Pick a service that will delight your users and developers.

Fast, Live, Flexible Commenting Solutions.

FastComments prioritizes speed and user experience above all else. It doesn't spy on you or your users and has the features you care about.

Try FastComments, No Signup Required.

We've pre-created a demo account just for you! Insert the snippet below into your site to try our comment widget, fast.

<script src="https://cdn.fastcomments.com/js/embed-v2.min.js"></script>
<div id="fastcomments-widget"></div>
    FastCommentsUI(document.getElementById('fastcomments-widget'), {
        tenantId: 'demo'
<lib-fastcomments [config]="{ tenantId: 'demo' }"></lib-fastcomments>
npm install --save fastcomments-react
import { Component } from 'react'
import { FastCommentsCommentWidget } from 'fastcomments-react'

class Example extends Component {
  render() {
    return <FastCommentsCommentWidget tenantId="demo" />
npm install --save fastcomments-vue
  <FastComments v-bind:config="{tenantId: 'demo'}" />
// Vue 2 is also supported via fastcomments-vue.
import { FastComments } from 'fastcomments-vue-next'
export default {
  name: 'FastCommentsExample',
  components: {
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Script is for demo purposes only. To get a snippet for production, create an account.
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Key Features
Live Conversations
Your community chats in real time on your website or application.
Millions of pages or thousands of comments per page? It won't slow us down.
SSO, Webhooks, Oh My
Easy to use and well documented integrations with direct developer support.
Efficient Moderation
Moderate Quickly with Bulk Actions and Moderation Groups. Invite your moderators and get them to work.
Migrate in minutes
Automated Migration from WordPress, Disqus, Commento, Muut Comments, IntenseDebate, JustComments
Fight Spam
Get protected by a classifier that is continuously trained. Automatically remove unverified comments.
Get fine grained, high level, scheduled, or immediate notifications.
Code & Markdown Support
Automatically detect, color, and format pasted code snippets.
Adapts to your site - whether it has a light or a dark theme.
The client-side widgets and emails are fully localized in Chinese (Traditional & Simplified), English, French, German, Hebrew, Italian, Japanese Korean, Polish, Portuguese, Russian, Spanish, and Turkish using browser locale detection.
Go Incognito
Allow anonymous commenting, where an email is not required to comment.
Increase Engagement
FastComments decreases the time to comment, either with an SSO integration that uses the user's existing account, or by providing a very low-friction way for them to sign up.
Tag users with our easy to use @mentions and they'll get notified right away.
Autocompleted hashtags, with the ability to pre-seed hashtags that point to external content.
GIF picker with anonymized integrations with major providers.
We help your community keep in touch with each other via reply, thread, and reaction notifications.
Your users stay up to date about new activity via subscriptions.
JavaScript Not Required
Fully server-rendered solutions available.
Awards and Badges
Craft custom badges and reward your community.
User Profiles
User Profiles complete with activity feeds and guestbook.
Direct Messaging
Realtime messaging between users of your community.
Ready for Enterprise
Detailed Auditing
Fine-grained filterable audit log with API access.
User Management
Manage users with fine-grained control over permissions.
GDPR Compliance
FastComments is GDPR compliant. See our Privacy Policy for how we manage user data.
Development Support
You won't be left in the dark with direct development, integration, and setup support.
You're not the first, or the 100th...
Battle Tested
311,596,510 page loads in the last year.
... by 1,900+ organizations.
... by 533,102 commenters.
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