Tools & Wizards About Us
stolcad.pl screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

stolcad.pl

Sadowski Software | Programy do okien, drzwi i rolet

Page Load Speed

2.6 sec in total

First Response

320 ms

Resources Loaded

1.9 sec

Page Rendered

369 ms

stolcad.pl screenshot

About Website

Welcome to stolcad.pl homepage info - get ready to check Stolcad best content right away, or after learning these important things about stolcad.pl

Firma Sadowski Software to producent najpopularniejszych programów marki STOLCAD do rysowania, wyceny i produkcji okien, drzwi oraz rolet

Visit stolcad.pl

Key Findings

We analyzed Stolcad.pl page load time and found that the first response time was 320 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

stolcad.pl performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,360 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

stolcad.pl

320 ms

www.stolcad.com

590 ms

style4-full-1.0.0.min.css

121 ms

jquery-3.5.1.min.js

238 ms

js-full.min.js

533 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Stolcad.pl, 80% (33 requests) were made to Stolcad.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (682 ms) relates to the external source Stolcad.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.9 kB (3%)

Content Size

781.9 kB

After Optimization

761.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stolcad.pl main page is 781.9 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. 40% of websites need less resources to load. Images take 414.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 19.0 kB

  • Original 26.9 kB
  • After minification 26.6 kB
  • After compression 7.9 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 19.0 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 3 B

  • Original 414.6 kB
  • After minification 414.6 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. Stolcad images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.7 kB

  • Original 320.1 kB
  • After minification 320.1 kB
  • After compression 318.5 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

-1%

Potential reduce by 264 B

  • Original 20.3 kB
  • After minification 20.3 kB
  • After compression 20.1 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. Stolcad.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (22%)

Requests Now

37

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stolcad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

stolcad.pl

stolcad.pl

320 ms

www.stolcad.com

www.stolcad.com

590 ms

style4-full-1.0.0.min.css

style4-full-1.0.0.min.css

121 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

238 ms

js-full.min.js

js-full.min.js

533 ms

css2

css2

36 ms

css2

css2

54 ms

jplayer-video.min.js

jplayer-video.min.js

427 ms

jplayer-playlist.min.js

jplayer-playlist.min.js

321 ms

api.js

api.js

35 ms

formularz.min.js

formularz.min.js

337 ms

cookie-regulamin-get.min.js

cookie-regulamin-get.min.js

338 ms

gtm.js

gtm.js

72 ms

menu-hamburger.png

menu-hamburger.png

160 ms

sadowski-software.png

sadowski-software.png

190 ms

flaga-pol.png

flaga-pol.png

209 ms

menu-stolcad.png

menu-stolcad.png

209 ms

stolcad-professional-okna-pol.jpg

stolcad-professional-okna-pol.jpg

225 ms

stolcad-professional-rolety-pol.jpg

stolcad-professional-rolety-pol.jpg

389 ms

stolcad-webshop-pol.jpg

stolcad-webshop-pol.jpg

389 ms

magazyn-produkcyjny-pol.jpg

magazyn-produkcyjny-pol.jpg

419 ms

stolcad-business-pol.jpg

stolcad-business-pol.jpg

420 ms

polska.png

polska.png

336 ms

0012.png

0012.png

386 ms

0013.png

0013.png

449 ms

0014.png

0014.png

492 ms

loader.gif

loader.gif

496 ms

arrow-top.png

arrow-top.png

495 ms

v.png

v.png

509 ms

background.png

background.png

512 ms

stolcad-professional-icon.png

stolcad-professional-icon.png

540 ms

video-play-min.svg

video-play-min.svg

576 ms

video-stop-min.svg

video-stop-min.svg

582 ms

video-fullscreen-min.svg

video-fullscreen-min.svg

583 ms

stolcad-business-icon.png

stolcad-business-icon.png

620 ms

dealer-professional-icon.png

dealer-professional-icon.png

624 ms

stolcad-webshop-icon.png

stolcad-webshop-icon.png

650 ms

stolcad-mobile-icon.png

stolcad-mobile-icon.png

682 ms

recaptcha__en.js

recaptcha__en.js

39 ms

SLXHc1jY5nQ8JUI.ttf

SLXHc1jY5nQ8JUI.ttf

89 ms

NaPecZTIAOhVxoMyOr9n_E7fRMQ.ttf

NaPecZTIAOhVxoMyOr9n_E7fRMQ.ttf

90 ms

Accessibility Review

stolcad.pl accessibility score

89

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

stolcad.pl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

stolcad.pl SEO score

79

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

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 doesn't use 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 Stolcad.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 Stolcad.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

stolcad.pl

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