Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

is.bivs.cz

Informační systém

Page Load Speed

2.2 sec in total

First Response

499 ms

Resources Loaded

1.6 sec

Page Rendered

126 ms

is.bivs.cz screenshot

About Website

Visit is.bivs.cz now to see the best up-to-date Is Bivs content for Czech Republic and also check out these interesting facts you probably never knew about is.bivs.cz

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Key Findings

We analyzed Is.bivs.cz page load time and found that the first response time was 499 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

is.bivs.cz performance score

0

Network Requests Diagram

is.bivs.cz

499 ms

prvky.css

239 ms

p.css

246 ms

jquery-1.7.1.min.js

408 ms

is-lib.js

246 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 66% of them (25 requests) were addressed to the original Is.bivs.cz, 8% (3 requests) were made to Google-analytics.com and 5% (2 requests) were made to C.imedia.cz. The less responsive or slowest element that took the longest time to load (499 ms) belongs to the original domain Is.bivs.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.8 kB (50%)

Content Size

304.0 kB

After Optimization

153.3 kB

In fact, the total size of Is.bivs.cz main page is 304.0 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. 20% of websites need less resources to load. Javascripts take 150.4 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 4.5 kB

  • Original 7.0 kB
  • After minification 6.6 kB
  • After compression 2.6 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 4.5 kB or 64% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

  • Original 84.4 kB
  • After minification 83.3 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. Is Bivs images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 94.3 kB

  • Original 150.4 kB
  • After minification 149.7 kB
  • After compression 56.1 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 94.3 kB or 63% of the original size.

CSS Optimization

-82%

Potential reduce by 50.9 kB

  • Original 62.2 kB
  • After minification 46.1 kB
  • After compression 11.3 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. Is.bivs.cz needs all CSS files to be minified and compressed as it can save up to 50.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (67%)

Requests Now

36

After Optimization

12

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Is Bivs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

is.bivs.cz SEO score

0

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Is.bivs.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Is.bivs.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

Open Graph description is not detected on the main page of Is Bivs. 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: