4.8 sec in total
570 ms
4 sec
186 ms
Click here to check amazing Josef Nejedly content. Otherwise, check out these important facts you probably never knew about josef-nejedly.cz
Raspberry Pi, elektronika, servis počítačů, prodej hardware a software, webdesign, tvorba webových stránek, e-shop analogových kamer a IP kamer.
Visit josef-nejedly.czWe analyzed Josef-nejedly.cz page load time and found that the first response time was 570 ms 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.
josef-nejedly.cz performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value5.9 s
14/100
25%
Value7.3 s
29/100
10%
Value480 ms
60/100
30%
Value0.028
100/100
15%
Value9.8 s
28/100
10%
570 ms
224 ms
1163 ms
604 ms
954 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 86% of them (19 requests) were addressed to the original Josef-nejedly.cz, 9% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Toplist.cz. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Josef-nejedly.cz.
Page size can be reduced by 49.5 kB (8%)
616.5 kB
567.1 kB
In fact, the total size of Josef-nejedly.cz main page is 616.5 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. Images take 529.0 kB which makes up the majority of the site volume.
Potential reduce by 7.2 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 1.5 kB, which is 14% 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 7.2 kB or 66% of the original size.
Potential reduce by 2.7 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. Josef Nejedly images are well optimized though.
Potential reduce by 33.3 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 33.3 kB or 49% of the original size.
Potential reduce by 6.2 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. Josef-nejedly.cz needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 78% of the original size.
Number of requests can be reduced by 5 (24%)
21
16
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Josef Nejedly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
josef-nejedly.cz
570 ms
Envision.css
224 ms
raspberry.gif
1163 ms
PF2013_eml.jpg
604 ms
PF2012.jpg
954 ms
c4.gif
288 ms
count.asp
210 ms
ga.js
9 ms
content.jpg
113 ms
header.jpg
235 ms
menu.jpg
149 ms
dots.jpg
223 ms
piwik_logo.png
279 ms
banner_eshop.jpg
335 ms
square-green.png
363 ms
kamera.jpg
403 ms
quote.gif
447 ms
eps.jpg
841 ms
pujcky.gif
491 ms
footer.jpg
518 ms
__utm.gif
16 ms
piwik.js
744 ms
josef-nejedly.cz accessibility score
josef-nejedly.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
Browser errors were logged to the console
josef-nejedly.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
EN
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Josef-nejedly.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Josef-nejedly.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
josef-nejedly.cz
Open Graph description is not detected on the main page of Josef Nejedly. 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: