o`minus marketing || web development checklist

Best Practices

Required:

Fix broken links

W3C link checker

Spelling and grammar

Capitalization

Writing Style

Word variations (e.g. UK vs US)

Check website in all browsers

CrossBrowserTesting

Decide on www-subdomain

no-www.org score of 'B'

...or www.yes-www.org

Handle 'www' in web.config

Mobile

Required:

Mobile-Friendly Test

Mobile Friendly Checker

Use 'viewport' meta-tag

Don't forget the viewport meta-tag

Make your website mobile friendly

Use correct input types

Input Type: Email, Url, Phone

Diving in to HTML5 forms

Test using real devices

Use BrowserStack to test on multiple devices

Analytics & Monitoring

Required:

Uptime monitoring

Traffic Analysis

Matomo (formerly known as Piwik)

Performance

Required:

Google Page Speed score of 90+

Google PageSpeed Insights

Optimize HTTP headers

redbot.org

Optimize Images

Analize how images affect your page

TinyPNG

kraken.io

squoosh.app

PNGGauntlet for Windows

ImageOptim for Mac

Usability

Required:

HTML5/CSS3 compatibily check

Can I Use

Modernizr JS library

W3C Internationalization Checker

Custom 404 page

A more useful 404

Favicon

Real Favicon Generator

Favicon Cheat Sheet

Use friendly URLs

SEO Friendly URLs

URL rewriting in ISS

URL rewriting in Apache

URL rewriting in NGINX

Print-friendly CSS

Set up a print stylesheet

Optional:

Add search feature on your website

Google Custom Search

Consider 'Open Search'

Enviroment Integration

Safari on iOS

Internet Explorer on Windows

Semantics

Required:

Add meaning with structured data

Schema.org reference

Schema-Creator.org

Check the semantics

Google Structured Data Testing Tool

Facebook OpenGraph Debugger

Twitter Card Validator

SEO

Required:

Google Rich Snippets

Online Tester

Getting Started

robots.txt

robots.txt tutorial

Create robots.txt online

XML Sitemaps

Create sitemap online

Code Quality

Required:

HTML validation

W3C validator

HTML5 Validator.nu

CSS validation

W3C CSS validator

Run CSS Lint

Run CSS Lint online

Run JSLint/JSHint

Run JSLint online

Run JSHint online

World ready

W3C i18n checker

Accessibility

Required:

Accessibility validation

Web Content Accessibility Guidelines (WCAG) Overview

Common problems and solutions

Web Accessibility Evaluation Tool

Test using a screen reader

Color contrast

Check color contrast online

WAI-ARIA Landmarks

Using WAI-ARIA Landmarks

Guide to WAI-ARIA

Practical Examples

Security

Required:

Follow Best Practices

Observatory by Mozilla

Cross-site scripting

XSS cheat sheet

DOM based XSS cheat sheet

Cross-site request forgery

Explanation and walkthrough

CSRF cheat sheet

Optional:

Secure connection (SSL)

Free SSL/TLS Certificates

Setup SSL on ISS

Setup SSL on Apache

Setup SSL on NGINX

SSL Server Test

HTTP Strict Transport Security

MDN Overview

OWASP Overview

Enable Content Security Policy

Content Security Policy

Content Security Policy (MDN)

CSP Evaluator Online

Social Media & Structured Data

Optional:

Structured Data for Google Search

How structured data works in Google Search

Open Graph Protocol

Open Graph Protocol Reference

Twitter Cards

Documentation

Facebook

Sharing on Facebook

...and finally

Optional:

Add humans.txt

We are humans, not machines!