Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

3lions.pl

Three Lions Kraków - Efektywne Kursy Angielskiego ONLINE

Page Load Speed

7.8 sec in total

First Response

329 ms

Resources Loaded

6.1 sec

Page Rendered

1.3 sec

About Website

Visit 3lions.pl now to see the best up-to-date 3 Lions content for Poland and also check out these interesting facts you probably never knew about 3lions.pl

Szkoła Three Lions z Krakowa organizuje efektywne kursy języka angielskiego ONLINE. Wszystkie poziomy. Native speakerzy. e-Learning

Visit 3lions.pl

Key Findings

We analyzed 3lions.pl page load time and found that the first response time was 329 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

3lions.pl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value4,350 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.083

94/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

3lions.pl

329 ms

3lions.pl

588 ms

gtm.js

77 ms

uc.js

58 ms

style.min.css

115 ms

Our browser made a total of 138 requests to load all elements on the main page. We found that 76% of them (105 requests) were addressed to the original 3lions.pl, 11% (15 requests) were made to Lh3.googleusercontent.com and 6% (8 requests) were made to Platform-lookaside.fbsbx.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain 3lions.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 306.3 kB (10%)

Content Size

3.0 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3lions.pl main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 187.7 kB

  • Original 224.8 kB
  • After minification 214.0 kB
  • After compression 37.1 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 187.7 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 74.4 kB

  • Original 2.3 MB
  • After minification 2.2 MB

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. 3 Lions images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 21.9 kB

  • Original 340.4 kB
  • After minification 340.4 kB
  • After compression 318.5 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

-12%

Potential reduce by 22.4 kB

  • Original 182.8 kB
  • After minification 182.8 kB
  • After compression 160.4 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. 3lions.pl needs all CSS files to be minified and compressed as it can save up to 22.4 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 87 (67%)

Requests Now

130

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 130 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 Lions. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

3lions.pl accessibility score

77

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.

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

3lions.pl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

3lions.pl SEO score

86

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

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

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 3lions.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 3lions.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 data is detected on the main page of 3 Lions. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: