1.5 sec in total
212 ms
1.2 sec
56 ms
Welcome to alfa.edu.pl homepage info - get ready to check Alfa best content right away, or after learning these important things about alfa.edu.pl
Visit alfa.edu.plWe analyzed Alfa.edu.pl page load time and found that the first response time was 212 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
alfa.edu.pl performance score
name
value
score
weighting
Value0
0/100
10%
Value0
0/100
25%
Value0
0/100
10%
Value0
0/100
30%
Value0.078
95/100
15%
Value0
0/100
10%
212 ms
7 ms
551 ms
115 ms
109 ms
Our browser made a total of 8 requests to load all elements on the main page. We found that 13% of them (1 request) were addressed to the original Alfa.edu.pl, 50% (4 requests) were made to Blackdown.nazwa.pl and 13% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (551 ms) relates to the external source Blackdown.nazwa.pl.
Page size can be reduced by 66.3 kB (55%)
119.8 kB
53.5 kB
In fact, the total size of Alfa.edu.pl main page is 119.8 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. Only 10% of websites need less resources to load. Javascripts take 114.4 kB which makes up the majority of the site volume.
Potential reduce by 321 B
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 321 B or 42% of the original size.
Potential reduce by 367 B
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, Alfa needs image optimization as it can save up to 367 B or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 62.7 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 62.7 kB or 55% of the original size.
Potential reduce by 2.9 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. Alfa.edu.pl needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 81% of the original size.
We found no issues to fix!
6
6
The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alfa. According to our analytics all requests are already optimized.
alfa.edu.pl
212 ms
jquery.min.js
7 ms
blackdown.nazwa.pl
551 ms
style.css
115 ms
blackdown.js
109 ms
ga.js
25 ms
cien.png
115 ms
ubuntu-v12-latin-ext_latin-regular.woff
322 ms
alfa.edu.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
<frame> or <iframe> elements do not have a title
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
alfa.edu.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
Browser errors were logged to the console
alfa.edu.pl SEO score
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alfa.edu.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Alfa.edu.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.
alfa.edu.pl
Open Graph description is not detected on the main page of Alfa. 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: