SEO-анализ сайта и рекомендации

Here is the SEO evaluation of the website sdibox.ru based on the provided HTML code:

**1. Page Title**: 8/10
The page title is set and is descriptive, but it's not very unique and doesn't contain the main keyword.

**2. Meta Description**: 6/10
The meta description is empty, which is not good for search engine rankings.

**3. Header Tags**: 7/10
The website uses H1-H4 header tags, but they are not well-structured and don't contain the main keyword.

**4. Keyword Density**: 5/10
The keyword density is not optimized, and the main keyword is not repeated enough throughout the content.

**5. Image Optimization**: 4/10
The images do not have alt tags, and the file names are not descriptive.

**6. Internal Linking**: 8/10
The website has a good internal linking structure, but some links are not descriptive.

**7. Mobile-Friendliness**: 9/10
The website is mobile-friendly, and the layout adapts well to different screen sizes.

**8. Page Speed**: 7/10
The page speed is average, and there are some opportunities for improvement.

**9. SSL Certificate**: 10/10
The website has an SSL certificate, which is essential for search engine rankings.

**10. Canonicalization**: 5/10
There is no canonical URL specified, which can lead to duplicate content issues.

**11. Robots.txt**: 5/10
The robots.txt file is not provided, which can lead to crawling issues.

**Recommendations:**

1. **Optimize the page title and meta description**: Make sure they are unique, descriptive, and contain the main keyword.
2. **Use header tags correctly**: Structure the content using header tags (H1-H6) and include the main keyword.
3. **Optimize images**: Add alt tags and descriptive file names to images.
4. **Improve internal linking**: Use descriptive anchor text for internal links and avoid using generic text like "Click here".
5. **Optimize page speed**: Minify CSS and JavaScript files, compress images, and leverage browser caching.
6. **Specify a canonical URL**: Add a canonical URL to avoid duplicate content issues.
7. **Create a robots.txt file**: Create a robots.txt file to specify crawling rules for search engines.

By implementing these recommendations, the website can improve its search engine rankings and user experience.