Tools & Wizards About Us
lsi.edu screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

lsi.edu

LSI | International Education Since 1965

Page Load Speed

4.4 sec in total

First Response

159 ms

Resources Loaded

3 sec

Page Rendered

1.2 sec

lsi.edu screenshot

About Website

Visit lsi.edu now to see the best up-to-date LSI content for Czech Republic and also check out these interesting facts you probably never knew about lsi.edu

LSI operates 16 schools in 7 Countries teaching English, French & German as a foreign language, university preparation, A levels, academic English & English exam courses.

Visit lsi.edu

Key Findings

We analyzed Lsi.edu page load time and found that the first response time was 159 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

lsi.edu performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value14,890 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.214

58/100

15%

TTI (Time to Interactive)

Value34.9 s

0/100

10%

Network Requests Diagram

lsi.edu

159 ms

348 ms

css

34 ms

bootstrap.min.css

149 ms

owl.carousel.min.css

247 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 49% of them (55 requests) were addressed to the original Lsi.edu, 17% (19 requests) were made to Player.vimeo.com and 12% (14 requests) were made to I.vimeocdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Lsi.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 777.9 kB (6%)

Content Size

13.5 MB

After Optimization

12.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lsi.edu main page is 13.5 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 12.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 209.3 kB

  • Original 249.8 kB
  • After minification 223.5 kB
  • After compression 40.5 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 26.3 kB, which is 11% 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 209.3 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 532.3 kB

  • Original 12.9 MB
  • After minification 12.4 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. LSI images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 34.7 kB

  • Original 316.0 kB
  • After minification 316.0 kB
  • After compression 281.3 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 34.7 kB or 11% of the original size.

CSS Optimization

-6%

Potential reduce by 1.6 kB

  • Original 29.6 kB
  • After minification 29.6 kB
  • After compression 28.0 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. Lsi.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (24%)

Requests Now

108

After Optimization

82

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LSI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lsi.edu

