crimea-radio.ru - Радио Крым -

Crimea-radio.ru Site Title

Радио Крым -

Crimea-radio.ru Test Results

Crimea-radio.ru Desktop Performance: 70/100

Quick overview:

Opportunities

These suggestions can help your page load faster. They don't directly affect the Performance score.

Enable text compression. Potential savings of 501 KB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.

Reduce server response times (TTFB). Root document took 1,350 ms

Time To First Byte identifies the time at which your server sends a response. Learn more.

Remove unused CSS. Potential savings of 610 KB

Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity. Learn more.

Eliminate render-blocking resources. Potential savings of 470 ms

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

Minify JavaScript. Potential savings of 233 KB

Minifying JavaScript files can reduce payload sizes and script parse time. Learn more.

Properly size images. Potential savings of 148 KB

Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.

Serve images in next-gen formats. Potential savings of 195 KB

Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.

Diagnostics

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

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.

Serve static assets with an efficient cache policy

73 resources found

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

Avoids enormous network payloads

Total size was 2,496 KB

Large network payloads cost users real money and are highly correlated with long load times. Learn more.

Avoid chaining critical requests

31 chains found

The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.

Keep request counts low and transfer sizes small

98 requests • 2,619 KB

To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Crimea-radio.ru Desktop SEO: 91/100

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.

Crimea-radio.ru Desktop Best Practices: 54/100

Quick overview:

Uses `document.write()`

For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. Learn more.

Does not use HTTPS

47 insecure requests found

All sites should be protected with HTTPS, even ones that don't handle sensitive data. 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.

Includes front-end JavaScript libraries with known security vulnerabilities

2 vulnerabilities detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers. Learn more.

Links to cross-origin destinations are unsafe

Add `rel="noopener"` or `rel="noreferrer"` to any external links to improve performance and prevent security vulnerabilities. Learn more.

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

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.

Crimea-radio.ru Desktop Progressive Web App: 31/100

Quick overview:

PWA Optimized

Does not redirect HTTP traffic to HTTPS

If you've already set up HTTPS, make sure that you redirect all HTTP traffic to HTTPS in order to enable secure web features for all your users. Learn more.

Fast and reliable

Page load is not fast enough on mobile networks

Interactive on simulated mobile network at 15.0 s

A fast page load over a cellular network ensures a good mobile user experience. Learn more. Your page loads too slowly and is not interactive within 10 seconds. Look at the opportunities and diagnostics in the "Performance" section to learn how to improve.

`start_url` does not respond with a 200 when offline

A service worker enables your web app to be reliable in unpredictable network conditions. Learn more. The start_url did respond, but not via a service worker.

Current page does not respond with a 200 when offline

If you're building a Progressive Web App, consider using a service worker so that your app can work offline. Learn more.

Installable

Does not use HTTPS

47 insecure requests found

Does not register a service worker that controls page and `start_url`

The service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. Learn more.

Crimea-radio.ru Desktop Accessibility: 83/100

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.

`<frame>` or `<iframe>` elements do not have a title

Screen reader users rely on frame titles to describe the contents of frames. Learn more.

Buttons do not have an accessible name

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn more.

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 more.

Form elements do not have associated labels

Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more.

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