Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

radioradar.net

Радиоэлектроника, даташиты, схемы - RadioRadar

Page Load Speed

4 sec in total

First Response

152 ms

Resources Loaded

3.6 sec

Page Rendered

307 ms

radioradar.net screenshot

About Website

Visit radioradar.net now to see the best up-to-date Radio Radar content for Russia and also check out these interesting facts you probably never knew about radioradar.net

Радиоэлектроника для всех. Схемы, даташиты, service manuals, транзисторы - вся электроника у нас.

Visit radioradar.net

Key Findings

We analyzed Radioradar.net page load time and found that the first response time was 152 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

radioradar.net performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value1,410 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

radioradar.net

152 ms

www.radioradar.net

1354 ms

A.main.css.pagespeed.cf.geoJxhlPwB.css

89 ms

main.js.pagespeed.jm.qFPsyCn6lR.js

119 ms

context.js

226 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 44% of them (24 requests) were addressed to the original Radioradar.net, 9% (5 requests) were made to Google-analytics.com and 5% (3 requests) were made to Pixel-geo.prfct.co. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Radioradar.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 315.6 kB (47%)

Content Size

669.3 kB

After Optimization

353.7 kB

In fact, the total size of Radioradar.net main page is 669.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 230.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 162.1 kB

  • Original 192.9 kB
  • After minification 190.2 kB
  • After compression 30.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 162.1 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

  • Original 201.1 kB
  • After minification 200.0 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Radio Radar images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 117.6 kB

  • Original 230.8 kB
  • After minification 230.7 kB
  • After compression 113.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 117.6 kB or 51% of the original size.

CSS Optimization

-78%

Potential reduce by 34.9 kB

  • Original 44.6 kB
  • After minification 44.5 kB
  • After compression 9.8 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Radioradar.net needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (72%)

Requests Now

50

After Optimization

14

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Radar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

radioradar.net accessibility score

86

Accessibility Issues

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.

Impact

Issue

High

Buttons do not have an accessible name

High

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

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

radioradar.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

radioradar.net SEO score

96

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radioradar.net can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Radioradar.net main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Radio Radar. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: