SEO-анализ сайта и рекомендации

Here is the SEO evaluation of the website lab-sud-exp.ru based on the provided HTML code:

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

**2. Meta Description**: 7/10
The meta description is present, but it's not descriptive and doesn't contain the main keyword.

**3. Keywords**: 5/10
The meta keywords tag is present, but it's not recommended by search engines and doesn't provide any value.

**4. Header Tags**: 8/10
Header tags (H1-H6) are used, but there is only one H1 tag, and it's not descriptive.

**5. Content Quality**: 6/10
The content is present, but it's not optimized for keywords, and there are no subheadings or breaks in the text.

**6. Image Optimization**: 2/10
There are no alt tags or descriptive text for images.

**7. Internal Linking**: 5/10
There are some internal links, but they are not descriptive and don't use anchor text.

**8. Mobile-Friendliness**: 8/10
The website is responsive and adapts to mobile devices.

**9. Page Speed**: 6/10
The page speed is average, but there are some optimization opportunities.

**10. SSL**: 10/10
The website uses HTTPS, which is a positive factor for SEO.

**11. Meta Robots**: 5/10
The meta robots tag is not present, which means that search engines will crawl and index the page by default.

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

**Recommendations:**

1. Optimize the page title and meta description for each page to include the main keyword and be more descriptive.
2. Use header tags (H1-H6) to structure the content and highlight important keywords.
3. Optimize images by adding alt tags and descriptive text.
4. Use descriptive anchor text for internal links.
5. Improve content quality by breaking up the text into smaller paragraphs and using subheadings.
6. Specify a canonical URL for each page to avoid duplicate content issues.
7. Consider adding a meta robots tag to control how search engines crawl and index the page.
8. Optimize page speed by compressing images and minifying CSS and JavaScript files.

By addressing these issues, the website can improve its SEO performance and increase its visibility in search engines.