The web service is used to assemble multifunctional applications aimed at ensuring the operation of various services and implementing communication between client applications and servers.
The main value of sites of this format is not the content, but the extensive functionality. For example, these are weather sites with weather forecasts for the near future or sites where you can get a specialist's advice on the issue of interest to you (both for free and for money).
Postal systems.
Allow users to keep in touch by sending fast food email list each other letters with both text content and with pictures, photos, documents, videos, etc. Forwarding is done through mailboxes, access to which is only possible with a password. Among the most popular mail systems are gmail.com and yandex.ru (from Google and Yandex, respectively). Others, such as Mail.ru, Yahoo!, Rambler, are also quite widely used.
There are categories of services that allow you to create mailboxes specifically for a specific company directly on the corporate domain. The choice of interface is provided. A company that has a corporate mail, as it were, demonstrates its status, working to strengthen the trust of both clients and partners.
Mail systems provide the opportunity not only to correspond, but also to gain access to all sorts of blogs, forums and other web resources where you need to register, and for this you are asked for an email address. Only after it is specified is the newly created account activated (the system sends a code or a letter with a link to the email) and starts working.
Hostings.
Hostings are places allocated for the location of sites on servers. This concept includes all kinds of services for the provision of these places, as well as tools for creating web resources and setting up their correct operation. Each hosting company forms service packages at its own discretion, based on their capabilities.
Online tools.
Another type of website format that is a web service. There is a huge amount of such tools on the Internet. These are programs for developing banners, buttons for a website - here are translators, and website optimizers, and password generators. There are services with which you can change the file format, determine the IP of any user, etc., etc.