4.3 sec in total
656 ms
3.4 sec
294 ms
Welcome to bertelsmann.swiatksiazki.pl homepage info - get ready to check Bertelsmann Swiatksiazki best content for Poland right away, or after learning these important things about bertelsmann.swiatksiazki.pl
Księgarnia internetowa Świata Książki. Szeroki wybór książek, muzyki, filmów, gier planszowych, zabawek i artykułów papierniczych. Sprawdź je już teraz!
Visit bertelsmann.swiatksiazki.plWe analyzed Bertelsmann.swiatksiazki.pl page load time and found that the first response time was 656 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
bertelsmann.swiatksiazki.pl performance score
name
value
score
weighting
Value6.8 s
2/100
10%
Value9.6 s
0/100
25%
Value9.1 s
13/100
10%
Value1,730 ms
10/100
30%
Value0.001
100/100
15%
Value16.6 s
5/100
10%
656 ms
202 ms
358 ms
395 ms
416 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Bertelsmann.swiatksiazki.pl, 9% (5 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (662 ms) relates to the external source Shop-js.buybox.click.
Page size can be reduced by 370.4 kB (38%)
974.6 kB
604.2 kB
In fact, the total size of Bertelsmann.swiatksiazki.pl main page is 974.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 520.5 kB which makes up the majority of the site volume.
Potential reduce by 195.5 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 195.5 kB or 83% of the original size.
Potential reduce by 174.0 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. Obviously, Bertelsmann Swiatksiazki needs image optimization as it can save up to 174.0 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 139 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. This website has mostly compressed JavaScripts.
Potential reduce by 690 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. Bertelsmann.swiatksiazki.pl has all CSS files already compressed.
Number of requests can be reduced by 26 (60%)
43
17
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bertelsmann Swiatksiazki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.swiatksiazki.pl
656 ms
f80339284adab803f61a0b182bda4246.min.css
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styles-l.min.css
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styles-ols.min.css
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3568919c87865dfe6f86de86856b8f8e.min.js
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css2
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fbevents.js
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gtm.js
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logo.svg
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pakiety6990_sg.jpg
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snc4_small.jpg
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katalog_small17.jpg
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jquery.min.js
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js-translation.json
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moment.min.js
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analytics.js
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bb-shop.min.js
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pxiEyp8kv8JHgFVrFJA.ttf
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opensans-400.woff
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pxiByp8kv8JHgFVrLGT9V1s.ttf
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pxiByp8kv8JHgFVrLDz8V1s.ttf
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opensans-300.woff
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pxiByp8kv8JHgFVrLEj6V1s.ttf
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opensans-600.woff
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pxiByp8kv8JHgFVrLCz7V1s.ttf
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opensans-700.woff
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shopping-cart.png
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Luma-Icons.woff
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collect
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conversion.js
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js
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fontawesome-webfont.woff
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powiedz.png
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loader.gif
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wysluchaj.png
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collect
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owl.carousel.min.js
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fa-solid-900.woff
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fa-regular-400.woff
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sw.js
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update.min.js
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ga-audiences
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jquery.waypoints.min.js
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common.min.js
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tabs.min.js
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owlslider.min.js
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loader-1.gif
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magezon-builder.min.js
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player.min.js
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parallax.min.js
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responsive-typography.min.js
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jquery.magnific-popup.min.js
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edrone_2_0.js
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print.min.css
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bertelsmann.swiatksiazki.pl accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
bertelsmann.swiatksiazki.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
bertelsmann.swiatksiazki.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bertelsmann.swiatksiazki.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 Bertelsmann.swiatksiazki.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.
bertelsmann.swiatksiazki.pl
Open Graph description is not detected on the main page of Bertelsmann Swiatksiazki. 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: