3.7 sec in total
368 ms
2.7 sec
606 ms
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.eduWe analyzed Lsi.edu page load time and found that the first response time was 368 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
lsi.edu performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value5.7 s
16/100
25%
Value4.9 s
65/100
10%
Value580 ms
51/100
30%
Value0.109
87/100
15%
Value8.5 s
38/100
10%
368 ms
283 ms
377 ms
69 ms
414 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 81% of them (55 requests) were addressed to the original Lsi.edu, 6% (4 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Lsi.edu.
Page size can be reduced by 336.0 kB (11%)
3.0 MB
2.7 MB
In fact, the total size of Lsi.edu 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. 40% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.
Potential reduce by 83.8 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 83.8 kB or 84% of the original size.
Potential reduce by 10.2 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. LSI images are well optimized though.
Potential reduce by 138.2 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 138.2 kB or 55% of the original size.
Potential reduce by 103.9 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 needs all CSS files to be minified and compressed as it can save up to 103.9 kB or 84% of the original size.
Number of requests can be reduced by 6 (10%)
58
52
The browser has sent 58 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 7 to 1 for JavaScripts and as a result speed up the page load time.
lsi.edu
368 ms
www.lsi.edu
283 ms
377 ms
css
69 ms
app.css
414 ms
bootstrap-select.min.css
50 ms
jquery.min.js
69 ms
bootstrap.min.js
37 ms
jquery.magnific-popup.min.js
20 ms
app.js
92 ms
bootstrap-select.min.js
29 ms
app.js
248 ms
flagsSprite.png
184 ms
lsi_logo.svg
184 ms
accreditations.png
325 ms
lrg.jpg
488 ms
med.jpg
489 ms
med.jpg
474 ms
med.jpg
251 ms
med.jpg
234 ms
lrg.jpg
392 ms
med.jpg
316 ms
med.jpg
387 ms
LeFlHvsZjXu2c3ZRgBq9nD8E0i7KZn-EPnyo3HZu7kw.woff
163 ms
PIbvSEyHEdL91QLOQRnZ13hCUOGz7vYGh680lGh-uXM.woff
183 ms
fontawesome-webfont.woff
486 ms
glyphicons-halflings-regular.woff
472 ms
dazS1PrQQuCxC3iOAJFEJTqR_3kx9_hJXbbyU8S6IN0.woff
223 ms
y7lebkjgREBJK96VQi37ZobN6UDyHWBl620a-IRfuBk.woff
222 ms
ga.js
138 ms
citiesDestinations.php
968 ms
contactWidget.php
426 ms
citiesDestinations.php
796 ms
general_language_courses.jpg
440 ms
junior_courses.jpg
440 ms
courses_for_professionals.jpg
512 ms
evening_classes.jpg
488 ms
academic.jpg
501 ms
exam_courses.jpg
514 ms
multicentre.jpg
570 ms
ISY.jpg
585 ms
university_preparation.jpg
678 ms
english_for_business.jpg
608 ms
english_for_specific_purposes.jpg
657 ms
study_and_work.jpg
666 ms
online_learning.jpg
692 ms
combined_courses.jpg
740 ms
club_40.jpg
746 ms
adventure_programmes.jpg
766 ms
1680.jpg
864 ms
1680.jpg
988 ms
1680.jpg
912 ms
1680.jpg
937 ms
1680.jpg
1107 ms
1680.jpg
1029 ms
__utm.gif
29 ms
1680.jpg
946 ms
collect
54 ms
1965_stamp_icon.svg
896 ms
cert_icon.svg
872 ms
heart_icon.svg
903 ms
stairs_icon.svg
844 ms
AjaxLoader.gif
867 ms
news.jpg
804 ms
videos.jpg
789 ms
hashtag.jpg
819 ms
testimonials.jpg
830 ms
Olivier-Kaeser.jpg
829 ms
lsi.edu accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Links do not have a discernible name
lsi.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
lsi.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
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.
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: