Tools & Wizards About Us
immun.ru screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

immun.ru

Центр иммунологии и аллергологии в Москве | центр иммунокоррекции Р.Н.Ходановой

Page Load Speed

6.3 sec in total

First Response

817 ms

Resources Loaded

5.2 sec

Page Rendered

284 ms

immun.ru screenshot

About Website

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

Медицинский центр иммунокоррекции имени Р.Н. Ходановой, проводит профилактику и лечение иммунологических и аллергологических заболеваний, а также: ревматологических, эндокринологических, кардиологичес...

Visit immun.ru

Key Findings

We analyzed Immun.ru page load time and found that the first response time was 817 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

immun.ru performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value22.8 s

0/100

10%

TBT (Total Blocking Time)

Value36,540 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value52.0 s

0/100

10%

Network Requests Diagram

immun.ru

817 ms

www.immun.ru

1548 ms

style.css

455 ms

cssmenujs.js

317 ms

jquery.min.js

787 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 16% of them (12 requests) were addressed to the original Immun.ru, 27% (20 requests) were made to Api-maps.yandex.ru and 11% (8 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Immun.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 672.2 kB (44%)

Content Size

1.5 MB

After Optimization

848.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Immun.ru main page is 1.5 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. 50% of websites need less resources to load. Images take 669.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 526.6 kB

  • Original 618.0 kB
  • After minification 591.9 kB
  • After compression 91.4 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. 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 526.6 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 24.7 kB

  • Original 669.3 kB
  • After minification 644.7 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. Immun images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 106.0 kB

  • Original 215.2 kB
  • After minification 214.7 kB
  • After compression 109.2 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 106.0 kB or 49% of the original size.

CSS Optimization

-84%

Potential reduce by 14.9 kB

  • Original 17.7 kB
  • After minification 13.2 kB
  • After compression 2.8 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. Immun.ru needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (51%)

Requests Now

57

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Immun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

immun.ru

immun.ru

817 ms

www.immun.ru

www.immun.ru

1548 ms

style.css

style.css

455 ms

cssmenujs.js

cssmenujs.js

317 ms

jquery.min.js

jquery.min.js

787 ms

accordion.js

accordion.js

351 ms

watch.js

watch.js

181 ms

watch.js

watch.js

471 ms

share.js

share.js

13 ms

625 ms

ga.js

ga.js

22 ms

kodex.gif

kodex.gif

478 ms

logo.png

logo.png

502 ms

log03.png

log03.png

525 ms

skype.png

skype.png

170 ms

slide1.jpg

slide1.jpg

314 ms

kupon.jpg

kupon.jpg

171 ms

advert.gif

advert.gif

91 ms

fon.jpg

fon.jpg

1416 ms

__utm.gif

__utm.gif

14 ms

225 ms

hit

hit

257 ms

client.js

client.js

254 ms

watch.js

watch.js

220 ms

analytics.js

analytics.js

16 ms

b-share-form-button.png

b-share-form-button.png

32 ms

b-share-form-button_share__icon.png

b-share-form-button_share__icon.png

29 ms

b-share-icon.png

b-share-icon.png

29 ms

b-share-popup_down__tail.png

b-share-popup_down__tail.png

30 ms

collect

collect

16 ms

1

1

103 ms

731508

731508

183 ms

33763049

33763049

93 ms

26812653

26812653

146 ms

285 ms

hit

hit

129 ms

app3.js

app3.js

631 ms

combine.js

combine.js

115 ms

combine.js

combine.js

220 ms

combine.js

combine.js

491 ms

combine.js

combine.js

469 ms

12493.js

12493.js

127 ms

widget-ui-3.js

widget-ui-3.js

255 ms

util_cursor_storage_grab.cur

util_cursor_storage_grab.cur

129 ms

util_cursor_storage_grabbing.cur

util_cursor_storage_grabbing.cur

127 ms

util_cursor_storage_help.cur

util_cursor_storage_help.cur

228 ms

util_cursor_storage_zoom_in.cur

util_cursor_storage_zoom_in.cur

229 ms

475 ms

516 ms

tiles

tiles

97 ms

tiles

tiles

32 ms

tiles

tiles

190 ms

tiles

tiles

28 ms

util_cursor_storage_grab.cur

util_cursor_storage_grab.cur

129 ms

tiles

tiles

26 ms

combine.js

combine.js

126 ms

164 ms

tiles

tiles

164 ms

tiles

tiles

177 ms

tiles

tiles

19 ms

util_cursor_storage_grabbing.cur

util_cursor_storage_grabbing.cur

197 ms

combine.js

combine.js

114 ms

tiles

tiles

5 ms

tiles

tiles

154 ms

tiles

tiles

48 ms

tiles

tiles

7 ms

util_cursor_storage_help.cur

util_cursor_storage_help.cur

172 ms

util_cursor_storage_zoom_in.cur

util_cursor_storage_zoom_in.cur

208 ms

Roboto:400,700,500,300,100&subset=cyrillic,latin

Roboto:400,700,500,300,100&subset=cyrillic,latin

128 ms

combine.js

combine.js

511 ms

combine.js

combine.js

312 ms

12493.css

12493.css

140 ms

126 ms

event-service-app.widgets-thrift-http

event-service-app.widgets-thrift-http

265 ms

Accessibility Review

immun.ru accessibility score

75

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

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

Best Practices

immun.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

High

Missing source maps for large first-party JavaScript

SEO Factors

immun.ru SEO score

80

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

High

Tap targets are not sized appropriately

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 Immun.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 Immun.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

immun.ru

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