Tools & Wizards About Us
zrns.ru screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

zrns.ru

Международные научно-практические конференции в Новосибирске - публикация статей и монографий

Page Load Speed

12.8 sec in total

First Response

798 ms

Resources Loaded

8.3 sec

Page Rendered

3.7 sec

zrns.ru screenshot

About Website

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

Центр развития научного сотрудничества в Новосибирске - проведение международных конференций, публикация статей и монографий.

Visit zrns.ru

Key Findings

We analyzed Zrns.ru page load time and found that the first response time was 798 ms and then it took 12 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

zrns.ru performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value3,580 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value30.4 s

0/100

10%

Network Requests Diagram

zrns.ru

798 ms

kernel_main.css

240 ms

template_eba1dc7c2a998cf34a0377e1e9be1795.css

371 ms

kernel_main.js

405 ms

template_f298b9aaed26d05352726a551498d8ce.js

541 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 56% of them (66 requests) were addressed to the original Zrns.ru, 21% (24 requests) were made to Core-renderer-tiles.maps.yandex.net and 5% (6 requests) were made to Api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Zrns.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (25%)

Content Size

5.2 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zrns.ru main page is 5.2 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. 55% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 203.4 kB

  • Original 248.3 kB
  • After minification 238.4 kB
  • After compression 44.9 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 203.4 kB or 82% of the original size.

Image Optimization

-23%

Potential reduce by 1.0 MB

  • Original 4.3 MB
  • After minification 3.3 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. Obviously, Zrns needs image optimization as it can save up to 1.0 MB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 44.0 kB

  • Original 547.6 kB
  • After minification 547.6 kB
  • After compression 503.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-26%

Potential reduce by 4.2 kB

  • Original 16.5 kB
  • After minification 16.5 kB
  • After compression 12.2 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. Zrns.ru needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (14%)

Requests Now

103

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zrns. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zrns.ru

zrns.ru

798 ms

kernel_main.css

kernel_main.css

240 ms

template_eba1dc7c2a998cf34a0377e1e9be1795.css

template_eba1dc7c2a998cf34a0377e1e9be1795.css

371 ms

kernel_main.js

kernel_main.js

405 ms

template_f298b9aaed26d05352726a551498d8ce.js

template_f298b9aaed26d05352726a551498d8ce.js

541 ms

adsbygoogle.js

adsbygoogle.js

37 ms

zp.js

zp.js

730 ms

736 ms

full-e49d00352d11888cd1eb480772fe44a8495c7824.js

full-e49d00352d11888cd1eb480772fe44a8495c7824.js

1829 ms

ba.js

ba.js

200 ms

header-bg1.jpg

header-bg1.jpg

383 ms

header-logo.png

header-logo.png

196 ms

inf4.png

inf4.png

196 ms

sprite.png

sprite.png

370 ms

%D0%93%D0%9F-4.jpeg

%D0%93%D0%9F-4.jpeg

196 ms

achievements.jpg

achievements.jpg

380 ms

reliability1.png

reliability1.png

368 ms

reliability2.png

reliability2.png

367 ms

reliability3.png

reliability3.png

369 ms

reliability4.png

reliability4.png

376 ms

reliability5.png

reliability5.png

397 ms

reliability6.png

reliability6.png

397 ms

letter-person.png

letter-person.png

402 ms

1.png

1.png

510 ms

2.png

2.png

508 ms

3.png

3.png

508 ms

4.png

4.png

513 ms

5.png

5.png

525 ms

6.png

6.png

527 ms

7.png

7.png

619 ms

8.png

8.png

626 ms

9.png

9.png

629 ms

10.png

10.png

645 ms

11.png

11.png

653 ms

12.png

12.png

651 ms

13.png

13.png

738 ms

14.png

14.png

760 ms

15.png

15.png

762 ms

16.png

16.png

778 ms

17.png

17.png

777 ms

18.png

18.png

791 ms

19.png

19.png

856 ms

20.png

20.png

895 ms

1111.png

1111.png

888 ms

21.png

21.png

913 ms

%D0%94%D0%B8%D0%BF%D0%BB%D0%BE%D0%BC%20%D0%B4%D0%BB%D1%8F%20%D0%B8%D0%B7%D0%B4%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D1%81%D1%82%D0%B2%D0%B0.jpg

