3 sec in total
291 ms
2.5 sec
210 ms
Visit londoninstitute.cz now to see the best up-to-date London Institute content for Czech Republic and also check out these interesting facts you probably never knew about londoninstitute.cz
Jazyková škola, jazykové kurzy London Institute Praha v centru Prahy. Nabízíme jazykové kurzy, firemní jazykové kurzy a zahraniční jazykové pobyty a studium
Visit londoninstitute.czWe analyzed Londoninstitute.cz page load time and found that the first response time was 291 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
londoninstitute.cz performance score
name
value
score
weighting
Value3.5 s
33/100
10%
Value3.5 s
63/100
25%
Value5.0 s
63/100
10%
Value200 ms
89/100
30%
Value0
100/100
15%
Value10.0 s
26/100
10%
291 ms
506 ms
386 ms
243 ms
389 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 85% of them (50 requests) were addressed to the original Londoninstitute.cz, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Londoninstitute.cz.
Page size can be reduced by 344.0 kB (53%)
653.8 kB
309.7 kB
In fact, the total size of Londoninstitute.cz main page is 653.8 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 364.5 kB which makes up the majority of the site volume.
Potential reduce by 26.9 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 26.9 kB or 76% of the original size.
Potential reduce by 25.3 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, London Institute needs image optimization as it can save up to 25.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 237.3 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 237.3 kB or 65% of the original size.
Potential reduce by 54.6 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. Londoninstitute.cz needs all CSS files to be minified and compressed as it can save up to 54.6 kB or 85% of the original size.
Number of requests can be reduced by 27 (48%)
56
29
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of London Institute. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
londoninstitute.cz
291 ms
www.londoninstitute.cz
506 ms
styly.css
386 ms
style.css
243 ms
jquery-ui-1.8.16.custom.css
389 ms
jquery-1.7.min.js
651 ms
jquery-ui-1.8.min.js
695 ms
pirobox.js
267 ms
galerie.js
361 ms
map.js
390 ms
conversion.js
16 ms
slide_gallery.css
121 ms
ga.js
23 ms
logo.png
121 ms
dark_blue_corner.gif
123 ms
light_blue_corner.gif
123 ms
europe.gif
252 ms
body.gif
124 ms
main_menu.gif
123 ms
20120212235502aqx.jpg
1109 ms
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left_arrow.png
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right_arrow.png
596 ms
tea2.png
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tea.png
604 ms
en_flag.gif
605 ms
facebook.gif
616 ms
ejstit.gif
723 ms
footer_logo.gif
724 ms
sdk.js
158 ms
dark_blue_corner_white.gif
723 ms
red_top_corner_white.gif
716 ms
content.gif
725 ms
footer.gif
834 ms
surface_logo.png
835 ms
63 ms
__utm.gif
14 ms
close_btn.png
779 ms
t_l.png
785 ms
t_c.png
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t_r.png
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c_l.png
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b_l.png
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play.png
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xd_arbiter.php
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londoninstitute.cz 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.
londoninstitute.cz 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
londoninstitute.cz 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
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document uses plugins
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Londoninstitute.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Londoninstitute.cz 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.
londoninstitute.cz
Open Graph description is not detected on the main page of London Institute. 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: