10.2 sec in total
554 ms
9.5 sec
213 ms
Click here to check amazing Chem Univ content for Poland. Otherwise, check out these important facts you probably never knew about chem.univ.gda.pl
Visit chem.univ.gda.plWe analyzed Chem.univ.gda.pl page load time and found that the first response time was 554 ms and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
chem.univ.gda.pl performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value10.5 s
0/100
25%
Value11.7 s
4/100
10%
Value310 ms
77/100
30%
Value0.026
100/100
15%
Value17.4 s
4/100
10%
554 ms
6361 ms
119 ms
222 ms
226 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Chem.univ.gda.pl, 90% (57 requests) were made to Chemia.ug.edu.pl and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.4 sec) relates to the external source Chemia.ug.edu.pl.
Page size can be reduced by 908.8 kB (37%)
2.4 MB
1.5 MB
In fact, the total size of Chem.univ.gda.pl main page is 2.4 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 57.5 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 57.5 kB or 81% of the original size.
Potential reduce by 131.9 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. Chem Univ images are well optimized though.
Potential reduce by 274.5 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 274.5 kB or 73% of the original size.
Potential reduce by 444.9 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. Chem.univ.gda.pl needs all CSS files to be minified and compressed as it can save up to 444.9 kB or 87% of the original size.
Number of requests can be reduced by 29 (53%)
55
26
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Univ. 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 13 to 1 for CSS and as a result speed up the page load time.
chem.univ.gda.pl
554 ms
chemia.ug.edu.pl
6361 ms
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chem.univ.gda.pl accessibility score
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
chem.univ.gda.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
Page has valid source maps
chem.univ.gda.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chem.univ.gda.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 Chem.univ.gda.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.
chem.univ.gda.pl
Open Graph description is not detected on the main page of Chem Univ. 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: