Performance report for vi.wikipedia.org

The Meta Description is the description of your site that appears in search results and is a very important metric for SEO. Ideally, it should be between 120-160 characters.

The H1 tag represents the main heading of your site and each page on your site should have exactly one, and not more than one.

Alt tags in images are used to describe what the image contains. They are crucial for making your images more comprehensible to search engines, explaining to users what the image is when it fails to load, and allowing some screen readers to interpret your images. Therefore, having alt tags for your images is very important for the health of your site.

The Meta Title represents the title of the page in search results and tabs. Ideally, it should be between 50-60 characters.

Specifying the space that images will occupy before they are loaded is very important for page layout. Therefore, the area that images will occupy should be defined in advance before they are loaded.

OG tags, also known as Open Graph Protocol, are used to define the title, description, image, and link information that appears when your website is shared on social media. Having these tags on your site makes your shares on social media more effective.

Displays browser console errors that occur while your site is loading. Some of these errors may be critical, while others might be less significant.