Tools & Wizards About Us
britishcentre.langlion.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

britishcentre.langlion.com

LangLion

Page Load Speed

2.8 sec in total

First Response

534 ms

Resources Loaded

2.1 sec

Page Rendered

112 ms

britishcentre.langlion.com screenshot

About Website

Visit britishcentre.langlion.com now to see the best up-to-date Britishcentre Lang Lion content for Poland and also check out these interesting facts you probably never knew about britishcentre.langlion.com

Visit britishcentre.langlion.com

Key Findings

We analyzed Britishcentre.langlion.com page load time and found that the first response time was 534 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

britishcentre.langlion.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value17.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.1 s

0/100

25%

SI (Speed Index)

Value17.5 s

0/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.18

67/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

britishcentre.langlion.com

534 ms

britishcentre.langlion.com

523 ms

jquery-1.7.1.min.js

309 ms

jquery-ui-1.8.16.custom.min.js

696 ms

underscore.min.js

239 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that all of those requests were addressed to Britishcentre.langlion.com and no external sources were called. The less responsive or slowest element that took the longest time to load (859 ms) belongs to the original domain Britishcentre.langlion.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 604.9 kB (73%)

Content Size

828.8 kB

After Optimization

223.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Britishcentre.langlion.com main page is 828.8 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. Javascripts take 493.3 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 9.0 kB

  • Original 11.8 kB
  • After minification 10.0 kB
  • After compression 2.8 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. This page needs HTML code to be minified as it can gain 1.8 kB, which is 15% 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 9.0 kB or 76% of the original size.

Image Optimization

-18%

Potential reduce by 9.5 kB

  • Original 53.1 kB
  • After minification 43.6 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, Britishcentre Lang Lion needs image optimization as it can save up to 9.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 361.3 kB

  • Original 493.3 kB
  • After minification 453.1 kB
  • After compression 132.0 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 361.3 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 225.2 kB

  • Original 270.7 kB
  • After minification 233.6 kB
  • After compression 45.5 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. Britishcentre.langlion.com needs all CSS files to be minified and compressed as it can save up to 225.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (85%)

Requests Now

39

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Britishcentre Lang Lion. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

britishcentre.langlion.com

britishcentre.langlion.com

534 ms

britishcentre.langlion.com

britishcentre.langlion.com

523 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

309 ms

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.min.js

696 ms

underscore.min.js

underscore.min.js

239 ms

custom.js

custom.js

242 ms

noty-preloader.js

noty-preloader.js

241 ms

jquery.noty.js

jquery.noty.js

326 ms

jquery.noty.top.js

jquery.noty.top.js

322 ms

jquery.noty.themes.default.js

jquery.noty.themes.default.js

323 ms

bootstrap.min.js

bootstrap.min.js

395 ms

prymus.actions.js

prymus.actions.js

380 ms

Tween.js

Tween.js

389 ms

popup.js

popup.js

394 ms

wizard.js

wizard.js

403 ms

office.js

office.js

456 ms

fontsize.js

fontsize.js

464 ms

jquery.tipsy.js

jquery.tipsy.js

470 ms

select2.min.js

select2.min.js

627 ms

jquery.tinyscrollbar.min.js

jquery.tinyscrollbar.min.js

483 ms

tooltip.js

tooltip.js

530 ms

submitForm.js

submitForm.js

540 ms

jquery.validate.min.js

jquery.validate.min.js

625 ms

bootstrap.min.css

bootstrap.min.css

806 ms

bootstrap-responsive.min.css

bootstrap-responsive.min.css

606 ms

bootstrap-overrides.css

bootstrap-overrides.css

616 ms

font-awesome.min.css

font-awesome.min.css

725 ms

layout.css

layout.css

848 ms

custom.css

custom.css

728 ms

wizard.css

wizard.css

728 ms

jquery.countdown.css

jquery.countdown.css

760 ms

jquery.weekcalendar.css

jquery.weekcalendar.css

759 ms

popup.css

popup.css

781 ms

tipsy.css

tipsy.css

783 ms

app_changer.css

app_changer.css

836 ms

select2.css

select2.css

837 ms

scrollbar.css

scrollbar.css

859 ms

login_school_logo1.png

login_school_logo1.png

80 ms

logo_logowanie_small.png

logo_logowanie_small.png

79 ms

firefox_logo.png

firefox_logo.png

80 ms

chrome_logo.png

chrome_logo.png

82 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

159 ms

Accessibility Review

britishcentre.langlion.com 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.

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

Best Practices

britishcentre.langlion.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Uses deprecated APIs

High

Missing source maps for large first-party JavaScript

SEO Factors

britishcentre.langlion.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    EN

  • Encoding

    UTF-8

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

britishcentre.langlion.com

Open Graph description is not detected on the main page of Britishcentre Lang Lion. 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: