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By Leo Baecker
An escalation protocol is the written rule set that says when an incident moves from the person holding it to the next level, who that next level is, how they get contacted and how long they have to respond. It sits underneath the escalation policy (the why) and above the contact matrix (the who), and it is the document the on-call engineer actually reads at 3 AM.
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By Leo Baecker
ICMP has no port number. It is an IP-layer protocol, number 1 in the IP header, that sits beside TCP and UDP rather than on top of them, so ping does not use a port and there is no "ping port" to open. When a firewall form asks for one, select the ICMP protocol and the echo request type instead. This post covers where ICMP sits in the stack, which types and codes you will actually meet, how to allow it through Linux, Windows and cloud firewalls, and when a ping check is the wrong check.
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By Leo Baecker
The best SSL certificate monitoring tools are Hyperping (certificate checks inside a full uptime, on-call and status page workflow), TrackSSL (dedicated certificate inventory and change alerts), Xitoring (deepest published TLS analysis at the lowest price), UptimeRobot (largest free tier), Better Stack (certificate checks alongside logs, traces and incident response) and Oh Dear (whole-site health for agencies). I analyzed 26 tools and narrowed the list to these six.
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By Leo Baecker
Updated August 05, 2026 Keyword monitoring checks that a specific string is still present in a page or API response on every run, instead of trusting the HTTP status code. It catches the failures that uptime checks sleep through: a deploy that renders an empty template, a CMS entry someone unpublished, a checkout page serving "Something went wrong" with a perfectly healthy 200. In Hyperping, the simple version is a text body assertion on an HTTP monitor and takes about ten seconds to set up.
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By Leo Baecker
MCP for SLA monitoring gives an AI agent direct access to measured uptime, mean time to resolve (MTTR), mean time to acknowledge (MTTA), outages, and reliability risks. With Hyperping, you can ask Claude, Cursor, Codex, or another MCP client for an SLA report and get an answer based on your live monitoring data instead of copying numbers between dashboards. The distinction between monitoring data and SLA compliance matters. Hyperping measures availability and incident response.
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By Leo Baecker
Playwright can catch Next.js hydration errors by listening for browser console failures and then exercising an interaction that only works after React has attached its event handlers. This detects pages that return 200 OK and display server-rendered content but fail when a customer clicks, types, or navigates. Next.js defines hydration as React attaching event handlers to the server-rendered HTML.
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By Leo Baecker
A Magento checkout monitor should prove that a customer can select a product, create a cart, reach checkout, enter a shipping address, and load the expected delivery and payment methods. Playwright can test the rendered storefront while also checking the GraphQL or REST requests behind it. Adobe Commerce and Magento Open Source provide several testing tools, including a Functional Testing Framework and web API tests.
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By Leo Baecker
A WooCommerce checkout monitor should verify that a shopper can open a product, add it to the cart, reach checkout, enter valid details, and see a usable payment option. Playwright is a good fit because these failures often happen after the server has already returned a successful HTTP response. WooCommerce itself uses Playwright for its end-to-end tests. A scheduled production check uses the same browser behavior for a different purpose: finding a broken customer journey between deployments.
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By Leo Baecker
Hyperping· Uptime monitoring Know before your customers do. Monitor from 18 regions and route alerts by phone, SMS, Slack or email. Start free Playwright and Puppeteer solve the same problem, driving a real browser from Node.js, and Playwright was started by engineers who previously built Puppeteer. That shared ancestry makes the two APIs look similar at first glance, which is exactly why the differences below catch people off guard.
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By Leo Baecker
Staring at an empty test folder is often the hardest part of end-to-end testing. To help, here are ten common end-to-end test ideas you can build with Playwright, with code examples for two of the most requested scenarios: login and form submission.
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Beautifully simple and reliable website monitoring. Receive alerts when your website is down through emails, Slack or SMS, integrated with real time data and insights.
Know when your website is down before your users do with downtime alerts through emails and webhooks, real time data and insights.
Why Hyperping?
- Everything you need, visualized: Monitor your sites with simple and beautiful charts. Measure your uptime, response time and more every minute.
- Get alerted anywhere you are: Seamlessly integrate notification channels for you and your teammates such as Slack, SMS and emails. Get alerts and react before your users even notice.
- Global monitoring: Choose from 10 different locations worldwide. We double check (no false positives) from two more locations whenever an error occurs to confirm downtime.
- Transparency for customer trust: Inform your users about your availability and reliability through the Public Status Page feature. Set up one in seconds.
- Keep control of your branding: Customise your status page by changing your favicon, a custom logo and the color of the graphs.
- SSL Monitoring: Never worry about when your SSL certificate is expired or damaged.
- User Satisfaction: Understand what your users feel when browsing your site.
- Data retention: Go back in time by keeping a large history of your uptime, response time and outages.
Top companies have peace of mind using Hyperping.