Lessons
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Introduction
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Search engine optimization
- Broken links
- Site map
- Micro-markup
- Robots.txt
- References
- Text
- Duplicates
- Basic
- Pictures
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Speed
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Minification
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CSS minification
Minification of JavaScript files
Minification of inline CSS code
Minification of images without loss of quality
Minification of JavaScript files
Unused CSS code
Data optimization:Image URLs
Format of animated images
Unused JavaScript code
Using WebP
Image compression is missing
Video bitrate
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Reducing requests
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An overabundance of small pictures
Ungrouped CSS files
Ungrouped JavaScript files
An overabundance of fonts
Availability of end-to-end CSS, JS files
The presence of a monochrome font
Uploading duplicate files
Using JS facades
Redirecting JavaScript code
Adding lazy loading
Redirect from/to www version
- Fonts
- Loading time
- Server Settings
- Pictures
- The first content
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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 computer monitor
Adapting the layout for the tablet
Adapting the layout for the phone
Screenshots for the mini report
Broken layout
- 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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Security
- Encrypted connection
- Exploits
- Vulnerabilities
Adapting the layout to a computer monitor
If the page is wider than 1920 pixels, then the browser will have a horizontal scroll bar at the bottom. For several decades now, websites have scrolled only up and down, but not left/right. The presence of such scrolling is a sign of problems with the display of the page.
Sometimes left-to-right scrolling may be absent, but at the same time our tool shows its presence. Remember that search engine robots, like our service, determine the screen width programmatically, not visually. Therefore, it is necessary to ensure that the software gives the correct value. To check what information the browser provides about the screen width, run the JavaScript code document.body.scrollWidth in the browser console on your page. It will return the page width in pixels.