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Avoid chaining critical requests — 5 chains found Below is a list of Critical Request, which shows which resources are loaded with a high priority. All text remains visible during webfont lo Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading. Largest Contentful Paint element — 1 element found This is the element that was identified as the Largest Contentful Paint.

All Rights Reserved. The Sponsored Listings displayed above ar…. Performance budget It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget. Timing budget Set a timing budget to help you keep an eye on the performance of your site. Performant sites load fast and respond to user input events quickly. Network Requests Below is a list of network requests that made during load. Providing servers geographically closer to the user could improve performance.

Server Backend Latencies — 0 ms High server latencies indicate the server is overloaded or has a poor backend performance. Tasks Below is a list of the top-level main thread tasks that executed load. Diagnostics Below is a collection of useful vitals. View Data. Metrics Below is a collection of metrics. Metrics First Contentful Paint — 3. Largest Contentful Paint — 3. Learn More.

Time to Interactive — 4. First CPU Idle — 4. First Meaningful Paint — 3. Delivering smaller JS paylo may help with this. Minimize main-thread work — 2. Metrics Total Blocking Time — ms The total blocking time is the sum of all time periods between First Contentful Paint Time to Interactive when task length exceeded 50ms. Cumulative Layout Shift — 0. Max Potential First Input Delay — ms Users could experience a delay when interacting with the.

Estimated Input Latency — ms The time taken for to respond to input during the busiest 5 second window of load. Users are likely to perceive bdirty. First Contentful Paint 3G — ms The time taken for the first image or text on the to be rendered while on a 3G network. Reduce the impact of third-party code — Third-party code blocked the main thread for 1, ms It is advised to either limit, remove or delay the loading of redundant third-party code which may be ificantly impacting load performance. Does not use passive listeners to improve scrolling performance Improve the 's scroll performance by marking touch and wheel event listeners as 'passive'.

Each access key should be unique for proper. The contains a heading, skip link, or landmark region It is advised to provide ways to bypass repetitive content, allowing users to navigate the efficiently. Heading elements appear in a sequentially-descending order Properly ordered headings that do not skip levels convey the semantic structure of themaking it easier to navigate and understand when using assistive technologies.

ARIA input fields have accessible names When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Some ARIA parent roles cannot perform their intended functions if specific child roles are not used. ARIA toggle fields have accessible names When a toggle field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers.

Buttons have an accessible name Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when by screen readers and other assistive technologies. No form fields have multiple labels Form fields with multiple labels can be confusingly announced by assistive technologies like screen readers which use either the first, the last, or all of the labels. Form elements have associated labels Screen readers and other assistive technologies rely on labels to properly announce form controls.

Links have a discernible name In order to improve the for screen reader and other assistive technology users, use link text that is unique, focusable and discernible. Screen readers and other assistive technologies may produce poor and inaccurate output definition lists are not properly marked up. It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.

Use proper list structure to aid screen readers and other assistive technologies. Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience. Contrast Background and foreground colors do not have a sufficient contrast ratio.

Many if not most users find low-contrast text difficult or impossible to read. Expected contrast ratio of 4. When not provided, the user's default language setting will be used which may cause inaccuracies. For users with low vision who rely on screen magnification, ensure that zooming is not disabled. Manual Checks The has a logical tab order The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.

Interactive controls are keyboard focusable Ensure that custom interactive are keyboard focusable and that a focus indicator is displayed. Interactive elements indicate their purpose and state Ensure that interactive elements such as links and buttons are distinguishable from non-interactive elements and that they indicate their state. The user's focus is directed to new content added to the When new content such as a dialogue is added to thethe user's focus should be directed to it.

User focus is not accidentally trapped a region Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on. Custom controls have associated labels Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes. order on the follows DOM order Ensure that the DOM order matches with the visual order, in order to improve for screen readers and other assistive technologies. Offscreen content is hidden from assistive technology Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.

Audits Avoids requesting the geolocation permission on load When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users. Avoids requesting the notification permission on load When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Allows users to paste into password fields Ensure that password may be pasted into to aid in the user's ability to use password managers and improve security. Displays images with correct aspect ratio Ensure that image display dimensions match their natural aspect ratio.

Displays images with appropriate size Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. has the HTML doctype Ensure a doctype is specified to prevent the browser from switching to quirks-mode. Properly defines charset A character encoding declaration is required. Avoids Application Cache Application cache is and is no longer recommended.

No browser errors logged to the console Below is a list of all errors logged to the console, which indicate unresolved problems on the site.

Links have descriptive text Make use of descriptive link text to assist search engines in understanding the content. Document avoids plugins The content of plugins cannot be indexed by search engines and devices either restrict or do not support them.

Content Best Practices Document does not have a meta description Meta descriptions may be used by search engines when displaying a link to the and should concisely summarize the 's content. is blocked from indexing s that cannot be crawled by search engines cannot be indexed or included in their search. Ensure search engines have permission to crawl all s that should be indexed.

Document doesn't use legible font sizes — Fast and reliable load is enough on mobile networks Ensure that the lo fast enough over a cellular network, to ensure good mobile user experience. Content is sized correctly for the viewport Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens. Fast and reliable Current does not respond with a when offline In order for Progressive Web Apps to be made available offline, ensure that the app is using a service worker. Web app manifest does not meet the installability requirements User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.

Is not configured for a custom splash screen splash screens ensure a high-quality user experience at launch for app users. Does not set a theme color for the address bar. A theme may be applied to the browser address bar, which ideally can be made to match the site. Manifest doesn't have a maskable icon A maskable icon ensures that the image fills the entire shape without being letterboxed when installing the app on a device. Manual Checks Site works cross-browser Ensure that the Progressive Web App works correctly across every major browser.

transitions don't feel like they block on the network Users perceive apps with responsive, snappy transitions as peforming and ensures a great user experience, even on a slow network.

They should also be unique for the purpose of shareability on social media. Note: Registration information is derived from various sources and may be inaccurate. Show More. Note: Safety information is not guaranteed.

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