Tools & Wizards About Us
sipcz.net screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    59% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

sipcz.net

MIKROTECH ITSP VoIP operátor - levné volání přes internet

Page Load Speed

2.7 sec in total

First Response

363 ms

Resources Loaded

2 sec

Page Rendered

405 ms

sipcz.net screenshot

About Website

Click here to check amazing Sipcz content for Czech Republic. Otherwise, check out these important facts you probably never knew about sipcz.net

VoIP operátor Mikrotech nabízí nejlevnější internetové volání, sekundovou tarifikaci a značková VoIP zařízení. Využijte nabídku hlasových služeb pro domácnosti, úřady, státní instituce, školy, firmy. ...

Visit sipcz.net

Key Findings

We analyzed Sipcz.net page load time and found that the first response time was 363 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sipcz.net performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.368

29/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

sipcz.net

363 ms

www.mikrotech.cz

355 ms

analytics.js

9 ms

style.css

113 ms

thickbox.css

225 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sipcz.net, 76% (56 requests) were made to Mikrotech.cz and 9% (7 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (758 ms) relates to the external source Mikrotech.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.5 kB (35%)

Content Size

471.3 kB

After Optimization

307.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sipcz.net main page is 471.3 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 242.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 26.1 kB

  • Original 37.9 kB
  • After minification 35.0 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 26.1 kB or 69% of the original size.

Image Optimization

-9%

Potential reduce by 13.3 kB

  • Original 148.7 kB
  • After minification 135.5 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. Sipcz images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 92.5 kB

  • Original 242.2 kB
  • After minification 228.0 kB
  • After compression 149.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 92.5 kB or 38% of the original size.

CSS Optimization

-74%

Potential reduce by 31.6 kB

  • Original 42.4 kB
  • After minification 36.2 kB
  • After compression 10.8 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. Sipcz.net needs all CSS files to be minified and compressed as it can save up to 31.6 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (57%)

Requests Now

72

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sipcz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sipcz.net

sipcz.net

363 ms

www.mikrotech.cz

www.mikrotech.cz

355 ms

analytics.js

analytics.js

9 ms

style.css

style.css

113 ms

thickbox.css

thickbox.css

225 ms

jquery.js

jquery.js

338 ms

thickbox.js

thickbox.js

223 ms

jquery.accessible-news-slider.css

jquery.accessible-news-slider.css

227 ms

jquery.accessible-news-slider.js

jquery.accessible-news-slider.js

225 ms

element.js

element.js

36 ms

collect

collect

13 ms

bg-body.jpg

bg-body.jpg

440 ms

1-1.gif

1-1.gif

137 ms

mapa2.gif

mapa2.gif

231 ms

i-twitter.png

i-twitter.png

137 ms

i-facebook.gif

i-facebook.gif

139 ms

i-heureka.gif

i-heureka.gif

139 ms

bg-top.gif

bg-top.gif

220 ms

i-home.gif

i-home.gif

220 ms

separator.gif

separator.gif

220 ms

i-mail.gif

i-mail.gif

220 ms

i-map.gif

i-map.gif

342 ms

i-new.gif

i-new.gif

341 ms

i-login.gif

i-login.gif

343 ms

b-black-l.gif

b-black-l.gif

343 ms

logo.jpg

logo.jpg

449 ms

bg-menu.gif

bg-menu.gif

449 ms

bp-point.gif

bp-point.gif

448 ms

bg-menu-item.gif

bg-menu-item.gif

449 ms

b-shadow-bottom.gif

b-shadow-bottom.gif

450 ms

server.php

server.php

638 ms

translateelement.css

translateelement.css

70 ms

main.js

main.js

107 ms

dot.asp

dot.asp

246 ms

picture1.jpg

picture1.jpg

445 ms

bg-gray.jpg

bg-gray.jpg

453 ms

b-black-r.gif

b-black-r.gif

454 ms

ten-point.gif

ten-point.gif

455 ms

ten-point-number.gif

ten-point-number.gif

455 ms

b-shadow.gif

b-shadow.gif

455 ms

b-corner.gif

b-corner.gif

554 ms

b-black-ring.gif

b-black-ring.gif

571 ms

b-gray-l.gif

b-gray-l.gif

569 ms

b-gray-r.gif

b-gray-r.gif

570 ms

b-blue-ring.gif

b-blue-ring.gif

569 ms

b-blue-l.gif

b-blue-l.gif

570 ms

b-blue-r.gif

b-blue-r.gif

663 ms

b-green-ring.gif

b-green-ring.gif

674 ms

b-green-l.gif

b-green-l.gif

675 ms

b-green-r.gif

b-green-r.gif

675 ms

b-red-ring.gif

b-red-ring.gif

676 ms

ga.js

ga.js

15 ms

b-red-l.gif

b-red-l.gif

649 ms

b-red-r.gif

b-red-r.gif

744 ms

b-yellow-ring.gif

b-yellow-ring.gif

758 ms

b-yellow-l.gif

b-yellow-l.gif

757 ms

element_main.js

element_main.js

39 ms

__utm.gif

__utm.gif

14 ms

translate_24dp.png

translate_24dp.png

22 ms

l

l

43 ms

googlelogo_color_42x16dp.png

googlelogo_color_42x16dp.png

14 ms

b-yellow-r.gif

b-yellow-r.gif

664 ms

bg-li.gif

bg-li.gif

666 ms

loadingAnimation.gif

loadingAnimation.gif

665 ms

googlelogo_color_68x28dp.png

googlelogo_color_68x28dp.png

5 ms

cleardot.gif

cleardot.gif

35 ms

te_ctrl3.gif

te_ctrl3.gif

11 ms

loading.gif

loading.gif

20 ms

te_bk.gif

te_bk.gif

13 ms

jsbox.js

jsbox.js

115 ms

jsglobal.js

jsglobal.js

234 ms

jstrack.js

jstrack.js

231 ms

style.css

style.css

234 ms

style.css

style.css

182 ms

Accessibility Review

sipcz.net accessibility score

69

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Form elements do not have associated labels

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

sipcz.net best practices score

58

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

Browser errors were logged to the console

SEO Factors

sipcz.net SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sipcz.net 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 Sipcz.net 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

sipcz.net

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