Tools & Wizards About Us
euroalarm.cz screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

euroalarm.cz

Zabezpe?ovac? technika | Kamerov? syst?my | Po??rn? signalizace | P??stupov? syst?my

Page Load Speed

4.7 sec in total

First Response

365 ms

Resources Loaded

4 sec

Page Rendered

315 ms

euroalarm.cz screenshot

About Website

Click here to check amazing Euroalarm content for Czech Republic. Otherwise, check out these important facts you probably never knew about euroalarm.cz

Dom?, TBS-000-0001, TBS-057-LEM-WM, TBS-057-STD-WM, TBS-040-STD-WM-TH, TBS-040-STD-WM-NC, JB-151TH, JB-111TH-AN, JB-151TH-AN - Zabezpe?ovac? technika od firem Satel, Optex, Bosch, Visonic, HikVision, ...

Visit euroalarm.cz

Key Findings

We analyzed Euroalarm.cz page load time and found that the first response time was 365 ms and then it took 4.4 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

euroalarm.cz performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value4,040 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.451

20/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

euroalarm.cz

365 ms

www.euroalarm.cz

730 ms

index.css.php

230 ms

css

35 ms

sys.php

248 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 73% of them (127 requests) were addressed to the original Euroalarm.cz, 20% (35 requests) were made to Google-analytics.com and 2% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Euroalarm.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (63%)

Content Size

3.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Euroalarm.cz main page is 3.2 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. 70% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 373.4 kB

  • Original 417.5 kB
  • After minification 400.9 kB
  • After compression 44.1 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 373.4 kB or 89% of the original size.

Image Optimization

-60%

Potential reduce by 1.3 MB

  • Original 2.1 MB
  • After minification 837.7 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, Euroalarm needs image optimization as it can save up to 1.3 MB or 60% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-36%

Potential reduce by 132.2 kB

  • Original 365.2 kB
  • After minification 365.1 kB
  • After compression 233.0 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 132.2 kB or 36% of the original size.

CSS Optimization

-82%

Potential reduce by 261.5 kB

  • Original 317.3 kB
  • After minification 311.9 kB
  • After compression 55.8 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. Euroalarm.cz needs all CSS files to be minified and compressed as it can save up to 261.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 81 (49%)

Requests Now

167

After Optimization

86

  • Images
  • JavaScript
  • CSS

The browser has sent 167 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Euroalarm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

