Tools & Wizards About Us
lfv.pl screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

lfv.pl

Homepage - The French School in Warsaw (LFV)The French School in Warsaw (LFV) | Liceum Francuskie w Warszawie – French School in Warsaw

Page Load Speed

8.3 sec in total

First Response

2.3 sec

Resources Loaded

5.7 sec

Page Rendered

310 ms

lfv.pl screenshot

About Website

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

International French school, member of the educational network AEFE. Register your child in a prestigious and high-quality school.

Visit lfv.pl

Key Findings

We analyzed Lfv.pl page load time and found that the first response time was 2.3 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

lfv.pl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value31.3 s

0/100

25%

SI (Speed Index)

Value15.4 s

0/100

10%

TBT (Total Blocking Time)

Value9,040 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

Network Requests Diagram

www.lfv.pl

2312 ms

css

64 ms

css

78 ms

sem-external-links.css

363 ms

fancybox.css

580 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 67% of them (32 requests) were addressed to the original Lfv.pl, 8% (4 requests) were made to F.vimeocdn.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Lfv.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 609.5 kB (55%)

Content Size

1.1 MB

After Optimization

493.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lfv.pl main page is 1.1 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. 40% of websites need less resources to load. Javascripts take 582.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 24.2 kB

  • Original 32.0 kB
  • After minification 30.9 kB
  • After compression 7.8 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 24.2 kB or 76% of the original size.

Image Optimization

-14%

Potential reduce by 46.0 kB

  • Original 327.1 kB
  • After minification 281.1 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. Obviously, LFV needs image optimization as it can save up to 46.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 397.3 kB

  • Original 582.0 kB
  • After minification 580.4 kB
  • After compression 184.8 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 397.3 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 142.0 kB

  • Original 162.0 kB
  • After minification 148.7 kB
  • After compression 20.0 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. Lfv.pl needs all CSS files to be minified and compressed as it can save up to 142.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (40%)

Requests Now

45

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LFV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.lfv.pl

www.lfv.pl

2312 ms

css

css

64 ms

css

css

78 ms

sem-external-links.css

sem-external-links.css

363 ms

fancybox.css

fancybox.css

580 ms

style.css

style.css

585 ms

jquery.js

jquery.js

1043 ms

jquery-migrate.min.js

jquery-migrate.min.js

823 ms

jquery.fancybox.js

jquery.fancybox.js

844 ms

external-tracking.min.js

external-tracking.min.js

880 ms

navigation.js

navigation.js

925 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

936 ms

wp-embed.min.js

wp-embed.min.js

1431 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

1365 ms

ga.js

ga.js

24 ms

logo_facebook_xs.png

logo_facebook_xs.png

493 ms

logo_lfv_S.png

logo_lfv_S.png

493 ms

logo_aefe_2015.png

logo_aefe_2015.png

526 ms

header_10KM.jpg

header_10KM.jpg

1180 ms

2016-04-02_art5188.jpg

2016-04-02_art5188.jpg

998 ms

2016-03-20_art-5192.jpg-300x200.jpg

2016-03-20_art-5192.jpg-300x200.jpg

656 ms

2016-03-19_art-5116-300x200.jpg

2016-03-19_art-5116-300x200.jpg

659 ms

2016-04-21_art5215-300x200.jpg

2016-04-21_art5215-300x200.jpg

557 ms

2016-03-11_art5210-300x200.jpg

2016-03-11_art5210-300x200.jpg

740 ms

pronote_professeurs.png

pronote_professeurs.png

677 ms

pronote_vie_scolaire.png

pronote_vie_scolaire.png

935 ms

pronote_parents.png

pronote_parents.png

938 ms

pronote_eleves.png

pronote_eleves.png

941 ms

ecole_maternelle_M.jpg

ecole_maternelle_M.jpg

1377 ms

ecole_elementaire_M.jpg

ecole_elementaire_M.jpg

1603 ms

college_M.jpg

college_M.jpg

1518 ms

lycee_M.jpg

lycee_M.jpg

1405 ms

149327402

149327402

93 ms

WEB_RADIO_LFV.png

WEB_RADIO_LFV.png

1100 ms

WEB_TV_LFV.png

WEB_TV_LFV.png

1412 ms

external.png

external.png

1409 ms

__utm.gif

__utm.gif

15 ms

ODelI1aHBYDBqgeIAH2zlFzCdIATDt8zXO3QNtzVeJ8.ttf

ODelI1aHBYDBqgeIAH2zlFzCdIATDt8zXO3QNtzVeJ8.ttf

33 ms

Zd2E9abXLFGSr9G3YK2MsB43XjeME5heavxWqLE69Ro.ttf

Zd2E9abXLFGSr9G3YK2MsB43XjeME5heavxWqLE69Ro.ttf

46 ms

player.js

player.js

114 ms

player.css

player.css

99 ms

ga.js

ga.js

20 ms

vuid.min.js

vuid.min.js

112 ms

__utm.gif

__utm.gif

28 ms

proxy.html

proxy.html

52 ms

548600187.jpg

548600187.jpg

94 ms

nr-885.min.js

nr-885.min.js

152 ms

689d5b4562

689d5b4562

103 ms

Accessibility Review

lfv.pl accessibility score

76

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-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

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

High

ARIA toggle fields do not have accessible names

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

lfv.pl best practices score

58

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

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

lfv.pl SEO score

91

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lfv.pl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Lfv.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

lfv.pl

Open Graph description is not detected on the main page of LFV. 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: