4.7 sec in total
319 ms
4.1 sec
328 ms
Click here to check amazing Nazuby content for Czech Republic. Otherwise, check out these important facts you probably never knew about nazuby.cz
Chcete mít zdravé zuby a krásný úsměv? U nás naleznete za výborné ceny vše, co potřebujete pro kompletní ústní hygienu. Jsme specialisté a poradíme Vám, zeptejte se.
Visit nazuby.czWe analyzed Nazuby.cz page load time and found that the first response time was 319 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
nazuby.cz performance score
name
value
score
weighting
Value2.9 s
51/100
10%
Value3.2 s
72/100
25%
Value4.5 s
73/100
10%
Value1,160 ms
22/100
30%
Value0.003
100/100
15%
Value13.8 s
10/100
10%
319 ms
1079 ms
88 ms
414 ms
837 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 85% of them (62 requests) were addressed to the original Nazuby.cz, 5% (4 requests) were made to Google-analytics.com and 1% (1 request) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Nazuby.cz.
Page size can be reduced by 129.1 kB (59%)
218.2 kB
89.0 kB
In fact, the total size of Nazuby.cz main page is 218.2 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. 35% of websites need less resources to load. HTML takes 143.1 kB which makes up the majority of the site volume.
Potential reduce by 128.8 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 22.8 kB, which is 16% 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 128.8 kB or 90% of the original size.
Potential reduce by 148 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. Nazuby images are well optimized though.
Potential reduce by 122 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 19 (27%)
70
51
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nazuby. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
nazuby.cz
319 ms
www.nazuby.cz
1079 ms
fbevents.js
88 ms
public-2.5.38.min.css
414 ms
angular-lib-2.5.38.min.js
837 ms
category_service.js
724 ms
shop-angular-2.5.38.min.js
723 ms
angular-locale_cs_CZ.js
321 ms
6108.png
227 ms
5932.png
226 ms
heureka_logo.png
227 ms
payment_types.png
227 ms
newsletter_example.jpg
226 ms
gtm.js
275 ms
dynamic-urls.json
568 ms
item.json
216 ms
current.json
116 ms
in-action.json
145 ms
favourites.json
151 ms
news.json
187 ms
homepage.json
219 ms
tags.json
236 ms
homepage.templ.html
254 ms
right_background.jpg
239 ms
logo.png
367 ms
slogan.png
367 ms
menu-item-bg.png
367 ms
menu-item-other-bg.png
370 ms
icons-sprite.png
369 ms
status_check.png
395 ms
partner.png
422 ms
background.png
438 ms
footer-orange-bg.jpg
525 ms
loader-mini.gif
525 ms
breadcrumb-bg.png
527 ms
loader-page.gif
528 ms
transp_bg.png
542 ms
analytics.js
77 ms
conversion_async.js
70 ms
find.json
1029 ms
find.json
1079 ms
slider-homepage.html
259 ms
category1.png
256 ms
category2.png
255 ms
category3.png
260 ms
category4.png
286 ms
category5.png
307 ms
category6.png
339 ms
6258.png
638 ms
6254.png
639 ms
6004.png
682 ms
3959.png
390 ms
3960.png
410 ms
3961.png
447 ms
3962.png
495 ms
tab-gradient.png
515 ms
clanky_poradna_bg.jpg
555 ms
clanky_homepage2.png
602 ms
poradna_homepage2.png
622 ms
53 ms
ec.js
11 ms
collect
14 ms
collect
108 ms
collect
20 ms
90 ms
178_220_189.jpg
481 ms
187_220_189.jpg
497 ms
125_220_189.jpg
498 ms
917_220_189.jpg
546 ms
34_220_189.jpg
587 ms
383_220_189.jpg
602 ms
slider-sprite.png
603 ms
retargeting.js
449 ms
nazuby.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-hidden="true"] elements contain focusable descendents
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
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.
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>).
nazuby.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
nazuby.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 Nazuby.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 Nazuby.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.
nazuby.cz
Open Graph description is not detected on the main page of Nazuby. 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: