13.2 sec in total
3.5 sec
9.3 sec
341 ms
Click here to check amazing Dpo content for Czech Republic. Otherwise, check out these important facts you probably never knew about dpo.cz
Dopravní podnik Ostrava a.s. – městská hromadná doprava v Ostravě.
Visit dpo.czWe analyzed Dpo.cz page load time and found that the first response time was 3.5 sec and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
dpo.cz performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value7.3 s
4/100
25%
Value7.6 s
26/100
10%
Value570 ms
52/100
30%
Value0.268
46/100
15%
Value7.3 s
49/100
10%
3547 ms
383 ms
481 ms
274 ms
276 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that all of those requests were addressed to Dpo.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Dpo.cz.
Page size can be reduced by 608.3 kB (31%)
2.0 MB
1.3 MB
In fact, the total size of Dpo.cz main page is 2.0 MB. 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 1.3 MB which makes up the majority of the site volume.
Potential reduce by 54.5 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 54.5 kB or 81% of the original size.
Potential reduce by 85.9 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. Dpo images are well optimized though.
Potential reduce by 360.5 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 360.5 kB or 72% of the original size.
Potential reduce by 107.4 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. Dpo.cz needs all CSS files to be minified and compressed as it can save up to 107.4 kB or 83% of the original size.
Number of requests can be reduced by 43 (57%)
75
32
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dpo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
dpo.cz
3547 ms
jcemediabox.css
383 ms
style.css
481 ms
system.css
274 ms
general.css
276 ms
style.css
288 ms
front.css
434 ms
nivo-slider.css
531 ms
style.css
389 ms
addons.css
545 ms
layout.css
491 ms
template.css
719 ms
usertools.css
688 ms
css3.css
733 ms
mega.css
745 ms
layout.css
746 ms
template.css
1307 ms
css3.css
801 ms
mega.css
830 ms
mootools-core.js
1160 ms
core.js
957 ms
mootools-more.js
2957 ms
caption.js
910 ms
jcemediabox.js
1156 ms
core.js
1166 ms
mega.js
1172 ms
script.js
1412 ms
jquery-1.6.4.min.js
1480 ms
jquery.nivo.slider.js
1719 ms
ja.rightcol.js
1441 ms
system.css
1154 ms
tex.png
121 ms
logo.png
224 ms
searchbg.png
112 ms
searchButton.gif
119 ms
bg-input.gif
113 ms
logo-ostrava-b.png
263 ms
nav.png
220 ms
arrow3.png
225 ms
arrow.png
235 ms
loading.gif
184 ms
phoca_thumb_l_vsichni.jpg
626 ms
phoca_thumb_l_poridte.jpg
634 ms
phoca_thumb_l_odbav.jpg
593 ms
phoca_thumb_l_cng.jpg
765 ms
phoca_thumb_l_palub.jpg
1170 ms
phoca_thumb_l_napeti.jpg
1434 ms
up-1.png
846 ms
up-2.png
842 ms
up-3.png
855 ms
up-4.png
985 ms
up-5.png
1057 ms
up-6.png
1097 ms
up-7.png
1080 ms
up-8.png
1204 ms
arrow-bl.png
1163 ms
bullet.png
1184 ms
bod-10-l.png
1204 ms
bezpe-ostrava.png
1417 ms
dycham-pro-ostravu.gif
1377 ms
jkm_cz_eng1.png
1440 ms
tram-x-chodec.png
1524 ms
zmeny-v-doprave_2016-02-28.png
1417 ms
bg-input.gif
1488 ms
bg-button.gif
1531 ms
strategie.png
1622 ms
film-odbav.png
2063 ms
popup.html
1517 ms
tooltip.html
1560 ms
film-1.png
1839 ms
film-2.png
2248 ms
arrow2.png
1522 ms
dot3.gif
1559 ms
print.css
114 ms
print.css
259 ms
bullets.png
114 ms
dpo.cz accessibility score
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
Image elements do not have [alt] attributes
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.
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.
dpo.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
dpo.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
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 Dpo.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 Dpo.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.
dpo.cz
Open Graph description is not detected on the main page of Dpo. 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: