Tools & Wizards About Us
zepter.cz screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

zepter.cz

ZEPTER ČESKÁ REPUBLIKA - oficiální e-shop, ZepterClub e-shop

Page Load Speed

7.8 sec in total

First Response

418 ms

Resources Loaded

5.9 sec

Page Rendered

1.4 sec

zepter.cz screenshot

About Website

Welcome to zepter.cz homepage info - get ready to check ZEPTER best content for Czech Republic right away, or after learning these important things about zepter.cz

Oficiální e-shop Zepter. Oficiální ZepterClub e-shop. Registrace do ZepterClubu. Všechny produkty Zepter na jednom místě. Členové ZepterClubu u nakupují se zvýhodněním od -5 % až do -40 %!

Visit zepter.cz

Key Findings

We analyzed Zepter.cz page load time and found that the first response time was 418 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zepter.cz performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value3,310 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.215

58/100

15%

TTI (Time to Interactive)

Value45.1 s

0/100

10%

Network Requests Diagram

zepter.cz

418 ms

www.zepter.cz

1656 ms

bootstrap.min.css

757 ms

intlTelInput.min.css

558 ms

Screen.min.css

1011 ms

Our browser made a total of 205 requests to load all elements on the main page. We found that 88% of them (180 requests) were addressed to the original Zepter.cz, 3% (6 requests) were made to Fonts.gstatic.com and 2% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Zepter.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (32%)

Content Size

8.4 MB

After Optimization

5.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zepter.cz main page is 8.4 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. Only a small number of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 560.8 kB

  • Original 624.7 kB
  • After minification 572.4 kB
  • After compression 63.9 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 560.8 kB or 90% of the original size.

Image Optimization

-3%

Potential reduce by 135.9 kB

  • Original 5.0 MB
  • After minification 4.9 MB

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. ZEPTER images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 1.2 MB

  • Original 1.9 MB
  • After minification 1.8 MB
  • After compression 681.1 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 1.2 MB or 64% of the original size.

CSS Optimization

-89%

Potential reduce by 785.2 kB

  • Original 885.4 kB
  • After minification 868.0 kB
  • After compression 100.2 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. Zepter.cz needs all CSS files to be minified and compressed as it can save up to 785.2 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 97 (51%)

Requests Now

191

After Optimization

94

  • Images
  • JavaScript
  • CSS

The browser has sent 191 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZEPTER. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 73 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zepter.cz

