Lessons
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Introduction
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SEO
- Broken links
- Site map
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Semantic markup
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Semantic markup format requirements and recommendations
Validation of semantic markup Yandex and Google
- Robots.txt
- References
- Text
- Duplicates
- Basic
- Pictures
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Speed
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Minification
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Minification of CSS to reduce its volume
Minification of the embedded JavaScript code of the page
Minification of the embedded CSS code of the page
Minification of images without loss of quality
Minification of JavaScript files to reduce its volume
Unused CSS code
Data optimization:Image URLs
Animated image format MP4, WEBM, SVG instead of GIF and WEBP
Unused JavaScript code
Using the WebP format in images
Too high-quality images without using compression
Suitable video bitrate
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Reducing requests
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An overabundance of small pictures
Grouping CSS files
Grouping JavaScript files
An overabundance of font files
Availability of end-to-end CSS, JS files
The presence of a monochrome font
Uploading duplicate files
Using JavaScript facades
Redirecting JavaScript code
Adding lazy loading
Redirect from/to www version
- Fonts
- Loading time
- Server Settings
- Pictures
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The first content
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The sequence of connecting JavaScript files
Font display mode
Setting up a pre-connection
Removing lazy loading
Long JavaScript code execution time
File upload delayed or on demand
The server is located in the same country where the users of the site live
No requests to another country that cause page loading to be blocked
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Minification
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Mobility
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Screen support
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Adapting the layout to a Full HD computer monitor
Adapting the layout for a horizontal tablet
Adapting the layout for a horizontal phone
Screenshots for the mini-report
How blocks break the page layout
Adapting the layout to an HD computer monitor
Adapting the layout for a vertical tablet
Adapting the layout for a vertical phone
- Comfort
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Screen support
- Bugs
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Convenience
- Social networks
- Web Application Manifest
- Favicons
- Basic
- Text readability
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Vulnerabilities
- Encrypted connection
- Exploits
- Vulnerabilities
Validation of semantic markup Yandex and Google
Semantic markup will tell search engines a maximum of useful information in a structured form. No matter how good search engines are, they cannot determine the purpose and ownership of information. For example, when a search engine sees the date, it won’t be able to figure out what it is: the date the page was updated, the date the product was manufactured, or maybe it’s the date the product review was published. Semantic markup helps to clearly define what this or that information is. This helps search engines better understand the content of the site, which is why they often show you for low-frequency queries.
We are checking the following Semantic markup schemes. Implement the maximum from this list on your site:
- Organization. Yandex, Google 1, Google 2.
- Bread crumbs. Yandex, Google.
- Programs.Yandex, Google.
- Abstracts. Yandex.
- Article. [Google](https://developers.google.com/search/docs/appearance/structured-data/article ?hl=ru).
- Recipes. Yandex, Google.
- Goods. Yandex 1, Yandex 2, Google.
- Product catalog. Yandex.
- The movie. Yandex, Google.
- Video. Google.
- Images. Yandex, Гугл.
- Vacancies. Google.
- Frequently Asked questions. [Google](https://developers.google.com/search/docs/appearance/structured-data/faqpage ?hl=ru)
- Forum. Google
The following are unsupported schemes due to their irrelevance (not supported in Russia or there is a more modern alternative) or narrow specialization (no more than 10 sites need such schemes).
- Actions with the book. Google. Available only to suppliers with a wide range of books.
- Carousel. Google. They are used for highly specialized businesses such as course aggregators, movie reviews, recipe catalogues, and restaurant aggregators. Such sites must be manually moderated by Google before the information from them will be used in rich snippets.
- Information about the course. Google 1, Google 2. A rare business. There are no more than 10 sites in Russia that sell courses en masse.
- A set of data. Google. Almost no business in Russia.
- A question about the curriculum. Google. It’s hard to find a website that specializes in this.
- Employer rating. Google. Only for job search sites. There are only 4 of them.
- Estimated salary. Google. Only for job search sites. There are only 4 of them.
- Fact-checking. [Google](https://developers.google.com/search/docs/appearance/structured-data/factcheck ?hl=ru). It’s hard to find a website that specializes in this.
- Home classes. Google. The share of SEO traffic from rich snippets in this niche is insignificant.
- Mathematical service. Google. A very specific business.
- A practical task. [Google](https://developers.google.com/search/docs/appearance/structured-data/practice-problems ?hl=ru). The share of SEO traffic from rich snippets in this niche is insignificant.
- Profile page. [Google](https://developers.google.com/search/docs/appearance/structured-data/profile-page ?hl=ru). It is relevant for social networks, of which there are 2 pieces.
- Feedback. Google. Pre-moderation from Google is required.
- Voiced text. Google. A rarely used feature.
- Special messages. Гугл. A rarely used feature.
- Subscriptions and paid content. Гугл. Not supported in Russia.
- Holiday accommodation. Google. Relevant only for housing aggregator sites.
- Assortment of cars. Google. Not supported in Russia.
- Questions and answers. Google. No more than 5 sites specialize in this.
- An event. Google. Not supported in Russia.
- Products, as an aggregator of product reviews, when the Review or aggregating properties are specified. Google.
- hCard. Yandex. There is a more advanced semantic markup format [organization] (https://yandex.ru/support/webmaster/supported-schemas/address-organization.html ).
- hRecipe. Yandex. There is a more advanced semantic markup format [recipes] (https://yandex.ru/support/webmaster/supported-schemas/recipe.html ).