Proxima Metrica: Website Quality Assessment
Proxima is a quality metric that determines the expected search results. It evaluates several factors simultaneously, including relevance to the query, the ability to solve the user's problem, the degree of visitor loyalty to the site, the balance of advertising, marketing, and useful content, and its quality compared to competitors. Quality signals are divided into commercial and supplementary.
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Commercial quality signals
Commercial quality signals apply not only to the website itself but to the business as a whole. These include: checkout steps, delivery and the number of delivery options, the quality of product descriptions and information in general, payment methods, etc. The signal shows how easy it is for users to find, select, purchase, and receive the product.
Resource value signal
Proper use of marketing tools and traffic italy cell phone database acquisition doesn't always indicate a resource's value. Proxima's metrics include a systematic analysis that includes product quality, the presence of a unique selling proposition, the company's overall positioning, information content, user perceptions of the website, and more. In other words, search engine rankings depend on how useful a resource is compared to similar ones and whether it helps meet customer needs.
Website trust signal
Users want to receive relevant, accurate, and expert information, so Yandex takes website content into account. It's important for the search engine that people see content they can trust. Trust factors primarily apply to resources covering complex topics where providing inaccurate information or misinterpreting information can be critical: finance, medicine, and law. Ranking algorithms prioritize resources that offer users clearer and more professionally written content.
Anti-Quality Algorithm
The Anti-Quality algorithm is designed to assess a business's reputation. It considers reviews of the company's products and services, responding to systematic negative responses and recurring issues. A one-time complaint from a dissatisfied customer or a few negative reviews amid consistently positive reviews won't affect the site's ranking, but instances where a company fails to deliver paid goods or refunds, attempts to demand additional payment, fails to fulfill contract terms, etc., will be considered fraudulent.

Surplus metric: assessing search quality
Surplus is a metric that reveals how quickly and successfully a user resolved their issue by interacting with search results. Yandex strives to best meet user needs, so any unsuccessful interactions reduce the surplus indicator and lower the site's ranking, while resources that successfully address the issue are promoted to the top. To address this metric, it's important to work on the structure and usability of pages so that users can find what they need as quickly as possible.
IndexNow: Changing Search Indexing
IndexNow is a protocol for instant indexing that notifies search engines of changes to a website. Previously, new content publications or updates to existing content were detected by search robots upon visiting the site, and the process of detecting changes could take quite a long time—from several days to several weeks. Thanks to rapid indexing of new pages, they will be available in search results almost immediately.