Tools & Wizards About Us
lexis.edu.pl screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

lexis.edu.pl

Kursy językowe w Warszawie i za granicą. Tłumaczenia przysięgłe. Obozy językowe i kursy za granicą

Page Load Speed

2.1 sec in total

First Response

360 ms

Resources Loaded

1.6 sec

Page Rendered

171 ms

lexis.edu.pl screenshot

About Website

Click here to check amazing Lexis content for Poland. Otherwise, check out these important facts you probably never knew about lexis.edu.pl

Kursy, szkolenia: angielski, niemiecki, francuski, hiszpański, polski dla cudzoziemców, tłumaczenia przysięgłe, kursy językowe za granicą, zagraniczne studia,

Visit lexis.edu.pl

Key Findings

We analyzed Lexis.edu.pl page load time and found that the first response time was 360 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

lexis.edu.pl performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

lexis.edu.pl

360 ms

font-awesome.min.css

116 ms

lexis2.css

219 ms

wb14_books.css

221 ms

jquery-1.12.4.min.js

345 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to Lexis.edu.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (594 ms) belongs to the original domain Lexis.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.7 kB (13%)

Content Size

613.4 kB

After Optimization

534.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lexis.edu.pl main page is 613.4 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. 30% of websites need less resources to load. Images take 400.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.8 kB

  • Original 23.0 kB
  • After minification 20.0 kB
  • After compression 5.1 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. This page needs HTML code to be minified as it can gain 3.0 kB, which is 13% 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 17.8 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 19.4 kB

  • Original 400.7 kB
  • After minification 381.4 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. Lexis images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 40.4 kB

  • Original 174.9 kB
  • After minification 171.4 kB
  • After compression 134.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 40.4 kB or 23% of the original size.

CSS Optimization

-8%

Potential reduce by 1.1 kB

  • Original 14.9 kB
  • After minification 14.9 kB
  • After compression 13.7 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. Lexis.edu.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (50%)

Requests Now

28

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lexis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lexis.edu.pl

lexis.edu.pl

360 ms

font-awesome.min.css

font-awesome.min.css

116 ms

lexis2.css

lexis2.css

219 ms

wb14_books.css

wb14_books.css

221 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

345 ms

util.min.js

util.min.js

228 ms

carousel.min.js

carousel.min.js

234 ms

jquery-ui.min.js

jquery-ui.min.js

594 ms

owl.carousel.min.js

owl.carousel.min.js

328 ms

wb.overlay.min.js

wb.overlay.min.js

329 ms

wb.drilldownmenu.min.js

wb.drilldownmenu.min.js

340 ms

wb.slideshow.min.js

wb.slideshow.min.js

357 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

437 ms

jquery.easing-1.3.pack.js

jquery.easing-1.3.pack.js

438 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

453 ms

jquery.mousewheel-3.0.4.pack.js

jquery.mousewheel-3.0.4.pack.js

457 ms

wb14_books.js

wb14_books.js

468 ms

intro-active.png

intro-active.png

114 ms

intro-default.png

intro-default.png

114 ms

telcegzaminy.jpg

telcegzaminy.jpg

218 ms

naukaangielskiegowsanfrancisco.jpg

naukaangielskiegowsanfrancisco.jpg

586 ms

kursyangielskiegodoroslychwarszawa.jpg

kursyangielskiegodoroslychwarszawa.jpg

120 ms

books2_small.jpg

books2_small.jpg

110 ms

tlumaczenia_warszawa.jpg

tlumaczenia_warszawa.jpg

547 ms

books1_small.jpg

books1_small.jpg

227 ms

szkoly_jezykowe_zagranica.gif

szkoly_jezykowe_zagranica.gif

227 ms

lcciwarszawa.jpg

lcciwarszawa.jpg

237 ms

telcwarszawa.jpg

telcwarszawa.jpg

327 ms

builtwithwwb15.png

builtwithwwb15.png

340 ms

logolexis.png

logolexis.png

340 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

554 ms

Accessibility Review

lexis.edu.pl accessibility score

72

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

Links do not have a discernible name

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

lexis.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

lexis.edu.pl SEO score

84

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

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lexis.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 Lexis.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

lexis.edu.pl

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