31.1 sec in total
716 ms
11.6 sec
18.8 sec
Welcome to elsevier.pl homepage info - get ready to check Elsevier best content for Poland right away, or after learning these important things about elsevier.pl
Elsevier to globalna firma zajmująca się analizowaniem informacji, pomagająca instytucjom i badaczom rozwijać naukę, udoskonalać opiekę zdrowotną i osiągać lepsze wyniki.
Visit elsevier.plWe analyzed Elsevier.pl page load time and found that the first response time was 716 ms and then it took 30.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
elsevier.pl performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value9.4 s
0/100
25%
Value10.2 s
8/100
10%
Value6,670 ms
0/100
30%
Value0.938
3/100
15%
Value14.0 s
10/100
10%
716 ms
47 ms
1439 ms
1323 ms
2160 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Elsevier.pl, 39% (16 requests) were made to Cdn.elsevier.io and 7% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Elsevier.com.
Page size can be reduced by 87.2 kB (5%)
1.6 MB
1.5 MB
In fact, the total size of Elsevier.pl main page is 1.6 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. 70% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 82.3 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 19.2 kB, which is 15% 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 82.3 kB or 65% of the original size.
Potential reduce by 4.8 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. Elsevier images are well optimized though.
Potential reduce by 74 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 33 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. Elsevier.pl has all CSS files already compressed.
Number of requests can be reduced by 7 (19%)
36
29
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elsevier. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
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matrix.css
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cbd396aa-1ada-4972-b316-05647c6e453e.json
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elsevier.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
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
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
elsevier.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
Page has valid source maps
elsevier.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Elsevier.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 Elsevier.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.
elsevier.pl
Open Graph description is not detected on the main page of Elsevier. 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: