Tools & Wizards About Us
scinet.cz screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

scinet.cz

Scinet.cz - Magazín ze světa vědy, IT a telekomunikací

Page Load Speed

6 sec in total

First Response

712 ms

Resources Loaded

4.9 sec

Page Rendered

367 ms

scinet.cz screenshot

About Website

Click here to check amazing Scinet content. Otherwise, check out these important facts you probably never knew about scinet.cz

Magazín ze světa vědy, IT a telekomunikací. Nové události, články, názory, kauzy. Připojení k internetu, nabídky služeb, návody, tipy a triky, diskusní fórum...

Visit scinet.cz

Key Findings

We analyzed Scinet.cz page load time and found that the first response time was 712 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

scinet.cz performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

www.scinet.cz

712 ms

style.css

204 ms

plusone.js

31 ms

front_end_style.css

216 ms

dashicons.min.css

308 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 84% of them (48 requests) were addressed to the original Scinet.cz, 4% (2 requests) were made to Apis.google.com and 4% (2 requests) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (712 ms) belongs to the original domain Scinet.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.0 kB (16%)

Content Size

279.3 kB

After Optimization

234.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scinet.cz main page is 279.3 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 163.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 40.3 kB

  • Original 52.8 kB
  • After minification 51.5 kB
  • After compression 12.5 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 40.3 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 2.8 kB

  • Original 29.0 kB
  • After minification 26.2 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. Scinet images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 935 B

  • Original 163.7 kB
  • After minification 163.6 kB
  • After compression 162.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 1.1 kB

  • Original 33.8 kB
  • After minification 33.8 kB
  • After compression 32.8 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. Scinet.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (48%)

Requests Now

54

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scinet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.scinet.cz

www.scinet.cz

712 ms

style.css

style.css

204 ms

plusone.js

plusone.js

31 ms

front_end_style.css

front_end_style.css

216 ms

dashicons.min.css

dashicons.min.css

308 ms

desktop_style.css

desktop_style.css

217 ms

styles.css

styles.css

218 ms

polls-css.css

polls-css.css

219 ms

wp-about-author.css

wp-about-author.css

306 ms

jquery.js

jquery.js

410 ms

jquery-migrate.min.js

jquery-migrate.min.js

308 ms

checkclicks.js

checkclicks.js

309 ms

updateclicks.js

updateclicks.js

310 ms

check_min.js

check_min.js

429 ms

shutter-reloaded.css

shutter-reloaded.css

407 ms

shutter-reloaded.js

shutter-reloaded.js

439 ms

jquery.sticky.js

jquery.sticky.js

440 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

7 ms

btn_donateCC_LG.gif

btn_donateCC_LG.gif

27 ms

twitter-c.png

twitter-c.png

51 ms

pixel.gif

pixel.gif

28 ms

pozadi2.jpg

pozadi2.jpg

105 ms

logo3.png

logo3.png

104 ms

twitter_pruhledny.png

twitter_pruhledny.png

104 ms

magnify.gif

magnify.gif

105 ms

headline.png

headline.png

104 ms

timthumb.php

timthumb.php

108 ms

featured.png

featured.png

205 ms

timthumb.php

timthumb.php

207 ms

timthumb.php

timthumb.php

220 ms

timthumb.php

timthumb.php

216 ms

timthumb.php

timthumb.php

212 ms

category.png

category.png

210 ms

timthumb.php

timthumb.php

310 ms

timthumb.php

timthumb.php

311 ms

timthumb.php

timthumb.php

316 ms

timthumb.php

timthumb.php

317 ms

timthumb.php

timthumb.php

318 ms

timthumb.php

timthumb.php

323 ms

timthumb.php

timthumb.php

414 ms

timthumb.php

timthumb.php

415 ms

script.js

script.js

493 ms

script-ssp.js

script-ssp.js

692 ms

navbar2.png

navbar2.png

105 ms

close.gif

close.gif

105 ms

prev.gif

prev.gif

103 ms

prev-d.gif

prev-d.gif

104 ms

next.gif

next.gif

105 ms

next-d.gif

next-d.gif

104 ms

resize1.gif

resize1.gif

154 ms

resize2.gif

resize2.gif

205 ms

resize-d.gif

resize-d.gif

206 ms

loading.gif

loading.gif

207 ms

bottombar.png

bottombar.png

208 ms

piwik.js

piwik.js

333 ms

admin-ajax.php

admin-ajax.php

477 ms

piwik.js

piwik.js

478 ms

Accessibility Review

scinet.cz accessibility score

80

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

<input type="image"> elements do not have [alt] text

Best Practices

scinet.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

scinet.cz SEO score

79

Search Engine Optimization Advices

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 Scinet.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 Scinet.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

scinet.cz

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