Useful Links

https://start.spring.io/

https://fontawesome.com/

https://www.w3schools.com/

https://fonts.google.com/

https://plot.ly/

https://www.telerik.com

https://www.highcharts.com

For import very very fastly csv into postgres table PGFutter

Linux Tutorial

IspConfigTutorial

Db Exploit

Autoruns at the startup of Windows

Internet network speed 

Aruba vs Contabo

GitHup ReadMe.md formatting syntax

Web site efficency check

PageSpeed Insights

GtMetrix

SEO

DNSSEC

https://www.mail-tester.com/    mail tester

SEAFILE TUTORIAL

Regular Expression regex101.com

Regular Expression

Regular Expression dictionary

DIV GENERATOR

UNUSED style

Bootstrap templates

Analyze Robot.txt

Sitemap generator 1

Sitemap generator 2

Sitemap generator 3

Page Ranking

Re-Scan your web site

From Sebbi : campare different compilers

https://imageoptim.com/

Image compressor for web

Image compressor for web jpeg2000

Angular Template

Nature

Quantum Computer – Andrea Morello

Controllo fattura elettronica xml on line

Postgres Tuning

How to perform a clean boot in Windows

Curiosity

Infinito teatro del cosmo

https://spazio-tempo-luce-energia.it/

https://observatory.mozilla.org/

Metodo Feynman

Comparison of DNS blacklists

Analyze email source code

The Top Vulnerability Scanners Open Source Projects

Comparison software or framework

Security news

Shodan for vulnerabilities routers

On Line Image Editor

Thea for study