Filtered By Tag: Zoompf Alerts

Note: Archived Content

This is the archived version of the Zoompf blog. Since our acquisition by Rigor, all our new research and posts on web performance are being published on The Rigor Blog

How to Quickly Spot and Fix Those “Link Not Found” Errors

If you’re using our free Zoompf Alerts product, you may have noticed there is a test for “Link Not Found” errors found on your page (also known as “404 Errors” or “Page Not Found”). As the name suggests, a Link Not Found error is returned from the webserver when the requested page does not actually […]

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From Performance Issue to Bug to 3 New Features

“It has to be a bug” I thought. “This makes absolutely no sense!” We were about to go live with a major new product, and I had just found what looked like a show-stopping bug. But it wasn’t a bug. In fact, it was something so odd and cool, I ended up creating 3 new […]

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Debug Your Performance Defects with Zoompf Alerts

In this post I wanted to highlight some of the great free tools now available to our Zoompf Alerts beta users for debugging and fixing performance defects. (And if you’re not on the beta, it’s still not too late to sign up!) Understanding the Problem The first step to fixing a problem is of course […]

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Tips to Reduce Your Performance Alert Email Frequency

As your website evolves, it’s inevitable your focus on site performance optimization will ebb and flow. During a new project you may be highly focused on the performance of a new feature, but then after the code deploys and the PR goes out, you settle into maintenance mode, monitoring for regressions until the next big […]

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A New Way to Justify Your Ongoing Performance Improvement Efforts

There are many great tools out there to measure your current website performance, among them WebPageTest, Google Pagespeed, and of course the Zoompf Free Report. These are fantastic tools for capturing the current state of your website, but all lack one common shortcoming: they provide no historical context of how much better (or worse) your […]

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Too Many Performance Defects? 4 Ways to Cut Down the Noise

Time is always a challenge for the performance-minded web developer. You’d love to spend all day tuning your site, but competing priorities are an unavoidable fact of life. When we announced our new Zoompf Alerts beta last week, we mentioned one of the primary goals of Zoompf Alerts was to Find only the performance problems […]

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Announcing the Zoompf Alerts Beta!

Today we are ecstatic to announce the public beta launch of Zoompf Alerts! Zoompf Alerts is a new website performance solution that continuously scans your web pages for changes that introduce new performance defects. Unlike traditional performance monitoring solutions, Zoompf Alerts does not focus on measuring page load times. Instead, Zoompf Alerts detects when actual […]

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