Web Change Detection · Notification Automation

Web Change Detection & Notification

Detect changes on any webpage and get notified via Slack, Discord, or Webhook.

Learn More
Reliable
Change history + Retry + Logs
Secure
Safe URL validation & Access control

Core Features

From detection to notification, all in one.

Detection Method

Full text / Keyword / CSS Selector

Notification Channels

Slack, Discord, Custom Webhooks

Operational Stability

Auto-retry & History

User Isolation

Google Login based management

Overview Screen

From registration to notification, in one view.

Check summary and failures at a glance
Quickly adjust interval and channels
Track history and operation logs
watchdog-preview
Total Monitors
48
24h Changes
12
Failures
3
Recent Changes
Pricing page updatedJust now
Release note v1.12Just now
Notice text changedJust now

How to Use

Step-by-step guide.

1. Register URL

Enter the page URL to monitor.

2. Select Criteria

Choose Full text/Keyword/Selector.

3. Set Interval

Set monitoring frequency.

4. Connect Alert

Get notified on desired channels.

Notification Channel Guide

Admin rights required for Slack/Discord webhooks.

We have a guide for beginners.View Guide

Plan Summary

Free tier and future plans.

Free
Current

  • Min 5 min
  • 30 Monitors
  • Basic Channels
Check detailed plans in Help.View Plans

Who is it for?

Examples for your workflow.

Operations/CS→

Track notices/policy changes.

Marketing→

Track competitors/campaigns.

Dev/Product→

Track release notes/docs.

경쟁사 가격 모니터링→

가격 변동을 실시간으로 추적하고 빠르게 대응

정부지원금 공고→

지원금 공고를 놓치지 않고 즉시 확인

더 많은 활용 방법

다양한 분야에서 Watchdog를 활용할 수 있습니다

채용 공고 추적

원하는 회사의 채용 페이지를 모니터링

콘서트/행사 티켓

티켓 오픈 순간을 놓치지 않고 알림 받기

뉴스/블로그 업데이트

관심 있는 사이트의 새 글을 자동으로 추적

FAQ

Frequently Asked Questions.

What about the first run?

It only saves the baseline, no notification.

Where do I get alerts?

Slack, Discord, etc.

How to set interval?

Set as needed, with minimum limits.

Is it secure?

Safe URL validation, SSRF protection.