It is desirable that the percentage of spam is no higher than 10%. Although it all depends on the service. For example, on Text.ru the optimal indicator is up to 55-60%, and this applies not only to keywords, but to any words in the text (their overspam is also not welcome, it makes the text tautological, difficult to read). To reduce overspam, you should use synonyms in the text more often and not repeat what has already been said.
Semantic core (SC)
Collecting a semantic core for successful website promotion is not nepal cell phone number list an easy task. The semantic core implies a set of words and phrases for which the page is optimized. Key queries should be not only in the text, but also in meta tags, as well as in image attributes. This makes the page more thematic and, if approached correctly, does not overload it. To compile a semantic core, you can use Wordstat or other similar services. Parsers also help - programs or scripts that collect and analyze data, and then display key queries. Tools such as SEMrush, Ahrefs are also often used.
Results
Text SEO analysis of a website includes a wide range of works. The main ones are:
checking the content's compliance with the resource's subject matter;
checking the presence and relevance of keywords and phrases;
analysis of links (if they are present in the text), checking their relevance, removing non-working anchors;
compilation of a semantic core taking into account competitors' websites.
Important: for successful website promotion, analytical tools like Google Analytics must be installed on it. It is necessary to regularly evaluate traffic indicators and behavioral factors. The main task of SEO text analysis is to identify problem areas, and then develop a strategy and conduct optimization to improve the site's position in search engines. Text SEO analysis should be carried out by an experienced specialist who is well versed in the services and necessary software. He must be able to analyze data, know the technical aspects of web development, and be able to draw up technical specifications for a copywriter. It is important that this is an expert who not only has all the skills, but also knows how to adapt to changing search engine algorithms.