5.3 sec in total
1.1 sec
3.7 sec
500 ms
Visit letenky.invia.cz now to see the best up-to-date Letenky Invia content for Czech Republic and also check out these interesting facts you probably never knew about letenky.invia.cz
Rezervujte si letenky z nejširší nabídky levných letenek od desítek leteckých společností z pohodlí vašeho domova. Zajištujeme i víza, pojištění, půjčení auta.
Visit letenky.invia.czWe analyzed Letenky.invia.cz page load time and found that the first response time was 1.1 sec 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.
letenky.invia.cz performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value6.3 s
10/100
25%
Value7.5 s
26/100
10%
Value6,220 ms
0/100
30%
Value0.004
100/100
15%
Value16.2 s
6/100
10%
1112 ms
457 ms
954 ms
236 ms
236 ms
Our browser made a total of 101 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Letenky.invia.cz, 31% (31 requests) were made to Ssc.invia.cz and 13% (13 requests) were made to Eu-sonar.sociomantic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Letenky.invia.cz.
Page size can be reduced by 978.9 kB (67%)
1.5 MB
492.3 kB
In fact, the total size of Letenky.invia.cz main page is 1.5 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. 50% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 65.3 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 65.3 kB or 78% of the original size.
Potential reduce by 903 B
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. Letenky Invia images are well optimized though.
Potential reduce by 693.7 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 693.7 kB or 69% of the original size.
Potential reduce by 219.1 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. Letenky.invia.cz needs all CSS files to be minified and compressed as it can save up to 219.1 kB or 81% of the original size.
Number of requests can be reduced by 71 (80%)
89
18
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Letenky Invia. 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 as a result speed up the page load time.
letenky.invia.cz
1112 ms
combined-style-subpages.css
457 ms
combined-desktop.js
954 ms
ticket-search-form.js
236 ms
autocomplete.js
236 ms
jquery.ui.stars.js
237 ms
spcjs.php
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conversion.js
18 ms
gan.js
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print.css
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spc.php
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fl.js
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tracking.js
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analytics.js
132 ms
logo-invia.png
131 ms
parkia-cz.png
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present_cz.png
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visa.jpg
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pujcovna-aut.jpg
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parkovani-u-letiste.jpg
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branch.jpg
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partners-fly.png
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sprite-footer.png
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icomoon.woff
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script_data.js
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invia-cz
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fbds.js
106 ms
lg.php
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ga.js
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localization.cs.1.21f44e20ea40d01a7aae370a76b8e6d8_cc1cd8eedce6dc763dc2d47ec125b30a.js
219 ms
ping
248 ms
open_chat.cgi
245 ms
livechat-modern_7cf45543dc.ttf
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sociomantic
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UserMatch.ashx
37 ms
sync.cgi
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103 ms
serve
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52 ms
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Pug
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info.php
202 ms
tg-03.yieldpartners.com
217 ms
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merge
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tap.php
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embedded.20160317113847.js
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wkfQbvfT_02e2IWO3yYueQ.woff
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KT3KS9Aol4WfR6Vas8kNcg.woff
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sdk.js
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xd_arbiter.php
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xd_arbiter.php
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retargeting.js
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xd_arbiter.php
7 ms
letenky.invia.cz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not have valid values
[aria-*] attributes are not valid or misspelled
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
letenky.invia.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
letenky.invia.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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Letenky.invia.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 Letenky.invia.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.
letenky.invia.cz
Open Graph description is not detected on the main page of Letenky Invia. 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: