6.5 sec in total
460 ms
4.3 sec
1.7 sec
Click here to check amazing Wuj content for Poland. Otherwise, check out these important facts you probably never knew about wuj.pl
Witamy w księgarni internetowej Wydawnictwa UJ. Oferujemy książki naukowe, popularnonaukowe, podręczniki, reportaże, poradniki i beletrystykę.
Visit wuj.plWe analyzed Wuj.pl page load time and found that the first response time was 460 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
wuj.pl performance score
name
value
score
weighting
Value2.4 s
71/100
10%
Value4.4 s
40/100
25%
Value5.5 s
55/100
10%
Value710 ms
42/100
30%
Value0.002
100/100
15%
Value6.9 s
54/100
10%
460 ms
904 ms
225 ms
222 ms
222 ms
Our browser made a total of 101 requests to load all elements on the main page. We found that 98% of them (99 requests) were addressed to the original Wuj.pl, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Wuj.pl.
Page size can be reduced by 492.1 kB (20%)
2.5 MB
2.0 MB
In fact, the total size of Wuj.pl main page is 2.5 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. 65% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 142.2 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 142.2 kB or 85% of the original size.
Potential reduce by 274.3 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, Wuj needs image optimization as it can save up to 274.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 61.6 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 61.6 kB or 59% of the original size.
Potential reduce by 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. Wuj.pl needs all CSS files to be minified and compressed as it can save up to 14.0 kB or 83% of the original size.
Number of requests can be reduced by 21 (21%)
99
78
The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wuj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
wuj.pl
460 ms
www.wuj.pl
904 ms
style.css
225 ms
lightbox.css
222 ms
jquery.tooltip.css
222 ms
lightbox.js
228 ms
jquery-1.3.2.min.js
453 ms
jquery.tooltip.js
330 ms
AC_RunActiveContent.js
331 ms
podstawa.js
330 ms
cookies_policy.png
132 ms
top.jpg
546 ms
logo.gif
132 ms
flagapl.jpg
130 ms
flagaeng.jpg
129 ms
form-log.jpg
129 ms
box_link.gif
225 ms
septop.jpg
221 ms
content-tlo.jpg
224 ms
szukaj_box_tlo.jpg
230 ms
form_tlo.jpg
231 ms
FB.jpg
439 ms
twitter1.jpg
331 ms
google-plus-ios-icon.jpg
659 ms
b%20log.png
337 ms
mendeley(1).jpg
449 ms
cesarz-wuj1.jpg
695 ms
2703.jpg
451 ms
2592.jpg
767 ms
koszyk.gif
569 ms
2653.jpg
674 ms
2591.jpg
654 ms
2620.jpg
786 ms
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875 ms
2618.jpg
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984 ms
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987 ms
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1010 ms
2626.jpg
1022 ms
2630.jpg
1199 ms
2700.jpg
1053 ms
ga.js
25 ms
__utm.gif
24 ms
2588.jpg
977 ms
2661.jpg
1110 ms
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1000 ms
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1116 ms
2657.jpg
1080 ms
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993 ms
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1021 ms
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1128 ms
wiecej.jpg
918 ms
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978 ms
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980 ms
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892 ms
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813 ms
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753 ms
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753 ms
2716.jpg
780 ms
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771 ms
2709.jpg
772 ms
ejournals-wuj-1.jpg
749 ms
Zaulki-plakat-1.jpg
1248 ms
Mundus_Z_dala_od_cesarza_okladka.jpg
1042 ms
REJESTRACJA3.jpg
926 ms
strzalka.gif
743 ms
2425.jpg
745 ms
2361.jpg
746 ms
723.jpg
775 ms
2362.jpg
774 ms
2123.jpg
776 ms
PAYU_LOGOTYPE_POSITIVE.jpg
1177 ms
sepbot.jpg
851 ms
foot-belka.jpg
787 ms
ntlo.jpg
821 ms
overlay.png
114 ms
loading.gif
112 ms
close.gif
115 ms
wuj.pl accessibility score
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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
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.
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.
wuj.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
wuj.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
ISO-8859-2
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wuj.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 Wuj.pl main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
wuj.pl
Open Graph description is not detected on the main page of Wuj. 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: