5.2 sec in total
717 ms
4.3 sec
152 ms
Visit otos.cz now to see the best up-to-date Otos content for Czech Republic and also check out these interesting facts you probably never knew about otos.cz
Motobaterie, autobaterie, nabíječka autobaterií, trakční baterie, záložní baterie, autobaterie Varta, autobaterie Banner. Prodej moto baterií a autobaterií od prověřených značek za nízké ceny. Široká ...
Visit otos.czWe analyzed Otos.cz page load time and found that the first response time was 717 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
otos.cz performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value3.8 s
55/100
25%
Value5.6 s
53/100
10%
Value480 ms
60/100
30%
Value0.004
100/100
15%
Value6.7 s
57/100
10%
717 ms
1369 ms
217 ms
188 ms
188 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 89% of them (64 requests) were addressed to the original Otos.cz, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Otos.cz.
Page size can be reduced by 138.5 kB (40%)
345.9 kB
207.4 kB
In fact, the total size of Otos.cz main page is 345.9 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. 30% of websites need less resources to load. Javascripts take 187.9 kB which makes up the majority of the site volume.
Potential reduce by 76.2 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. 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 76.2 kB or 86% of the original size.
Potential reduce by 22.7 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. Obviously, Otos needs image optimization as it can save up to 22.7 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 39.4 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 39.4 kB or 21% of the original size.
Potential reduce by 199 B
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. Otos.cz needs all CSS files to be minified and compressed as it can save up to 199 B or 15% of the original size.
Number of requests can be reduced by 39 (56%)
70
31
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
otos.cz
717 ms
www.otos.cz
1369 ms
style.css
217 ms
support.js
188 ms
windows.js
188 ms
functions.js
188 ms
jquery.js
301 ms
jquery.cookie.js
197 ms
jquery.cookies_usage_info.js
280 ms
flash_news.js
281 ms
conversion.js
83 ms
colorizer.css
95 ms
hlavicka.gif
468 ms
logo.gif
187 ms
tree_close.gif
100 ms
tree_none.gif
100 ms
1-1.gif
95 ms
1-2.gif
95 ms
1-3.gif
188 ms
0-5.gif
189 ms
2-1.gif
197 ms
2-2.gif
198 ms
2-3.gif
280 ms
3-1.gif
281 ms
3-2.gif
282 ms
3-3.gif
295 ms
4-1.gif
295 ms
4-2.gif
374 ms
4-3.gif
374 ms
nabijecka-autobaterii-bosch-c3-6-12v-3-8a-small.jpg
374 ms
varta-blue-dynamic-12v-44ah-440a-544-402-044-small.jpg
392 ms
nabijecka-ctek-mxs-5-0-12v-5a-small.jpg
393 ms
varta-silver-dynamic-12v-77ah-780a-577-400-e44-small.jpg
467 ms
varta-professional-starter-12v-74ah-680a-930-074-lfs74-small.jpg
468 ms
motobaterie-varta-ytx9-bs-508012-12v-8ah-135a-small.jpg
468 ms
motobaterie-varta-ytx12-bs-510012-12v-10ah-150a-small.jpg
491 ms
autobaterie-banner-starting-bull-12v-72ah-640a-57212-small.jpg
491 ms
autobaterie-banner-power-bull-professional-12v-63ah-620a-p6340-small.jpg
562 ms
autobaterie-banner-power-bull-professional-12v-77ah-p7740-small.jpg
563 ms
captcha.php
565 ms
19.jpg
563 ms
motobatt-mplx7u-hp-lithium-mini.jpg
589 ms
motobatt-mplxhk-p-lithium-mini.jpg
589 ms
noco-gbc017-ochranne-pouzdro-gb50-mini.jpg
663 ms
nabijec-volt-lcd-12v-10a-24v-5a-mini.jpg
656 ms
vipow-lp75-12-12v-75ah-mini.jpg
663 ms
rss.gif
664 ms
navbar.png
678 ms
divider.gif
596 ms
panel_h3.png
657 ms
button.png
662 ms
orange-arrow.png
662 ms
0-4.gif
574 ms
bg_page.png
600 ms
button-basket.png
601 ms
16.gif
650 ms
bg_products_cleaner.png
657 ms
23.gif
575 ms
ico-basket.black.gif
573 ms
ico-user.black.gif
605 ms
ico-email.png
593 ms
ico-mobil.png
646 ms
refresh.gif
574 ms
retargeting.js
702 ms
print.css
96 ms
counter.php
371 ms
48 ms
analytics.js
20 ms
conv.js
802 ms
collect
15 ms
30 ms
js
64 ms
otos.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.
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
otos.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
Page has valid source maps
otos.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Otos.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 Otos.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.
otos.cz
Open Graph description is not detected on the main page of Otos. 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: