Access szkolaprogramowania.wsei.edu.pl. Kurs Programowania Kraków

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

92/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

628 ms

bootstrap.min.css

171 ms

style.css

232 ms

jquery.js

336 ms

bootstrap.min.js

255 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Szkolaprogramowania.wsei.edu.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (628 ms) belongs to the original domain Szkolaprogramowania.wsei.edu.pl.

Content Size

61.4 kB

After Optimization

59.8 kB

In fact, the total size of Szkolaprogramowania.wsei.edu.pl main page is 61.4 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 41.1 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 1.3 kB

Original 2.1 kB
After minification 1.9 kB
After compression 766 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. This page needs HTML code to be minified as it can gain 222 B, which is 11% 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 1.3 kB or 63% of the original size.

JavaScript Optimization

-0%

Potential reduce by 23 B

Original 41.1 kB
After minification 41.1 kB
After compression 41.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 229 B

Original 18.3 kB
After minification 18.3 kB
After compression 18.0 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. Szkolaprogramowania.wsei.edu.pl has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Szkola Programowania WSEI. According to our analytics all requests are already optimized.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

N/A
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Szkolaprogramowania.wsei.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), while the claimed language is English. Our system also found out that Szkolaprogramowania.wsei.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Szkola Programowania WSEI. 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: