Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

elearning.amu.edu.pl

Platforma E-learningowa UAM (archiwum) :: AMU E-learning Platform (archive)

Page Load Speed

2.8 sec in total

First Response

349 ms

Resources Loaded

2.3 sec

Page Rendered

201 ms

elearning.amu.edu.pl screenshot

About Website

Visit elearning.amu.edu.pl now to see the best up-to-date E Learning AMU content for Poland and also check out these interesting facts you probably never knew about elearning.amu.edu.pl

Visit elearning.amu.edu.pl

Key Findings

We analyzed Elearning.amu.edu.pl page load time and found that the first response time was 349 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

elearning.amu.edu.pl performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

elearning.amu.edu.pl

349 ms

www.elearning.amu.edu.pl

692 ms

style.css

113 ms

color.css

221 ms

jquery-1.6.4.min.js

549 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 89% of them (16 requests) were addressed to the original Elearning.amu.edu.pl, 11% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (692 ms) belongs to the original domain Elearning.amu.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.3 kB (47%)

Content Size

201.1 kB

After Optimization

106.8 kB

In fact, the total size of Elearning.amu.edu.pl main page is 201.1 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. 15% of websites need less resources to load. Javascripts take 121.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.1 kB

  • Original 11.0 kB
  • After minification 8.6 kB
  • After compression 2.9 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 2.3 kB, which is 21% 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 8.1 kB or 73% of the original size.

Image Optimization

-6%

Potential reduce by 2.9 kB

  • Original 50.8 kB
  • After minification 47.9 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. E Learning AMU images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 68.7 kB

  • Original 121.3 kB
  • After minification 115.9 kB
  • After compression 52.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 68.7 kB or 57% of the original size.

CSS Optimization

-81%

Potential reduce by 14.5 kB

  • Original 18.0 kB
  • After minification 13.3 kB
  • After compression 3.4 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. Elearning.amu.edu.pl needs all CSS files to be minified and compressed as it can save up to 14.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (33%)

Requests Now

15

After Optimization

10

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E Learning AMU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

elearning.amu.edu.pl accessibility score

91

Accessibility Issues

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

High

[aria-hidden="true"] elements contain focusable descendents

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

elearning.amu.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

elearning.amu.edu.pl SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Elearning.amu.edu.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Elearning.amu.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 E Learning AMU. 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: