SEO вопросы и ответы для интервью
Вопрос 46. What is image alt text?
A search engine cannot understand an image or what it is about. So, to give it an idea, the image alt text helps. It is an HTML attribute. If for some reason, the image is unable to be displayed on a browser, one can read the alt tags and understand what the image is about.
Вопрос 47. What is referral traffic?
Referral traffic is the visits that you get from uncrawlable websites like getting traffic from a link within an email or social media.
Вопрос 48. What is a canonical URL?
If a page is accessible by several URLs or several pages have similar content (e.g., pages with both mobile and desktop versions), Google will see these as duplicates and will pick one as the canonical version to crawl unless you specify the canonical URL.
Вопрос 49. What is a sitemap in SEO?
It lists the web pages and the frequency of updates. It is also called an XML (extensible markup language) sitemap and is meant only for search engines. Through this, the search engines will know that they are supposed to crawl and index important pages frequently.
Вопрос 50. What is Google algorithm?
Google algorithm is a set of rules. These rules help the search engine to find on the web the relevant search results to a search query by a user. It uses several factors to rank a web page for specific keywords. They are updated every year.
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