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alfa.edu.pl screenshot

Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

alfa.edu.pl

Page Load Speed

1.5 sec in total

First Response

212 ms

Resources Loaded

1.2 sec

Page Rendered

56 ms

alfa.edu.pl screenshot

About Website

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.pl

Key Findings

We 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.

Performance Metrics

alfa.edu.pl performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

alfa.edu.pl

212 ms

jquery.min.js

7 ms

blackdown.nazwa.pl

551 ms

style.css

115 ms

blackdown.js

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 Optimization Overview & Recommendations

Page size can be reduced by 7.0 kB (12%)

Content Size

60.5 kB

After Optimization

53.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alfa.edu.pl main page is 60.5 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 55.1 kB which makes up the majority of the site volume.

HTML Optimization

-42%

Potential reduce by 321 B

  • Original 763 B
  • After minification 742 B
  • After compression 442 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.

Image Optimization

-34%

Potential reduce by 367 B

  • Original 1.1 kB
  • After minification 710 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.

JavaScript Optimization

-6%

Potential reduce by 3.5 kB

  • Original 55.1 kB
  • After minification 55.1 kB
  • After compression 51.6 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

-81%

Potential reduce by 2.9 kB

  • Original 3.6 kB
  • After minification 2.6 kB
  • After compression 694 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. 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.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

alfa.edu.pl

alfa.edu.pl

212 ms

jquery.min.js

jquery.min.js

7 ms

blackdown.nazwa.pl

blackdown.nazwa.pl

551 ms

style.css

style.css

115 ms

blackdown.js

blackdown.js

109 ms

ga.js

ga.js

25 ms

cien.png

cien.png

115 ms

ubuntu-v12-latin-ext_latin-regular.woff

ubuntu-v12-latin-ext_latin-regular.woff

322 ms

Accessibility Review

alfa.edu.pl accessibility score

33

Accessibility Issues

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

High

<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

High

<html> element does not have a [lang] attribute

Best Practices

alfa.edu.pl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

alfa.edu.pl SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    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.

Social Sharing Optimization

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: