2.9 sec in total
704 ms
1.8 sec
424 ms
Welcome to lion-helicopters.cz homepage info - get ready to check Lionheli Copters best content right away, or after learning these important things about lion-helicopters.cz
Specializujeme se na speciální činnosti, výcvik pilotů a zážitkové lety s moderními vrtulníky. Zajišťujeme údržbu a prodej vrtulníků Guimbal Cabri G2
Visit lion-helicopters.czWe analyzed Lion-helicopters.cz page load time and found that the first response time was 704 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.
lion-helicopters.cz performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value17.0 s
0/100
25%
Value9.6 s
11/100
10%
Value110 ms
98/100
30%
Value0
100/100
15%
Value11.6 s
18/100
10%
704 ms
421 ms
226 ms
687 ms
392 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 47% of them (24 requests) were addressed to the original Lion-helicopters.cz, 8% (4 requests) were made to Facebook.com and 6% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (704 ms) belongs to the original domain Lion-helicopters.cz.
Page size can be reduced by 814.2 kB (50%)
1.6 MB
821.7 kB
In fact, the total size of Lion-helicopters.cz main page is 1.6 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. 70% of websites need less resources to load. Images take 639.5 kB which makes up the majority of the site volume.
Potential reduce by 88.0 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 88.0 kB or 77% of the original size.
Potential reduce by 85.8 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, Lionheli Copters needs image optimization as it can save up to 85.8 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 406.2 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 406.2 kB or 68% of the original size.
Potential reduce by 234.2 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. Lion-helicopters.cz needs all CSS files to be minified and compressed as it can save up to 234.2 kB or 83% of the original size.
Number of requests can be reduced by 17 (35%)
48
31
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lionheli Copters. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
lion-helicopters.cz
704 ms
main14.css
421 ms
stdpage14.css
226 ms
jquery-1.6.1.min.js
687 ms
prettyPhoto.css
392 ms
jquery.prettyPhoto.js
507 ms
all.js
7 ms
pinit.js
5 ms
fp.js
4 ms
hotjar-111466.js
98 ms
offsite_event.php
112 ms
modules-043c1e6abe660c48857202e419ff9d8a.js
29 ms
ga.js
41 ms
all.js
5 ms
master_back_pf2016.jpg
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logo_small.png
34 ms
back_mple_gray.png
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back_mple_white.png
122 ms
menu_top_border.png
125 ms
menu_top_back.jpg
125 ms
main_logo_top.png
123 ms
menu_spacer.png
227 ms
menu_ul_top.png
229 ms
box_grey_bck.png
229 ms
menu_ul_2.png
224 ms
box_blue1_bck.png
225 ms
box_blue12_sp.png
353 ms
box_blue2_bck.png
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box_orange_bck.png
352 ms
box_prodejg2.jpg
612 ms
WebResource.axd
354 ms
bottom_logo.jpg
539 ms
guimbal-cz.jpg
629 ms
g8k4eiK-A6c
108 ms
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__utm.gif
43 ms
xd_arbiter.php
41 ms
xd_arbiter.php
71 ms
www-embed-player-vflfNyN_r.css
57 ms
www-embed-player.js
77 ms
base.js
112 ms
pinit_main.js
244 ms
like.php
124 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
68 ms
ad_status.js
68 ms
visit-data
253 ms
h5Lp5Et_eC4.js
84 ms
LVx-xkvaJ0b.png
77 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
71 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
72 ms
lion-helicopters.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
lion-helicopters.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
lion-helicopters.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lion-helicopters.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 Lion-helicopters.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.
lion-helicopters.cz
Open Graph description is not detected on the main page of Lionheli Copters. 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: