Improving Your CSS with Parker

How you can use the tool to get insightful metrics about your style sheets.

Refactoring CSS Without Losing Your Mind

Ways to deal with legacy code.

Pure CSS Content Filter

Tutorial and demo.

Improving Perceived Performance with Multiple Background Images

A technique for images with a low change rate.

We Need to Talk About Technical Debt

What it is and how to deal with it.

CSS Shorthand Syntax Considered an Anti-Pattern

Why to always favor the longhand syntax.

Typography for Developers

Simple rules to drastically improve your text quality.

Code Smells in CSS Revisited

Things to avoid in your code.

Writing Tidy Code

When it comes to readable code, most of us could do better.

Performance and Resilience: Stress-Testing Third Parties

Let’s find out how well we handle failures.

Finding Dead CSS

Simple technique to identify dead code on a live site.

Slowfiles

Demonstrate and observe slow-loading resources.

Image Inconsistencies

How and when browsers download images.

‘Can I Use’ based on Google Analytics

No more best-guessing browser support for your site.

Performance Budgets, Pragmatically

A way to define performance budgets for any website.

Real-World Effectiveness of Brotli

Is it worth to move over from Gzip?

The Fastest Google Fonts

Let’s find a snippet for loading Google Fonts at lightning speed.

Site-Speed Topography

A holistic way to visualize performance across an entire site.

“If you’re too expensive, you’ll find that out soon enough. If you’re too cheap, you’ll probably never find it out, and that’s the problem.”