Errors in hreflang attributes: what are they and how to fix them
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.
How many GET parameters can be in the page URL
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.
What is input type = "password" and how does this field threaten the user's security
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.
What is the Body tag and what should be present in it
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.
What pages should be closed from indexing in Google
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.