Links

Useful tools and resources for web & IT

A selection of online tools we use regularly — free to use, ranging from validators and performance tests to favicon generators and an e-invoice viewer.

E-Invoicing

QUBA Viewer

Viewer for electronic invoices (XRechnung, ZUGFeRD).

Google

Google My Business

List your company on Google and gain customers via Search and Maps.

Google Search Console

Monitor how Google crawls, indexes and serves your website.

Google PageSpeed Insights

Analyze and improve page speed on mobile and desktop.

Themes & Templates

ThemeForest

Large catalog of professional website templates and WordPress themes.

Bootstrap Themes

Themes built or reviewed by Bootstrap's creators.

Generators & Tools

Favicon Generator

Generate favicons from text with customizable fonts and colors.

OpenGraph Preview

Preview and generate Open Graph meta tags.

Google Webfonts Helper

A hassle-free way to self-host Google Fonts.

Validation & Accessibility

W3C Markup Validator

Check markup validity of web documents against W3C standards.

W3C CSS Validator

Check CSS and stylesheets for W3C conformance.

WAVE Accessibility

Evaluate web accessibility and surface issues visually.

Performance

GTmetrix

Test and optimize website speed and performance.