Tools & Wizards About Us
vanbergsystems.pl screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

vanbergsystems.pl

Centrale telefoniczne i telefonia VoIP dla firm | www.datera.pl

Page Load Speed

4.7 sec in total

First Response

217 ms

Resources Loaded

3.5 sec

Page Rendered

1 sec

vanbergsystems.pl screenshot

About Website

Welcome to vanbergsystems.pl homepage info - get ready to check Vanbergsystems best content right away, or after learning these important things about vanbergsystems.pl

Oferujemy centrale telefoniczne VoIP i telefonią VoIP dla firm: dla swobodnej komunikacji biurowej i skutecznej sprzedaży i obsługi.

Visit vanbergsystems.pl

Key Findings

We analyzed Vanbergsystems.pl page load time and found that the first response time was 217 ms and then it took 4.5 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

vanbergsystems.pl performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value2,170 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.301

39/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

vanbergsystems.pl

217 ms

www.datera.pl

747 ms

glightbox.min.css

30 ms

glightbox.min.js

36 ms

a815k.css

283 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vanbergsystems.pl, 79% (92 requests) were made to Datera.pl and 9% (10 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (920 ms) relates to the external source Datera.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.7 kB (20%)

Content Size

1.0 MB

After Optimization

825.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vanbergsystems.pl main page is 1.0 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. Javascripts take 444.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 155.5 kB

  • Original 221.6 kB
  • After minification 217.0 kB
  • After compression 66.1 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 155.5 kB or 70% of the original size.

Image Optimization

-4%

Potential reduce by 13.5 kB

  • Original 340.2 kB
  • After minification 326.7 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. Vanbergsystems images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 38.0 kB

  • Original 444.2 kB
  • After minification 431.1 kB
  • After compression 406.2 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

-2%

Potential reduce by 568 B

  • Original 27.1 kB
  • After minification 27.1 kB
  • After compression 26.5 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. Vanbergsystems.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 40 (36%)

Requests Now

110

After Optimization

70

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vanbergsystems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vanbergsystems.pl

vanbergsystems.pl

217 ms

www.datera.pl

www.datera.pl

747 ms

glightbox.min.css

glightbox.min.css

30 ms

glightbox.min.js

glightbox.min.js

36 ms

a815k.css

a815k.css

283 ms

css2

css2

52 ms

a815k.css

a815k.css

385 ms

choices.min.css

choices.min.css

34 ms

tippy.css

tippy.css

41 ms

a812q.css

a812q.css

290 ms

jquery.min.js

jquery.min.js

43 ms

gtm.js

gtm.js

75 ms

swiper-bundle.min.css

swiper-bundle.min.css

8 ms

all.min.js

all.min.js

112 ms

vue.min.js

vue.min.js

194 ms

vue-resource.min.js

vue-resource.min.js

257 ms

datera.js

datera.js

257 ms

FcnContactForm.umd.min.js

FcnContactForm.umd.min.js

482 ms

index.js

index.js

324 ms

index.js

index.js

324 ms

ouibounce.min.js

ouibounce.min.js

325 ms

frontend.min.js

frontend.min.js

325 ms

pvb-cf7-calculator.js

pvb-cf7-calculator.js

325 ms

api.js

api.js

41 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

388 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

389 ms

wp-polyfill.min.js

wp-polyfill.min.js

403 ms

index.js

index.js

389 ms

mmenu-light.js

mmenu-light.js

403 ms

jquery.cookie.js

jquery.cookie.js

475 ms

loadingoverlay.js

loadingoverlay.js

478 ms

contactforms.js

contactforms.js

514 ms

vue-media-queries.js

vue-media-queries.js

514 ms

choices.min.js

choices.min.js

11 ms

popper.min.js

popper.min.js

11 ms

tippy.umd.min.js

tippy.umd.min.js

11 ms

main_footer.js

main_footer.js

522 ms

main.js

main.js

585 ms

fcn-oferty.js

fcn-oferty.js

584 ms

resize-sensor.js

resize-sensor.js

583 ms

swiper-bundle.min.js

swiper-bundle.min.js

10 ms

Datera.svg

Datera.svg

423 ms

Call-eX-Cloud-miniatura.svg

Call-eX-Cloud-miniatura.svg

427 ms

Call-eX-Miniatura.svg

Call-eX-Miniatura.svg

431 ms

SIP-Trunk-miniatura15.png

SIP-Trunk-miniatura15.png

462 ms

ikona_numery_telefoniczne_png_4.png

ikona_numery_telefoniczne_png_4.png

465 ms

MENU-Funkcje.svg

MENU-Funkcje.svg

470 ms

ikona_datera_menu_CBW-afphoto.svg

ikona_datera_menu_CBW-afphoto.svg

463 ms

ikona_datera_menu_IVR_top10-afphoto.svg

ikona_datera_menu_IVR_top10-afphoto.svg

467 ms

ikona_datera_menu_SMS-afphoto.svg

ikona_datera_menu_SMS-afphoto.svg

475 ms

ikona_datera-integracje_dla_partnerow-afphoto-2.svg

ikona_datera-integracje_dla_partnerow-afphoto-2.svg

596 ms

ikona_datera-integracje_dla_klientow-afphoto-1.svg

ikona_datera-integracje_dla_klientow-afphoto-1.svg

560 ms

ikona_datera_menu_biuro_call_center-afphoto30.svg

ikona_datera_menu_biuro_call_center-afphoto30.svg

654 ms

ikona_aplikacja_softphone2.4.0.30afphoto.webp

ikona_aplikacja_softphone2.4.0.30afphoto.webp

556 ms

MENU-Zastosowania.svg

MENU-Zastosowania.svg

557 ms

Medyk-MENU.svg

Medyk-MENU.svg

666 ms

Produkcja-MENU.svg

Produkcja-MENU.svg

623 ms

eCommerce-MENU.svg

eCommerce-MENU.svg

708 ms

odznaka-referencje-MENU.svg

odznaka-referencje-MENU.svg

566 ms

Administracja-MENU.svg

Administracja-MENU.svg

568 ms

UslugiB2B_MENU.svg

UslugiB2B_MENU.svg

635 ms

Uslugi_finansowe_1_MENU.svg

Uslugi_finansowe_1_MENU.svg

865 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

23 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

52 ms

KFOkCnqEu92Fr1Mu52xP.ttf

KFOkCnqEu92Fr1Mu52xP.ttf

53 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

1 ms

MENU-Blog.svg

MENU-Blog.svg

628 ms

tlo_ciemne_callex-600x250.jpg

tlo_ciemne_callex-600x250.jpg

586 ms

bitrix24-600x250.jpg

bitrix24-600x250.jpg

586 ms

tlo_blog_srodek-600x250.jpg

tlo_blog_srodek-600x250.jpg

652 ms

Datera_BLOG_awatar.png

Datera_BLOG_awatar.png

