Rocket Validator
W3C Markup Validation Service
Total Validator
Nibbler
HTML Validator
mailmouse
Scrutiny
Ahrefs
IsDown.app
UptimeRobot
Ping Bot
Better Uptime
StatusGator
Uptime Kuma
Pingdom
Uptime.com
Let our web spider do the hard work for you.
Up to 5,000 web pages per report. Just enter a starting URL and we'll find the pages on your site. XML sitemaps also supported.
Each page is checked using the latest versions of Deque Axe Core and W3C Validator. Get results in seconds.
Define daily, weekly or monthly automatic reports and get the results delivered to your email. You can also use webhooks to trigger site checks after every deploy.
Rocket Validator lets you selectively mute issues that you don't plan to fix - for example when it's caused by 3rd party software.
Track the evolution of your site quality over time.
Show the current status of your sites easily with our embeddable badges.
Easy to integrate into your existing projects and dashboards via our JSON API.
IsDown is a powerful vendor monitoring platform that centralizes the status of thousands of cloud services into one easy-to-use dashboard. It helps teams stay ahead of service outages by aggregating official status updates from over 3,200 SaaS and cloud providers.
Key Features: • Unified Monitoring: Keep track of all your critical vendors in a single place. • Real-Time Alerts: Receive instant notifications via Slack, Email, or other integrations when a service experiences issues. • Customizable Notifications: Filter alerts by service components and severity to focus on what matters most. • Historical Data: Access historical uptime and incident reports to assess vendor reliability over time. • Seamless Integrations: Connect with tools like Slack, Microsoft Teams, PagerDuty, and Datadog to streamline your workflow.
Ideal for teams relying on multiple external services, IsDown ensures you’re always informed about vendor performance, allowing you to respond proactively to disruptions.
Rocket Validator IsDown.appNo IsDown.app videos yet. You could help us improve this page by suggesting one.
Based on our record, IsDown.app seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The Better Stack integration is included with every paid IsDown plan. Sign up for a free 14-day trial — or open Alerts & Integrations in your current IsDown account and add Better Stack now. Your team will see live incidents from AWS, Stripe, GitHub, and hundreds more, all inside the queue they already trust. - Source: dev.to / about 1 month ago
Now you can monitor third-party outages right in your Better Stack account with https://isdown.app . What will you get? Single incident feed – Internal alerts and third-party outages appear in the same view. - Source: Hacker News / about 1 month ago
I would say almost from day 1. Even at a lower price, it's an important step to validate an idea. When people need to put their credit card in and give you money, it's another level of commitment that I don't think you will have with a free plan. It is a level of commitment from the user but also from you. If you're getting paid, it's expected that, for example, if a service is down/not working, you need to fix... - Source: Hacker News / almost 3 years ago
W3C Markup Validation Service - Validates HTML markup of web pages, one at a time.
UptimeRobot - Free Website Uptime Monitoring
Total Validator - Total Validator can check your website to help ensure that it is accessible, uses valid HTML and CSS, has no broken links, and is free from spelling mistakes.
Ping Bot - Reliable monitoring for your servers, vendors, and infrastructure.
Nibbler - Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.
Better Uptime - We call you when your website goes down