%D0%94%D0%B8%D0%BF%D0%BB%D0%BE%D0%BC%20%D0%B4%D0%BB%D1%8F%20%D0%B8%D0%B7%D0%B4%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D1%81%D1%82%D0%B2%D0%B0.jpg

934 ms

sert7.png

sert7.png

988 ms

sert6.png

sert6.png

912 ms

RobotoLight.woff

RobotoLight.woff

851 ms

hit

hit

278 ms

watch.js

watch.js

112 ms

watch.js

watch.js

112 ms

MwDuiWWnHd

MwDuiWWnHd

672 ms

analytics.js

analytics.js

125 ms

bx_stat

bx_stat

198 ms

RobotoBold.woff

RobotoBold.woff

740 ms

3963-webfont.woff

3963-webfont.woff

836 ms

sert5.png

sert5.png

824 ms

sert4.png

sert4.png

906 ms

watch.js

watch.js

3 ms

version.js

version.js

136 ms

sert3.png

sert3.png

950 ms

sert2.png

sert2.png

962 ms

4340647.jpg

4340647.jpg

929 ms

collect

collect

15 ms

%D0%B3%D1%80%D0%B0%D0%BC%D0%BE%D1%82%D0%B0%20%D0%A8%D0%B5.jpg

%D0%B3%D1%80%D0%B0%D0%BC%D0%BE%D1%82%D0%B0%20%D0%A8%D0%B5.jpg

2225 ms

600px-Exclamation_mark_3d.jpg

600px-Exclamation_mark_3d.jpg

933 ms

ol_d_850.jpg

ol_d_850.jpg

981 ms

js

js

79 ms

command1.jpg

command1.jpg

929 ms

command2.jpg

command2.jpg

942 ms

111.jpg

111.jpg

952 ms

consultimg.png

consultimg.png

947 ms

subscribeBg.jpg

subscribeBg.jpg

1109 ms

consultationBg.jpg

consultationBg.jpg

1040 ms

hit

hit

576 ms

inf3.png

inf3.png

964 ms

inf2.png

inf2.png

953 ms

btn-top.png

btn-top.png

956 ms

bx_loader.gif

bx_loader.gif

1050 ms

arrows1.png

arrows1.png

1047 ms

MwDuiWWnHd

MwDuiWWnHd

283 ms

hit

hit

169 ms

MwDuiWWnHd

MwDuiWWnHd

511 ms

grab.cur

grab.cur

168 ms

grabbing.cur

grabbing.cur

149 ms

help.cur

help.cur

290 ms

zoom_in.cur

zoom_in.cur

419 ms

tiles

tiles

847 ms

tiles

tiles

1019 ms

tiles

tiles

1201 ms

tiles

tiles

1326 ms

tiles

tiles

1334 ms

tiles

tiles

1412 ms

tiles

tiles

1369 ms

tiles

tiles

1413 ms

tiles

tiles

1386 ms

tiles

tiles

1502 ms

tiles

tiles

1516 ms

tiles

tiles

1556 ms

tiles

tiles

1576 ms

tiles

tiles

1610 ms

tiles

tiles

1633 ms

tiles

tiles

1696 ms

mapPoint.png

mapPoint.png

127 ms

345 ms

tiles

tiles

857 ms

tiles

tiles

728 ms

tiles

tiles

571 ms

tiles

tiles

473 ms

tiles

tiles

502 ms

tiles

tiles

489 ms

tiles

tiles

491 ms

tiles

tiles

518 ms

bundle_ru_RU.js

bundle_ru_RU.js

53 ms

impression.html

impression.html

134 ms

extra.js

extra.js

273 ms

Accessibility Review

zrns.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

Image elements do not have [alt] attributes

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

zrns.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zrns.ru SEO score

83

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

    UTF-8

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

zrns.ru

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