Tools & Wizards About Us
virtualstudy.pl screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

virtualstudy.pl

VirtualStudy.pro technologie w zasięgu ręki - Home

Page Load Speed

6.2 sec in total

First Response

474 ms

Resources Loaded

5.5 sec

Page Rendered

222 ms

virtualstudy.pl screenshot

About Website

Click here to check amazing Virtual Study content. Otherwise, check out these important facts you probably never knew about virtualstudy.pl

VirtualStudy.pro - portal na temat wirtualnej nauki, egzaminów, materiałów szkoleniowych, szkoleń informatycznych.

Visit virtualstudy.pl

Key Findings

We analyzed Virtualstudy.pl page load time and found that the first response time was 474 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

virtualstudy.pl performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value4,120 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

virtualstudy.pl

474 ms

virtualstudy.pro

387 ms

1537 ms

screen.css

124 ms

module.css

257 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Virtualstudy.pl, 72% (78 requests) were made to Virtualstudy.pro and 10% (11 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Virtualstudy.pro.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.0 kB (9%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Virtualstudy.pl main page is 1.5 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. 70% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 59.6 kB

  • Original 73.7 kB
  • After minification 58.2 kB
  • After compression 14.1 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 15.6 kB, which is 21% 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 59.6 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 50.7 kB

  • Original 1.0 MB
  • After minification 971.5 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. Virtual Study images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 6.1 kB

  • Original 301.3 kB
  • After minification 301.0 kB
  • After compression 295.1 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

-13%

Potential reduce by 11.6 kB

  • Original 87.8 kB
  • After minification 86.0 kB
  • After compression 76.2 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. Virtualstudy.pl needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (47%)

Requests Now

103

After Optimization

55

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virtual Study. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

