Tools & Wizards About Us
stemcentre.ru screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

stemcentre.ru

Центр Инноваторов - Hp

Page Load Speed

3.4 sec in total

First Response

615 ms

Resources Loaded

2.5 sec

Page Rendered

325 ms

stemcentre.ru screenshot

About Website

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

Центр Инноваторов

Visit stemcentre.ru

Key Findings

We analyzed Stemcentre.ru page load time and found that the first response time was 615 ms and then it took 2.8 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

stemcentre.ru performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

stemcentre.ru

615 ms

bootstrap.min.css

144 ms

font-awesome.min.css

274 ms

bootstrap-yii.css

276 ms

jquery-ui-bootstrap.css

283 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 80% of them (49 requests) were addressed to the original Stemcentre.ru, 8% (5 requests) were made to Youtube.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Stemcentre.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 228.2 kB (12%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stemcentre.ru main page is 1.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 31.2 kB

  • Original 42.8 kB
  • After minification 32.1 kB
  • After compression 11.6 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. This page needs HTML code to be minified as it can gain 10.7 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 31.2 kB or 73% of the original size.

Image Optimization

-11%

Potential reduce by 169.0 kB

  • Original 1.5 MB
  • After minification 1.3 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, Stemcentre needs image optimization as it can save up to 169.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 25.0 kB

  • Original 241.9 kB
  • After minification 241.9 kB
  • After compression 216.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 3.0 kB

  • Original 122.4 kB
  • After minification 122.4 kB
  • After compression 119.3 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. Stemcentre.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (40%)

Requests Now

48

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stemcentre. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stemcentre.ru

stemcentre.ru

615 ms

bootstrap.min.css

bootstrap.min.css

144 ms

font-awesome.min.css

font-awesome.min.css

274 ms

bootstrap-yii.css

bootstrap-yii.css

276 ms

jquery-ui-bootstrap.css

jquery-ui-bootstrap.css

283 ms

bootstrap.min.css

bootstrap.min.css

428 ms

font-awesome.min.css

font-awesome.min.css

281 ms

style.css

style.css

284 ms

jquery.min.js

jquery.min.js

555 ms

bootstrap.min.js

bootstrap.min.js

415 ms

bootstrap-noconflict.js

bootstrap-noconflict.js

419 ms

bootbox.min.js

bootbox.min.js

423 ms

notify.min.js

notify.min.js

434 ms

blog.js

blog.js

552 ms

bootstrap-notify.js

bootstrap-notify.js

572 ms

jquery.li-translit.js

jquery.li-translit.js

572 ms

1FWVMraDpqY

1FWVMraDpqY

174 ms

menu-shadow.png

menu-shadow.png

138 ms

logo3.jpg

logo3.jpg

459 ms

c1017971b924779bf73379907b44f882.png

c1017971b924779bf73379907b44f882.png

137 ms

fa69e3b1cddf46e8e6b1563a608dbd40.png

fa69e3b1cddf46e8e6b1563a608dbd40.png

140 ms

resize_1150_366_46f62fe74d13638f885d719e772fd260.jpg

resize_1150_366_46f62fe74d13638f885d719e772fd260.jpg

470 ms

resize_1150_366_797e289c1ff7009747ddfdd4a7483a73.png

resize_1150_366_797e289c1ff7009747ddfdd4a7483a73.png

581 ms

resize_1150_366_0a6659fc3c1fd1fe1312e63f8100ce81.jpg

resize_1150_366_0a6659fc3c1fd1fe1312e63f8100ce81.jpg

470 ms

resize_1150_366_50f8f1e5c33d2f066dfa3be66bd14032.jpg

resize_1150_366_50f8f1e5c33d2f066dfa3be66bd14032.jpg

470 ms

resize_1150_366_a0fc3f664325589afe783de221848955.jpg

resize_1150_366_a0fc3f664325589afe783de221848955.jpg

469 ms

e760ff5dfad64648ee5ea8a09078b608.jpg

e760ff5dfad64648ee5ea8a09078b608.jpg

737 ms

event-arrow.jpg

event-arrow.jpg

666 ms

32e7b075e37e2f64a072987b6eb85c83.jpg

32e7b075e37e2f64a072987b6eb85c83.jpg

736 ms

176de8decc931a0c1a0c40837e1fdfc8.jpg

176de8decc931a0c1a0c40837e1fdfc8.jpg

882 ms

6dfcc50acf640bc664783de2b9f602d4.png

6dfcc50acf640bc664783de2b9f602d4.png

1028 ms

resize_781__348463bd6243c3066251139a21f8251d.jpg

resize_781__348463bd6243c3066251139a21f8251d.jpg

685 ms

resize_376__6e444559da14bc474e90f1ff563d917d.jpg

resize_376__6e444559da14bc474e90f1ff563d917d.jpg

738 ms

resize_376__eb21aacf96faf96de36aa4e7eafa6a34.png

resize_376__eb21aacf96faf96de36aa4e7eafa6a34.png

823 ms

resize_376__eb665ee976087f7518ff9b9eb470d86f.jpeg

resize_376__eb665ee976087f7518ff9b9eb470d86f.jpeg

872 ms

resize_376__3e43ffc16db780cbf3eb525007ed3d48.jpg

resize_376__3e43ffc16db780cbf3eb525007ed3d48.jpg

875 ms

adaptiveThumb_300_120_default.png

adaptiveThumb_300_120_default.png

874 ms

caret-blue-primary-down.png

caret-blue-primary-down.png

959 ms

social_sprite_smushed.png

social_sprite_smushed.png

1008 ms

logo-footer-nauka0.png

logo-footer-nauka0.png

1011 ms

intel-clear-cyrillic.woff

intel-clear-cyrillic.woff

938 ms

intel-clear-cyrillic-light.woff

intel-clear-cyrillic-light.woff

950 ms

intel-clear-cyrillic-bold.woff

intel-clear-cyrillic-bold.woff

1020 ms

intel-clear-latin.woff

intel-clear-latin.woff

1068 ms

intel-clear-latin-lite.woff

intel-clear-latin-lite.woff

1077 ms

intel-clear-latin-bold.woff

intel-clear-latin-bold.woff

1080 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1091 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1092 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1157 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1205 ms

www-player.css

www-player.css

14 ms

www-embed-player.js

www-embed-player.js

30 ms

base.js

base.js

53 ms

ad_status.js

ad_status.js

141 ms

L24uOtqvNfFRO5TOxiIOVgM50wph5QKjT82e9pNVgC0.js

L24uOtqvNfFRO5TOxiIOVgM50wph5QKjT82e9pNVgC0.js

94 ms

embed.js

embed.js

31 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

109 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

109 ms

id

id

22 ms

Create

Create

78 ms

GenerateIT

GenerateIT

17 ms

Accessibility Review

stemcentre.ru accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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.

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

stemcentre.ru best practices score

83

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

Page has valid source maps

SEO Factors

stemcentre.ru SEO score

89

Search Engine Optimization Advices

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 doesn't use 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 Stemcentre.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 Stemcentre.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

stemcentre.ru

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