Tools & Wizards About Us
sipcz.net screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

sipcz.net

MIKROTECH ITSP VoIP operátor - levné volání přes internet

Page Load Speed

2.6 sec in total

First Response

258 ms

Resources Loaded

2.1 sec

Page Rendered

234 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 258 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sipcz.net performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.368

29/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

sipcz.net

258 ms

www.mikrotech.cz

440 ms

analytics.js

8 ms

style.css

477 ms

thickbox.css

500 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Sipcz.net, 88% (50 requests) were made to Mikrotech.cz and 7% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (645 ms) relates to the external source Mikrotech.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.8 kB (15%)

Content Size

232.4 kB

After Optimization

197.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sipcz.net main page is 232.4 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. 25% of websites need less resources to load. Images take 145.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 15.7 kB

  • Original 22.0 kB
  • After minification 17.9 kB
  • After compression 6.3 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. This page needs HTML code to be minified as it can gain 4.1 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.7 kB or 71% of the original size.

Image Optimization

-11%

Potential reduce by 16.6 kB

  • Original 145.4 kB
  • After minification 128.8 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. Obviously, Sipcz needs image optimization as it can save up to 16.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 1.7 kB

  • Original 59.6 kB
  • After minification 59.6 kB
  • After compression 57.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 794 B

  • Original 5.4 kB
  • After minification 5.4 kB
  • After compression 4.6 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 794 B or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (41%)

Requests Now

54

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 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 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sipcz.net

sipcz.net

258 ms

www.mikrotech.cz

www.mikrotech.cz

440 ms

analytics.js

analytics.js

8 ms

style.css

style.css

477 ms

thickbox.css

thickbox.css

500 ms

jquery.js

jquery.js

610 ms

thickbox.js

thickbox.js

505 ms

jquery.accessible-news-slider.css

jquery.accessible-news-slider.css

506 ms

jquery.accessible-news-slider.js

jquery.accessible-news-slider.js

508 ms

collect

collect

30 ms

js

js

84 ms

bg-body.jpg

bg-body.jpg

332 ms

1-1.gif

1-1.gif

110 ms

mapa2.gif

mapa2.gif

322 ms

i-twitter.png

i-twitter.png

217 ms

i-facebook.gif

i-facebook.gif

218 ms

i-heureka.gif

i-heureka.gif

584 ms

%20bolder;

%20bolder;

10 ms

bg-top.gif

bg-top.gif

109 ms

i-home.gif

i-home.gif

112 ms

separator.gif

separator.gif

109 ms

i-mail.gif

i-mail.gif

110 ms

i-map.gif

i-map.gif

109 ms

i-new.gif

i-new.gif

217 ms

i-login.gif

i-login.gif

217 ms

b-black-l.gif

b-black-l.gif

216 ms

logo.jpg

logo.jpg

322 ms

bg-menu.gif

bg-menu.gif

217 ms

bp-point.gif

bp-point.gif

322 ms

bg-menu-item.gif

bg-menu-item.gif

323 ms

b-shadow-bottom.gif

b-shadow-bottom.gif

323 ms

picture1.jpg

picture1.jpg

432 ms

bg-gray.jpg

bg-gray.jpg

422 ms

b-black-r.gif

b-black-r.gif

428 ms

ten-point.gif

ten-point.gif

429 ms

ten-point-number.gif

ten-point-number.gif

429 ms

b-shadow.gif

b-shadow.gif

430 ms

b-corner.gif

b-corner.gif

531 ms

b-black-ring.gif

b-black-ring.gif

535 ms

b-gray-l.gif

b-gray-l.gif

535 ms

b-gray-r.gif

b-gray-r.gif

536 ms

b-blue-ring.gif

b-blue-ring.gif

537 ms

b-blue-l.gif

b-blue-l.gif

538 ms

b-blue-r.gif

b-blue-r.gif

639 ms

b-green-ring.gif

b-green-ring.gif

641 ms

b-green-l.gif

b-green-l.gif

643 ms

b-green-r.gif

b-green-r.gif

643 ms

b-red-ring.gif

b-red-ring.gif

645 ms

ga.js

ga.js

6 ms

__utm.gif

__utm.gif

13 ms

b-red-l.gif

b-red-l.gif

555 ms

b-red-r.gif

b-red-r.gif

643 ms

b-yellow-ring.gif

b-yellow-ring.gif

642 ms

b-yellow-l.gif

b-yellow-l.gif

643 ms

b-yellow-r.gif

b-yellow-r.gif

643 ms

bg-li.gif

bg-li.gif

645 ms

loadingAnimation.gif

loadingAnimation.gif

110 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: