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Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

isc.jcu.cz

Page Load Speed

5.6 sec in total

First Response

1.5 sec

Resources Loaded

3.8 sec

Page Rendered

294 ms

isc.jcu.cz screenshot

About Website

Welcome to isc.jcu.cz homepage info - get ready to check Isc Jcu best content for Czech Republic right away, or after learning these important things about isc.jcu.cz

Visit isc.jcu.cz

Key Findings

We analyzed Isc.jcu.cz page load time and found that the first response time was 1.5 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

isc.jcu.cz performance score

0

Network Requests Diagram

isc.jcu.cz

1492 ms

isc.jcu.cz

482 ms

nextgen_gallery_related_images.css

241 ms

style.css

362 ms

ajax.js

296 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 90% of them (52 requests) were addressed to the original Isc.jcu.cz, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Isc.jcu.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 485.6 kB (59%)

Content Size

818.0 kB

After Optimization

332.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isc.jcu.cz main page is 818.0 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. 35% of websites need less resources to load. Javascripts take 287.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 51.9 kB

  • Original 63.7 kB
  • After minification 61.0 kB
  • After compression 11.8 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 51.9 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 20.5 kB

  • Original 210.5 kB
  • After minification 189.9 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. Isc Jcu images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 194.4 kB

  • Original 287.2 kB
  • After minification 260.0 kB
  • After compression 92.9 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 194.4 kB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 218.7 kB

  • Original 256.6 kB
  • After minification 227.7 kB
  • After compression 37.8 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. Isc.jcu.cz needs all CSS files to be minified and compressed as it can save up to 218.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (67%)

Requests Now

57

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isc Jcu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isc.jcu.cz

isc.jcu.cz

1492 ms

isc.jcu.cz

isc.jcu.cz

482 ms

nextgen_gallery_related_images.css

nextgen_gallery_related_images.css

241 ms

style.css

style.css

362 ms

ajax.js

ajax.js

296 ms

jquery.js

jquery.js

1655 ms

jquery-migrate.min.js

jquery-migrate.min.js

1296 ms

persist.js

persist.js

478 ms

store.js

store.js

415 ms

ngg_store.js

ngg_store.js

489 ms

require.js

require.js

536 ms

lightbox_context.js

lightbox_context.js

595 ms

frontend.js

frontend.js

598 ms

jquery.colorbox.js

jquery.colorbox.js

599 ms

jquery.tooltip.js

jquery.tooltip.js

657 ms

lightbox-gallery.js

lightbox-gallery.js

713 ms

lightbox-gallery.css

lightbox-gallery.css

719 ms

style-mobile.css

style-mobile.css

719 ms

trigger_buttons.css

trigger_buttons.css

776 ms

shutter.css

shutter.css

725 ms

nextgen_basic_thumbnails.css

nextgen_basic_thumbnails.css

733 ms

style.css

style.css

731 ms

nggallery.css

nggallery.css

789 ms

font-awesome.css

font-awesome.css

844 ms

common_frontend.js

common_frontend.js

850 ms

common.js

common.js

851 ms

nextgen_basic_thumbnails.js

nextgen_basic_thumbnails.js

907 ms

shutter.js

shutter.js

961 ms

nextgen_shutter.js

nextgen_shutter.js

968 ms

fontfaces.css

fontfaces.css

729 ms

back.png

back.png

130 ms

cropped-header3.png

cropped-header3.png

483 ms

Facebook.png

Facebook.png

124 ms

YouTube.png

YouTube.png

123 ms

Mail.png

Mail.png

126 ms

RSS.png

RSS.png

130 ms

budabrat-2-200x150.jpg

budabrat-2-200x150.jpg

477 ms

viden-6-227x150.jpg

viden-6-227x150.jpg

479 ms

krakow16-8-228x150.jpg

krakow16-8-228x150.jpg

482 ms

pasov-2-250x144.jpg

pasov-2-250x144.jpg

242 ms

ferrata2015-9-223x150.jpg

ferrata2015-9-223x150.jpg

369 ms

logoju-150x150.png

logoju-150x150.png

483 ms

majales2015-2_6729-224x150.jpg

majales2015-2_6729-224x150.jpg

614 ms

gastrofestival2015-46-224x150.jpg

gastrofestival2015-46-224x150.jpg

714 ms

exotic2015-9-224x150.jpg

exotic2015-9-224x150.jpg

598 ms

pardal2015-42-200x150.jpg

pardal2015-42-200x150.jpg

600 ms

search.png

search.png

602 ms

main.js

main.js

601 ms

analytics.js

analytics.js

35 ms

all.js

all.js

73 ms

overlay.png

overlay.png

662 ms

border.png

border.png

666 ms

controls.png

controls.png

669 ms

common_frontend.js

common_frontend.js

667 ms

collect

collect

11 ms

126 ms

xd_arbiter.php

xd_arbiter.php

73 ms

xd_arbiter.php

xd_arbiter.php

127 ms

SEO Factors

isc.jcu.cz SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isc.jcu.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Isc.jcu.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.

Social Sharing Optimization

isc.jcu.cz

Open Graph description is not detected on the main page of Isc Jcu. 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: