Denys Kondak

Problems with hreflang are mainly caused by typos, the use of incorrect codes and non-existent links. If there are errors, the crawler ignores this attribute.

Multiple GET parameters are transferred upon every request to the server. There shouldn't be too many parameters to make them easier to control from the side of the browser and server. Otherwise, the search engine will perceive different pages as duplicates.

Using <input type="password"> on web pages with the HTTP protocol is unsafe because hackers can steal user data. User data protection is provided by using the HTTPS protocol.

The Body tag is an important element that contains all the content displayed on a web page in a browser. It must be filled in correctly in order for the page to look and be successfully ranked in search engines.

The website content should be informative and useful for the user, and relevant pages should be open for search crawling. However, there are cases when indexing a page is undesirable and may reduce the optimization effect.