Tools & Wizards About Us
jw-system.pl screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jw-system.pl

O Nas Szczecin – Antykorozja Prace antykorozyjne Powłoki ognioochronne i antykorozyjne Antykorozja stali i betonu Konstrukcje stalowe i betonowe Powło...

Page Load Speed

4.5 sec in total

First Response

376 ms

Resources Loaded

3.7 sec

Page Rendered

448 ms

jw-system.pl screenshot

About Website

Visit jw-system.pl now to see the best up-to-date Jw System content and also check out these interesting facts you probably never knew about jw-system.pl

JW SYSTEM Szczecin - Antykorozja w Szczecinie antykorozja ze stali i betonu Szczecin, konstrukcje stalowe i betonowe, zbiorniki betonowe Szczecin, malowanie natryskowe i malowanie przemysłowe w Szczec...

Visit jw-system.pl

Key Findings

We analyzed Jw-system.pl page load time and found that the first response time was 376 ms and then it took 4.2 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

jw-system.pl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

jw-system.pl

376 ms

www.jw-system.pl

693 ms

widgetkit-fa0e8abd.css

131 ms

base.css

235 ms

layout.css

236 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 71% of them (89 requests) were addressed to the original Jw-system.pl, 10% (12 requests) were made to Static.xx.fbcdn.net and 5% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Jw-system.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 335.7 kB (13%)

Content Size

2.7 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jw-system.pl 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. 65% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 49.2 kB

  • Original 62.6 kB
  • After minification 61.3 kB
  • After compression 13.4 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 49.2 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 233.9 kB

  • Original 2.3 MB
  • After minification 2.1 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. Jw System images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 42.9 kB

  • Original 297.5 kB
  • After minification 297.5 kB
  • After compression 254.6 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 42.9 kB or 14% of the original size.

CSS Optimization

-35%

Potential reduce by 9.7 kB

  • Original 28.1 kB
  • After minification 27.5 kB
  • After compression 18.3 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. Jw-system.pl needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (58%)

Requests Now

121

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jw System. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jw-system.pl

