Did you like our previous blog about domain hijacking? Let’s see if you know all the HTTP codes now. There is a complex series of dialogues happening behind the scenes every time you use the internet. Your browser and servers are always communicating — and while most people don’t understand the internet’s language, it’s definitely essential for developers and SEO experts to understand it.

As mentioned in our ultimate guide to HTTP status codes, the HTTP 999 is unofficial, but it still plays an important role in the flow of our online journey in unexpected ways — and here’s why. So what is it for? We all know that the digital highway is held together by something called the Hypertext Transfer Protocol, or HTTP.

You know it’s going to be a great day when you find yourself mentioned as a Sample Vendor on the Gartner® Hype Cycle™ report for Monitoring and Observability, 2023(July 2023). The OnPage team is thrilled to share with its community that we have been mentioned as a Sample Vendor by Gartner on their latest Hype Cycle for Monitoring and Observability. OnPage is recognized as a Sample Vendor, specifically within the Automated Incident Response category.

ELB cost optimization- CloudSpend Amazon Elastic Load Balancing (ELB) is a load balancing service that automatically and evenly distributes incoming traffic from client-side applications across multiple virtual server instances, like Amazon EC2 instances, containers, or IP addresses, in different availability zones. It smoothly handles server instance failover and unavailability, thus increasing the application’s fault tolerance.

A webhook, or web callback, is a user-defined HTTP callback used to alter the behavior of a webpage or application. It is triggered by specific events in a web application, such as receiving an SMS message or phone call. When the webhook is triggered, the source application sends an HTTP request, usually in the form of a POST or GET request, to the URL configured for the webhook.

Fastify is a cutting-edge web framework for Node.js that offers exceptional speed and efficiency. With its extensible plugin system, support for asynchronous programming, and focus on minimalism, it is an ideal choice for backend developers developing Node.js applications. But even the most performant web applications can encounter issues that are difficult to debug without the proper tools in place. We will explore how to use AppSignal for a Fastify application.

Whenever we detects something wrong with your site it can send you a notification. We have multiple channels available: Slack, Telegram, webhooks, and many more. The most popular channel our users use is just a simple mail. Behind the scenes, Oh Dear uses Postmark to send out mails. Postmark will inform us whenever a notification mail results in a hard bounce. A hard bounce means that the mail won't be delivered. The most common reason for this is that the mailbox doesn't exist (anymore).

Research published by Cisco AppDynamics highlights the challenges that IT teams are facing in managing application availability and performance within hybrid IT environments. The new report, The Age of Application Observability, reveals the levels of complexity that technologists are encountering as they implement cloud native technologies alongside existing on-premises applications and infrastructure.