Data Freshness: Phone Numbers
Continuing the series of data freshness analyzers, this one estimates the quality of phone numbers' search.
The growing figures of outdated numbers in search results are mostly affected by the mass phones changing in Russia. Undoubtedly, actual company's contacts are very important for both the clients and the staff. The timely measures taken by search engines prevent the firms from losing new clients and the customers from the irritation caused by unsuccessful search process.
The queries in the analyzer are the names of companies, that have lately changed their contacts. Any web page containing the up-to-date information increases the search engine's score in this analyzer. Otherwise, the score is decreased for any page which only contains outdated information. The pages which contain neither old nor updated information are left out of account. It is to be said that the cases when the dialling code is significant for appreciating (for instance, 8 (499) xxx-xx-xx in Moscow) are also taken into account.
As the quality coefficient we use the share of web pages with actual phones.
 90−100%- 80−90%
- 60−80%
- 40−60%
- 20−40%
- 0−20%
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