Page load speed analysis
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57/100
Normal result -
6
Successful tests -
2
Failed tests
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First response
2.1 sec
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Resources loaded
5.1 sec
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Page rendered
189 ms
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Total page load time
7.3 sec
Click here to check amazing Fu Osu content for Czech Republic. Otherwise, check out these important facts you probably never knew about fu.osu.cz
We analyzed Fu.osu.cz page load time and found that the first response time was 2.1 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
Page optimization
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HTML 36.5 kB Images 121.1 kB Javascripts 177.3 kB CSS 40.2 kB In fact, the total size of Fu.osu.cz main page is 375.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 10% of websites need less resources to load. Javascripts take 177.3 kB which makes up the majority of the site volume.
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Original 36.5 kB
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After minification 27.0 kB
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After compression 5.3 kB
HTML optimization
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 9.5 kB, which is 26% 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 31.2 kB or 86% of the original size.
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Original 121.1 kB
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After optimization 109.1 kB
Image optimization
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. Fu Osu images are well optimized though.
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Original 177.3 kB
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After minification 143.7 kB
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After compression 41.3 kB
JavaScript optimization
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 135.9 kB or 77% of the original size.
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Original 40.2 kB
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After minification 32.7 kB
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After compression 5.8 kB
CSS optimization
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. Fu.osu.cz needs all CSS files to be minified and compressed as it can save up to 34.4 kB or 85% of the original size.
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Network requests diagram
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fu.osu.cz
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celaou.css
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celaou_cz.css
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fu01.css
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lightbox.css
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hornimenuosucz.js
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calendar.js
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prototype.js
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scriptaculous.js
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lightbox.js
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bg_hlava_all1.png
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bg_hlava_fu1.png
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bg_hlava_all2.png
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bg_hlava_fu2.png
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foto_hlava_50-02.jpg
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tecka.gif
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zavinac.gif
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search.gif
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vlajka-cz.gif
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vlajka-en.gif
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zavinac-pata.gif
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tecka-pata.gif
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bg_hlava_all3.png
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bg_hlava_ou3.png
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bg_telo-all.gif
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bg_telo2.gif
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bg_telo2-stavovy.gif
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li-menu.gif
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li-text.gif
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pata-logo.gif
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bg_pata_dole.gif
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ga.js
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__utm.gif
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celaou-print.css
Our browser made a total of 34 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Fu.osu.cz, 91% (31 requests) were made to Osu.cz and 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 Fu.osu.cz.
Additional info on fu.osu.cz
Requests
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fu Osu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
Javascripts
Images
CSS
All
Possible request optimization
Javascripts
Images
CSS
Optimized
All
Normal result
IP address
Fu.osu.cz uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.
Poor result
IP Trace
fu.osu.cz
osu.cz
osu.eu
pdf.osu.cz
ff.osu.cz
78.128.128.25
DNS records
| Type | Host | Target/ip | TTL | Other |
|---|---|---|---|---|
| A | wanda.osu.cz |
78.128.128.25 | 21599 | |
| CNAME | fu.osu.cz |
wanda.osu.cz | 299 | |
| TXT | wanda.osu.cz |
21599 | Txt: webserver OU |
|
| AAAA | wanda.osu.cz |
21599 | Ipv6: 2001:718:1005:620::25 |
Language and encoding
Normal result
Language
CS
Detected
EN
Claimed
Encoding
UTF-8
Claimed
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fu.osu.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 Fu.osu.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.
HTTPS certificate
Fu.osu.cz has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.
Poor result
Visitor World Map
Country of origin for 92.2% of all visits is Czech Republic. It’s good for Fu.osu.cz that their server is also located in Czech Republic, as that enables the majority of their visitors to benefit from a much faster page load time.
Good result
Good result
Social Sharing Optimization
Open Graph data is detected on the main page of Fu Osu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:
fu.osu.cz
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