5.2 sec in total
749 ms
3.7 sec
814 ms
Welcome to biblioteka.servis.pl homepage info - get ready to check Biblioteka Servis best content right away, or after learning these important things about biblioteka.servis.pl
wiadomości i ciekawostki ze świata nauki
Visit biblioteka.servis.plWe analyzed Biblioteka.servis.pl page load time and found that the first response time was 749 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 65% of websites can load faster.
biblioteka.servis.pl performance score
name
value
score
weighting
Value1.8 s
90/100
10%
Value1.8 s
99/100
25%
Value1.9 s
100/100
10%
Value30 ms
100/100
30%
Value0.006
100/100
15%
Value2.7 s
97/100
10%
749 ms
851 ms
178 ms
180 ms
181 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Biblioteka.servis.pl, 31% (14 requests) were made to Scontent.xx.fbcdn.net and 22% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (851 ms) relates to the external source Naukowy.pl.
Page size can be reduced by 112.3 kB (17%)
674.3 kB
562.0 kB
In fact, the total size of Biblioteka.servis.pl main page is 674.3 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. 35% of websites need less resources to load. Images take 587.6 kB which makes up the majority of the site volume.
Potential reduce by 34.9 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 34.9 kB or 73% of the original size.
Potential reduce by 57.6 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. Biblioteka Servis images are well optimized though.
Potential reduce by 11.8 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 11.8 kB or 42% of the original size.
Potential reduce by 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. Biblioteka.servis.pl needs all CSS files to be minified and compressed as it can save up to 8.1 kB or 76% of the original size.
Number of requests can be reduced by 15 (35%)
43
28
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblioteka Servis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
biblioteka.servis.pl
749 ms
www.naukowy.pl
851 ms
tabcontent.js
178 ms
info.js
180 ms
style.css
181 ms
tab.css
184 ms
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counter.js
6 ms
all.js
150 ms
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279 ms
naukowy.png
101 ms
survey.png
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like_box.php
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biblioteka.servis.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.
biblioteka.servis.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
biblioteka.servis.pl SEO score
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
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biblioteka.servis.pl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Biblioteka.servis.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.
biblioteka.servis.pl
Open Graph description is not detected on the main page of Biblioteka Servis. 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: