前端监控，性能监控平台。前端监控平台专注于Web端体验数据监控。对网页健康状况的三个方面进行监测：页面打开速度（速度测量）、页面稳定性（JS错误）和外部服务调用成功率（API）

Monitor a website and get email and Slack notifications when specific changes are detected

Documentation and project-wide issues for the Website Monitoring project (a.k.a. "Scanner")

YAML based tool for monitoring metrics across multiple hosts

UI to enable analysts to quickly assess changes to monitored government websites

Tools for access, "diff"-ing, and analyzing archived web pages

An HTTP API for tracking and annotating changes to a set of web pages.

A scalable, plugin-based url asset monitoring system based on zeromq, flask-restful, redis and docker-compose

A full-page news monitor with different sections for an RSS feed, trending Mastodon links and hashtags, and posts from any Mastodon hashtags you want to monitor. Meant to cast to / display on a second screen.

A simple trap for web crawlers

🔍 Node.js diffing service for the website monitoring project

Android app to monitor web sites from your smartphone / tablet

Quick and dirty, but fast, Node.js scraper for Versionista data used by EDGI

前端监控JS SDK（探针），支持nodejs、web、H5、WEBAPP、小程序等，覆盖前端监控三大领域：异常监控、性能监控、用户行为

A simple scraper and notification tool for the danish website Den Blå Avis (DBA) for a specific item type. Mimics what DBA calls 'agents'.

A Go SDK for Monibot - Easy Server and Application Monitoring

Web monitoring system, developed in C, to count number of visits from different countries using an input log file.

Web Surface Anti-Defacement Monitor - Track changes to web content

WebScore is a report of quality metrics for websites. The scores are calculated daily using various scanning and monitoring tools like Google Lighthouse, Mozilla Observatory, SSLlabs...

Web Monitoring: Monitor Web Page for Changes