Tools & Wizards About Us
danowski.pl screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 55% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

danowski.pl

Bartosz Danowski

Page Load Speed

6.4 sec in total

First Response

1.6 sec

Resources Loaded

3.5 sec

Page Rendered

1.3 sec

danowski.pl screenshot

About Website

Visit danowski.pl now to see the best up-to-date Danowski content for Poland and also check out these interesting facts you probably never knew about danowski.pl

Autor książek i artykułów z dziedziny informatyki. Współpracuje z Wydawnictwem Helion. Jego książki sprzedały się w liczbie ponad 350 000 egzemplarzy.

Visit danowski.pl

Key Findings

We analyzed Danowski.pl page load time and found that the first response time was 1.6 sec and then it took 4.8 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

danowski.pl performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.577

12/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

danowski.pl

1615 ms

ga.js

50 ms

wp-emoji-release.min.js

407 ms

validationEngine.jquery.css

285 ms

public.css

277 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 58% of them (31 requests) were addressed to the original Danowski.pl, 8% (4 requests) were made to Helion.pl and 8% (4 requests) were made to . The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Danowski.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 301.8 kB (26%)

Content Size

1.2 MB

After Optimization

861.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Danowski.pl main page is 1.2 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. 45% of websites need less resources to load. Images take 764.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 90.2 kB

  • Original 116.4 kB
  • After minification 115.0 kB
  • After compression 26.2 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 90.2 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 360 B

  • Original 764.5 kB
  • After minification 764.1 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. Danowski images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 178.7 kB

  • Original 242.0 kB
  • After minification 204.2 kB
  • After compression 63.3 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 178.7 kB or 74% of the original size.

CSS Optimization

-80%

Potential reduce by 32.5 kB

  • Original 40.6 kB
  • After minification 32.7 kB
  • After compression 8.1 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. Danowski.pl needs all CSS files to be minified and compressed as it can save up to 32.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (66%)

Requests Now

47

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Danowski. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

danowski.pl

danowski.pl

1615 ms

ga.js

ga.js

50 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

407 ms

validationEngine.jquery.css

validationEngine.jquery.css

285 ms

public.css

public.css

277 ms

style.css

style.css

393 ms

responsive.css

responsive.css

257 ms

flexslider.css

flexslider.css

522 ms

ksiegarnia.css

ksiegarnia.css

537 ms

wyszukiwarka.css

wyszukiwarka.css

553 ms

jquery.min.js

jquery.min.js

173 ms

widget_kategorie.js

widget_kategorie.js

645 ms

czr2eya.js

czr2eya.js

216 ms

__utm.gif

__utm.gif

20 ms

collect

collect

81 ms

platform.js

platform.js

138 ms

pinit.js

pinit.js

18 ms

cookie.js

cookie.js

332 ms

flexslider.js

flexslider.js

383 ms

custom.js

custom.js

384 ms

wp-embed.min.js

wp-embed.min.js

403 ms

jquery.validationEngine-pl.js

jquery.validationEngine-pl.js

423 ms

jquery.validationEngine.js

jquery.validationEngine.js

869 ms

front-subscribers.js

front-subscribers.js

512 ms

d

d

432 ms

wi10se.jpg

wi10se.jpg

961 ms

wi10wy.jpg

wi10wy.jpg

952 ms

farmsi.jpg

farmsi.jpg

961 ms

mintab.jpg

mintab.jpg

960 ms

avatar.jpg

avatar.jpg

309 ms

ex131v-150x210.jpg

ex131v-150x210.jpg

540 ms

Image5-150x210.png

Image5-150x210.png

337 ms

ebook-150x210.jpg

ebook-150x210.jpg

356 ms

cwmoko.jpg

cwmoko.jpg

955 ms

sdk.js

sdk.js

576 ms

header-bck.jpg

header-bck.jpg

559 ms

facebook-icon.png

facebook-icon.png

552 ms

twitter-icon.png

twitter-icon.png

550 ms

googleplus-icon.png

googleplus-icon.png

552 ms

menu-arrow.png

menu-arrow.png

553 ms

footer-bck.jpg

footer-bck.jpg

680 ms

go-to-top.png

go-to-top.png

557 ms

slider-arrow-left.png

slider-arrow-left.png

182 ms

slider-arrow-right.png

slider-arrow-right.png

181 ms

p.gif

p.gif

167 ms

pinit_main.js

pinit_main.js

117 ms

7PPgGXsLueAAAAA==

7PPgGXsLueAAAAA==

99 ms

sFPTmIyU5jKNKYzg5nMYjZzmMs85rOAhSxiMUtYSjLLWM4KVrKK1axhLetYT4qzwRvYyCY2s4WtbGM7aaSzw9ntnewikyx2s4e9ZJPDPvZzgIMc4jC5HOEoxzjOCU5yitOc4SznOM8FLpLHJS6TzxWuUsA1rnODm9ziNnco5C5FFHOP+zz4Bl7C7ngAAAA=

sFPTmIyU5jKNKYzg5nMYjZzmMs85rOAhSxiMUtYSjLLWM4KVrKK1axhLetYT4qzwRvYyCY2s4WtbGM7aaSzw9ntnewikyx2s4e9ZJPDPvZzgIMc4jC5HOEoxzjOCU5yitOc4SznOM8FLpLHJS6TzxWuUsA1rnODm9ziNnco5C5FFHOP+zz4Bl7C7ngAAAA=

102 ms

sFPTmIyU5jKNKYzg5nMYjZzmMs85rOAhSxiMUtYSjLLWM4KVrKK1axhLetYT4qzwRvYyCY2s4WtbGM7aaSzw9ntnewikyx2s4e9ZJPDPvZzgIMc4jC5HOEoxzjOCU5yitOc4SznOM8FLpLHJS6TzxWuUsA1rnODm9ziNnco5C5FFHOP+zz4Bl7C7ngAAAA=

sFPTmIyU5jKNKYzg5nMYjZzmMs85rOAhSxiMUtYSjLLWM4KVrKK1axhLetYT4qzwRvYyCY2s4WtbGM7aaSzw9ntnewikyx2s4e9ZJPDPvZzgIMc4jC5HOEoxzjOCU5yitOc4SznOM8FLpLHJS6TzxWuUsA1rnODm9ziNnco5C5FFHOP+zz4Bl7C7ngAAAA=

98 ms

7PPgGXsLueAAAAA==

7PPgGXsLueAAAAA==

100 ms

174 ms

xd_arbiter.php

xd_arbiter.php

241 ms

xd_arbiter.php

xd_arbiter.php

452 ms

Accessibility Review

danowski.pl accessibility score

83

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

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

danowski.pl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

danowski.pl SEO score

97

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Danowski.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it does not match the claimed English language. Our system also found out that Danowski.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

danowski.pl

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