Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

olimpus.edu.pl

OLIMPUS - Olimpiady szkolne

Page Load Speed

3.6 sec in total

First Response

420 ms

Resources Loaded

2.9 sec

Page Rendered

206 ms

olimpus.edu.pl screenshot

About Website

Visit olimpus.edu.pl now to see the best up-to-date OLIMPUS content for Poland and also check out these interesting facts you probably never knew about olimpus.edu.pl

Olimpus - Olimpiady przedmiotowe dla szkół podstawowych i liceów ogólnokształcących.

Visit olimpus.edu.pl

Key Findings

We analyzed Olimpus.edu.pl page load time and found that the first response time was 420 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

olimpus.edu.pl performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value5.9 s

65/100

10%

Network Requests Diagram

olimpus.edu.pl

420 ms

www.olimpus.edu.pl

1118 ms

attachments_hide.css

134 ms

attachments_list.css

237 ms

style.css

240 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 63% of them (40 requests) were addressed to the original Olimpus.edu.pl, 16% (10 requests) were made to Static.xx.fbcdn.net and 14% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Olimpus.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 488.7 kB (62%)

Content Size

789.7 kB

After Optimization

301.0 kB

In fact, the total size of Olimpus.edu.pl main page is 789.7 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. 40% of websites need less resources to load. Javascripts take 544.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 16.0 kB

  • Original 22.3 kB
  • After minification 21.6 kB
  • After compression 6.4 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 16.0 kB or 71% of the original size.

Image Optimization

-2%

Potential reduce by 2.9 kB

  • Original 149.0 kB
  • After minification 146.1 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. OLIMPUS images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 406.9 kB

  • Original 544.4 kB
  • After minification 422.3 kB
  • After compression 137.4 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 406.9 kB or 75% of the original size.

CSS Optimization

-85%

Potential reduce by 62.9 kB

  • Original 73.9 kB
  • After minification 49.1 kB
  • After compression 11.1 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. Olimpus.edu.pl needs all CSS files to be minified and compressed as it can save up to 62.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (63%)

Requests Now

60

After Optimization

22

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OLIMPUS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

olimpus.edu.pl accessibility score

79

Accessibility Issues

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.

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

olimpus.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

SEO Factors

olimpus.edu.pl SEO score

62

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olimpus.edu.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 Olimpus.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 OLIMPUS. 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: