Tools & Wizards About Us
ivarcs.cz screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ivarcs.cz

Hlavní stránka | IVAR CS : komponenty pro vodu, vytápění a plyn

Page Load Speed

4.7 sec in total

First Response

335 ms

Resources Loaded

3.3 sec

Page Rendered

1.1 sec

ivarcs.cz screenshot

About Website

Visit ivarcs.cz now to see the best up-to-date IVAR CS content for Czech Republic and also check out these interesting facts you probably never knew about ivarcs.cz

IVAR CS : komponenty pro vodu, vytápění a plyn

Visit ivarcs.cz

Key Findings

We analyzed Ivarcs.cz page load time and found that the first response time was 335 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ivarcs.cz performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.212

58/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

ivarcs.cz

335 ms

ivarcs.cz

401 ms

www.ivarcs.cz

1194 ms

searchready.bundle.js

1353 ms

ivar_cs-logo.svg

125 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 92% of them (24 requests) were addressed to the original Ivarcs.cz, 4% (1 request) were made to Ivarcs.searchready.cz and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Ivarcs.searchready.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 648.0 kB (40%)

Content Size

1.6 MB

After Optimization

976.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ivarcs.cz main page is 1.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 734.3 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 238.0 kB

  • Original 331.5 kB
  • After minification 327.6 kB
  • After compression 93.5 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 238.0 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 734.3 kB
  • After minification 734.3 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. IVAR CS images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 410.0 kB

  • Original 559.0 kB
  • After minification 559.0 kB
  • After compression 148.9 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 410.0 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

  • Images
  • JavaScript

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IVAR CS. According to our analytics all requests are already optimized.

Network Requests Diagram

ivarcs.cz

ivarcs.cz

335 ms

ivarcs.cz

ivarcs.cz

401 ms

www.ivarcs.cz

www.ivarcs.cz

1194 ms

searchready.bundle.js

searchready.bundle.js

1353 ms

ivar_cs-logo.svg

ivar_cs-logo.svg

125 ms

1-ivartrio.jpg

1-ivartrio.jpg

297 ms

gtm.js

gtm.js

69 ms

2-heating.jpg

2-heating.jpg

451 ms

3-pumping.jpg

3-pumping.jpg

668 ms

4-filtering.jpg

4-filtering.jpg

479 ms

3b7ae7ee-ead6-4de0-8fe4-d36e2f80d66f_image_ngpanel.jpeg

3b7ae7ee-ead6-4de0-8fe4-d36e2f80d66f_image_ngpanel.jpeg

321 ms

f2f0f455-4ad0-46b7-a2a3-ba72912f8602_image_thermia-dotace-text2.jpeg

f2f0f455-4ad0-46b7-a2a3-ba72912f8602_image_thermia-dotace-text2.jpeg

411 ms

cf847cad-8d13-4b25-b2c7-be1d6a0ee1b9_image_innova-2-0-h.jpeg

cf847cad-8d13-4b25-b2c7-be1d6a0ee1b9_image_innova-2-0-h.jpeg

383 ms

64968360-9b97-4520-bc8d-1dab7c4e4d2d_image_genix-dab.jpeg

64968360-9b97-4520-bc8d-1dab7c4e4d2d_image_genix-dab.jpeg

434 ms

3d895a08-734a-46f7-a1e9-239673e7c991_image_tit-img-high-esybox-mini3-multiinverter-installation-big.png

3d895a08-734a-46f7-a1e9-239673e7c991_image_tit-img-high-esybox-mini3-multiinverter-installation-big.png

588 ms

9bebbc15-ecd6-4598-a9d9-fff819f336ff_image_xt-tit.jpeg

9bebbc15-ecd6-4598-a9d9-fff819f336ff_image_xt-tit.jpeg

521 ms

bg.jpg

bg.jpg

533 ms

3fe7a4b1-d42f-4b34-b1fe-415f0671f802_image_akce-filtrace-2024.jpeg

3fe7a4b1-d42f-4b34-b1fe-415f0671f802_image_akce-filtrace-2024.jpeg

558 ms

650c342d-ae30-4400-a952-3462239d1d08_image_akce-studena-voda-dab-2024.jpeg

650c342d-ae30-4400-a952-3462239d1d08_image_akce-studena-voda-dab-2024.jpeg

680 ms

3f644c56-222b-4283-81a3-5e01cf2188ee_image_akce-tepelna-technika-2024.jpeg

3f644c56-222b-4283-81a3-5e01cf2188ee_image_akce-tepelna-technika-2024.jpeg

633 ms

banner_cs.jpg

banner_cs.jpg

739 ms

500.woff

500.woff

656 ms

400.woff

400.woff

685 ms

300.woff

300.woff

732 ms

600.woff

600.woff

759 ms

700.woff

700.woff

766 ms

Accessibility Review

ivarcs.cz accessibility score

97

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.

Best Practices

ivarcs.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ivarcs.cz SEO score

100

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

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 Ivarcs.cz 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 Ivarcs.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

ivarcs.cz

Open Graph data is detected on the main page of IVAR CS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: