For successful indexing of the page by search bots, the HTTP response code of the server must be 200.

Additional Information:

• [Checking the server response of the internal pages of the site](/tools/http-response/
• List of status codes

For the promotion of commercial sites, the confidentiality of the exchange of information between the server and visitors is important. This increases the loyalty of potential customers to the resource, increases the level of trust, affects the conversion and growth of positions in the search results for almost all requests.

Download speed directly affects behavioral factors: the faster the download, the fewer bounces. The Google robot visits slow sites less often. This affects the effectiveness of promotion, such sites are rarely indexed. Loading speed is one of the main factors in Google ranking.

Don't forget to prolong your domain name. It’s better to involve auto-renewal with your registrar. After the end of the domain registration, there is a chance to lose access to the domain.