Tools & Wizards About Us
shultais.education screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

shultais.education

Онлайн-курсы по программированию с нуля - Shultais Education

Page Load Speed

4.4 sec in total

First Response

297 ms

Resources Loaded

3.6 sec

Page Rendered

522 ms

shultais.education screenshot

About Website

Welcome to shultais.education homepage info - get ready to check Shultais best content for Russia right away, or after learning these important things about shultais.education

Обучение программированию и базам данных с нуля с помощью видео уроков на онлайн курсах для новичков без предварительных навыков в Shultais Education.

Visit shultais.education

Key Findings

We analyzed Shultais.education page load time and found that the first response time was 297 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

shultais.education performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value2,130 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

shultais.education

297 ms

shultais.education

665 ms

reset.css

132 ms

styles.css

659 ms

magnific-popup.css

396 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 69% of them (44 requests) were addressed to the original Shultais.education, 6% (4 requests) were made to Top-fwz1.mail.ru and 5% (3 requests) were made to Code.jivosite.com. The less responsive or slowest element that took the longest time to load (924 ms) relates to the external source Top-fwz1.mail.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 399.8 kB (36%)

Content Size

1.1 MB

After Optimization

713.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shultais.education main page is 1.1 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. 45% of websites need less resources to load. Javascripts take 621.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 27.4 kB

  • Original 37.8 kB
  • After minification 37.1 kB
  • After compression 10.4 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 27.4 kB or 73% of the original size.

Image Optimization

-18%

Potential reduce by 32.1 kB

  • Original 178.6 kB
  • After minification 146.5 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. Obviously, Shultais needs image optimization as it can save up to 32.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 105.6 kB

  • Original 621.0 kB
  • After minification 615.0 kB
  • After compression 515.4 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 105.6 kB or 17% of the original size.

CSS Optimization

-85%

Potential reduce by 234.7 kB

  • Original 276.4 kB
  • After minification 275.6 kB
  • After compression 41.6 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. Shultais.education needs all CSS files to be minified and compressed as it can save up to 234.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (43%)

Requests Now

60

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shultais. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shultais.education

shultais.education

297 ms

shultais.education

shultais.education

665 ms

reset.css

reset.css

132 ms

styles.css

styles.css

659 ms

magnific-popup.css

magnific-popup.css

396 ms

promo.css

promo.css

667 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

670 ms

magnific-popup.js

magnific-popup.js

527 ms

js.cookie.js

js.cookie.js

396 ms

utils.js

utils.js

525 ms

main.js

main.js

670 ms

promo.js

promo.js

657 ms

jquery.smooth-scroll.js

jquery.smooth-scroll.js

669 ms

VxKhgJSh42

VxKhgJSh42

205 ms

css2

css2

32 ms

tag.js

tag.js

856 ms

analytics.js

analytics.js

87 ms

code.js

code.js

924 ms

logo-horizontal-white.png

logo-horizontal-white.png

134 ms

rocket@2x.png

rocket@2x.png

456 ms

python.svg

python.svg

196 ms

courses-params.png

courses-params.png

198 ms

sql.svg

sql.svg

199 ms

javascript.svg

javascript.svg

194 ms

algo.svg

algo.svg

252 ms

sql-pro.png

sql-pro.png

326 ms

html.svg

html.svg

329 ms

edcrunch-award-mult.svg

edcrunch-award-mult.svg

327 ms

mail_color.png

mail_color.png

331 ms

vtb_color.png

vtb_color.png

382 ms

sberbank_color.png

sberbank_color.png

457 ms

mts_color.png

mts_color.png

459 ms

psb_color.png

psb_color.png

458 ms

magnit_color.png

magnit_color.png

459 ms

soglasie_color.png

soglasie_color.png

514 ms

raiffeisen_color.png

raiffeisen_color.png

586 ms

hse_color.png

hse_color.png

587 ms

rudn_color.png

rudn_color.png

589 ms

sibur_color.png

sibur_color.png

590 ms

sgk_color.png

sgk_color.png

589 ms

kontur_color.png

kontur_color.png

644 ms

epam_color.png

epam_color.png

717 ms

playrix_color.png

playrix_color.png

718 ms

reviews-stars.png

reviews-stars.png

720 ms

review-quotes.svg

review-quotes.svg

720 ms

review-speech.svg

review-speech.svg

721 ms

avatar_m.svg

avatar_m.svg

775 ms

avatar_w.svg

avatar_w.svg

901 ms

reg_arrows.png

reg_arrows.png

903 ms

script.js

script.js

569 ms

jizaRExUiTo99u79P0U.ttf

jizaRExUiTo99u79P0U.ttf

26 ms

jizfRExUiTo99u79B_mh4Ok.ttf

jizfRExUiTo99u79B_mh4Ok.ttf

40 ms

VxKhgJSh42

VxKhgJSh42

340 ms

js

js

43 ms

VxKhgJSh42

VxKhgJSh42

549 ms

openapi.c340c125c61ec5745ebb2a98626e46ab.js

openapi.c340c125c61ec5745ebb2a98626e46ab.js

209 ms

rtrg

rtrg

163 ms

sync-loader.js

sync-loader.js

774 ms

counter

counter

130 ms

dyn-goal-config.js

dyn-goal-config.js

255 ms

advert.gif

advert.gif

725 ms

sync_cookie_image_decide

sync_cookie_image_decide

202 ms

bundle_ru_RU.js

bundle_ru_RU.js

50 ms

tracker

tracker

129 ms

Accessibility Review

shultais.education accessibility score

96

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.

Best Practices

shultais.education best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

shultais.education SEO score

95

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

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 Shultais.education 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 Shultais.education 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

shultais.education

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