virtualstudy.pl

virtualstudy.pl

474 ms

virtualstudy.pro

virtualstudy.pro

387 ms

1537 ms

screen.css

screen.css

124 ms

module.css

module.css

257 ms

style.css

style.css

386 ms

jquery.min.js

jquery.min.js

30 ms

jquery.noconflict.js

jquery.noconflict.js

494 ms

mootools-core.js

mootools-core.js

618 ms

core.js

core.js

497 ms

caption.js

caption.js

498 ms

all.js

all.js

25 ms

mootools-more.js

mootools-more.js

746 ms

slider.js

slider.js

507 ms

style.css

style.css

616 ms

system.css

system.css

634 ms

position.css

position.css

633 ms

layout.css

layout.css

634 ms

general.css

general.css

742 ms

general_mozilla.css

general_mozilla.css

739 ms

personal.css

personal.css

742 ms

hide.js

hide.js

791 ms

marquee_stop.js

marquee_stop.js

792 ms

all.js

all.js

5 ms

system.css

system.css

126 ms

bg.png

bg.png

128 ms

pl.png

pl.png

124 ms

en.png

en.png

122 ms

basket.png

basket.png

125 ms

loope_pl.png

loope_pl.png

127 ms

header_btn1.png

header_btn1.png

124 ms

header_btn2_n.png

header_btn2_n.png

264 ms

header_btn3_n.png

header_btn3_n.png

267 ms

pilne.png

pilne.png

267 ms

personal2.png

personal2.png

269 ms

loader.gif

loader.gif

269 ms

tanie_szkolenia.png

tanie_szkolenia.png

270 ms

csharp-pro2.png

csharp-pro2.png

617 ms

linux.jpg

linux.jpg

581 ms

vmware_session.png

vmware_session.png

584 ms

mvc_session.png

mvc_session.png

585 ms

raspberry_session.png

raspberry_session.png

584 ms

prelegent.png

prelegent.png

586 ms

malone_session.png

malone_session.png

585 ms

ipv6_session.png

ipv6_session.png

643 ms

actdir_session.png

actdir_session.png

645 ms

backup_sql.png

backup_sql.png

813 ms

sql_server_2016_session.png

sql_server_2016_session.png

810 ms

ecke.gif

ecke.gif

645 ms

navi_active.png

navi_active.png

812 ms

400nagran.png

400nagran.png

813 ms

800godzin.png

800godzin.png

813 ms

20tys_klientow.png

20tys_klientow.png

809 ms

1tys_online.png

1tys_online.png

953 ms

150_prelegentow.png

150_prelegentow.png

958 ms

pieniadze-i-czas.png

pieniadze-i-czas.png

953 ms

virtualstudy_pro.png

virtualstudy_pro.png

953 ms

linux-logo.png

linux-logo.png

1059 ms

vip_2019.png

vip_2019.png

952 ms

admin-linux_m.png

admin-linux_m.png

1054 ms

pti_o_gornoslaski.png

pti_o_gornoslaski.png

1047 ms

Ikrit-NS4Fo

Ikrit-NS4Fo

178 ms

like.php

like.php

135 ms

like.php

like.php

1155 ms

like.php

like.php

526 ms

like_box.php

like_box.php

521 ms

virtual-it.pl.png

virtual-it.pl.png

935 ms

webio.pl_logo.png

webio.pl_logo.png

942 ms

mvp_horizontal.jpg

mvp_horizontal.jpg

943 ms

150x50-FB.jpg

150x50-FB.jpg

1054 ms

camtasia.png

camtasia.png

1054 ms

dg_logo_150.png

dg_logo_150.png

1055 ms

fy_wU0FBvkG.js

fy_wU0FBvkG.js

82 ms

FEppCFCt76d.png

FEppCFCt76d.png

84 ms

www-player.css

www-player.css

12 ms

www-embed-player.js

www-embed-player.js

37 ms

base.js

base.js

75 ms

rss.png

rss.png

919 ms

Facebook.png

Facebook.png

922 ms

Twitter.png

Twitter.png

921 ms

LinkedIn.png

LinkedIn.png

1032 ms

feedback.png

feedback.png

1032 ms

facebook.png

facebook.png

1032 ms

qPVc89Xtqb-imYcu3PoxhWFQIHn6RU05s_zP8PhWsV0.js

qPVc89Xtqb-imYcu3PoxhWFQIHn6RU05s_zP8PhWsV0.js

106 ms

embed.js

embed.js

61 ms

Ql-UNnxapLj.css

Ql-UNnxapLj.css

38 ms

VWDhCULazb5.js

VWDhCULazb5.js

77 ms

o1ndYS2og_B.js

o1ndYS2og_B.js

44 ms

mP12tTiNgO_.js

mP12tTiNgO_.js

72 ms

5xOV5e9oy4e.js

5xOV5e9oy4e.js

73 ms

owo2sPJxB2z.js

owo2sPJxB2z.js

71 ms

p55HfXW__mM.js

p55HfXW__mM.js

70 ms

arrow2_grey.png

arrow2_grey.png

724 ms

overlay.png

overlay.png

725 ms

social_top.png

social_top.png

725 ms

social_bg.png

social_bg.png

838 ms

social_bottom.png

social_bottom.png

838 ms

top_button.png

top_button.png

823 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

213 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

216 ms

przez_b.png

przez_b.png

815 ms

299154025_472097531581642_1575050326641231839_n.png

299154025_472097531581642_1575050326641231839_n.png

257 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

103 ms

Create

Create

27 ms

bullets5.png

bullets5.png

593 ms

GenerateIT

GenerateIT

21 ms

fy_wU0FBvkG.js

fy_wU0FBvkG.js

11 ms

print.css

print.css

125 ms

Accessibility Review

virtualstudy.pl accessibility score

80

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.

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

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

High

Form elements do not have associated labels

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

virtualstudy.pl best practices score

67

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

Page has valid source maps

SEO Factors

virtualstudy.pl SEO score

69

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

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Virtualstudy.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Virtualstudy.pl 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

virtualstudy.pl

Open Graph data is detected on the main page of Virtual Study. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: