Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

kz.com.pl

Bielizna nocna, pościele, ręczniki, koce i narzuty | Hurtownia Kaczmarek-Zakrzewski

Page Load Speed

3.6 sec in total

First Response

396 ms

Resources Loaded

2.7 sec

Page Rendered

525 ms

kz.com.pl screenshot

About Website

Click here to check amazing Kz Com content. Otherwise, check out these important facts you probably never knew about kz.com.pl

Oferujemy bieliznę nocną, pościele, ręczniki, koce, narzuty i wiele innych w atrakcyjnych cenach. Zachęcamy do kontaktu z nami!

Visit kz.com.pl

Key Findings

We analyzed Kz.com.pl page load time and found that the first response time was 396 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

kz.com.pl performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value1,070 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.139

79/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

kz.com.pl

396 ms

kz.com.pl

852 ms

analytics.js

18 ms

collect

12 ms

collect

25 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 56% of them (23 requests) were addressed to the original Kz.com.pl, 29% (12 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Kz.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 569.4 kB (27%)

Content Size

2.1 MB

After Optimization

1.5 MB

In fact, the total size of Kz.com.pl main page is 2.1 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 553.2 kB

  • Original 636.9 kB
  • After minification 636.8 kB
  • After compression 83.7 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 553.2 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 4.6 kB

  • Original 1.2 MB
  • After minification 1.2 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. Kz Com images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 11.5 kB

  • Original 199.2 kB
  • After minification 199.2 kB
  • After compression 187.7 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

-8%

Potential reduce by 61 B

  • Original 800 B
  • After minification 800 B
  • After compression 739 B

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. Kz.com.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (28%)

Requests Now

25

After Optimization

18

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kz Com. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kz.com.pl accessibility score

98

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

kz.com.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

kz.com.pl SEO score

100

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

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 Kz.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 Kz.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

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