Christian Oliff

Detecting Silk in JavaScript, Enable developer mode and more tips & tricks

Add a dark-mode theme toggle with a Bootstrap Custom Switch

Skip loading data-heavy JavaScript and Google Fonts for users on low bandwidth

Inputmode, datalist, css conical gradients, color input, TLS 1.3 and more

Easily add responsive font sizes to your site

Apps to save you time and improve code quality and security

Setting an alternative light or dark theme for your site

An easy way to improve accessibility for iOS users with vestibular disorders

Tweaks for improving caching and adding gZip compression

Links, tools and resources for making high performance web sites

A resource of sites for testing your sites performance, SEO, security mobile-friendliness and more

Workaround to prevent Personally Identifiable Information being submitted

How to use CDN to serve third-party scripts and fonts for a big speed boost...

Test your web applications from other machines such as iOS and Android devices

Service Workers, Payment Request API, Beacon API and more

Using autocomplete, autofill, HTML5 form validation and mobile improvements

CSS for fixing issues with old Internet Explorer

Using the HTML5 pattern attribute to check for a valid TLD

A quick look at the new API for sharing on the web

A simple auto-select country from a dropdown using the free GEOIP DB service and jQuery...