Lessons
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Introduction
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SEO
- Snippet's clickability in search engines
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Indexing
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Headings H1-H6
Images have the "alt" attribute.
The Title attribute of links
Content robots.txt
Duplicate "title"
Duplicate "description"
Human-understandable name of the picture
Rules for formatting text on a page
Micro-markup format requirements and recommendations
Validation microdata Google
Human-friendly link format
Errors in Robots.txt
The content of the site map
The site map file
Link formatting requirements
Hreflang tag
"canonical" tag
Spelling of interactive interface elements
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Speed
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Number of network requests
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An overabundance of small pictures
Grouping CSS files
Grouping JavaScript files
An overabundance of font files
Redirects when uploading files
Availability of end-to-end CSS, JS files
Uploading duplicate files
Using JavaScript facades
Redirecting JavaScript code
Redirect from/to www version
Using sprite technology
The video player is connected correctly
- General assessment
- Server Settings
- Showing the first content
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Size of graphic files
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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
The total size of all images on the page
Font Optimization
An overabundance of monochrome icons
The presence of a monochrome font
Data optimization:Image URLs
Animated image format MP4, WEBM, SVG instead of GIF and WEBP
Cropping monophonic fields in images
Using the WebP format in images
Too high-quality images without using compression
Suitable video bitrate
Excessively large images
- Server performance
- Blockages
- The amount of code
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Number of network requests
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Mobile adaptation
- Broken layout
- Convenience
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Software errors
- Code
- Mail operation
- Availability
- Server Settings
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Convenience
- Text readability
- Interface
- Visual defects
- Interaction with other programs
- Image Favicon
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Vulnerabilities
- Code
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Server Settings
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Uploading all page files via HTTPS
Strict-https header for increased security
Private access to service files
Encrypted IPv6 connection
Enabled error display in the north
SSL certificate validity
HTTPS Availability
Redirects to protected
Vulnerabilities of a secure SSL connection
HTTP headers for increased security
- Third-party services
Description Meta Tag
Studies confirm that the positions of sites in search results with a completed description are [17% higher] (https://freshchalk.com/blog/150k-small-business-website-teardown-2019 ), than with empty or unusable. Pay attention to its quality filling.
Researchers found that pages with a completed description have 17% higher positions in Google search results than pages with an empty description.
Search engines can independently generate text for snippets of search results, replacing the description with them. They often do this when the page description is not filled in or is irrelevant.
A large description in 4 lines looks much more attractive than a short one in 2 lines (150-160 characters).
Here are the basic rules for making a good description:
- The text must be relevant: contain keywords, match the content of the page.
- Length from 160. So that the descriptor occupies at least 3 lines in the search results interface. This way your site snippet will be more visible.
- The length is up to 280. A larger descriptor simply will not fit into the selected area and will be cut off.
- Read easily, be euphonious and interesting. Remember, you write it for people to click on the snippet in the search results.