euroalarm.cz

euroalarm.cz

365 ms

www.euroalarm.cz

www.euroalarm.cz

730 ms

index.css.php

index.css.php

230 ms

css

css

35 ms

sys.php

sys.php

248 ms

sys.php

sys.php

250 ms

sys.php

sys.php

251 ms

sys.php

sys.php

340 ms

sys.php

sys.php

266 ms

sys.php

sys.php

307 ms

sys.php

sys.php

324 ms

sys.php

sys.php

330 ms

sys.php

sys.php

332 ms

sys.php

sys.php

374 ms

sys.php

sys.php

411 ms

sys.php

sys.php

404 ms

sys.php

sys.php

412 ms

sys.php

sys.php

374 ms

sys.php

sys.php

375 ms

sys.php

sys.php

412 ms

sys.php

sys.php

433 ms

sys.php

sys.php

436 ms

sys.php

sys.php

697 ms

sys.php

sys.php

698 ms

sys.php

sys.php

707 ms

sys.php

sys.php

708 ms

sys.php

sys.php

711 ms

sys.php

sys.php

713 ms

sys.php

sys.php

739 ms

sys.php

sys.php

737 ms

bootstrap.min.js

bootstrap.min.js

737 ms

jquery.number.min.js

jquery.number.min.js

736 ms

nouislider.min.js

nouislider.min.js

739 ms

jquery.nicescroll.min.js

jquery.nicescroll.min.js

737 ms

bootstrap-multiselect.js

bootstrap-multiselect.js

1001 ms

jquery.slick.js

jquery.slick.js

1009 ms

twig.min.js

twig.min.js

1026 ms

maximize-select2-height.min.js

maximize-select2-height.min.js

1012 ms

page_all.js

page_all.js

1012 ms

page_home.js

page_home.js

839 ms

gtm.js

gtm.js

89 ms

sprite-arrows-menu.svg

sprite-arrows-menu.svg

673 ms

logo-2020.svg

logo-2020.svg

672 ms

ico-search.svg

ico-search.svg

670 ms

ico-login.svg

ico-login.svg

680 ms

ico-cart.svg

ico-cart.svg

679 ms

165-ALARM-promo.png

165-ALARM-promo.png

1311 ms

BCS-power_slider.jpg

BCS-power_slider.jpg

1247 ms

sales2312.jpg

sales2312.jpg

1010 ms

ColorVu_kamery_s_hybridnim_prisvitem-slider.png

ColorVu_kamery_s_hybridnim_prisvitem-slider.png

1355 ms

160-Lokalni_SHZ_WEB.png

160-Lokalni_SHZ_WEB.png

1086 ms

158-Hori_ma_panenko_II_WEB.png

158-Hori_ma_panenko_II_WEB.png

1092 ms

147-Tablo_NSC_web.png

147-Tablo_NSC_web.png

1187 ms

art200.png

art200.png

1255 ms

asw-200.png

asw-200.png

1339 ms

4iCs6KVjbNBYlgoKcQ7znU6AFw.ttf

4iCs6KVjbNBYlgoKcQ7znU6AFw.ttf

60 ms

4iCv6KVjbNBYlgoCjC3jvmyIPYZvgw.ttf

4iCv6KVjbNBYlgoCjC3jvmyIPYZvgw.ttf

336 ms

4iCv6KVjbNBYlgoC1CzjvmyIPYZvgw.ttf

4iCv6KVjbNBYlgoC1CzjvmyIPYZvgw.ttf

364 ms

4iCv6KVjbNBYlgoCxCvjvmyIPYZvgw.ttf

4iCv6KVjbNBYlgoCxCvjvmyIPYZvgw.ttf

336 ms

120-Firebeam_BLUE_2_web.png

120-Firebeam_BLUE_2_web.png

1354 ms

crosser-pzts.jpg

crosser-pzts.jpg

1293 ms

crosser-cctv.jpg

crosser-cctv.jpg

1292 ms

crosser-eps.jpg

crosser-eps.jpg

1265 ms

99361a40.js

99361a40.js

1162 ms

analytics.js

analytics.js

251 ms

destination

destination

124 ms

landing

landing

331 ms

js

js

109 ms

loader.js

loader.js

641 ms

208724.jpg

208724.jpg

1090 ms

208800.jpg

208800.jpg

1108 ms

209081.jpg

209081.jpg

1101 ms

101401.jpg

101401.jpg

1113 ms

109288.jpg

109288.jpg

1112 ms

109330.jpg

109330.jpg

1117 ms

100138.jpg

100138.jpg

1156 ms

106848.jpg

106848.jpg

1174 ms

109038.jpg

109038.jpg

1179 ms

109335.jpg

109335.jpg

1182 ms

104876.jpg

104876.jpg

1183 ms

108037.jpg

108037.jpg

1162 ms

ec.js

ec.js

11 ms

collect

collect

362 ms

collect

collect

371 ms

collect

collect

370 ms

collect

collect

366 ms

collect

collect

369 ms

collect

collect

368 ms

collect

collect

364 ms

collect

collect

371 ms

collect

collect

373 ms

collect

collect

375 ms

collect

collect

375 ms

collect

collect

371 ms

collect

collect

375 ms

collect

collect

376 ms

collect

collect

378 ms

collect

collect

377 ms

collect

collect

380 ms

collect

collect

