Tools & Wizards About Us
tuk.ru screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tuk.ru

АНО ДПО "Тушинский учебный комбинат" - официальный сайт

Page Load Speed

12.3 sec in total

First Response

3.8 sec

Resources Loaded

8 sec

Page Rendered

484 ms

tuk.ru screenshot

About Website

Click here to check amazing Tuk content for Russia. Otherwise, check out these important facts you probably never knew about tuk.ru

Подготовка кадров по направлениям: «Охрана труда», «Электробезопасность», «Лифтеры», «Электрогазосварщики» и др. Стоимость и сроки обучения по курсам, график открытия групп. Контакты.

Visit tuk.ru

Key Findings

We analyzed Tuk.ru page load time and found that the first response time was 3.8 sec and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

tuk.ru performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.233

53/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

tuk.ru

3822 ms

jquery.min.1.8.1.js

826 ms

jquery.min.1.9.1.js

841 ms

jquery.min.js

21 ms

style-modal.css

559 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 95% of them (61 requests) were addressed to the original Tuk.ru, 2% (1 request) were made to Ajax.googleapis.com and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Tuk.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.7 kB (3%)

Content Size

3.6 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tuk.ru main page is 3.6 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 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 49.1 kB

  • Original 61.9 kB
  • After minification 58.0 kB
  • After compression 12.8 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 49.1 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 48.8 kB

  • Original 3.2 MB
  • After minification 3.1 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. Tuk images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.9 kB

  • Original 318.8 kB
  • After minification 318.8 kB
  • After compression 314.9 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

-6%

Potential reduce by 1.8 kB

  • Original 30.3 kB
  • After minification 30.3 kB
  • After compression 28.5 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. Tuk.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (34%)

Requests Now

61

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tuk. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tuk.ru

tuk.ru

3822 ms

jquery.min.1.8.1.js

jquery.min.1.8.1.js

826 ms

jquery.min.1.9.1.js

jquery.min.1.9.1.js

841 ms

jquery.min.js

jquery.min.js

21 ms

style-modal.css

style-modal.css

559 ms

sdo.css

sdo.css

1148 ms

core.min.css

core.min.css

560 ms

video-js.min.css

video-js.min.css

559 ms

ui.font.opensans.min.css

ui.font.opensans.min.css

839 ms

main.popup.bundle.min.css

main.popup.bundle.min.css

871 ms

page_3b0a8ec348b468674668a92f80b336df_v1.css

page_3b0a8ec348b468674668a92f80b336df_v1.css

876 ms

template_361032158797ee18c4a3720c21876a25_v1.css

template_361032158797ee18c4a3720c21876a25_v1.css

871 ms

core.min.js

core.min.js

1374 ms

kernel_main_v1.js

kernel_main_v1.js

1115 ms

kernel_main_polyfill_customevent_v1.js

kernel_main_polyfill_customevent_v1.js

1098 ms

dexie.bitrix.bundle.min.js

dexie.bitrix.bundle.min.js

1153 ms

core_ls.min.js

core_ls.min.js

1148 ms

core_frame_cache.min.js

core_frame_cache.min.js

1148 ms

fileman_player.min.js

fileman_player.min.js

1371 ms

video.min.js

video.min.js

1671 ms

main.popup.bundle.min.js

main.popup.bundle.min.js

1427 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

1426 ms

carousel.js

carousel.js

1431 ms

callback.js

callback.js

1099 ms

header_bg.png

header_bg.png

1693 ms

logo.png

logo.png

281 ms

search_ico.png

search_ico.png

274 ms

slide1.png

slide1.png

3059 ms

slide2.jpg

slide2.jpg

1368 ms

slide3.jpg

slide3.jpg

837 ms

ico_write.png

ico_write.png

546 ms

search_ico_footer.png

search_ico_footer.png

561 ms

callback.png

callback.png

819 ms

m2_bg_active1.png

m2_bg_active1.png

811 ms

m2_bg.png

m2_bg.png

1061 ms

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1d441a21a86c42e2e61f5d8612816976.png

1082 ms

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1090 ms

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1335 ms

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1361 ms

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f8644f716a02f0bd0a974db75dea6891.png

1371 ms

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1607 ms

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1608 ms

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1638 ms

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1651 ms

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1880 ms

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1882 ms

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1916 ms

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1930 ms

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1933 ms

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2152 ms

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2154 ms

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2193 ms

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2210 ms

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2208 ms

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2424 ms

footer_bg.png

footer_bg.png

2427 ms

watch.js

watch.js

63 ms

cry_error.png

cry_error.png

2520 ms

orderbutton.png

orderbutton.png

2420 ms

2557548a1e1370215193e0c677a3d9f8.jpg

2557548a1e1370215193e0c677a3d9f8.jpg

2707 ms

video_button.png

video_button.png

2633 ms

I5YL3XhodRRsVWZe4NnZOhWnSAWgxhMoEr6SmzZieF43Mk7ZOBdeCVGrp9Eu+54J2xhySplfB5XHwQLXUmT9KH6+kPnQ7ZYuIEzNyfs1DLU1VU4SWZ6LkXGHsD1ZKbMw=

I5YL3XhodRRsVWZe4NnZOhWnSAWgxhMoEr6SmzZieF43Mk7ZOBdeCVGrp9Eu+54J2xhySplfB5XHwQLXUmT9KH6+kPnQ7ZYuIEzNyfs1DLU1VU4SWZ6LkXGHsD1ZKbMw=

4 ms

prev.png

prev.png

2462 ms

next.png

next.png

2516 ms

Accessibility Review

tuk.ru accessibility score

85

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

tuk.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

tuk.ru SEO score

62

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

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 Tuk.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 Tuk.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

tuk.ru

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