Tools & Wizards About Us
otolar-centre.ru screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

otolar-centre.ru

Федеральный национальный медицинский исследовательский центр оториноларингологии ФМБА России

Page Load Speed

13.7 sec in total

First Response

1.3 sec

Resources Loaded

11.3 sec

Page Rendered

1.1 sec

otolar-centre.ru screenshot

About Website

Welcome to otolar-centre.ru homepage info - get ready to check Otolar Centre best content for Russia right away, or after learning these important things about otolar-centre.ru

оториноларингологии медицинский исследовательский

Visit otolar-centre.ru

Key Findings

We analyzed Otolar-centre.ru page load time and found that the first response time was 1.3 sec and then it took 12.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

otolar-centre.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value18.8 s

0/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.398

25/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

Network Requests Diagram

otolar-centre.ru

1280 ms

calendar-jos.css

525 ms

jcemediabox.css

297 ms

style.css

297 ms

widgetkit-3e9235e9.css

443 ms

Our browser made a total of 178 requests to load all elements on the main page. We found that 93% of them (165 requests) were addressed to the original Otolar-centre.ru, 2% (4 requests) were made to Nok.minzdrav.gov.ru and 2% (3 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Otolar-centre.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (24%)

Content Size

7.0 MB

After Optimization

5.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Otolar-centre.ru main page is 7.0 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. 70% of websites need less resources to load. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 106.6 kB

  • Original 135.4 kB
  • After minification 127.6 kB
  • After compression 28.8 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 106.6 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 516.1 kB

  • Original 5.2 MB
  • After minification 4.7 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. Otolar Centre images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 694.1 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 485.5 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 694.1 kB or 59% of the original size.

CSS Optimization

-85%

Potential reduce by 350.2 kB

  • Original 410.6 kB
  • After minification 316.9 kB
  • After compression 60.4 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. Otolar-centre.ru needs all CSS files to be minified and compressed as it can save up to 350.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 85 (51%)

Requests Now

167

After Optimization

82

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 167 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otolar Centre. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

