Tools & Wizards About Us
koszulker.pl screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

koszulker.pl

Koszulker.pl - koszulki z nadrukiem - Wyraź emocje. Oryginalnie.

Page Load Speed

9 sec in total

First Response

266 ms

Resources Loaded

8.3 sec

Page Rendered

493 ms

koszulker.pl screenshot

About Website

Click here to check amazing Koszulker content for Poland. Otherwise, check out these important facts you probably never knew about koszulker.pl

Czego tu nie ma! T-shirty, koszulki, bodziaki z oryginalnymi nadrukami. Najwyższej jakości asortyment. Błyskawiczna realizacja zamówień. Sprawdź pełną ofertę i daj się pozytywnie zaskoczyć! :)

Visit koszulker.pl

Key Findings

We analyzed Koszulker.pl page load time and found that the first response time was 266 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

koszulker.pl performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

31/100

10%

LCP (Largest Contentful Paint)

Value25.8 s

0/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

koszulker.pl

266 ms

koszulker.pl

901 ms

css2

31 ms

style_subdomain.css

355 ms

jquery-ui-1.9.2.custom.min.css

351 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 86% of them (31 requests) were addressed to the original Koszulker.pl, 8% (3 requests) were made to Googletagmanager.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (6.8 sec) belongs to the original domain Koszulker.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.8 MB (51%)

Content Size

9.3 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koszulker.pl main page is 9.3 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. 50% of websites need less resources to load. Images take 9.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 63.3 kB

  • Original 73.2 kB
  • After minification 72.0 kB
  • After compression 9.9 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 63.3 kB or 86% of the original size.

Image Optimization

-51%

Potential reduce by 4.7 MB

  • Original 9.1 MB
  • After minification 4.5 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. Obviously, Koszulker needs image optimization as it can save up to 4.7 MB or 51% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.4 kB

  • Original 99.1 kB
  • After minification 99.1 kB
  • After compression 97.7 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

-9%

Potential reduce by 1.3 kB

  • Original 15.4 kB
  • After minification 15.4 kB
  • After compression 14.0 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. Koszulker.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (18%)

Requests Now

33

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koszulker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

koszulker.pl

koszulker.pl

266 ms

koszulker.pl

koszulker.pl

901 ms

css2

css2

31 ms

style_subdomain.css

style_subdomain.css

355 ms

jquery-ui-1.9.2.custom.min.css

jquery-ui-1.9.2.custom.min.css

351 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

468 ms

site.js

site.js

357 ms

lazysizes.min.js

lazysizes.min.js

358 ms

js

js

61 ms

jquery-ui-1.9.2.custom.min.js

jquery-ui-1.9.2.custom.min.js

700 ms

js

js

85 ms

js

js

39 ms

logo4.png

logo4.png

233 ms

search.png

search.png

120 ms

baner_bg_3_20231009202506.jpg

baner_bg_3_20231009202506.jpg

3835 ms

baner_3_20231009202506.png

baner_3_20231009202506.png

4326 ms

baner_bg_3_20240315090334.jpg

baner_bg_3_20240315090334.jpg

2319 ms

baner_3_20240315090334.png

baner_3_20240315090334.png

4406 ms

baner_bg_3_20240220144809.jpg

baner_bg_3_20240220144809.jpg

3134 ms

baner_3_20240220144809.png

baner_3_20240220144809.png

6750 ms

ui-icons_222222_256x240.png

ui-icons_222222_256x240.png

2436 ms

baner_2_20201014002533.png

baner_2_20201014002533.png

2898 ms

baner_2_20201014002732.png

baner_2_20201014002732.png

3360 ms

bg_bottom_sub.jpg

bg_bottom_sub.jpg

3373 ms

partnerzy.png

partnerzy.png

3478 ms

fb_logo.png

fb_logo.png

3490 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

3595 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvgUE.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvgUE.ttf

20 ms

416_1.jpg

416_1.jpg

3703 ms

1301_1.jpg

1301_1.jpg

3811 ms

25_1.jpg

25_1.jpg

3823 ms

2570_7.jpg

2570_7.jpg

3935 ms

3160_16.jpg

3160_16.jpg

3684 ms

3158_1.jpg

3158_1.jpg

3691 ms

3154_4.jpg

3154_4.jpg

3922 ms

3163_1.jpg

3163_1.jpg

3798 ms

Accessibility Review

koszulker.pl accessibility score

100

Accessibility Issues

Best Practices

koszulker.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

koszulker.pl SEO score

67

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 Koszulker.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 Koszulker.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

koszulker.pl

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