-facing filter ("tutorial", "how-to").
Reach for content tags when
- You're shaping AI/bot answers.
- You want consistent reporting across articles.
- You're building a long-term taxonomy that you want enforced.
Gotchas
- Label sprawl. Because anyone can invent a label, you end up with
billing,Billing,BILLING,bill,invoicing. Review labels quarterly; consolidate. - Content tags are limited in scope. Not every Guide feature uses them yet; check which of your tools do.
- Case sensitivity. Labels are usually case-insensitive, but it's worth establishing a convention (lowercase-kebab, etc.).
- Customer-visibility of labels. Depending on theme, labels may appear as filterable keywords to end users. If you use labels for internal notes, decide whether that's okay.
- Labels don't support spaces neatly. Zendesk accepts spaces but many themes display them underscored. Prefer kebab-case (
payment-failed).
Example taxonomy for a mid-size SaaS
Content tags (controlled): - product/core - product/addon-abc - audience/customer - audience/partner - purpose/how-to - purpose/policy - purpose/troubleshooting
Labels (free):
- Internal project tags like Q2-review, legal-approved-2026, beta-v3.
This way the bot and reporting use content tags, and your team uses labels for ephemeral project work.
Quick check — have you got this?
- You want to tag 12 articles for a Q2 content review project. Labels or content tags?
- You want AI answers to draw from "policy" articles only when the question is about policy. Labels or content tags?
- Can you use both on the same article?
Answers
- Labels — free-text, no admin overhead, easy to clean up later. - Content tags — structured vocabulary that AI features can rely on. - Yes. They're independent systems.Related articles
- C05 — The book — managing all your content
- C08 — Article verification — keeping content current
- C18 — Knowledge Capture inside a ticket
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