How to prevent 300 ms delay on tap.
How to make a really fast mobile website (by Flipboard).
How to optimize site for specific hardware and network constraints.
A case study on achieving fast animations on mobile web (by Yelp).
Everything you need to know about forms autofill.
How to optimize site for navigation through the history.
A case study on prolifiration of 5G networks.
How to setup Cache-Control to achieve the best reponse time.
How to fix issue with 100vh in mobile WebKit.
An advices on web development for Galaxy Fold.
On issues with dark themes on OLED displays and what to do with them.
How to deal with "the notch" on iPhone X.
The good high-level overview of mobile web development.
On additional security measures for 2FA.
A diagram that shows in which cases JavaScript can be unavailable.
On pattern for performant web applications.
Debug your web app on Adroid with Chrome DevTools.
The compilation of good articles about mobile web development.
How to hide videos without an impact on mobile traffic.
An overview of negative practices on mobile sites.
What you can do with web app to achieve better battery life.
On autocomplete attribute regarding 2fa.
On detection of various input devices.
A hands-on introduction to Accelerated Mobile Pages focusing on code and live samples.
Best practices for building web pages for feature phones.
An advices on using Mobile Safari for measuring network performance.
On optimizing sites for messengers.
Why you need to care of performance on cheap smartphones.
Series of articles about mobile search UX.
The list of best practices for mobile web applications from W3C.
A little bit out of date but still useful list of best practices for mobile websites from W3C.
Guideline (must read) from Mozilla about designing mobile websites.
Best practices for optimizing mobile web apps.
An introduction to intersection observers.
The awesome list of offline-first stuff (Progressive Web Apps, Service Workers etc.)
How to prevent your phone from sleeping.
Overview of technics of responsive design.
An overview of techniques to speed page loading.
Reason why you need to self-host your static assets.
On performance as a key factor for the business.
How to start developing for KaiOS.
A service worker strategy for dealing with lie-fi (a bad network connection).
List of advices on creating accessible mobile UI.
Overview of interaction media features.
Wide range of recommendations for making Web content more accessible.
Guideline from Google about creating good mobile web experiences.
Musings on the impact of foldable phones on web.
An interesting paper about websites' power consumption.
Analyzing tool for web apps and web pages.
Tool for testing that your site is mobile-friendly.
Web server modules that optimize your site automatically.
The tool that analyzes your page and gives recommendations for increasing downloading speed.
Compare the speed of your mobile site to others.
The tool from Google that performs comprehesive speed check of the mobile site.
Website speed test from multiple locations using real browsers and at real consumer connection speeds.
Free small ebook on mobile performance from Awwwards.
Guide on building offline experience with service workers.
Book about the performance of the web on mobile devices.
UI patterns which can be useful for mobile web apps.
How to design sites for mobile devices (free online version).
Book about responsive web design.
Time-saving synchronised browser testing.
Console for mobile web browsers.
Removing of 300ms delay in old browsers.
Drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers.
Highly performant, light and configurable lazy loader using IntersectionObserver API
An easily internationalizable, mobile-friendly datepicker React library for the web.
A list of screen sizes of all popular smartphones.
Shiny reflections for mobile websites.
Standalone and lightweight navigation menu for your mobile web apps.
The most modern mobile touch slider with hardware accelerated transitions.
Web inspector for debugging sites in non-mainstream browsers.
A workflow for multi-device websites.
JavaScript libraries for adding offline support to web apps.
Library to provide a full representation of the DOM inside of Web Workers.
State of support of various web features in browsers.
Market share between various platforms and countries.
Current state of mobile-related W3C specifications.
What your browser capable of.
On access to information about the battery.
On access to information about connection.
The spec for exposing sensor data.
On access to geolocation.
On user access to camera or microphone.
On payment method with minimal integration.
On access to presentation displays.
On controlling remote playback of media from a web page.
On access to the vibration mechanism of the hosting device.
On access to a visual portion of a screen excluding on-screen keyboards, areas outside of a pinch-zoom area etc..
On access to wake lock request (prevents some aspect of a device from entering the power-saving state).
On an API to discover and communicate with devices over the Bluetooth 4.
On access to Near Field Communication capabilities of the device.
On an API for end-user notifications.
Overview of practices for adapting a site to hardware and network constraints, by Addy Osmani, Nate Schloss.
Overview of the best practices for mobile web development, by Matt Gaunt.
The glimpse on how to optimize web apps and sites using streams and service workers and other new APIs, by Jake Archibald.
Introduction to service workers, by Jake Archibald.
What to do on your site to achieve the best possible mobile experience, by Estelle Weyl.
How to audit performance issues on the site, by Paul Lewis.