4.5 sec in total
487 ms
3.8 sec
237 ms
Click here to check amazing SIGMA 1868 content. Otherwise, check out these important facts you probably never knew about sigma1868.cz
Čerpadla pro dům a zahradu a průmyslová čerpadla vyrábí a dodává SIGMA 1868 s.r.o. - SIGMA 1868 spol. s r.o.
Visit sigma1868.czWe analyzed Sigma1868.cz page load time and found that the first response time was 487 ms and then it took 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.
sigma1868.cz performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value5.5 s
19/100
25%
Value4.6 s
71/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value3.8 s
90/100
10%
487 ms
661 ms
516 ms
278 ms
305 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 94% of them (34 requests) were addressed to the original Sigma1868.cz, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Sigma1868.cz.
Page size can be reduced by 104.1 kB (14%)
770.4 kB
666.4 kB
In fact, the total size of Sigma1868.cz main page is 770.4 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. Images take 636.2 kB which makes up the majority of the site volume.
Potential reduce by 7.1 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 7.1 kB or 68% of the original size.
Potential reduce by 19.5 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. SIGMA 1868 images are well optimized though.
Potential reduce by 60.7 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 60.7 kB or 59% of the original size.
Potential reduce by 16.8 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. Sigma1868.cz needs all CSS files to be minified and compressed as it can save up to 16.8 kB or 82% of the original size.
Number of requests can be reduced by 5 (15%)
34
29
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SIGMA 1868. 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 as a result speed up the page load time.
sigma1868.cz
487 ms
www.sigma1868.cz
661 ms
jquery-1.2.6.min.js
516 ms
slimbox2.js
278 ms
jquery.metadata.min.js
305 ms
jquery.validate.min.js
483 ms
emaily.js
327 ms
screen.css
483 ms
slimbox2.css
410 ms
pozadi.jpg
683 ms
hlavicka.jpg
501 ms
uvod_box_dolni3.jpg
148 ms
cz.jpg
180 ms
en.jpg
181 ms
lista_menu.jpg
183 ms
aktivni_menu.jpg
270 ms
pravy-rozek.jpg
337 ms
prechod_sedy.jpg
339 ms
foto1.jpg
400 ms
prechod_cerveny.jpg
393 ms
foto2.jpg
501 ms
foto3.jpg
523 ms
foto4.jpg
523 ms
foto5.jpg
569 ms
foto6.jpg
658 ms
foto7.jpg
664 ms
foto8.jpg
1254 ms
foto9.jpg
655 ms
foto91.jpg
728 ms
zalozka_zluta.jpg
777 ms
uvod_box_dolni1.jpg
828 ms
P1010377_vyriznute.JPG
2079 ms
uvod_box_dolni2.jpg
844 ms
info-evgu.jpg
891 ms
ga.js
6 ms
__utm.gif
11 ms
sigma1868.cz accessibility score
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 valid value for its [lang] attribute.
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
Links do not have a discernible name
sigma1868.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
Serves images with low resolution
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
sigma1868.cz SEO score
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
CS
CZ
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sigma1868.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 language. Our system also found out that Sigma1868.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.
sigma1868.cz
Open Graph description is not detected on the main page of SIGMA 1868. 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: