5.6 sec in total
845 ms
4.4 sec
396 ms
Visit ucebnice.fraus.cz now to see the best up-to-date Ucebnice Fraus content for Czech Republic and also check out these interesting facts you probably never knew about ucebnice.fraus.cz
Nakladatelství Fraus Vám dodává moderní tištěné a elektronické učebnice pro základní, střední a jazykové školy, slovníky a pedagogickou literaturu.
Visit ucebnice.fraus.czWe analyzed Ucebnice.fraus.cz page load time and found that the first response time was 845 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
ucebnice.fraus.cz performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value6.2 s
11/100
25%
Value5.4 s
57/100
10%
Value120 ms
97/100
30%
Value0.479
18/100
15%
Value7.1 s
52/100
10%
845 ms
364 ms
358 ms
889 ms
50 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 63% of them (25 requests) were addressed to the original Ucebnice.fraus.cz, 10% (4 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ucebnice.fraus.cz.
Page size can be reduced by 95.4 kB (10%)
989.7 kB
894.3 kB
In fact, the total size of Ucebnice.fraus.cz main page is 989.7 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. Images take 934.8 kB which makes up the majority of the site volume.
Potential reduce by 25.7 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 25.7 kB or 76% of the original size.
Potential reduce by 69.6 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. Ucebnice Fraus images are well optimized though.
Potential reduce by 50 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 14 (41%)
34
20
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ucebnice Fraus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
ucebnice.fraus.cz
845 ms
main.css
364 ms
main-expanded.css
358 ms
lead
889 ms
js
50 ms
web.js
1067 ms
css
59 ms
css
71 ms
master-head-logo-20160219-160224.png
630 ms
jfcup_banner-webnf_1548x540px_fin.jpg
1232 ms
banner_balicky2.jpg
1207 ms
banner_hv_2-20160222-132629.jpg
1102 ms
5846.jpg
535 ms
5384.jpg
516 ms
5391.jpg
634 ms
eepg.png
686 ms
ckn.png
749 ms
amv.png
751 ms
f-media.png
809 ms
adra.png
870 ms
gtm.js
127 ms
sprites.png
1202 ms
ajax-loader.gif
920 ms
slider-preloader.gif
1093 ms
motive-03.jpg
1363 ms
Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf
25 ms
5M21SdFLkD52QavfmHs6cA.ttf
75 ms
oOeFwZNlrTefzLYmlVV1UKCWcynf_cDxXwCLxiixG1c.ttf
76 ms
97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf
75 ms
analytics.js
216 ms
fbevents.js
336 ms
monkeytracker.min.js
801 ms
request
1240 ms
ajax-loader.gif
849 ms
collect
2 ms
collect
53 ms
23 ms
drop-shadow.png
119 ms
zoomout.cur
231 ms
loader.white.gif
344 ms
ucebnice.fraus.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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
ucebnice.fraus.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
Missing source maps for large first-party JavaScript
ucebnice.fraus.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 Ucebnice.fraus.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 Ucebnice.fraus.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.
ucebnice.fraus.cz
Open Graph description is not detected on the main page of Ucebnice Fraus. 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: