Tools & Wizards About Us
nau-ra.ru screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

nau-ra.ru

НАУ-РА | Научные Развлечения

Page Load Speed

3.6 sec in total

First Response

527 ms

Resources Loaded

2.9 sec

Page Rendered

190 ms

nau-ra.ru screenshot

About Website

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

«Научные Развлечения»- ведущий производитель и разработчик учебного оборудования для детских садов, школ и вузов. Образовательные наборы, цифровые лаборатории, детская цифровая лаборатория «Наураша в ...

Visit nau-ra.ru

Key Findings

We analyzed Nau-ra.ru page load time and found that the first response time was 527 ms and then it took 3.1 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

nau-ra.ru performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.6 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.412

24/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

nau-ra.ru

527 ms

nau-ra.ru

570 ms

bootstrap.min.css

128 ms

ionicons.min.css

252 ms

icomoon.css

368 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 54% of them (37 requests) were addressed to the original Nau-ra.ru, 16% (11 requests) were made to Fonts.gstatic.com and 7% (5 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Nau-ra.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.3 kB (7%)

Content Size

2.7 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nau-ra.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. 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 54.6 kB

  • Original 62.1 kB
  • After minification 42.0 kB
  • After compression 7.5 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 20.0 kB, which is 32% 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 54.6 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 125.6 kB

  • Original 2.3 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. Nau Ra images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 8.5 kB

  • Original 245.7 kB
  • After minification 245.7 kB
  • After compression 237.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 5.6 kB

  • Original 112.5 kB
  • After minification 112.0 kB
  • After compression 107.0 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. Nau-ra.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (57%)

Requests Now

51

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nau Ra. 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 from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nau-ra.ru

nau-ra.ru

527 ms

nau-ra.ru

nau-ra.ru

570 ms

bootstrap.min.css

bootstrap.min.css

128 ms

ionicons.min.css

ionicons.min.css

252 ms

icomoon.css

icomoon.css

368 ms

animate.css

animate.css

376 ms

slider.css

slider.css

395 ms

owl.carousel.css

owl.carousel.css

394 ms

owl.theme.css

owl.theme.css

396 ms

jquery.fancybox.css

jquery.fancybox.css

396 ms

main.css

main.css

490 ms

responsive.css

responsive.css

497 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

526 ms

jquery.min.js

jquery.min.js

22 ms

owl.carousel.min.js

owl.carousel.min.js

529 ms

bootstrap.min.js

bootstrap.min.js

530 ms

wow.min.js

wow.min.js

528 ms

slider.js

slider.js

612 ms

jquery.fancybox.js

jquery.fancybox.js

621 ms

main.js

main.js

656 ms

auth.js

auth.js

662 ms

slick.css

slick.css

18 ms

slick-theme.css

slick-theme.css

20 ms

slick.min.js

slick.min.js

20 ms

watch.js

watch.js

1 ms

css

css

31 ms

css

css

49 ms

css

css

20 ms

na_wight7ru.png

na_wight7ru.png

243 ms

slider-prev-color-small.png

slider-prev-color-small.png

242 ms

2724_1039.jpg

2724_1039.jpg

623 ms

2724_1012.jpg

2724_1012.jpg

305 ms

2724_1018.jpg

2724_1018.jpg

622 ms

2724_852.jpg

2724_852.jpg

623 ms

2724_8.jpg

2724_8.jpg

993 ms

2724_936.jpg

2724_936.jpg

656 ms

slider-next-color-small.png

slider-next-color-small.png

622 ms

2969_1354.png

2969_1354.png

1151 ms

2969_1353.jpg

2969_1353.jpg

898 ms

2969_1352.jpg

2969_1352.jpg

920 ms

2969_1351.jpg

2969_1351.jpg

919 ms

more.png

more.png

782 ms

KFOmCnqEu92Fr1Mu5mxP.ttf

KFOmCnqEu92Fr1Mu5mxP.ttf

114 ms

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184 ms

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197 ms

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241 ms

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195 ms

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KFOlCnqEu92Fr1MmYUtfABc9.ttf

215 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBK5Xk.ttf

273 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBK5Xk.ttf

195 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBK5Xk.ttf

196 ms

slick.woff

slick.woff

46 ms

icomoon.ttf

icomoon.ttf

935 ms

icomoon.ttf

icomoon.ttf

1094 ms

UHRCLdDjLZQ

UHRCLdDjLZQ

237 ms

nau_bull.png

nau_bull.png

947 ms

ajax-loader.gif

ajax-loader.gif

66 ms

www-player.css

www-player.css

16 ms

www-embed-player.js

www-embed-player.js

32 ms

base.js

base.js

56 ms

ad_status.js

ad_status.js

138 ms

wQkdmVX08K_HD_9NHn0QjGfgu04J0GwVvAmYELAxlpM.js

wQkdmVX08K_HD_9NHn0QjGfgu04J0GwVvAmYELAxlpM.js

114 ms

embed.js

embed.js

43 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

30 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

30 ms

id

id

37 ms

Create

Create

98 ms

GenerateIT

GenerateIT

15 ms

Accessibility Review

nau-ra.ru accessibility score

84

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-hidden="true"] elements contain focusable descendents

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

<frame> or <iframe> elements do not have a title

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

nau-ra.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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nau-ra.ru SEO score

100

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 uses legible font sizes

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 Nau-ra.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 Nau-ra.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

nau-ra.ru

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