Tools & Wizards About Us
zkm-zawiercie.com.pl screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

zkm-zawiercie.com.pl

Zakład Komunikacji Miejskiej Sp. z o.o. w Zawierciu

Page Load Speed

2.8 sec in total

First Response

470 ms

Resources Loaded

2.2 sec

Page Rendered

144 ms

zkm-zawiercie.com.pl screenshot

About Website

Visit zkm-zawiercie.com.pl now to see the best up-to-date Zkm Zawiercie Com content and also check out these interesting facts you probably never knew about zkm-zawiercie.com.pl

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Key Findings

We analyzed Zkm-zawiercie.com.pl page load time and found that the first response time was 470 ms and then it took 2.3 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

zkm-zawiercie.com.pl performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.145

77/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

zkm-zawiercie.com.pl

470 ms

www.zkm-zawiercie.com.pl

584 ms

style_szkiel.css

197 ms

style_glow.css

300 ms

font-awesome.min.css

304 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Zkm-zawiercie.com.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (891 ms) belongs to the original domain Zkm-zawiercie.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.3 kB (22%)

Content Size

352.2 kB

After Optimization

275.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zkm-zawiercie.com.pl main page is 352.2 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. 25% of websites need less resources to load. Images take 268.7 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 12.5 kB

  • Original 17.4 kB
  • After minification 17.0 kB
  • After compression 5.0 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 12.5 kB or 71% of the original size.

Image Optimization

-4%

Potential reduce by 11.1 kB

  • Original 268.7 kB
  • After minification 257.6 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. Zkm Zawiercie Com images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 2.2 kB

  • Original 3.1 kB
  • After minification 2.3 kB
  • After compression 907 B

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 2.2 kB or 70% of the original size.

CSS Optimization

-80%

Potential reduce by 50.6 kB

  • Original 63.0 kB
  • After minification 54.7 kB
  • After compression 12.4 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. Zkm-zawiercie.com.pl needs all CSS files to be minified and compressed as it can save up to 50.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (24%)

Requests Now

41

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zkm Zawiercie Com. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

zkm-zawiercie.com.pl

zkm-zawiercie.com.pl

470 ms

www.zkm-zawiercie.com.pl

www.zkm-zawiercie.com.pl

584 ms

style_szkiel.css

style_szkiel.css

197 ms

style_glow.css

style_glow.css

300 ms

font-awesome.min.css

font-awesome.min.css

304 ms

reklama.js

reklama.js

205 ms

switcher.js

switcher.js

205 ms

tloeee.jpg

tloeee.jpg

102 ms

linia.gif

linia.gif

106 ms

c1.jpg

c1.jpg

301 ms

iko1.gif

iko1.gif

104 ms

iko2.gif

iko2.gif

106 ms

iko3.gif

iko3.gif

106 ms

iko4.gif

iko4.gif

200 ms

kiedyprzyjedzie.png

kiedyprzyjedzie.png

301 ms

g1.gif

g1.gif

205 ms

g2.gif

g2.gif

204 ms

g3.gif

g3.gif

206 ms

g4.gif

g4.gif

299 ms

g5.gif

g5.gif

306 ms

g6.gif

g6.gif

307 ms

g7.gif

g7.gif

306 ms

zdjecie0222m.jpg

zdjecie0222m.jpg

396 ms

mal46.jpg

mal46.jpg

398 ms

sam_0533m.jpg

sam_0533m.jpg

399 ms

kreacja.gif

kreacja.gif

405 ms

box1.gif

box1.gif

398 ms

box-aktualnosci.gif

box-aktualnosci.gif

399 ms

ikon.gif

ikon.gif

487 ms

dalej.gif

dalej.gif

489 ms

box-galeria.gif

box-galeria.gif

486 ms

ajax2a.gif

ajax2a.gif

494 ms

preloader.gif

preloader.gif

494 ms

box-galeria1.gif

box-galeria1.gif

497 ms

box2.gif

box2.gif

583 ms

box3.gif

box3.gif

584 ms

box4.gif

box4.gif

584 ms

tlo_stopka.gif

tlo_stopka.gif

594 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

891 ms

robotocondensed-regular-webfont.woff

robotocondensed-regular-webfont.woff

796 ms

reklamacl.gif

reklamacl.gif

674 ms

proc_baner_wielkanoc_2016.jpg

proc_baner_wielkanoc_2016.jpg

874 ms

cookies.png

cookies.png

775 ms

zamknij.png

zamknij.png

616 ms

Accessibility Review

zkm-zawiercie.com.pl accessibility score

77

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

Best Practices

zkm-zawiercie.com.pl best practices score

75

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

SEO Factors

zkm-zawiercie.com.pl SEO score

83

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 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 Zkm-zawiercie.com.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 Zkm-zawiercie.com.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

zkm-zawiercie.com.pl

Open Graph description is not detected on the main page of Zkm Zawiercie Com. 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: