Tools & Wizards About Us
dcnn.ru screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

dcnn.ru

ГБУЗ НО Клинический диагностический центр

Page Load Speed

10.2 sec in total

First Response

1.1 sec

Resources Loaded

8.4 sec

Page Rendered

620 ms

dcnn.ru screenshot

About Website

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

Клинический Диагностический центр

Visit dcnn.ru

Key Findings

We analyzed Dcnn.ru page load time and found that the first response time was 1.1 sec and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

dcnn.ru performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

Network Requests Diagram

dcnn.ru

1117 ms

jquery-3.4.1.min.js

704 ms

style.css

424 ms

content.css

430 ms

bootstrap.css

1000 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 82% of them (63 requests) were addressed to the original Dcnn.ru, 4% (3 requests) were made to Pos.gosuslugi.ru and 4% (3 requests) were made to Site.yandex.net. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Dcnn.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (47%)

Content Size

2.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dcnn.ru main page is 2.2 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. 45% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 96.4 kB

  • Original 120.6 kB
  • After minification 113.5 kB
  • After compression 24.1 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 96.4 kB or 80% of the original size.

Image Optimization

-14%

Potential reduce by 78.5 kB

  • Original 559.5 kB
  • After minification 480.9 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. Obviously, Dcnn needs image optimization as it can save up to 78.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 502.2 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 603.9 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 502.2 kB or 45% of the original size.

CSS Optimization

-84%

Potential reduce by 348.9 kB

  • Original 415.9 kB
  • After minification 357.8 kB
  • After compression 67.0 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. Dcnn.ru needs all CSS files to be minified and compressed as it can save up to 348.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (71%)

Requests Now

70

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dcnn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dcnn.ru

dcnn.ru

1117 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

704 ms

style.css

style.css

424 ms

content.css

content.css

430 ms

bootstrap.css

bootstrap.css

1000 ms

color.css

color.css

434 ms

bootstrap-glyphicons.min.css

bootstrap-glyphicons.min.css

559 ms

all.min.css

all.min.css

1324 ms

social.css

social.css

861 ms

imagesize.css

imagesize.css

859 ms

dcnn.css

dcnn.css

977 ms

graph.css

graph.css

1128 ms

materials.css

materials.css

1328 ms

talon.css

talon.css

1328 ms

doctor.css

doctor.css

1406 ms

base.css

base.css

1470 ms

template.css

template.css

1751 ms

st.carousel.css

st.carousel.css

1748 ms

style2.0.css

style2.0.css

1759 ms

style.css

style.css

1758 ms

jquery.min.js

jquery.min.js

2269 ms

jquery-noconflict.js

jquery-noconflict.js

1899 ms

jquery-migrate.min.js

jquery-migrate.min.js

2165 ms

caption.js

caption.js

2173 ms

template.js

template.js

2173 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

2459 ms

jquery.json-2.4.min.js

jquery.json-2.4.min.js

2318 ms

functions.js

functions.js

2597 ms

show_spec_null.js

show_spec_null.js

2598 ms

imagesize.js

imagesize.js

2599 ms

graphnew_plat.js

graphnew_plat.js

2694 ms

st.carousel.min.js

st.carousel.min.js

3025 ms

jquery.simplemodal.js

jquery.simplemodal.js

3028 ms

default.js

default.js

3153 ms

jQuery.style.js

jQuery.style.js

3020 ms

script.js

script.js

3019 ms

css

css

29 ms

4BBoq0mTwf

4BBoq0mTwf

225 ms

script.min.js

script.min.js

596 ms

smartslider.min.css

smartslider.min.css

3128 ms

n2.min.js

n2.min.js

3365 ms

smartslider-frontend.min.js

smartslider-frontend.min.js

3465 ms

ss-simple.min.js

ss-simple.min.js

3042 ms

w-arrow-image.min.js

w-arrow-image.min.js

2916 ms

w-bullet.min.js

w-bullet.min.js

2869 ms

jquery.inputmask.bundle.min.js

jquery.inputmask.bundle.min.js

3118 ms

jquery.inputmask-multi.min.js

jquery.inputmask-multi.min.js

3034 ms

gosuslugi-logo-blue.svg

gosuslugi-logo-blue.svg

121 ms

logo.png

logo.png

1310 ms

eye-regular-white.png

eye-regular-white.png

1307 ms

gastro.png

gastro.png

1675 ms

kompleks.jpg

kompleks.jpg

1689 ms

breast.jpg

breast.jpg

1684 ms

safe_reception.png

safe_reception.png

2105 ms

telegramCanal.jpeg

telegramCanal.jpeg

1829 ms

%D0%A0%D0%90%D0%A1%D0%9F%D0%98%D0%A1%D0%90%D0%9D%D0%98%D0%95%D0%9D%D0%90%D0%90%D0%92%D0%93%D0%A3%D0%A1%D0%A22024.jpg

%D0%A0%D0%90%D0%A1%D0%9F%D0%98%D0%A1%D0%90%D0%9D%D0%98%D0%95%D0%9D%D0%90%D0%90%D0%92%D0%93%D0%A3%D0%A1%D0%A22024.jpg

2133 ms

%D0%BA%D0%B0%D0%BB%D0%B5%D0%BD%D0%B4%D0%B0%D1%80%D1%8C%D1%80%D0%B0%D0%B1%D0%BE%D1%87%D0%B8%D1%85%D1%81%D1%83%D0%B1%D0%B1%D0%BE%D1%822024.png

%D0%BA%D0%B0%D0%BB%D0%B5%D0%BD%D0%B4%D0%B0%D1%80%D1%8C%D1%80%D0%B0%D0%B1%D0%BE%D1%87%D0%B8%D1%85%D1%81%D1%83%D0%B1%D0%B1%D0%BE%D1%822024.png

2512 ms

regrus.gif

regrus.gif

2113 ms

banner-3.png

banner-3.png

2254 ms

nacproect.png

nacproect.png

2259 ms

24.png

24.png

2524 ms

TAKZDOROVO.gif

TAKZDOROVO.gif

2533 ms

gosuslugi.jpg

gosuslugi.jpg

2554 ms

4BBoq0mTwf

4BBoq0mTwf

197 ms

all.js

all.js

1560 ms

fa-solid-900.ttf

fa-solid-900.ttf

3243 ms

fa-regular-400.ttf

fa-regular-400.ttf

2787 ms

fa-brands-400.ttf

fa-brands-400.ttf

3307 ms

4BBoq0mTwf

4BBoq0mTwf

1086 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

65 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

66 ms

Lato-Regular.woff

Lato-Regular.woff

590 ms

jquery.min.js

jquery.min.js

484 ms

suggest.js

suggest.js

95 ms

opensearch.js

opensearch.js

197 ms

search_white.png

search_white.png

836 ms

bundle_ru_RU.js

bundle_ru_RU.js

227 ms

Accessibility Review

dcnn.ru accessibility score

79

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

dcnn.ru best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

dcnn.ru SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dcnn.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 Dcnn.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

dcnn.ru

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