Tools & Wizards About Us
radiolibrary.ru screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

radiolibrary.ru

Справочник радиолюбителя - RadioLibrary

Page Load Speed

3.4 sec in total

First Response

500 ms

Resources Loaded

2.8 sec

Page Rendered

140 ms

radiolibrary.ru screenshot

About Website

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

Справочник радиолюбителя

Visit radiolibrary.ru

Key Findings

We analyzed Radiolibrary.ru page load time and found that the first response time was 500 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

radiolibrary.ru performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value15.0 s

7/100

10%

Network Requests Diagram

radiolibrary.ru

500 ms

www.radiolibrary.ru

724 ms

style_new.css

141 ms

css.css

278 ms

decoderesistor.js

425 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 58% of them (11 requests) were addressed to the original Radiolibrary.ru, 11% (2 requests) were made to Yandex.ru and 5% (1 request) were made to Ads.digitalcaramel.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.0 kB (40%)

Content Size

40.0 kB

After Optimization

24.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Radiolibrary.ru main page is 40.0 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. 15% of websites need less resources to load. Images take 20.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 14.6 kB

  • Original 19.0 kB
  • After minification 16.2 kB
  • After compression 4.4 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 2.8 kB, which is 15% 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 14.6 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 1.4 kB

  • Original 20.1 kB
  • After minification 18.7 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 Library images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 21 B

  • Original 896 B
  • After minification 896 B
  • After compression 875 B

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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 3 (27%)

Requests Now

11

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

radiolibrary.ru

radiolibrary.ru

500 ms

www.radiolibrary.ru

www.radiolibrary.ru

724 ms

style_new.css

style_new.css

141 ms

css.css

css.css

278 ms

decoderesistor.js

decoderesistor.js

425 ms

header-bidding.js

header-bidding.js

708 ms

radiolibrary.ru.js

radiolibrary.ru.js

545 ms

context.js

context.js

1077 ms

watch.js

watch.js

1 ms

bg2.jpg

bg2.jpg

139 ms

home2.gif

home2.gif

143 ms

arv_btn.png

arv_btn.png

785 ms

map2.gif

map2.gif

144 ms

letter2.gif

letter2.gif

147 ms

_bg2.jpg

_bg2.jpg

267 ms

q13.gif

q13.gif

269 ms

context.js

context.js

1003 ms

hit

hit

646 ms

counter2

counter2

249 ms

Accessibility Review

radiolibrary.ru accessibility score

72

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.

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

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

radiolibrary.ru best practices score

58

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

radiolibrary.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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radiolibrary.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Radiolibrary.ru 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

radiolibrary.ru

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