pristavrus.ru - Mobile Friendly Test

Pristavrus.ru Test Results

Pristavrus.ru Mobile Performance: 60/100

Quick overview:

Improve image delivery

Est savings of 553 KiB

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Render blocking requests

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Legacy JavaScript

Est savings of 28 KiB

Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support legacy browsers. Learn why most sites can deploy ES6+ code without transpiling

Use efficient cache lifetimes

Est savings of 2,962 KiB

A long cache lifetime can speed up repeat visits to your page. Learn more.

Document request latency

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Forced reflow

Many APIs, typically reading layout geometry, force the rendering engine to pause script execution in order to calculate the style and layout. Learn more about forced reflow and its mitigations.

Time to Interactive

17.0 s

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Font display

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Max Potential First Input Delay

140 ms

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Diagnostics

More information about the performance of your application. These numbers don't directly affect the Performance score.

Eliminate render-blocking resources

Est savings of 2,150 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn how to eliminate render-blocking resources.

Largest Contentful Paint element

5,710 ms

This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element

Reduce unused CSS

Est savings of 60 KiB

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Avoid serving legacy JavaScript to modern browsers

Est savings of 12 KiB

Avoid multiple page redirects

Est savings of 630 ms

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Minimize main-thread work

3.9 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Reduce unused JavaScript

Est savings of 830 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Reduce JavaScript execution time

2.2 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Serve images in next-gen formats

Est savings of 231 KiB

Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more about modern image formats.

Avoid enormous network payloads

Total size was 4,527 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Avoid an excessive DOM size

1,566 elements

A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows. Learn how to avoid an excessive DOM size.

Minify CSS

Est savings of 3 KiB

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

Ensure text remains visible during webfont load

Leverage the `font-display` CSS feature to ensure text is user-visible while webfonts are loading. Learn more about `font-display`.

Serve static assets with an efficient cache policy

30 resources found

A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.

Does not use passive listeners to improve scrolling performance

Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance. Learn more about adopting passive event listeners.

Use video formats for animated content

Est savings of 419 KiB

Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes. Learn more about efficient video formats

Defer offscreen images

Est savings of 776 KiB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn how to defer offscreen images.

Pristavrus.ru Mobile SEO: 85/100

Quick overview:

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Links are not crawlable

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Image elements do not have `[alt]` attributes

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Pristavrus.ru Mobile Best Practices: 83/100

Quick overview:

General

Missing source maps for large first-party JavaScript

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Trust and Safety

Does not use HTTPS

1 insecure request found

All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more about HTTPS.

Pristavrus.ru Mobile Accessibility: 82/100

Quick overview:

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Links do not have a discernible name

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Image elements do not have `[alt]` attributes

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Contrast

These are opportunities to improve the legibility of your content.

Background and foreground colors do not have a sufficient contrast ratio.

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

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