Tools & Wizards About Us
yadonor.ru screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

yadonor.ru

Служба крови - Как стать донором крови в России? Хотите узнать, что нужно сделать, чтоб стать донором крови в Москве, Московской области и других горо...

Page Load Speed

4 sec in total

First Response

679 ms

Resources Loaded

3 sec

Page Rendered

290 ms

yadonor.ru screenshot

About Website

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

Информация для доноров от Службы Крови: как стать донором в Москве или Московской области и других городах России. Служба переливания крови подскажет Вам как стать донором крови и спасти человеческую ...

Visit yadonor.ru

Key Findings

We analyzed Yadonor.ru page load time and found that the first response time was 679 ms and then it took 3.3 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

yadonor.ru performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

yadonor.ru

679 ms

style.css

133 ms

require-jquery.js

523 ms

odkl_share.js

467 ms

colorbox.css

145 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 82% of them (42 requests) were addressed to the original Yadonor.ru, 10% (5 requests) were made to Google-analytics.com and 4% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Yadonor.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 717.3 kB (34%)

Content Size

2.1 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yadonor.ru main page is 2.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 105.2 kB

  • Original 121.0 kB
  • After minification 117.6 kB
  • After compression 15.8 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 105.2 kB or 87% of the original size.

Image Optimization

-6%

Potential reduce by 72.9 kB

  • Original 1.2 MB
  • After minification 1.2 MB

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. Yadonor images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 483.4 kB

  • Original 698.2 kB
  • After minification 698.2 kB
  • After compression 214.9 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 483.4 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 55.7 kB

  • Original 67.4 kB
  • After minification 64.8 kB
  • After compression 11.7 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. Yadonor.ru needs all CSS files to be minified and compressed as it can save up to 55.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (8%)

Requests Now

48

After Optimization

44

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yadonor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

yadonor.ru

yadonor.ru

679 ms

style.css

style.css

133 ms

require-jquery.js

require-jquery.js

523 ms

odkl_share.js

odkl_share.js

467 ms

colorbox.css

colorbox.css

145 ms

odkl_share.js

odkl_share.js

317 ms

site.js

site.js

523 ms

top-logo.gif

top-logo.gif

129 ms

i-see.gif

i-see.gif

256 ms

menu.gif

menu.gif

257 ms

i-soc.png

i-soc.png

260 ms

instagram_icon.png

instagram_icon.png

259 ms

i-rss.gif

i-rss.gif

258 ms

i-search.gif

i-search.gif

383 ms

arrow-slider.png

arrow-slider.png

384 ms

preview.jpg

preview.jpg

514 ms

0_banner-donor-263X77-02.jpg

0_banner-donor-263X77-02.jpg

643 ms

0_banner-muzarteriya-263%D1%8577.png

0_banner-muzarteriya-263%D1%8577.png

517 ms

banner.jpg

banner.jpg

787 ms

0_banner-donor-12330X272-03.jpg

0_banner-donor-12330X272-03.jpg

1059 ms

banner-muzarteriya-1230x272.png

banner-muzarteriya-1230x272.png

1536 ms

forum-yadonor.jpg

forum-yadonor.jpg

769 ms

b-map.gif

b-map.gif

644 ms

pic_240x133_3.jpg

pic_240x133_3.jpg

898 ms

1-bul.gif

1-bul.gif

771 ms

int1602min.jpg

int1602min.jpg

1026 ms

widget_op_but.png

widget_op_but.png

899 ms

pcode.php

pcode.php

1076 ms

resize.php

resize.php

1032 ms

resize.php

resize.php

1030 ms

resize.php

resize.php

1157 ms

resize.php

resize.php

1164 ms

resize.php

resize.php

1165 ms

resize.php

resize.php

1188 ms

resize.php

resize.php

1205 ms

resize.php

resize.php

1290 ms

0.gif

0.gif

1292 ms

admin_spk.png

admin_spk.png

1293 ms

logo_msr.gif

logo_msr.gif

1297 ms

logo_fmba.gif

logo_fmba.gif

1314 ms

bc-fmba.gif

bc-fmba.gif

1397 ms

hit

hit

267 ms

ga.js

ga.js

31 ms

analytics.js

analytics.js

51 ms

__utm.gif

__utm.gif

12 ms

collect

collect

11 ms

hit

hit

131 ms

arrow-down.png

arrow-down.png

1063 ms

controls.png

controls.png

1063 ms

loading.gif

loading.gif

1087 ms

collect

collect

11 ms

Accessibility Review

yadonor.ru accessibility score

95

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

Links do not have a discernible name

Best Practices

yadonor.ru best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

yadonor.ru SEO score

91

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

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 Yadonor.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 Yadonor.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

yadonor.ru

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