jw-system.pl

376 ms

www.jw-system.pl

www.jw-system.pl

693 ms

widgetkit-fa0e8abd.css

widgetkit-fa0e8abd.css

131 ms

base.css

base.css

235 ms

layout.css

layout.css

236 ms

menus.css

menus.css

242 ms

modules.css

modules.css

244 ms

tools.css

tools.css

252 ms

system.css

system.css

250 ms

extensions.css

extensions.css

351 ms

custom.css

custom.css

351 ms

animations.css

animations.css

362 ms

blue.css

blue.css

363 ms

pixel.css

pixel.css

369 ms

arial.css

arial.css

388 ms

arial.css

arial.css

467 ms

style.css

style.css

467 ms

print.css

print.css

482 ms

mootools-uncompressed.js

mootools-uncompressed.js

728 ms

caption.js

caption.js

514 ms

widgets.js

widgets.js

6 ms

jquery.js

jquery.js

687 ms

widgetkit-d1cf0f62.js

widgetkit-d1cf0f62.js

720 ms

warp.js

warp.js

584 ms

accordionmenu.js

accordionmenu.js

601 ms

dropdownmenu.js

dropdownmenu.js

634 ms

template.js

template.js

702 ms

search.js

search.js

724 ms

plusone.js

plusone.js

18 ms

all.js

all.js

20 ms

base.css

base.css

528 ms

layout.css

layout.css

582 ms

menus.css

menus.css

583 ms

modules.css

modules.css

598 ms

system.css

system.css

601 ms

system.css

system.css

602 ms

system-all.css

system-all.css

634 ms

tools.css

tools.css

692 ms

print.css

print.css

457 ms

all.js

all.js

41 ms

blank.png

blank.png

148 ms

logo.png

logo.png

311 ms

jw_system_1-2f8655ebce.jpg

jw_system_1-2f8655ebce.jpg

279 ms

jw_system_10-9ea417b532.jpg

jw_system_10-9ea417b532.jpg

412 ms

jw_system_11-6b476b2249.jpg

jw_system_11-6b476b2249.jpg

313 ms

jw_system_12-60d22586ce.JPG

jw_system_12-60d22586ce.JPG

393 ms

jw_system_13-ac8e7cf541.jpg

jw_system_13-ac8e7cf541.jpg

430 ms

jw_system_14-30810e6d4d.jpg

jw_system_14-30810e6d4d.jpg

526 ms

jw_system_15-9c2688069a.JPG

jw_system_15-9c2688069a.JPG

490 ms

jw_system_16-e54dec3410.JPG

jw_system_16-e54dec3410.JPG

607 ms

jw_system_17-dc64a86930.jpg

jw_system_17-dc64a86930.jpg

680 ms

jw_system_18-5ba94c764d.JPG

jw_system_18-5ba94c764d.JPG

673 ms

jw_system_19-d217de17eb.jpg

jw_system_19-d217de17eb.jpg

695 ms

jw_system_2-01d92753fe.jpg

jw_system_2-01d92753fe.jpg

659 ms

jw_system_20-fdb055da02.jpg

jw_system_20-fdb055da02.jpg

676 ms

jw_system_3-9ad295e19a.jpg

jw_system_3-9ad295e19a.jpg

814 ms

jw_system_4-33adbe26d2.jpg

jw_system_4-33adbe26d2.jpg

841 ms

jw_system_5-2c3e3a4bfc.jpg

jw_system_5-2c3e3a4bfc.jpg

848 ms

jw_system_6-e43986b536.jpg

jw_system_6-e43986b536.jpg

840 ms

jw_system_7-8a83b622ce.jpg

jw_system_7-8a83b622ce.jpg

852 ms

jw_system_8-02f49f47d2.jpg

jw_system_8-02f49f47d2.jpg

914 ms

jw_system_9-8b014b9fd4.JPG

jw_system_9-8b014b9fd4.JPG

985 ms

most.jpg

most.jpg

979 ms

rzetelna_firma.png

rzetelna_firma.png

996 ms

instytut.jpg

instytut.jpg

993 ms

logo_iso.jpg

logo_iso.jpg

1002 ms

psk_logo.png

psk_logo.png

1056 ms

logo_ZIELONA_CHEMIA.jpg

logo_ZIELONA_CHEMIA.jpg

1117 ms

mapka.jpg

mapka.jpg

1153 ms

remont_statku.jpg

remont_statku.jpg

1161 ms

budownictwo_drogowe.jpg

budownictwo_drogowe.jpg

1164 ms

hale.jpg

hale.jpg

1171 ms

nadzor.jpg

nadzor.jpg

1204 ms

pfr.jpg

pfr.jpg

1289 ms

icons_social_mini.png

icons_social_mini.png

1280 ms

24a.png

24a.png

1294 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

82 ms

ga.js

ga.js

87 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

131 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

52 ms

fastbutton

fastbutton

51 ms

like.php

like.php

233 ms

like_box.php

like_box.php

375 ms

main.png

main.png

1211 ms

__utm.gif

__utm.gif

34 ms

postmessageRelay

postmessageRelay

39 ms

settings

settings

103 ms

544727282-postmessagerelay.js

544727282-postmessagerelay.js

25 ms

rpc:shindig_random.js

rpc:shindig_random.js

12 ms

developers.google.com

developers.google.com

251 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

menubar.png

menubar.png

1030 ms

menu_dropdown_level3.png

menu_dropdown_level3.png

1019 ms

searchbox_magnifier.png

searchbox_magnifier.png

1099 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

3 ms

embeds

embeds

27 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.pl.html

tweet_button.2f70fb173b9000da126c79afe2098f02.pl.html

14 ms

egn1bxb8juf.js

egn1bxb8juf.js

22 ms

FEppCFCt76d.png

FEppCFCt76d.png

13 ms

breadcrumbs_home.png

breadcrumbs_home.png

1016 ms

content.png

content.png

1014 ms

mod_box_header.png

mod_box_header.png

1020 ms

mod_box.png

mod_box.png

961 ms

pMzIT5TYEYf.css

pMzIT5TYEYf.css

9 ms

JolcBBbIaOR.js

JolcBBbIaOR.js

13 ms

o1ndYS2og_B.js

o1ndYS2og_B.js

13 ms

eKB4_807hnA.js

eKB4_807hnA.js

37 ms

s23ZuKml3wQ.js

s23ZuKml3wQ.js

38 ms

_uEhsxKAS3c.js

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37 ms

9f_Alkp5qWb.js

9f_Alkp5qWb.js

35 ms

p55HfXW__mM.js

p55HfXW__mM.js

35 ms

bottom.png

bottom.png

983 ms

294820115_765102747941151_3184367425811731336_n.jpg

294820115_765102747941151_3184367425811731336_n.jpg

192 ms

ggald9hpiKE.js

ggald9hpiKE.js

9 ms

294122920_765102751274484_8876034460356130095_n.jpg

294122920_765102751274484_8876034460356130095_n.jpg

94 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

7 ms

mod_box_bottom.png

mod_box_bottom.png

919 ms

list_line_icon.png

list_line_icon.png

878 ms

list_line_bottom.png

list_line_bottom.png

870 ms

mod_line_bottom.png

mod_line_bottom.png

895 ms

button_more_color.png

button_more_color.png

892 ms

footer.png

footer.png

934 ms

like_box.php

like_box.php

133 ms

totop_scroller.png

totop_scroller.png

829 ms

menu_line_item.png

menu_line_item.png

822 ms

Accessibility Review

jw-system.pl accessibility score

78

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

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jw-system.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

Browser errors were logged to the console

SEO Factors

jw-system.pl SEO score

92

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

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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jw-system.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 Jw-system.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

jw-system.pl

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