lsi.edu

159 ms

348 ms

css

css

34 ms

bootstrap.min.css

bootstrap.min.css

149 ms

owl.carousel.min.css

owl.carousel.min.css

247 ms

platform.js

platform.js

56 ms

player.js

player.js

49 ms

api.js

api.js

49 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

32 ms

popper.min.js

popper.min.js

44 ms

bootstrap.min.js

bootstrap.min.js

47 ms

magnific-popup.css

magnific-popup.css

363 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

111 ms

ScrollMagic.min.js

ScrollMagic.min.js

65 ms

owl.carousel.min.js

owl.carousel.min.js

379 ms

svg4everybody.js

svg4everybody.js

494 ms

app.js

app.js

514 ms

kitfontawesome.js

kitfontawesome.js

513 ms

gtm.js

gtm.js

62 ms

270123990

270123990

182 ms

270123885

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277 ms

270123773

270123773

277 ms

300476155

300476155

274 ms

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295331992

274 ms

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295337893

274 ms

834660943

834660943

409 ms

108808190

108808190

453 ms

765613904

765613904

421 ms

language_studies_international_logo.svg

language_studies_international_logo.svg

421 ms

preloader-blue.gif

preloader-blue.gif

408 ms

lsi-key-stats-desktop.svg

lsi-key-stats-desktop.svg

418 ms

lsi-key-stats-mobile.svg

lsi-key-stats-mobile.svg

502 ms

study-french-in-france.jpg

study-french-in-france.jpg

509 ms

study-german-in-switzerland.jpg

study-german-in-switzerland.jpg

509 ms

all-language-programmes.jpg

all-language-programmes.jpg

1007 ms

international-language-schools.jpg

international-language-schools.jpg

571 ms

map_white_background.png

map_white_background.png

864 ms

exam-prep.jpg

exam-prep.jpg

571 ms

academic-english.jpg

academic-english.jpg

800 ms

celta-teacher-training.jpg

celta-teacher-training.jpg

572 ms

general&intensive-courses.jpg

general&intensive-courses.jpg

653 ms

english-for-business.jpg

english-for-business.jpg

1093 ms

english-specific-purposes.jpg

english-specific-purposes.jpg

652 ms

working-holidays.jpg

working-holidays.jpg

723 ms

demi-pair-programme.jpg

demi-pair-programme.jpg

724 ms

1920.jpg

1920.jpg

1026 ms

spritesheet.png

spritesheet.png

718 ms

vancouver-1920x1280.jpg

vancouver-1920x1280.jpg

944 ms

study-english-In.jpg

study-english-In.jpg

796 ms

learn-language-abroad.jpg

learn-language-abroad.jpg

1169 ms

summer-camp.jpg

summer-camp.jpg

1081 ms

group-programme.jpg

group-programme.jpg

873 ms

academic-courses.jpg

academic-courses.jpg

955 ms

academic-term-abroad.jpg

academic-term-abroad.jpg

1075 ms

uni-prep-pathways.jpg

uni-prep-pathways.jpg

1021 ms

study-work-experience.jpg

study-work-experience.jpg

1030 ms

1920.jpg

1920.jpg

1311 ms

ajaxloader_darkblue.gif

ajaxloader_darkblue.gif

1096 ms

learn-french-online.jpg

learn-french-online.jpg

1106 ms

js

js

192 ms

analytics.js

analytics.js

328 ms

jz201kxlzz

jz201kxlzz

339 ms

learn-german-online.jpg

learn-german-online.jpg

1070 ms

704129590-b349c5e4f7ba470f772d93bf9903609de68b038ba28b9e6094ecc0b2ac45f5a6-d

704129590-b349c5e4f7ba470f772d93bf9903609de68b038ba28b9e6094ecc0b2ac45f5a6-d

280 ms

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A-9a6Vc.ttf

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A-9a6Vc.ttf

246 ms

recaptcha__en.js

recaptcha__en.js

257 ms

738835712-14cbbfc691ef4280714d8bc076d3bf512e7ff86ecc0a6fccb3075ab15916f0f2-d

738835712-14cbbfc691ef4280714d8bc076d3bf512e7ff86ecc0a6fccb3075ab15916f0f2-d

260 ms

732465029-9aa510f7c913aad7e60a9118e024a693a9d8dea231c08cd126892fff43ed1bfa-d

732465029-9aa510f7c913aad7e60a9118e024a693a9d8dea231c08cd126892fff43ed1bfa-d

268 ms

704128685-8f90d4fcd3ca1e93e552cc64a7f7b222ffacaeae4ddc922539351fd305f98fb1-d

704128685-8f90d4fcd3ca1e93e552cc64a7f7b222ffacaeae4ddc922539351fd305f98fb1-d

270 ms

704128387-9bd6028105b1a86860d5a17f19b56c04ca0c26317341bf0a03009267f4566ae1-d

704128387-9bd6028105b1a86860d5a17f19b56c04ca0c26317341bf0a03009267f4566ae1-d

241 ms

732472378-57c68584387af127bdfec697d5df21bcb14a5e493828c9243af604def8e9fcdc-d

732472378-57c68584387af127bdfec697d5df21bcb14a5e493828c9243af604def8e9fcdc-d

243 ms

private-students.jpg

private-students.jpg

972 ms

free-online-lessons.jpg

free-online-lessons.jpg

975 ms

teacher_homestay_1.jpg

teacher_homestay_1.jpg

880 ms

1681649692-a2bc3f4802dd7670c77c75c260e01ff2b32469f28874e06e819666d3886e37d5-d

1681649692-a2bc3f4802dd7670c77c75c260e01ff2b32469f28874e06e819666d3886e37d5-d

117 ms

1537480671-c787693128e3c7f1a2f3905a22f5bf17b9776d50513fed354dce260dfb058876-d

1537480671-c787693128e3c7f1a2f3905a22f5bf17b9776d50513fed354dce260dfb058876-d

163 ms

teacher_homestay_2.jpg

teacher_homestay_2.jpg

907 ms

app.css

app.css

902 ms

learnbar.css

learnbar.css

911 ms

lsi-logos.svg

lsi-logos.svg

917 ms

lsi-logos-small-screens.svg

lsi-logos-small-screens.svg

923 ms

492604542-26a5a22e07f2b0a2c793f0ed1ec29c8e72399bcf49555db2e5cb3b2aff76d4cc-d

492604542-26a5a22e07f2b0a2c793f0ed1ec29c8e72399bcf49555db2e5cb3b2aff76d4cc-d

134 ms

collect

collect

50 ms

clarity.js

clarity.js

44 ms

contactUs_1920.jpg

contactUs_1920.jpg

1013 ms

language-online.jpg

language-online.jpg

1064 ms

learn-english-online.jpg

learn-english-online.jpg

903 ms

collect

collect

36 ms

teacher_homestay_background.jpg

teacher_homestay_background.jpg

1186 ms

ga.js

ga.js

30 ms

accred_sprites.png

accred_sprites.png

131 ms

css-sprite-social-small.png

css-sprite-social-small.png

130 ms

font.woff

font.woff

114 ms

fbevents.js

fbevents.js

117 ms

270123990

270123990

167 ms

270123885

270123885

160 ms

270123773

270123773

162 ms

300476155

300476155

200 ms

295331992

295331992

176 ms

295337893

295337893

189 ms

834660943

834660943

228 ms

108808190

108808190

222 ms

765613904

765613904

239 ms

__utm.gif

__utm.gif

70 ms

639599886243450

639599886243450

58 ms

collect

collect

33 ms

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57 ms

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732472378-57c68584387af127bdfec697d5df21bcb14a5e493828c9243af604def8e9fcdc-d

6 ms

738835712-14cbbfc691ef4280714d8bc076d3bf512e7ff86ecc0a6fccb3075ab15916f0f2-d

738835712-14cbbfc691ef4280714d8bc076d3bf512e7ff86ecc0a6fccb3075ab15916f0f2-d

34 ms

492604542-26a5a22e07f2b0a2c793f0ed1ec29c8e72399bcf49555db2e5cb3b2aff76d4cc-d

492604542-26a5a22e07f2b0a2c793f0ed1ec29c8e72399bcf49555db2e5cb3b2aff76d4cc-d

6 ms

1681649692-a2bc3f4802dd7670c77c75c260e01ff2b32469f28874e06e819666d3886e37d5-d

1681649692-a2bc3f4802dd7670c77c75c260e01ff2b32469f28874e06e819666d3886e37d5-d

7 ms

1537480671-c787693128e3c7f1a2f3905a22f5bf17b9776d50513fed354dce260dfb058876-d

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11 ms

c.gif

c.gif

7 ms

Accessibility Review

lsi.edu accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Best Practices

lsi.edu 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

lsi.edu 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lsi.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Lsi.edu 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

lsi.edu

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