Comments Widget

Comments that feel native on your site

Threaded replies, reactions, @mentions, guest commenting, and portable TIP identity — delivered through a single script tag.

Install free Try the live demo
embed snippet
<div id="threadline-comments"></div>
<script src="https://threadline.io/api/embed"
  data-site-id="YOUR_SITE_ID"
  data-api-url="https://api.threadline.io"
  async></script>

Visual example

What readers actually see

A real threaded discussion surface — composer, replies, reputation, reactions, guest badges, and streak fire — without shipping your brand into a third-party cage.

yoursite.com/essay/portable-identity

Long read

Why comment layers should be boring

The best discussion UI disappears into the page. Fast load. Familiar patterns. Identity that travels.

Under 50msAsync bootstrap under 12KB. Full widget lazy-loads below the fold.
12 themes + 8 layoutsMatch your brand with Theme Studio on Pro and above.
Zero trackingNo third-party cookies. No fingerprinting. GDPR by design.
Any frameworkHTML, React, Next.js, Vue, or WordPress — one snippet.

Themes & layouts

Same engine. Different skin.

Theme Studio lets publishers match editorial, newsroom, and brand surfaces — without forking the embed.

EditorialClean serif article footer
MidnightDark newsroom shell
StudioBrand-accent light UI

Built-in depth

Moments the widget handles for you

Reactions

Beyond upvotes — insightful, heartwarming, concerning, and more.

Mentions

Notify people in-thread. Mentions surface in the reader’s dashboard.

Streaks & reputation

Active voices earn visible standing — fire streaks and reputation levels travel with TIP.

Everywhere it ships

Desktop article. Phone article. Same thread.

Desktop
Mobile

Install in one script tag

Free forever for getting started. Upgrade when you need Theme Studio, team tools, or ads.

Create account Read the quickstart →