5.7 sec in total
537 ms
5 sec
222 ms
Welcome to bu.umk.pl homepage info - get ready to check Bu Umk best content for Poland right away, or after learning these important things about bu.umk.pl
Odwiedź oficjalny serwis Biblioteki Uniwersyteckiej w Toruniu w poszukiwaniu unikalnych zbiorów oraz innowacyjnych usług bibliotecznych
Visit bu.umk.plWe analyzed Bu.umk.pl page load time and found that the first response time was 537 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
bu.umk.pl performance score
name
value
score
weighting
Value6.0 s
3/100
10%
Value9.6 s
0/100
25%
Value12.6 s
3/100
10%
Value250 ms
84/100
30%
Value0.156
74/100
15%
Value13.4 s
11/100
10%
537 ms
1059 ms
336 ms
438 ms
355 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 92% of them (68 requests) were addressed to the original Bu.umk.pl, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Bu.umk.pl.
Page size can be reduced by 83.8 kB (4%)
1.9 MB
1.9 MB
In fact, the total size of Bu.umk.pl main page is 1.9 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 1.6 MB which makes up the majority of the site volume.
Potential reduce by 58.3 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 58.3 kB or 81% of the original size.
Potential reduce by 18.5 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. Bu Umk images are well optimized though.
Potential reduce by 4.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 2.4 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. Bu.umk.pl has all CSS files already compressed.
Number of requests can be reduced by 37 (53%)
70
33
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bu Umk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
bu.umk.pl
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bu.umk.pl accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
bu.umk.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
bu.umk.pl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Bu.umk.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 Bu.umk.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.
bu.umk.pl
Open Graph description is not detected on the main page of Bu Umk. 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: