Internal optimization of the site

A number of work has been carried out to improve the indicators of internal optimization:
Technical errors have been corrected;
Unusual texts are rewrite;
- optimized images (compression, alt, title);
- rental of a programming and router, preparing a TZ for them in order to correct technical errors;
Changed link to more efficient.
Instead of some old pages, new pages were created.

Preparations were conducted for the new season 2019, in December, the indicators jumped up-to-down due to changes in Google algorithms and the work carried out, resulting in the pages added and removed from the index.
The total traffic flow relative to the start was 20%.