This task can be performed using WebMonitors
The ultimate website change detection and monitoring tool
Best product for this task

WebMonitors
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WebMonitors is a cloud-based SaaS platform for monitoring website changes. It allows users to track modifications to any webpage, including those behind logins, by monitoring specific elements like text, images, and HTML. Users receive instant alerts via email, Slack, or Discord when changes are detected. The platform is ideal for tasks like competitor tracking, price monitoring, job listings, and compliance monitoring, offering customizable frequency and alert settings to ensure timely notifications.

What to expect from an ideal product
- Sets up automatic checks for new job listings on websites
- Sends instant alerts when job postings change or are added
- Eliminates the need to manually refresh pages for updates
- Customizes monitoring frequency to match job posting patterns
- Delivers notifications through email, Slack, or Discord for convenience