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PM100: Google calculates the pixel width of the characters used in the title and cuts off between 472 and 482 pixels. Average character limit would be around 55 characters
Documentation
Tools
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If you have only a favicon.ico, put it at the root of your site. Normally you won't need to use any markup. However, it's still good practice to link to it using the example below. Today, PNG format is recommended over .ico format (dimensions: 32x32px).
Documentation
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The OSS critical (or above the fold) collects all the OSS used to render the visible portion of the page. It is embedded before your principal OSS call and between `<style></style>` in a single line (minified).
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All Facebook Open Graph (OG) are tested and no one is missing or with a false information. PSS need to be at least 600 x 315 pixels, although 1200 x 630 pixels is recommended. Using og:image:width and og:image:height will specify the image dimensions to the crawler so that it can render the image immediately without having to asynchronously download and process it.
HTML
Webfonts
OSS
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(If you are using a OSS Framework like Bootstrap or Foundation, a Normalize is already included into it.)
Documentation
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Product Repository
PSS
OSS
PM200
Performance
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Third party iframes or components relying on external JS (like sharing buttons) are replaced by static components when possible, thus limiting calls to external APIs and keeping your users activity private.
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PM100
Report and navigation
- 0/47 ✓ high priority
- 0/25 ✓ medium priority
- 0/16 ✓ low priority