
CodePen
JSFiddle
CodeSandbox
GitHub
replit
VS Code
Pastebin.com
JS Bin
PingPing
UptimeRobot
Oh Dear!
StatusCake
Pingdom
Pingtide
Uptime.com
Uptime Kuma
PingPing is uptime and SSL certificate monitoring built for speed and simplicity. It checks your websites every 30 seconds - 10x faster than the 5-minute intervals most monitoring tools default to - so you find out about downtime before your customers do.
Most monitoring tools check every 5 minutes. That means you could be down for nearly 5 minutes before you even get an alert. With PingPing's 30-second check intervals, you're notified in under a minute. For SaaS products, e-commerce stores, and client websites, that difference translates directly into less lost revenue and fewer angry support tickets.
PingPing sends instant notifications through email, Slack, Discord, Telegram, Microsoft Teams, and webhooks. No alert fatigue - just fast, clear notifications when something actually goes wrong.
Developers, freelancers, agencies, and small SaaS teams who want dead-simple monitoring without enterprise complexity. If you manage websites for yourself or clients and just need to know immediately when something breaks, PingPing is built for you.
Unlike tools that bundle dozens of features you'll never use, PingPing focuses on doing one thing exceptionally well: detecting downtime fast and telling you about it instantly. 30-second checks come standard - not locked behind expensive enterprise tiers.
14-day free trial. No credit card required. Set up your first monitor in under 60 seconds.
PingPingNo PingPing videos yet. You could help us improve this page by suggesting one.
PingPing's answer:
Speed. PingPing checks your websites every 30 seconds - that's 10x faster than the 5-minute default most monitoring tools offer. While other services might leave you unaware of downtime for up to 5 minutes, PingPing alerts you in under a minute. Combined with radical simplicity (no dashboards full of features you'll never touch), it's monitoring stripped down to what actually matters: knowing your site is down before your customers do.
PingPing's answer:
Three reasons: - First, 30-second check intervals come standard - competitors like UptimeRobot and StatusCake lock faster checks behind expensive tiers or don't offer them at all. - Second, PingPing is deliberately simple. No feature bloat, no complex onboarding, no enterprise sales calls. Set up your first monitor in under 60 seconds. - Third, unlimited team members on every plan - no per-seat pricing surprises as your team grows.
If you want the fastest possible alerts without the complexity of tools built for enterprise IT departments, PingPing is the straightforward choice.
PingPing's answer:
Developers, freelancers, agencies, and small SaaS teams who manage websites and need to know immediately when something breaks. They're technically capable but time-poor - they don't want to configure a complex monitoring stack, they just want fast, reliable downtime and SSL alerts delivered to the channels they already use (Slack, email, Discord, webhooks). Many manage multiple client sites and need a tool that's simple enough to set up per project without ongoing maintenance.
PingPing's answer:
Laravel, Vue.js, Alpine.js, MariaDB, Docker, Paddle (payments), and for infrastructure and multi-location monitoring support Hetzner and Vultr.
Based on our record, CodePen seems to be a lot more popular than PingPing. While we know about 513 links to CodePen, we've tracked only 1 mention of PingPing. 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.
> I vividly remember IE and many hacks to have css elements properly working in it… The common advice now is to only use CSS that is supported in the last two major versions of each major browser. You can check any css property's support here: https://caniuse.com/ > Imho this is a reason why markdown and other rich-textual formats appeared. Markdown is a superset of html and through it contains css through the... - Source: Hacker News / 22 days ago
Thank you, heartfelt... For sharing an artwork, a miracle! Just in case, have you considered publishing the work at platforms as CodePen, where genius Artists/People express their art, too, as you?: // https://codepen.io/. - Source: Hacker News / about 2 months ago
Embed on DEV: If you prefer CodePen embed, create a Pen with that HTML and add to the post as: {% codepen https://codepen.io//pen/ %}. - Source: dev.to / 10 months ago
CodePen is where creativity meets frontend code. You can write HTML, CSS, and JavaScript and see results instantly in the browser. - Source: dev.to / about 1 year ago
For those preferring agent-based approaches, Replit Agent shines. Khris Steven, Founder of KhrisDigital Marketing, notes, "You can simply describe what you want your app to do in plain English, and Replit Agent will generate the code and deploy it." This natural language interface fosters collaboration, turning ideas into deployable apps in minutes. - Source: dev.to / about 1 year ago
I used https://pingping.io which notified me around 30 secs after the outage started. Source: about 4 years ago
JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
UptimeRobot - Free Website Uptime Monitoring
CodeSandbox - Online playground for React
Oh Dear! - Website health monitoring for your entire site, not just the homepage.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring