UptimeRobot
The ultimate uptime monitoring service. Get 50 monitors with 5-minute checks completely free. Set up in seconds and stay informed about your website’s health at all times.
Website monitoring: Get instant alerts when your website goes down. Reliable and accurate monitoring helps you fix issues before they affect users and prevent revenue loss.
SSL certificate monitoring: Avoid losing visitors due to expired SSL certificates. Get notified 30 days before expiration so you can renew in time.
Ping and port monitoring: Check if your server is online or if your email service is running on port 465. Monitor any port you need with real-time alerts.
Cron job monitoring: Track scheduled tasks with heartbeat monitoring. We verify if the request arrives on time, making sure server-side jobs and internet-connected devices are running properly.
Status pages: Create up to 100 branded status pages, protect them with a password, and allow subscribers to receive updates.
Stay informed with email, SMS, voice calls, push notifications, or integrations with Slack, Zapier, PagerDuty, Telegram, Discord, Microsoft Teams, Google Chat, and more.
Maintenance windows: Pause monitoring when you schedule downtime to avoid unnecessary alerts
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Uptime.com
Uptime.com website monitoring solutions provide unmatched visibility and availability, empowering engineering, operations and SRE teams to monitor & respond to their most essential services. Simple & intuitive industry leading Enterprise-grade features delivered at a fair price, that are continuously improving.
G2, Sourceforge and TechRadar Pro have recognized us as one of the world’s best uptime monitors for several consecutive years, including this one. Try 100% free.
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RapidSpike
RapidSpike interacts digitally with customers just like customers, and monitors real and synthetic customer interactions from outside in order to provide clear insight into how to monitor, improve, and protect their digital experience.
RapidSpike Magecart Attack Detection can detect client-side security breaches. Protect your customers' data, avoid massive fines, and protect your business' reputation.
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Semonto
Nothing is more frustrating than finding out from someone else that your website is down. An inactive website not only tarnishes your brand image but also negatively impacts your sales and gives an impression of unprofessionalism. As a website owner, it’s essential to be informed when your site is experiencing slow responses or is completely offline. With Semonto, you can be confident that you will be alerted right away. When web visitors encounter sluggish loading times, error notifications, or inaccessible services, their frustration can lead them to share their negative experiences with others. Hence, being the first to receive alerts about any issues allows you to address them promptly, preventing potential complaints from spreading. While a lot of information exists about SEO, even with the perfect combination of keywords and backlinks, a website plagued by consistent problems will see a decline in search rankings. By utilizing website monitoring, you can effectively oversee and enhance your site's performance, safeguarding your SEO endeavors from being undermined. Additionally, timely notifications not only help maintain your online presence but also contribute to a positive user experience, fostering loyalty among your audience.
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