Tools & Wizards About Us
opensdo.ru screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

opensdo.ru

OPENSDO - повышение квалификации технических специалистов

Page Load Speed

5.4 sec in total

First Response

784 ms

Resources Loaded

4.3 sec

Page Rendered

319 ms

opensdo.ru screenshot

About Website

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

Центр повышения квалификации Opensdo предлагает Вам качественные и доступные услуги по повышению квалификации технических специалистов. Мы предлагаем актуальные курсы для обучения по различным направл...

Visit opensdo.ru

Key Findings

We analyzed Opensdo.ru page load time and found that the first response time was 784 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

opensdo.ru performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value39.4 s

0/100

10%

Network Requests Diagram

opensdo.ru

784 ms

widgetkit.css

133 ms

style.css

267 ms

style.css

276 ms

style.css

265 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 93% of them (86 requests) were addressed to the original Opensdo.ru, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Yandex.st. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Opensdo.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 375.8 kB (48%)

Content Size

784.2 kB

After Optimization

408.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opensdo.ru main page is 784.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 330.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 45.8 kB

  • Original 58.5 kB
  • After minification 56.1 kB
  • After compression 12.7 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 45.8 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 14.2 kB

  • Original 262.4 kB
  • After minification 248.3 kB

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. OPENSDO images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 206.7 kB

  • Original 330.0 kB
  • After minification 326.0 kB
  • After compression 123.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 206.7 kB or 63% of the original size.

CSS Optimization

-82%

Potential reduce by 109.1 kB

  • Original 133.3 kB
  • After minification 98.9 kB
  • After compression 24.2 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. Opensdo.ru needs all CSS files to be minified and compressed as it can save up to 109.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (69%)

Requests Now

90

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPENSDO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

opensdo.ru

opensdo.ru

784 ms

widgetkit.css

widgetkit.css

133 ms

style.css

style.css

267 ms

style.css

style.css

276 ms

style.css

style.css

265 ms

style.css

style.css

267 ms

style.css

style.css

274 ms

style.css

style.css

275 ms

lightbox.css

lightbox.css

410 ms

mediaelementplayer.css

mediaelementplayer.css

403 ms

style.css

style.css

405 ms

style.css

style.css

409 ms

style.css

style.css

408 ms

style.css

style.css

409 ms

style.css

style.css

576 ms

style.css

style.css

576 ms

style.css

style.css

578 ms

style.css

style.css

575 ms

spotlight.css

spotlight.css

574 ms

style.css

style.css

569 ms

mootools.js

mootools.js

900 ms

caption.js

caption.js

729 ms

jquery.js

jquery.js

915 ms

jquery.plugins.js

jquery.plugins.js

724 ms

accordion.js

accordion.js

724 ms

lazyloader.js

lazyloader.js

726 ms

lazyloader.js

lazyloader.js

893 ms

lazyloader.js

lazyloader.js

892 ms

lazyloader.js

lazyloader.js

912 ms

twitter.js

twitter.js

893 ms

reset.css

reset.css

1049 ms

layout.css

layout.css

1054 ms

typography.css

typography.css

1052 ms

menus.css

menus.css

1057 ms

modules.css

modules.css

1060 ms

system.css

system.css

1063 ms

share.js

share.js

13 ms

watch.js

watch.js

1 ms

extensions.css

extensions.css

1190 ms

style.css

style.css

1077 ms

blue.css

blue.css

935 ms

custom.css

custom.css

946 ms

warp.js

warp.js

944 ms

accordionmenu.js

accordionmenu.js

939 ms

dropdownmenu.js

dropdownmenu.js

1072 ms

spotlight.js

spotlight.js

1073 ms

template.js

template.js

944 ms

search.js

search.js

947 ms

lightbox.js

lightbox.js

1194 ms

mediaelement-and-player.js

mediaelement-and-player.js

405 ms

spotlight.js

spotlight.js

576 ms

system.css

system.css

454 ms

system.css

system.css

453 ms

ga.js

ga.js

137 ms

header_border.png

header_border.png

213 ms

menubar_bg.png

menubar_bg.png

213 ms

searchbox_bg.png

searchbox_bg.png

214 ms

searchbox_magnifier.png

searchbox_magnifier.png

212 ms

searchbox_reset.png

searchbox_reset.png

214 ms

telephone.png

telephone.png

331 ms

chek.png

chek.png

341 ms

dostup.png

dostup.png

539 ms

bn.png

bn.png

538 ms

kont.png

kont.png

537 ms

dover.png

dover.png

679 ms

prez.png

prez.png

681 ms

menu_level1_item.png

menu_level1_item.png

657 ms

shapka.png

shapka.png

944 ms

module_box_corners.png

module_box_corners.png

662 ms

module_box_border.png

module_box_border.png

730 ms

strela.png

strela.png

815 ms

kluch.png

kluch.png

820 ms

wrapper_corners.png

wrapper_corners.png

801 ms

breadcrumbs.png

breadcrumbs.png

802 ms

wrapper_border.png

wrapper_border.png

829 ms

list_check.png

list_check.png

915 ms

box_tip.png

box_tip.png

919 ms

module_paper_corners.png

module_paper_corners.png

926 ms

module_box_templatecolor2_corners.png

module_box_templatecolor2_corners.png

927 ms

module_bad.png

module_bad.png

952 ms

module_box_templatecolor2_bg.png

module_box_templatecolor2_bg.png

1042 ms

module_line_bg.png

module_line_bg.png

1042 ms

list_links.png

list_links.png

1081 ms

module_postit_shadows.png

module_postit_shadows.png

1082 ms

module_box_grey_corners.png

module_box_grey_corners.png

1078 ms

module_box_grey_bg.png

module_box_grey_bg.png

1617 ms

modulewrapper_bg.png

modulewrapper_bg.png

1172 ms

module_line_v_bg.png

module_line_v_bg.png

1172 ms

box_download.png

box_download.png

1204 ms

b-share-icon.png

b-share-icon.png

142 ms

__utm.gif

__utm.gif

69 ms

phone.3dcfb.414.async.js

phone.3dcfb.414.async.js

353 ms

Accessibility Review

opensdo.ru accessibility score

69

Accessibility Issues

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

Form elements do not have associated labels

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

Best Practices

opensdo.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

SEO Factors

opensdo.ru SEO score

77

Search Engine Optimization Advices

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 Opensdo.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 Opensdo.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

opensdo.ru

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