Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

radiotexnika.ru

Радиотехника: микросхемы, транзисторы, конденсаторы, диоды - магазин радиодеталей

Page Load Speed

3.7 sec in total

First Response

882 ms

Resources Loaded

2.7 sec

Page Rendered

173 ms

radiotexnika.ru screenshot

About Website

Click here to check amazing Radiotexnika content for Russia. Otherwise, check out these important facts you probably never knew about radiotexnika.ru

Радиотехника - информационный портал для радиолюбителей. Здесь вы найдете справочник данных по различным радиодеталям - диодам, микросхемам, конденсаторам и др., схемы радиоконструкторов, интернет маг...

Visit radiotexnika.ru

Key Findings

We analyzed Radiotexnika.ru page load time and found that the first response time was 882 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

radiotexnika.ru performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

radiotexnika.ru

882 ms

style2.css

399 ms

lib.js

266 ms

jquery.js

808 ms

88x31_darkblue.gif

258 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 76% of them (19 requests) were addressed to the original Radiotexnika.ru, 8% (2 requests) were made to Counter.yadro.ru and 4% (1 request) were made to Img.chipfind.ru. The less responsive or slowest element that took the longest time to load (882 ms) belongs to the original domain Radiotexnika.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.4 kB (76%)

Content Size

122.1 kB

After Optimization

28.8 kB

In fact, the total size of Radiotexnika.ru main page is 122.1 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. Only 5% of websites need less resources to load. Javascripts take 70.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.1 kB

  • Original 34.3 kB
  • After minification 29.7 kB
  • After compression 6.2 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. This page needs HTML code to be minified as it can gain 4.6 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 28.1 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 40 B

  • Original 7.3 kB
  • After minification 7.3 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. Radiotexnika images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 57.3 kB

  • Original 70.0 kB
  • After minification 40.3 kB
  • After compression 12.7 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 57.3 kB or 82% of the original size.

CSS Optimization

-76%

Potential reduce by 7.9 kB

  • Original 10.4 kB
  • After minification 9.1 kB
  • After compression 2.5 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. Radiotexnika.ru needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (48%)

Requests Now

23

After Optimization

12

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radiotexnika. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

radiotexnika.ru accessibility score

73

Accessibility Issues

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Best Practices

radiotexnika.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

High

Browser errors were logged to the console

SEO Factors

radiotexnika.ru SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radiotexnika.ru 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 Radiotexnika.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Radiotexnika. 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: