2.4 sec in total
248 ms
1.9 sec
255 ms
Visit i4wifi.cz now to see the best up-to-date I 4 Wifi content for Czech Republic and also check out these interesting facts you probably never knew about i4wifi.cz
Společnost i4wifi 100MEGA Distribution s.r.o. se zabývá velkoobchodní a maloobchodní distribucí zařízení pro bezdrátový internet, optické připojení a prodejem dalších síťových komponent.
Visit i4wifi.czWe analyzed I4wifi.cz page load time and found that the first response time was 248 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.
i4wifi.cz performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value11.5 s
0/100
25%
Value8.2 s
20/100
10%
Value730 ms
41/100
30%
Value0.01
100/100
15%
Value12.4 s
15/100
10%
248 ms
424 ms
112 ms
328 ms
34 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 86% of them (48 requests) were addressed to the original I4wifi.cz, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to W3.org. The less responsive or slowest element that took the longest time to load (737 ms) belongs to the original domain I4wifi.cz.
Page size can be reduced by 497.7 kB (65%)
769.8 kB
272.1 kB
In fact, the total size of I4wifi.cz main page is 769.8 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. 20% of websites need less resources to load. Javascripts take 488.3 kB which makes up the majority of the site volume.
Potential reduce by 49.3 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. This page needs HTML code to be minified as it can gain 14.8 kB, which is 24% 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 49.3 kB or 81% of the original size.
Potential reduce by 21.1 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, I 4 Wifi needs image optimization as it can save up to 21.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 328.6 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 328.6 kB or 67% of the original size.
Potential reduce by 98.7 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. I4wifi.cz needs all CSS files to be minified and compressed as it can save up to 98.7 kB or 84% of the original size.
Number of requests can be reduced by 18 (34%)
53
35
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I 4 Wifi. 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.
i4wifi.cz
248 ms
www.i4wifi.cz
424 ms
jquery-ui.min.css
112 ms
oxid.css
328 ms
conversion.js
34 ms
oxid.js
217 ms
jquery.min.js
341 ms
bootstrap.min.js
229 ms
jquery-ui.min.js
498 ms
analytics.js
60 ms
valid-html401
112 ms
page_bg.gif
113 ms
bike.gif
116 ms
mt.gif
114 ms
tp.gif
108 ms
skoleni.gif
120 ms
bezdrat.gif
208 ms
ac.gif
216 ms
blog.gif
217 ms
i4wifi_logo.png
219 ms
mc-visa.gif
234 ms
ubiquiti.gif
275 ms
mikrotik.gif
312 ms
lb-link.gif
325 ms
tp-link.gif
327 ms
logo_GWL.png
328 ms
logo_EVB.png
345 ms
gridfree-logo.png
383 ms
68n382f98c2d7d9e07e2862b86870d3e_h.gif
417 ms
jced6d47cf0d0acc0d31482dff585e69.jpg
431 ms
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432 ms
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431 ms
mjle28e68d240c686684b0cff4f12f8c.jpg
460 ms
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495 ms
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520 ms
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538 ms
r6o239aa4b86abdf73df27cbfcf64cc7.jpg
538 ms
lan-module_3_th.jpg
540 ms
stock5.gif
572 ms
sh-tp-5-30_th.jpg
606 ms
rb962uigs-5hact2hnt_th.jpg
622 ms
ubntlbe-5ac-23_th.jpg
645 ms
stock0.gif
647 ms
valid-css2
100 ms
piwik.js
691 ms
67 ms
header_bg_narrow.png
737 ms
hledej.png
661 ms
oxid_ce_.gif
696 ms
collect
20 ms
40 ms
oxid_01_.gif
621 ms
buttons_ce_.gif
646 ms
rss.gif
645 ms
addtocart_s.png
690 ms
ui-bg_flat_75_ffffff_40x100.png
643 ms
i4wifi.cz accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
i4wifi.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
Registers an unload listener
Detected JavaScript libraries
Browser errors were logged to the console
i4wifi.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
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
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 I4wifi.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 I4wifi.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.
i4wifi.cz
Open Graph description is not detected on the main page of I 4 Wifi. 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: