10.5 sec in total
3 sec
7.1 sec
472 ms
Visit naukowa.pl now to see the best up-to-date Naukowa content for Poland and also check out these interesting facts you probably never knew about naukowa.pl
Księgarnia internetowa dla spragnionych wiedzy. Codziennie aktualizowana oferta. Szybkie wysyłki. Wszystkie książki z rabatem. Przekonaj się sam!
Visit naukowa.plWe analyzed Naukowa.pl page load time and found that the first response time was 3 sec and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
naukowa.pl performance score
name
value
score
weighting
Value9.6 s
0/100
10%
Value20.0 s
0/100
25%
Value19.5 s
0/100
10%
Value250 ms
84/100
30%
Value0.381
27/100
15%
Value18.6 s
3/100
10%
2973 ms
1838 ms
2524 ms
2206 ms
2303 ms
Our browser made a total of 192 requests to load all elements on the main page. We found that 47% of them (91 requests) were addressed to the original Naukowa.pl, 40% (77 requests) were made to Okladki.naukowa.pl and 5% (10 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Naukowa.pl.
Page size can be reduced by 1.0 MB (39%)
2.7 MB
1.6 MB
In fact, the total size of Naukowa.pl main page is 2.7 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 1.7 MB which makes up the majority of the site volume.
Potential reduce by 253.3 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. This page needs HTML code to be minified as it can gain 45.3 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 253.3 kB or 87% of the original size.
Potential reduce by 284.4 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, Naukowa needs image optimization as it can save up to 284.4 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 345.8 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 345.8 kB or 72% of the original size.
Potential reduce by 166.4 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. Naukowa.pl needs all CSS files to be minified and compressed as it can save up to 166.4 kB or 85% of the original size.
Number of requests can be reduced by 77 (41%)
188
111
The browser has sent 188 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Naukowa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
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naukowa.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.
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
[lang] attributes do not have a valid value
naukowa.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
naukowa.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
N/A
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Naukowa.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 Polish. Our system also found out that Naukowa.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.
naukowa.pl
Open Graph description is not detected on the main page of Naukowa. 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: