Well, in a nutshell, keywords aren't case-sensitive. You don't need to use two different keywords. For example, one for upper case and one for lower case. You can make the search case-sensitive by using the upper case filter.
It is advisable to include the search phrases in the title tag, the meta description, the heading tag and the context to establish a keyword approach. If this is not the case, it may happen that the search engine does not consider the website relevant to a specific keyword search and, therefore, places it lower in the ranking or does not include it at all in the SERP. Currently, keywords are not case-sensitive, since Google interprets all searches in lower case. However, in the future, Google could introduce a case-sensitive and case-sensitive search for keywords would be important.
Once you learn the ins and outs, you can think about using upper and lower case letters in your SEO keywords. How SEO helps in digital marketing Search engine optimization or SEO, as it is popularly known, plays a crucial role in digital marketing. In daylight, I mean, your ranking in SERPs (search engine result pages) increases, increasing traffic from visitors or potential customers, as the case may be. Of course, the keywords themselves will give you a solid idea of the intent of the people searching for them.
Once you've explained what the distinction between upper and lower case letters is, you may begin to wonder if search engines, which are also computer programming, employ programming that distinguishes. This, combined with the various online sources of information, allows you to search for exactly what you have in mind. Too frequent use of relevant keywords on a page (filled with keywords) can even result in an exclusion from the search engine index. The relevance of a document is determined by a search engine that uses a keyword analyzer and checks if that page matches a search query.
As customers use keywords in search of products and services, websites and brands also use keywords to create their content, which is then used for SEO. The most searched keywords of the year appear in Google Zeitgeist and a website operator or SEO can detect future trends with them. By definition, a keyword is an informational word that is used in an information retrieval system to indicate the content of a document with the expectation of obtaining a matching search result. For example, searching for “marketing courses” in London would return the same results as typing “marketing courses” in London.
It doesn't matter if the search query is in upper or lower case letters, Google can read and identify it. Keywords are still an extremely important part of your SEO strategy and are really something you should master in your blog posts.