Website for documentation

Developing a web site for the demonstration of skills. Not a commercial project.

4 pages .
Links to additional pages of the site:
HTTPS://artgas.pro/portfolio/skip/news
HTTPS://artgas.pro/portfolio/skip/certification
HTTPS://artgas.pro/portfolio/skip/contacts

The website contains all the modern standards of development
reliable adaptive design,
Mobile version and distribution of events,
The speed of charging,
the asynchronous,
the crossbrowser,
Storage of versions and displays,
Semantics and description of the display of the pages of the site in messengers.