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op-vk.cz: OP VK - Operační program Vzdělávání pro konkurenceschopnost

OP VK - Operační program Vzdělávání pro konkurenceschopnost -

Page load speed analysis

  • 65/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    811 ms

  • Resources loaded

    2.5 sec

  • Page rendered

    361 ms

  • Total page load time

    3.7 sec

Click here to check amazing OP VK content for Czech Republic. Otherwise, check out these important facts you probably never knew about op-vk.cz

We analyzed Op-vk.cz page load time and found that the first response time was 811 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Page optimization

  • HTML 58.6 kB
    Images 23.7 kB
    Javascripts 606.7 kB
    CSS 75.6 kB

    In fact, the total size of Op-vk.cz main page is 764.6 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. 55% of websites need less resources to load. Javascripts take 606.7 kB which makes up the majority of the site volume.

    • Original 58.6 kB
    • After minification 56.9 kB
    • After compression 12.9 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. 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 45.7 kB or 78% of the original size.

    • Original 23.7 kB
    • After optimization 20.1 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. Obviously, OP VK needs image optimization as it can save up to 3.6 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 606.7 kB
    • After minification 577.2 kB
    • After compression 181.6 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 425.1 kB or 70% of the original size.

    • Original 75.6 kB
    • After minification 61.5 kB
    • After compression 12.8 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. Op-vk.cz needs all CSS files to be minified and compressed as it can save up to 62.8 kB or 83% of the original size.

Network requests diagram

  • www.op-vk.cz
  • as4urs1.css
  • opvk.css
  • gallery.css
  • jquery.js
  • jquery-ui.js
  • nove_okno_obrazku.js
  • redakce.js
  • ajax_load.js
  • gallery4u.js
  • as4u_popup.js
  • opvk.js
  • tooltip.js
  • as4u_roller.js
  • element.js
  • 465.jpg
  • print.css
  • all.js
  • 464.png
  • imager.php
  • 12.png
  • 461.png
  • 13.png
  • 565.png
  • 5.png
  • xls.gif
  • 510.png
  • imager.php
  • 35.jpg
  • 68.png
  • 69.png
  • 680_460_130_5.jpg
  • 545_460_130_5.jpg
  • 757_460_130_5.jpg
  • 750_460_130_5.png
  • 760_460_130_5.jpg
  • 684_460_130_5.jpg
  • video_thumb.php
  • video_thumb.php
  • video_thumb.php
  • video_thumb.php
  • 518_170_56.jpg
  • 568_140_56.jpg
  • 526_170_56.jpg
  • 692_54_45.jpg
  • 753_170_48.jpg
  • pdf.gif
  • imager.php
  • loading.gif
  • translateelement.css
  • main.js
  • xd_arbiter.php
  • xd_arbiter.php
  • element_main.js
  • translate_24dp.png
  • l
  • googlelogo_color_42x16dp.png
  • googlelogo_color_68x28dp.png
  • cleardot.gif
  • te_ctrl3.gif
  • loading.gif
  • te_bk.gif

Our browser made a total of 63 requests to load all elements on the main page. We found that 57% of them (36 requests) were addressed to the original Op-vk.cz, 17% (11 requests) were made to Opvk.as4u.cz and 11% (7 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (868 ms) relates to the external source Opvk.as4u.cz.

Additional info on op-vk.cz

Requests

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OP VK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

15

Javascripts

40

Images

5

CSS

2

AJAX

62

All

Possible request optimization

1

Javascripts

25

Images

1

CSS

2

AJAX

33

Optimized

29

All

Normal result

IP address

This IP address is dedicated to Op-vk.cz. This is the best domain hosting practice .

Normal result

IP Trace

op-vk.cz

88.86.100.240

DNS records

Type Host Target/ip TTL Other
A

op-vk.cz

195.113.76.116 299
NS

op-vk.cz

alfa.ns.active24.cz 21599
NS

op-vk.cz

beta.ns.active24.cz 21599
NS

op-vk.cz

gama.ns.active24.sk 21599
SOA

op-vk.cz

21599 Mname: alfa.ns.active24.cz
Rname: hostmaster.active24.cz
Serial: 2017060906
Refresh: 10800
Retry: 1800
Expire: 1209600
Minimum-ttl: 3600

Language and encoding

Good result

Language

CS cs language flag

Detected

CS cs language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Op-vk.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 Op-vk.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

SSL Certificate

Op-vk.cz has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 100% of all visits is Czech Republic. It’s good for Op-vk.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

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of OP VK. 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:

op-vk.cz

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