otolar-centre.ru

otolar-centre.ru

1280 ms

calendar-jos.css

calendar-jos.css

525 ms

jcemediabox.css

jcemediabox.css

297 ms

style.css

style.css

297 ms

widgetkit-3e9235e9.css

widgetkit-3e9235e9.css

443 ms

bootstrap.css

bootstrap.css

586 ms

template.css

template.css

297 ms

style.css

style.css

447 ms

modal.css

modal.css

443 ms

accordionview.css

accordionview.css

738 ms

accordionviewcategorized.css

accordionviewcategorized.css

881 ms

style.css

style.css

801 ms

core.js

core.js

601 ms

keepalive.js

keepalive.js

669 ms

mootools-core.js

mootools-core.js

1210 ms

mootools-more.js

mootools-more.js

1329 ms

jquery.min.js

jquery.min.js

1106 ms

jquery-noconflict.js

jquery-noconflict.js

1029 ms

jquery-migrate.min.js

jquery-migrate.min.js

1028 ms

calendar.js

calendar.js

1317 ms

calendar-setup.js

calendar-setup.js

1174 ms

punycode.js

punycode.js

1175 ms

validate.js

validate.js

1397 ms

jcemediabox.js

jcemediabox.js

1481 ms

widgetkit-76908f43.js

widgetkit-76908f43.js

1468 ms

engine.mootools.js

engine.mootools.js

1503 ms

modal.js

modal.js

1665 ms

utilities.js

utilities.js

2058 ms

accordionview.js

accordionview.js

1738 ms

iepngfix_tilebg.js

iepngfix_tilebg.js

1837 ms

ct-functions.js

ct-functions.js

1832 ms

ct-bot-detector-wrapper.js

ct-bot-detector-wrapper.js

39 ms

ct-external.js

ct-external.js

1651 ms

base.css

base.css

1825 ms

extensions.css

extensions.css

1957 ms

tools.css

tools.css

2210 ms

layout.css

layout.css

1974 ms

api.js

api.js

51 ms

menus.css

menus.css

1865 ms

modules.css

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1696 ms

system.css

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2026 ms

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1831 ms

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1706 ms

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custom.css

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1686 ms

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1586 ms

responsive.css

responsive.css

1586 ms

warp.js

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1476 ms

responsive.js

responsive.js

1475 ms

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accordionmenu.js

1420 ms

dropdownmenu.js

dropdownmenu.js

1443 ms

template.js

template.js

1443 ms

script.js

script.js

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search.js

1350 ms

lightbox.js

lightbox.js

1253 ms

mediaelement-and-player.js

mediaelement-and-player.js

1805 ms

spotlight.js

spotlight.js

1272 ms

base.css

base.css

752 ms

layout.css

layout.css

837 ms

menus.css

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825 ms

modules.css

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846 ms

tools.css

tools.css

757 ms

responsive.css

responsive.css

740 ms

system.css

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738 ms

system.css

system.css

749 ms

system-all.css

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799 ms

print.css

print.css

882 ms

layout.css

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290 ms

recaptcha__en.js

recaptcha__en.js

98 ms

3_0_D0F0C0FF_D0F0C0FF_0_pageviews

3_0_D0F0C0FF_D0F0C0FF_0_pageviews

1038 ms

banner1.jpg

banner1.jpg

1045 ms

1.jpg

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1042 ms

logo.png

logo.png

1039 ms

separator.png

separator.png

1034 ms

ru_ru.gif

ru_ru.gif

1036 ms

zh.gif

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1036 ms

ar_aa.gif

ar_aa.gif

1032 ms

en.gif

en.gif

1038 ms

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%D0%9A%D0%B0%D1%87%D0%B5%D1%81%D1%82%D0%B2%D0%BE_%D0%B8_%D0%B1%D0%B5%D0%B7%D0%BE%D0%BF%D0%B0%D1%81%D0%BD%D0%BE%D1%81%D1%82%D1%8C.png

1069 ms

header-bottom.png

header-bottom.png

1040 ms

menu-li-active.png

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1039 ms

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1041 ms

form_input.jpg

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1043 ms

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1702 ms

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1041 ms

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1043 ms

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1076 ms

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1044 ms

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1264 ms

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1478 ms

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1518 ms

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1762 ms

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1978 ms

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2163 ms

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2100 ms

iotog2_%D0%BA%D0%BE%D0%BF%D0%B8%D1%8F.png

iotog2_%D0%BA%D0%BE%D0%BF%D0%B8%D1%8F.png

2140 ms

v3t.png

v3t.png

2284 ms

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2492 ms

dayhes_1.jpg

dayhes_1.jpg

2475 ms

video-icon.png

video-icon.png

2454 ms

POMOSH.jpg

POMOSH.jpg

2783 ms

News.png

News.png

3227 ms

zadat_vopros2.jpg

zadat_vopros2.jpg

2925 ms

2

2

2091 ms

telegram.jpg

telegram.jpg

2574 ms

watch.js

watch.js

0 ms

hit

hit

872 ms

OpenSans-Light-webfont.woff

OpenSans-Light-webfont.woff

2092 ms

slideshow.js

slideshow.js

1899 ms

popup.html

popup.html

1720 ms

tooltip.html

tooltip.html

1868 ms

hit

hit

543 ms

youtube.jpg

youtube.jpg

2188 ms

VK.png

VK.png

2015 ms

QR.png

QR.png

2482 ms

TQR.png

TQR.png

2389 ms

VKQR.png

VKQR.png

2312 ms

curv_page-0001.jpg

curv_page-0001.jpg

2379 ms

blood.jpg

blood.jpg

2679 ms

03.jpg

03.jpg

2631 ms

RAN.jpg

RAN.jpg

2660 ms

fmba.jpg

fmba.jpg

2669 ms

minzdrav.jpg

minzdrav.jpg

2858 ms

nfrz.jpg

nfrz.jpg

2884 ms

11.jpg

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2903 ms

slishim.png

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2557 ms

ROSS_final.jpg

ROSS_final.jpg

3021 ms

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2553 ms

hit

hit

135 ms

VOG.jpg

VOG.jpg

2483 ms

AZ.jpg

AZ.jpg

2592 ms

Soedinenie.jpg

Soedinenie.jpg

2551 ms

Rosmed.info.jpg

Rosmed.info.jpg

2505 ms

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2526 ms

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2565 ms

bg2.png

bg2.png

1015 ms

minzdrav_logo_small.png

minzdrav_logo_small.png

1164 ms

btn.png

btn.png

1058 ms

volnc.png

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2586 ms

Mediagrupp.jpg

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2443 ms

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2451 ms

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2341 ms

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2638 ms

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2463 ms

copyright.jpg

copyright.jpg

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nav.png

nav.png

2346 ms

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4.jpg

4.jpg

2253 ms

footer-gradient.png

footer-gradient.png

2367 ms

mid-gradient.png

mid-gradient.png

2198 ms

top.jpg

top.jpg

2330 ms

icon.png

icon.png

2077 ms

dropdown-bg.png

dropdown-bg.png

2352 ms

menu-sep.png

menu-sep.png

2185 ms

astrahan.png

astrahan.png

1980 ms

khabarovsk.png

khabarovsk.png

2021 ms

back-to-top.png

back-to-top.png

1938 ms

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1879 ms

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1966 ms

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1872 ms

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1747 ms

Accessibility Review

otolar-centre.ru accessibility score

82

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

otolar-centre.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

Browser errors were logged to the console

SEO Factors

otolar-centre.ru SEO score

85

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

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

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 Otolar-centre.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 Otolar-centre.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

otolar-centre.ru

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