6 sec in total
792 ms
4.8 sec
380 ms
Click here to check amazing Olberg content. Otherwise, check out these important facts you probably never knew about olberg.cz
Wellness hotel Olberg a restaurace v Olomučanech nedaleko Blanska nabízí ubytování v nově zrekonstruovaných prostorech. Výhodné ceny - ověřte si volné termíny. Slevy pro online objednávky zde.
Visit olberg.czWe analyzed Olberg.cz page load time and found that the first response time was 792 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
olberg.cz performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value3.5 s
63/100
25%
Value6.8 s
34/100
10%
Value870 ms
33/100
30%
Value0.211
59/100
15%
Value7.8 s
45/100
10%
792 ms
240 ms
241 ms
242 ms
246 ms
Our browser made a total of 89 requests to load all elements on the main page. We found that 87% of them (77 requests) were addressed to the original Olberg.cz, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Booking.previo.cz. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Olberg.cz.
Page size can be reduced by 926.7 kB (41%)
2.3 MB
1.3 MB
In fact, the total size of Olberg.cz main page is 2.3 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. 45% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 40.8 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 40.8 kB or 76% of the original size.
Potential reduce by 76.1 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. Olberg images are well optimized though.
Potential reduce by 589.1 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 589.1 kB or 71% of the original size.
Potential reduce by 220.7 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. Olberg.cz needs all CSS files to be minified and compressed as it can save up to 220.7 kB or 82% of the original size.
Number of requests can be reduced by 45 (54%)
83
38
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olberg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.
792 ms
BrowserUpdateWarning.css
240 ms
slimbox.css
241 ms
mavikthumbnails.css
242 ms
style.min.css
246 ms
bootstrap.min.css
1202 ms
bootstrap-responsive.min.css
358 ms
bootstrap-extended.css
364 ms
default_module.css
364 ms
style.css
365 ms
calendar-jos.css
367 ms
template.css
478 ms
mootools-core.js
848 ms
core.js
480 ms
mootools-more.js
1245 ms
BrowserUpdateWarning.js
486 ms
slimbox.js
598 ms
jquery.min.js
957 ms
jquery-noconflict.js
608 ms
jquery-migrate.min.js
727 ms
caption.js
731 ms
bootstrap.min.js
849 ms
script.min.js
852 ms
jQuery.highlightToday.min.js
968 ms
calendar.js
972 ms
calendar-setup.js
974 ms
ScrollSpy.min.js
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topofthepage.min.js
1086 ms
ie9-10.css
1092 ms
text.css
1095 ms
layout.css
1239 ms
nav.css
1318 ms
typography.css
1321 ms
template.css
1339 ms
responsive-template.css
1323 ms
selectnav.min.js
1322 ms
777 ms
css
23 ms
style6.css
1099 ms
camera.css
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jquery.mobile.customized.min.js
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jquery.easing.1.3.js
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camera.min.js
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analytics.js
30 ms
hotjar-79435.js
209 ms
collect
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collect
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ru.gif
144 ms
cz.gif
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logo.jpg
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top-menu-sep.png
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rezervace.jpg
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wellnes.jpg
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pobytove_balicky.jpg
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menu.jpg
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ic_small_w100h100q100_degustace-vina-fcb.jpg
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facebook.png
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youtube.png
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snek_krasik.png
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dum-prirody-logo.jpg
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cv_2008.png
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kamvblansku.gif
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znacka_mk.png
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u_rechu.png
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AHR_logo_grey.png
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glyphicons-halflings.png
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zoomin.cur
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olberg_li.png
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u-WUoqrET9fUeobQW7jkRaCWcynf_cDxXwCLxiixG1c.ttf
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ga-audiences
111 ms
iCicons.woff
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modules-043c1e6abe660c48857202e419ff9d8a.js
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fbevents.js
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sl-arrow-left-cover.png
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camera_skins.png
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sl-arrow-right-cover.png
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camera-loader.gif
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header-wellness.jpg
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visit-data
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uvod_2.jpg
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print.css
122 ms
olberg.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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.
olberg.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
olberg.cz SEO score
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olberg.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 Olberg.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.
olberg.cz
Open Graph description is not detected on the main page of Olberg. 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: