fenikslms.ru - СДО школы "Феникс"

Fenikslms.ru Site Title

СДО школы "Феникс"

Fenikslms.ru Test Results

Fenikslms.ru Mobile Performance: 74/100

Quick overview:

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.

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.

Use efficient cache lifetimes

Est savings of 200 KiB

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

Legacy JavaScript

Est savings of 42 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

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.

Time to Interactive

11.6 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.

Diagnostics

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

Largest Contentful Paint element

4,300 ms

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

Eliminate render-blocking resources

Est savings of 3,040 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.

Reduce unused CSS

Est savings of 143 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.

Reduce unused JavaScript

Est savings of 870 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.

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.

Avoid serving legacy JavaScript to modern browsers

Est savings of 11 KiB

Serve static assets with an efficient cache policy

21 resources found

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

Defer offscreen images

Est savings of 10 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.

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`.

Fenikslms.ru Mobile SEO: 90/100

Quick overview:

Content Best Practices

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

Document does not have a meta description

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Fenikslms.ru Mobile Best Practices: 79/100

Quick overview:

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.

General

Browser errors were logged to the console

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

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.

Fenikslms.ru Mobile Accessibility: 91/100

Quick overview:

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more about proper list structure.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Heading elements are not in a sequentially-descending order

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

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