Tools & Wizards About Us
stemcentre.ru screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

stemcentre.ru

Центр Инноваторов - Hp

Page Load Speed

4.4 sec in total

First Response

990 ms

Resources Loaded

3.1 sec

Page Rendered

266 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 990 ms and then it took 3.4 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

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

stemcentre.ru

990 ms

bootstrap.css

647 ms

datepicker3.css

492 ms

admin-panel.css

249 ms

base.css

257 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 93% of them (40 requests) were addressed to the original Stemcentre.ru, 7% (3 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Stemcentre.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 354.9 kB (13%)

Content Size

2.7 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stemcentre.ru main page is 2.7 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 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 14.9 kB

  • Original 19.4 kB
  • After minification 16.4 kB
  • After compression 4.5 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 3.0 kB, which is 15% 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 14.9 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 20.1 kB

  • Original 2.2 MB
  • After minification 2.2 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. Stemcentre images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 160.9 kB

  • Original 233.5 kB
  • After minification 198.6 kB
  • After compression 72.5 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 160.9 kB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 158.9 kB

  • Original 183.3 kB
  • After minification 155.3 kB
  • After compression 24.3 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 needs all CSS files to be minified and compressed as it can save up to 158.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (41%)

Requests Now

39

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 39 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 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stemcentre.ru

stemcentre.ru

990 ms

bootstrap.css

bootstrap.css

647 ms

datepicker3.css

datepicker3.css

492 ms

admin-panel.css

admin-panel.css

249 ms

base.css

base.css

257 ms

jquery.js

jquery.js

661 ms

bootstrap.js

bootstrap.js

516 ms

router.js

router.js

371 ms

routing

routing

428 ms

bootstrap-datepicker.js

bootstrap-datepicker.js

617 ms

admin-panel-filter.js

admin-panel-filter.js

554 ms

base.js

base.js

611 ms

top-menu-bg-blue-white.png

top-menu-bg-blue-white.png

132 ms

logo3.png

logo3.png

128 ms

intel-logo-top.png

intel-logo-top.png

129 ms

f38417ba034e620f120d8809ae8b876ca38efab8.jpeg

f38417ba034e620f120d8809ae8b876ca38efab8.jpeg

649 ms

7572e30978090d26fdb598b16e86c1160f409725.jpeg

7572e30978090d26fdb598b16e86c1160f409725.jpeg

383 ms

2da926baca89e0df1a0063dd2488271156d75777.jpeg

2da926baca89e0df1a0063dd2488271156d75777.jpeg

648 ms

stem-banner-06.jpg

stem-banner-06.jpg

863 ms

stem-banner-09.jpg

stem-banner-09.jpg

1115 ms

stem-banner-05.jpg

stem-banner-05.jpg

646 ms

stem-banner-long.jpg

stem-banner-long.jpg

637 ms

stem-banner-14.jpg

stem-banner-14.jpg

891 ms

stem-banner-15.jpg

stem-banner-15.jpg

779 ms

hider-white.png

hider-white.png

776 ms

40be01a59468cdcbe948a3988f69fed67ae9a14c.jpeg

40be01a59468cdcbe948a3988f69fed67ae9a14c.jpeg

777 ms

add6f256f9f71f0fc6350239fc11330981dc1634.jpeg

add6f256f9f71f0fc6350239fc11330981dc1634.jpeg

906 ms

1895d8318dd5e3a3591693f3d7de5d103d55a030.png

1895d8318dd5e3a3591693f3d7de5d103d55a030.png

1165 ms

hider-blue.png

hider-blue.png

908 ms

3c16326ce4f27541c425a7ee3c6b51813de61fe7.png

3c16326ce4f27541c425a7ee3c6b51813de61fe7.png

1109 ms

6f1336e6a4b87841d4f697268fe511079e678052.jpeg

6f1336e6a4b87841d4f697268fe511079e678052.jpeg

1146 ms

235355cd27122d1e6e7bd20842e630d99f4a5740.jpeg

235355cd27122d1e6e7bd20842e630d99f4a5740.jpeg

1034 ms

logo-footer-intel.png

logo-footer-intel.png

1036 ms

logo-footer-nauka0.png

logo-footer-nauka0.png

1163 ms

code.js

code.js

538 ms

FhHRx.gif

FhHRx.gif

1135 ms

new.png

new.png

1200 ms

delete.png

delete.png

1207 ms

intel-clear-cyrillic.woff

intel-clear-cyrillic.woff

1242 ms

intel-clear-cyrillic-light.woff

intel-clear-cyrillic-light.woff

1260 ms

intel-clear-cyrillic-bold.woff

intel-clear-cyrillic-bold.woff

1262 ms

counter

counter

137 ms

tracker

tracker

136 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

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

    N/A

  • 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 neither this language nor any other was claimed in <html> or <meta> tags. 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: