3.7 sec in total
333 ms
3.2 sec
137 ms
Click here to check amazing TELE3 content for Czech Republic. Otherwise, check out these important facts you probably never knew about tele3.cz
Komplexní internetová řešení od TELE3 - registrace domén, webhosting, serverhosting, VPS, virtuální servery, správa serveru, SSL certifikáty, VoIP
Visit tele3.czWe analyzed Tele3.cz page load time and found that the first response time was 333 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.
tele3.cz performance score
name
value
score
weighting
Value3.6 s
33/100
10%
Value5.4 s
21/100
25%
Value7.3 s
29/100
10%
Value50 ms
100/100
30%
Value0.002
100/100
15%
Value6.4 s
60/100
10%
333 ms
686 ms
426 ms
320 ms
321 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Tele3.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Tele3.cz.
Page size can be reduced by 121.9 kB (49%)
246.6 kB
124.7 kB
In fact, the total size of Tele3.cz main page is 246.6 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. 15% of websites need less resources to load. Javascripts take 134.7 kB which makes up the majority of the site volume.
Potential reduce by 9.6 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 9.6 kB or 73% of the original size.
Potential reduce by 1.2 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. TELE3 images are well optimized though.
Potential reduce by 92.0 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 92.0 kB or 68% of the original size.
Potential reduce by 19.1 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. Tele3.cz needs all CSS files to be minified and compressed as it can save up to 19.1 kB or 80% of the original size.
Number of requests can be reduced by 30 (71%)
42
12
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TELE3. 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.
tele3.cz
333 ms
www.tele3.cz
686 ms
alertify.core.css
426 ms
alertify.default.css
320 ms
style6.css
321 ms
jqueryslidemenu.css
323 ms
jquery-2.1.4.min.js
540 ms
alertify.min.js
424 ms
jquery.cycle.all.min.js
426 ms
jquery.limitkeypress.min.js
427 ms
jquery.functions7.js
528 ms
jqueryslidemenu.js
1523 ms
functions.js
530 ms
jquery.functions8.js
532 ms
logo.jpg
215 ms
mezlog.gif
108 ms
bg-login.png
109 ms
mezpwd.gif
107 ms
mojeID-login.png
106 ms
nakupni-kosik-1.png
109 ms
linkedin.png
210 ms
facebook.png
211 ms
twitter.png
211 ms
rss.png
213 ms
bgm.gif
214 ms
kvalitni-webhosting.jpg
522 ms
bg-osobni.jpg
314 ms
bg-firemni.jpg
315 ms
bg-domaineri.jpg
320 ms
bgpata.jpg
319 ms
fio.jpg
320 ms
rb.jpg
419 ms
qr-platby.jpg
421 ms
paypal.jpg
425 ms
visa.jpg
425 ms
mastercard.jpg
426 ms
ipv6.jpg
522 ms
dnssec.jpg
524 ms
suntech.jpg
531 ms
ubuntu-server.jpg
531 ms
cz-nic.jpg
532 ms
cisco-ccna.jpg
623 ms
down.gif
604 ms
right.gif
605 ms
tele3.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.
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
Form elements do not have associated labels
tele3.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
tele3.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Tele3.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 Tele3.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.
tele3.cz
Open Graph description is not detected on the main page of TELE3. 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: