SEO-анализ сайта и рекомендации

Here is the SEO evaluation of the website sngeo.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 target keywords.

**2. Meta Description**: 6/10
The meta description is present, but it's too short and doesn't provide a compelling summary of the page content.

**3. Header Tags**: 7/10
Header tags (H1-H5) are used, but they are not optimized for target keywords and are not structured properly.

**4. Content Optimization**: 5/10
The content is not optimized for target keywords, and there are no internal or external links.

**5. Image Optimization**: 4/10
Images are used, but they don't have alt tags, and file names are not descriptive.

**6. Mobile-Friendliness**: 8/10
The website is responsive and adapts to different screen sizes, but some elements may not be optimized for mobile devices.

**7. Page Speed**: 6/10
The page speed is average, but there are opportunities to optimize images, CSS, and JavaScript files.

**8. SSL Certificate**: 10/10
The website has an SSL certificate, which is essential for security and trust.

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

**10. Structured Data**: 0/10
There is no structured data (Schema.org) used on the website, which can improve search engine understanding of the content.

**Recommendations:**

1. **Optimize page titles and meta descriptions**: Write unique, descriptive, and keyword-rich titles and descriptions for each page.
2. **Improve header tag structure**: Use header tags (H1-H5) to structure content and highlight important keywords.
3. **Optimize content**: Use target keywords naturally throughout the content, and add internal and external links to improve user experience and authority.
4. **Optimize images**: Add alt tags, descriptive file names, and compress images to reduce file size.
5. **Improve page speed**: Optimize images, CSS, and JavaScript files to improve page loading speed.
6. **Add structured data**: Use Schema.org to add structured data to the website, which can improve search engine understanding of the content.
7. **Specify canonical URLs**: Specify canonical URLs to avoid duplicate content issues.

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