Tools & Wizards About Us
bialykruk.pl screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

bialykruk.pl

Biały Kruk - książki, portal, sklep

Page Load Speed

4.9 sec in total

First Response

339 ms

Resources Loaded

4.3 sec

Page Rendered

277 ms

bialykruk.pl screenshot

About Website

Welcome to bialykruk.pl homepage info - get ready to check Bialy Kruk best content for Poland right away, or after learning these important things about bialykruk.pl

Biały Kruk to wydawnictwo, a zarazem księgarnia religijna gromadząca najbardziej wartościowe pozycje literatury katolickiej. Oprócz książek natury religijnej w swoim asortymencie posiadamy interesując...

Visit bialykruk.pl

Key Findings

We analyzed Bialykruk.pl page load time and found that the first response time was 339 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bialykruk.pl performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

19/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value1,530 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.14

79/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

bialykruk.pl

339 ms

www.bialykruk.pl

1186 ms

f05d5d3.css

590 ms

7a88d3c.png

238 ms

a0125b3.png

239 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 94% of them (95 requests) were addressed to the original Bialykruk.pl, 2% (2 requests) were made to Ajax.googleapis.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Bialykruk.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 330.0 kB (11%)

Content Size

3.0 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bialykruk.pl main page is 3.0 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. 70% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 43.6 kB

  • Original 55.3 kB
  • After minification 45.9 kB
  • After compression 11.8 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. This page needs HTML code to be minified as it can gain 9.5 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 43.6 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 113.4 kB

  • Original 2.7 MB
  • After minification 2.6 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. Bialy Kruk images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 102.3 kB

  • Original 182.5 kB
  • After minification 150.1 kB
  • After compression 80.2 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 102.3 kB or 56% of the original size.

CSS Optimization

-85%

Potential reduce by 70.7 kB

  • Original 83.4 kB
  • After minification 63.7 kB
  • After compression 12.7 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. Bialykruk.pl needs all CSS files to be minified and compressed as it can save up to 70.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (3%)

Requests Now

96

After Optimization

93

  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bialy Kruk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bialykruk.pl

bialykruk.pl

339 ms

www.bialykruk.pl

www.bialykruk.pl

1186 ms

f05d5d3.css

f05d5d3.css

590 ms

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7a88d3c.png

238 ms

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239 ms

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240 ms

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241 ms

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345 ms

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447 ms

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448 ms

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450 ms

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451 ms

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462 ms

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563 ms

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565 ms

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567 ms

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568 ms

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579 ms

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687 ms

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684 ms

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684 ms

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688 ms

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694 ms

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697 ms

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800 ms

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800 ms

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803 ms

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803 ms

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707 ms

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708 ms

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812 ms

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812 ms

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930 ms

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932 ms

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940 ms

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825 ms

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1162 ms

jquery.min.js

jquery.min.js

31 ms

jquery-ui.min.js

jquery-ui.min.js

54 ms

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39029e6.js

1405 ms

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939 ms

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1159 ms

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1162 ms

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1051 ms

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951 ms

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1067 ms

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1080 ms

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1081 ms

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1244 ms

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1234 ms

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1203 ms

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1203 ms

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1130 ms

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1198 ms

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1300 ms

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1241 ms

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1085 ms

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1313 ms

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1316 ms

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1198 ms

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1187 ms

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1416 ms

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1195 ms

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1315 ms

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1198 ms

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1428 ms

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1421 ms

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1420 ms

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1318 ms

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1428 ms

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1302 ms

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1431 ms

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1314 ms

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1306 ms

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1187 ms

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1086 ms

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1182 ms

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1182 ms

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1080 ms

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1079 ms

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972 ms

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1064 ms

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1064 ms

analytics.js

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57 ms

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901 ms

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910 ms

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910 ms

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912 ms

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collect

26 ms

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collect

67 ms

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943 ms

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1179 ms

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943 ms

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941 ms

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40 ms

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833 ms

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839 ms

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943 ms

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943 ms

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830 ms

Accessibility Review

bialykruk.pl accessibility score

67

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

bialykruk.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

bialykruk.pl SEO score

75

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bialykruk.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Bialykruk.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

bialykruk.pl

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