300ms Tap Delay, Gone Away

How to prevent 300 ms delay on tap.

60 FPS on Mobile Web

How to make a really fast mobile website (by Flipboard).

Adaptive loading: improving web performance on slow devices

How to optimize site for specific hardware and network constraints.

Animating the Mobile Web

A case study on achieving fast animations on mobile web (by Yelp).

Autofill: What web devs should know, but don’t

Everything you need to know about forms autofill.

Back/forward cache

How to optimize site for navigation through the history.

Benchmarking the global 5G experience

A case study on prolifiration of 5G networks.

Cache-Control for Civilians

How to setup Cache-Control to achieve the best reponse time.

CSS fix for 100vh in mobile WebKit

How to fix issue with 100vh in mobile WebKit.

Current Web on Galaxy Fold

An advices on web development for Galaxy Fold.

Designing a Dark Theme for OLED iPhones

On issues with dark themes on OLED displays and what to do with them.

Designing Websites for iPhone X

How to deal with "the notch" on iPhone X.

Developing Mobile Web Applications: When, Why, and How

The good high-level overview of mobile web development.

Enhance SMS-delivered code security with domain-bound codes

On additional security measures for 2FA.

Everyone has JavaScript, right?

A diagram that shows in which cases JavaScript can be unavailable.

Faster Web App Delivery with PRPL

On pattern for performant web applications.

Guidelines For Mobile Web Development

The compilation of good articles about mobile web development.

Hiding Videos on the Mobile Web

How to hide videos without an impact on mobile traffic.

How To Poison The Mobile User

An overview of negative practices on mobile sites.

How Web Content Can Affect Power Usage

What you can do with web app to achieve better battery life.

HTML attributes to improve your users' two factor authentication experience

On autocomplete attribute regarding 2fa.

Interaction Media Features and Their Potential (for Incorrect Assumptions

On detection of various input devices.

Learn AMP by Example

A hands-on introduction to Accelerated Mobile Pages focusing on code and live samples.

Loading web pages fast on a $20 feature phone

Best practices for building web pages for feature phones.

Measuring Network Performance in Mobile Safari

An advices on using Mobile Safari for measuring network performance.

Microbrowsers are Everywhere

On optimizing sites for messengers.

Mobile Performance Inequality Gap

Why you need to care of performance on cheap smartphones.

Mobile Search UX 8 Obstacles

Series of articles about mobile search UX.

Mobile Web Best Practices

A little bit out of date but still useful list of best practices for mobile websites from W3C.

Mobile Web Application Best Practices

The list of best practices for mobile web applications from W3C.

Mobile Web Development

Guideline (must read) from Mozilla about designing mobile websites.

Mobile Web Performance Checklist

Best practices for optimizing mobile web apps.

Observing Intersection Observers

An introduction to intersection observers.

Offline First (Awesome List)

The awesome list of offline-first stuff (Progressive Web Apps, Service Workers etc.)

Prevent Mobile Browser From Sleeping

How to prevent your phone from sleeping.

Responsive Web Design – What It Is And How To Use It

Overview of technics of responsive design.

Rules for Mobile Performance Optimization

An overview of techniques to speed page loading.

Self-Host Your Static Assets

Reason why you need to self-host your static assets.

The Impact of Web Performance

On performance as a key factor for the business.

The joy and challenge of developing for KaiOS

How to start developing for KaiOS.

Timing Out

A service worker strategy for dealing with lie-fi (a bad network connection).

Tips for making interactive elements accessible on mobile devices

List of advices on creating accessible mobile UI.

Touch Devices Should Not Be Judged By Their Size

Overview of interaction media features.

Web Content Accessibility Guidelines (WCAG)

Wide range of recommendations for making Web content more accessible.

Web Fundamentals

Guideline from Google about creating good mobile web experiences.

What Does A Foldable Web Actually Mean?

Musings on the impact of foldable phones on web.

Who Killed My Battery

An interesting paper about websites' power consumption.

Brain Food Mobile Performance

Free small ebook on mobile performance from Awwwards.

Going Offline

Guide on building offline experience with service workers.

High-Performance Mobile Web: Best Practices for Optimizing Mobile Web Apps

Book about the performance of the web on mobile devices.

Mobile Design Pattern Gallery: UI Patterns for Smartphone Apps

UI patterns which can be useful for mobile web apps.

Mobile First

How to design sites for mobile devices (free online version).

Responsive Web Design

Book about responsive web design.

Battery API

On access to information about the battery.

Connection API

On access to information about connection.

Generic Sensor API

The spec for exposing sensor data.

Geolocation API

On access to geolocation.

HTML Media Capture

On user access to camera or microphone.

Payment Request API

On payment method with minimal integration.

Presentation API

On access to presentation displays.

Remote Playback API

On controlling remote playback of media from a web page.

Vibration API

On access to the vibration mechanism of the hosting device.

Visual Viewport API

On access to a visual portion of a screen excluding on-screen keyboards, areas outside of a pinch-zoom area etc..

Wake Lock Api

On access to wake lock request (prevents some aspect of a device from entering the power-saving state).

Web Bluetooth

On an API to discover and communicate with devices over the Bluetooth 4.

Web NFC API

On access to Near Field Communication capabilities of the device.

Web Notifications

On an API for end-user notifications.

Adaptive Loading - Improving web performance on slow devices

Overview of practices for adapting a site to hardware and network constraints, by Addy Osmani, Nate Schloss.

Fundamentals of Mobile Web Development

Overview of the best practices for mobile web development, by Matt Gaunt.

Future App Model: Advanced Service Worker

The glimpse on how to optimize web apps and sites using streams and service workers and other new APIs, by Jake Archibald.

Instant Loading: Building offline-first Progressive Web Apps

Introduction to service workers, by Jake Archibald.

Mobile Web Performance

What to do on your site to achieve the best possible mobile experience, by Estelle Weyl.

Mobile Web Performance Auditing

How to audit performance issues on the site, by Paul Lewis.

Lighthouse

Analyzing tool for web apps and web pages.

Mobile-Friendly Test

Tool for testing that your site is mobile-friendly.

PageSpeed Insights

The tool that analyzes your page and gives recommendations for increasing downloading speed.

PageSpeed

Web server modules that optimize your site automatically.

Site Speed Checker

Compare the speed of your mobile site to others.

Test Your Mobile Speed

The tool from Google that performs comprehesive speed check of the mobile site.

Webpagetest

Website speed test from multiple locations using real browsers and at real consumer connection speeds.

Can I Use

State of support of various web features in browsers.

Mobile Browser Market Share

Market share between various platforms and countries.

Standards for Web Applications on Mobile

Current state of mobile-related W3C specifications.

What Web Can Do Today

What your browser capable of.

Browsersync

Time-saving synchronised browser testing.

Eruda

Console for mobile web browsers.

Interact.js

Drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers.

Fastclick

Removing of 300ms delay in old browsers.

Lozad.js

Highly performant, light and configurable lazy loader using IntersectionObserver API

React Dates

An easily internationalizable, mobile-friendly datepicker React library for the web.

Screen Sizes

A list of screen sizes of all popular smartphones.

Shiny

Shiny reflections for mobile websites.

Slideout

Standalone and lightweight navigation menu for your mobile web apps.

Swiper

The most modern mobile touch slider with hardware accelerated transitions.

Web Inspector Remote (Weinre)

Web inspector for debugging sites in non-mainstream browsers.

Web Starter Kit

A workflow for multi-device websites.

Workbox

JavaScript libraries for adding offline support to web apps.

WorkerDOM

Library to provide a full representation of the DOM inside of Web Workers.