development
Regular Expressions: A Complete Beginner's Guide
Learn regular expressions from scratch: syntax, character classes, quantifiers, groups, and practical examples for data validation.
Xuvero Blog
Tips, tutorials, and updates from our team.
network
WHOIS: How to Find Information About Any Domain
Learn what WHOIS is, the information it reveals, and how to check any domain online for free.
career
How to Create the Perfect Resume Online for Free in 2026
Step-by-step resume creation guide: proper structure, ATS optimization, common mistakes, and 2026 trends. Free online resume builder included.
images
WebP, PNG, JPG: Which Image Format to Choose for Your Site
Comparison of image formats for websites. WebP, PNG, JPG, AVIF β when to use each and how to convert them.
images
How to Optimize Images for Your Website: Step-by-Step Guide
Heavy images are the main cause of slow websites. Learn how to properly compress, convert, and resize images for fast loading.
images
Image Compression for Web: Best Practices
Complete guide to image optimization for websites: formats, tools, lossless compression, and impact on Core Web Vitals and SEO rankings.
development
CSS Gradients: A Complete Guide with Code Examples
Learn linear, radial, and conic CSS gradients with code examples. Discover Tailwind CSS integration, animation techniques, and performance optimization tips.
development
Cron Expressions: Syntax, Examples, and Online Parser
Learn to write cron expressions for task scheduling. Syntax, examples, and an online tool for testing.
development
JWT Tokens: What They Are and How to Use Them
A detailed guide to JWT tokens: structure, how they work, security best practices, and practical examples for authentication in modern web applications.
productivity
How to Test Your Typing Speed Online: Tips to Improve
Discover your typing speed in WPM, master the touch typing method, and boost your productivity with proven tips and consistent daily practice sessions.
development
What is a JWT Token and How to Debug It
Explore the structure of JWT tokens, their role in authentication, and how to decode them online.
development
How to Work with JSON: Formatting, Validation, and Conversion
A comprehensive guide to working with JSON. Structure, validation, formatting, and conversion between JSON, CSV, XML.