378 ms

collect

collect

381 ms

collect

collect

381 ms

collect

collect

384 ms

collect

collect

383 ms

collect

collect

382 ms

collect

collect

385 ms

collect

collect

384 ms

collect

collect

386 ms

collect

collect

388 ms

collect

collect

390 ms

collect

collect

389 ms

collect

collect

390 ms

collect

collect

390 ms

collect

collect

391 ms

collect

collect

392 ms

108990.jpg

108990.jpg

988 ms

109090.jpg

109090.jpg

1004 ms

109091.jpg

109091.jpg

1018 ms

109761.jpg

109761.jpg

1013 ms

109762.jpg

109762.jpg

1011 ms

313375.jpg

313375.jpg

1014 ms

313374.jpg

313374.jpg

1070 ms

313373.jpg

313373.jpg

1099 ms

313372.jpg

313372.jpg

1099 ms

313371.jpg

313371.jpg

1100 ms

313370.jpg

313370.jpg

817 ms

ico-skladove-polozky.svg

ico-skladove-polozky.svg

781 ms

ico-dodavatele.svg

ico-dodavatele.svg

745 ms

ico-novinek-kazdy-mesic.svg

ico-novinek-kazdy-mesic.svg

781 ms

ico-let-na-trhu.svg

ico-let-na-trhu.svg

689 ms

14501737-ALARM-promo-LOGO.png

14501737-ALARM-promo-LOGO.png

634 ms

default.png

default.png

615 ms

logo-ffe.png

logo-ffe.png

589 ms

logo-camsat.png

logo-camsat.png

582 ms

logo-satel.png

logo-satel.png

617 ms

logo-optex.png

logo-optex.png

617 ms

logo-wagner.png

logo-wagner.png

611 ms

logo-klaxon.png

logo-klaxon.png

607 ms

logo-pulsar.png

logo-pulsar.png

608 ms

logo-efg.png

logo-efg.png

588 ms

logo-xtralis.png

logo-xtralis.png

614 ms

logo-menvier.png

logo-menvier.png

609 ms

logo-visonic.png

logo-visonic.png

603 ms

logo-synology.png

logo-synology.png

612 ms

logo-dsc.png

logo-dsc.png

620 ms

logo-asb-bv.png

logo-asb-bv.png

587 ms

logo-smokecloak.png

logo-smokecloak.png

611 ms

logo-techfass.png

logo-techfass.png

605 ms

logo-commax.png

logo-commax.png

595 ms

logo-hikvision.png

logo-hikvision.png

612 ms

logo-jablotron.png

logo-jablotron.png

630 ms

logo-csb.png

logo-csb.png

575 ms

logo-euroalarm.png

logo-euroalarm.png

592 ms

logo-thefirebeam.png

logo-thefirebeam.png

593 ms

logo-integoo.png

logo-integoo.png

593 ms

logo-proline.png

logo-proline.png

602 ms

logo-metel.png

logo-metel.png

634 ms

logo-tamron.png

logo-tamron.png

572 ms

logo-bosch.png

logo-bosch.png

566 ms

mapa-pobocky-euroalarm.png

mapa-pobocky-euroalarm.png

584 ms

loading-mmenu.gif

loading-mmenu.gif

568 ms

ico-arrows-slider.svg

ico-arrows-slider.svg

584 ms

ico-reload.svg

ico-reload.svg

597 ms

ico-news-home.svg

ico-news-home.svg

584 ms

bg-content-wholesale.jpg

bg-content-wholesale.jpg

562 ms

ico-address-footer.svg

ico-address-footer.svg

553 ms

ico-phone-footer.svg

ico-phone-footer.svg

567 ms

ico-email-footer.svg

ico-email-footer.svg

576 ms

ico-fb-footer.svg

ico-fb-footer.svg

575 ms

ico-menu-content.svg

ico-menu-content.svg

577 ms

overlay.png

overlay.png

556 ms

loading.gif

loading.gif

542 ms

controls.png

controls.png

554 ms

Accessibility Review

euroalarm.cz accessibility score

88

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.

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

Links do not have a discernible name

Best Practices

euroalarm.cz best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

euroalarm.cz SEO score

92

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

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

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Euroalarm.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 Euroalarm.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

euroalarm.cz

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