Testing Slow Third-Parties with Puppeteer
2022-04-28Run single-point-of-failure (SPOF) tests using Puppeteer to see what happens to web page rendering and interactivity when third-party stylesheets and scripts are laggy
Tagged “coding”
Experiment with Priority Hints Locally
2021-11-18Use Chrome Local Overrides to see how you could influence the order of resource downloads
Using The WebPageTest API with Python
2021-09-02Run custom, scripted and batch tests with the ease and stealth of Python.
WebPageTest Sorcery Using Google Sheets
2021-06-30How to pull JSON from the Web and work with it directly in Google Sheets
Compare your site speed with competitors' using the CrUX API
2021-06-18Send batch requests to the Chrome UX Report API for Web Vitals using Python and compare the numbers in a spreadsheet
Cookie Banners and Web Vitals
2021-03-29Is your cookie banner punching you in the Web Vitals? 🥊 Then stop treating it like critical content.
Performant Placeholders
2021-03-12Why use placeholder images? How can you load them quickly? How do they affect Largest Contentful Paint? An analysis.
Using Python to Read Multiple JSON Files and Export Values to a CSV
2020-08-26Comparing data from multiple JSON files can get unweildy – unless you leverage Python to give you the data you need.
Do I Need a CDN for My Personal Website?
2020-07-07I shaved a whole second off page load times by hosting my personal website on a CDN. But now I'm not sure how energy-efficient it is.
Getting a Perfect 100 Google Lighthouse Score On Your Personal Site (Part II)
2019-07-18How I handled CSS, JS, images, compression and caching on my Eleventy-based site
Getting a Perfect 100 Google Lighthouse Score On Your Personal Site (Part I)
2019-07-18Wordpress vs. Static Site Generators – Which is Faster ⚡️for Personal Sites?
How to Build a Website Speed Monitor for Free Using Webpagetest, Google Lighthouse, InfluxDB and Grafana
2019-03-24Test and monitor webpage performance how, when and where you want – for free.
Handling Multiple Modals on One Page with Vanilla JS
2018-02-16Here is a little JS snippet for opening and closing multiple modals on a page