652 ms

ikona_www_rotator1-1.svg

ikona_www_rotator1-1.svg

920 ms

ikona_numery_zagraniczne.png

ikona_numery_zagraniczne.png

683 ms

Call-Back-Widget-ilustracja-banner-1000.png

Call-Back-Widget-ilustracja-banner-1000.png

822 ms

recaptcha__en.js

recaptcha__en.js

28 ms

SMS-ilustracja-automatyka.svg

SMS-ilustracja-automatyka.svg

790 ms

Centrale-telefoniczne-pion.svg

Centrale-telefoniczne-pion.svg

639 ms

Telefonia-VoIP-dla-firm_telefon_komputer_smartfon.svg

Telefonia-VoIP-dla-firm_telefon_komputer_smartfon.svg

809 ms

001-Ikona-Datera_dla_telemarketerow_contact_center.svg

001-Ikona-Datera_dla_telemarketerow_contact_center.svg

862 ms

Datera-ikona-zastosowania-duza-firma.svg

Datera-ikona-zastosowania-duza-firma.svg

801 ms

sm.js

sm.js

883 ms

Datera-VoIP_90x90.svg

Datera-VoIP_90x90.svg

758 ms

Datera-ikona-Telefonia_VoIP.svg

Datera-ikona-Telefonia_VoIP.svg

756 ms

014-Datera-SaaS-licencja.svg

014-Datera-SaaS-licencja.svg

756 ms

Datera-wsparcie-techniczne-ikona.svg

Datera-wsparcie-techniczne-ikona.svg

755 ms

mocne_strony.svg

mocne_strony.svg

818 ms

Klient-Logo-6-200x100.png

Klient-Logo-6-200x100.png

720 ms

Bostabeton-klient-logo-200x100.png

Bostabeton-klient-logo-200x100.png

719 ms

Klient-Logo-1-200x100.png

Klient-Logo-1-200x100.png

766 ms

Klient-Logo-Optima.png

Klient-Logo-Optima.png

767 ms

Klient-Logo-Hitachi-200x100.png

Klient-Logo-Hitachi-200x100.png

766 ms

Klient-Logo-CLXC-Tuzdrowie-200x100.png

Klient-Logo-CLXC-Tuzdrowie-200x100.png

764 ms

Klient-Logo-CLXC-TUI-200x100.png

Klient-Logo-CLXC-TUI-200x100.png

685 ms

Klient-Logo-CLXC-Maxon-200x100.png

Klient-Logo-CLXC-Maxon-200x100.png

775 ms

Klient-Logo-CLXC-Hortex-200x100.png

Klient-Logo-CLXC-Hortex-200x100.png

740 ms

Klient-Logo-CLXC-Farmina-200x100.png

Klient-Logo-CLXC-Farmina-200x100.png

680 ms

Klient-Logo-b2b-cencert-eurocert.png

Klient-Logo-b2b-cencert-eurocert.png

658 ms

Logo-optima-medycyna.png

Logo-optima-medycyna.png

661 ms

Klient-Logo-iSprzet.png

Klient-Logo-iSprzet.png

666 ms

logo-pcuz.png

logo-pcuz.png

716 ms

Bostabeton-klient-logo.png

Bostabeton-klient-logo.png

714 ms

Revitum-testimonial.png

Revitum-testimonial.png

679 ms

Klient-Logo-NZOZ-dobrezle.png

Klient-Logo-NZOZ-dobrezle.png

678 ms

STAT-uzytkownicy-abonenci.svg

STAT-uzytkownicy-abonenci.svg

673 ms

STAT-derisk-minuty.svg

STAT-derisk-minuty.svg

677 ms

STAT-wzrost-rozwoj.svg

STAT-wzrost-rozwoj.svg

759 ms

STAT-lata.svg

STAT-lata.svg

682 ms

Aiton_Caldwell_logo-biale-e1450679325254.png

Aiton_Caldwell_logo-biale-e1450679325254.png

681 ms

ebook-popup.png

ebook-popup.png

579 ms

1920x375_datera-tlo-szare.svg

1920x375_datera-tlo-szare.svg

553 ms

datera-tlo-szare-jasne-geometria.svg

datera-tlo-szare-jasne-geometria.svg

445 ms

Datera-tlo-abstrakt.svg

Datera-tlo-abstrakt.svg

528 ms

sm_war.20de86dae41ade6a0ba1.js

sm_war.20de86dae41ade6a0ba1.js

125 ms

vc.json

vc.json

158 ms

vs

vs

228 ms

err.gif

err.gif

353 ms

Accessibility Review

vanbergsystems.pl 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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

Best Practices

vanbergsystems.pl best practices score

83

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

vanbergsystems.pl SEO score

76

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vanbergsystems.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Vanbergsystems.pl 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

vanbergsystems.pl

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