zepter.cz

418 ms

www.zepter.cz

www.zepter.cz

1656 ms

bootstrap.min.css

bootstrap.min.css

757 ms

intlTelInput.min.css

intlTelInput.min.css

558 ms

Screen.min.css

Screen.min.css

1011 ms

ScreenV2.min.css

ScreenV2.min.css

679 ms

tailwind.css

tailwind.css

571 ms

all.min.css

all.min.css

25 ms

swiper-bundle.min.css

swiper-bundle.min.css

667 ms

swiper-bundle.min.js

swiper-bundle.min.js

672 ms

bootstrap-select.min.css

bootstrap-select.min.css

686 ms

bootstrap-multiselect.min.css

bootstrap-multiselect.min.css

778 ms

tempusdominus-bootstrap-4.min.css

tempusdominus-bootstrap-4.min.css

785 ms

enums.js

enums.js

789 ms

localizer.js

localizer.js

800 ms

settings.js

settings.js

862 ms

intlTelInput.min.js

intlTelInput.min.js

889 ms

search-control.js

search-control.js

898 ms

ProductTile.js

ProductTile.js

799 ms

api.js

api.js

34 ms

Header.js

Header.js

811 ms

TruncateText.js

TruncateText.js

867 ms

CircleImage.js

CircleImage.js

897 ms

ZepterInformationBox.js

ZepterInformationBox.js

929 ms

TopNavigation.js

TopNavigation.js

819 ms

TopNavigation_MainMenu.js

TopNavigation_MainMenu.js

819 ms

TopNavigation_MobileMenu.js

TopNavigation_MobileMenu.js

865 ms

TopNavigation_OptionsMenu.js

TopNavigation_OptionsMenu.js

896 ms

TopNavigation_AdditionalMenu.js

TopNavigation_AdditionalMenu.js

904 ms

TopNavigation_RefInfo.js

TopNavigation_RefInfo.js

911 ms

Home_MainSlider.min.js

Home_MainSlider.min.js

911 ms

Products_Slider.js

Products_Slider.js

702 ms

ProductTile.js

ProductTile.js

649 ms

Newsletter.js

Newsletter.js

669 ms

_Helpers.js

_Helpers.js

685 ms

Observer.js

Observer.js

686 ms

Events.js

Events.js

685 ms

FieldRequiredMark.js

FieldRequiredMark.js

714 ms

SetSameHeight.js

SetSameHeight.js

754 ms

DataStorage.js

DataStorage.js

780 ms

Cookies.js

Cookies.js

793 ms

Modal.js

Modal.js

785 ms

Menu.js

Menu.js

691 ms

Panel.js

Panel.js

716 ms

css2

css2

33 ms

LanguageSelector.js

LanguageSelector.js

742 ms

DropDownSearch.js

DropDownSearch.js

766 ms

CopyTextToClipboard.js

CopyTextToClipboard.js

712 ms

ReferrerInfo.js

ReferrerInfo.js

693 ms

Base64.js

Base64.js

687 ms

BrowserStorage.js

BrowserStorage.js

712 ms

Cookies.js

Cookies.js

731 ms

Modal.js

Modal.js

701 ms

XHR.js

XHR.js

694 ms

jquery-3.3.1.js

jquery-3.3.1.js

799 ms

jquery.unobtrusive-ajax.js

jquery.unobtrusive-ajax.js

682 ms

jquery.validate.js

jquery.validate.js

701 ms

jquery.validate.unobtrusive.js

jquery.validate.unobtrusive.js

670 ms

Logger.js

Logger.js

676 ms

css2

css2

27 ms

flag-icon.css

flag-icon.css

666 ms

popper.min.js

popper.min.js

698 ms

bootstrap.min.js

bootstrap.min.js

720 ms

bootstrap-select.js

bootstrap-select.js

722 ms

bootstrap-multiselect.js

bootstrap-multiselect.js

758 ms

moment-with-locales.min.js

moment-with-locales.min.js

731 ms

tempusdominus-bootstrap-4.min.js

tempusdominus-bootstrap-4.min.js

721 ms

CheckCAPostalCode.js

CheckCAPostalCode.js

714 ms

IsCheckedValidator.js

IsCheckedValidator.js

756 ms

IsExistsEmailValidator.js

IsExistsEmailValidator.js

797 ms

IsExistsPhoneValidator.js

IsExistsPhoneValidator.js

786 ms

IsValidPhoneCL100InviteValidator.js

IsValidPhoneCL100InviteValidator.js

762 ms

Tooltips.js

Tooltips.js

747 ms

ShoppingCart.js

ShoppingCart.js

746 ms

BrowserInfo.js

BrowserInfo.js

744 ms

ProductAddToCart.js

ProductAddToCart.js

762 ms

RemarketingTransfer.js

RemarketingTransfer.js

821 ms

ModalSwitcher.js

ModalSwitcher.js

798 ms

Share.js

Share.js

781 ms

gtm.js

gtm.js

124 ms

recaptcha__en.js

recaptcha__en.js

52 ms

Bizz_Club_Logo.png

Bizz_Club_Logo.png

412 ms

zepter-logo-black.svg

zepter-logo-black.svg

413 ms

login-icon-gray.svg

login-icon-gray.svg

417 ms

successrequest.gif

successrequest.gif

537 ms

call_FILL1_wght400_GRAD0_opsz20.svg

call_FILL1_wght400_GRAD0_opsz20.svg

534 ms

mail_FILL1_wght400_GRAD0_opsz20.svg

mail_FILL1_wght400_GRAD0_opsz20.svg

534 ms

logo-zepter-international.svg

logo-zepter-international.svg

529 ms

search_fill1_wght400_grad0_opsz24-1-.svg

search_fill1_wght400_grad0_opsz24-1-.svg

535 ms

edit_note_fill1_wght400_grad0_opsz24.svg

edit_note_fill1_wght400_grad0_opsz24.svg

532 ms

person_fill1_wght400_grad0_opsz24.svg

person_fill1_wght400_grad0_opsz24.svg

747 ms

shopping_cart_fill1_wght400_grad0_opsz24.svg

shopping_cart_fill1_wght400_grad0_opsz24.svg

744 ms

artmix_pro_logo.png

artmix_pro_logo.png

746 ms

masterpiece-collection.png

masterpiece-collection.png

746 ms

masterpiece-cookart.png

masterpiece-cookart.png

745 ms

mixy.png

mixy.png

747 ms

tableware-collection.png

tableware-collection.png

784 ms

vacsy.png

vacsy.png

785 ms

felix_logo.png

felix_logo.png

777 ms

zepresso-cafe.png

zepresso-cafe.png

776 ms

LatoLatin-Regular.woff

LatoLatin-Regular.woff

753 ms

LatoLatin-Bold.woff

LatoLatin-Bold.woff

860 ms

bioptron_logo_1.png

bioptron_logo_1.png

778 ms

zepter-medical.png

zepter-medical.png

777 ms

oxyspray_logo.png

oxyspray_logo.png

777 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYMZg.ttf

96 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyYMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyYMZg.ttf

143 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYMZg.ttf

188 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fMZg.ttf

188 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZg.ttf

189 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuOKfMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuOKfMZg.ttf

189 ms

hyperlight_eyewear_logo.png

hyperlight_eyewear_logo.png

776 ms

uc.js

uc.js

305 ms

js

js

145 ms

analytics.js

analytics.js

209 ms

destination

destination

206 ms

rc.js

rc.js

878 ms

fbevents.js

fbevents.js

204 ms

therapy_air_ion-logo.png

therapy_air_ion-logo.png

683 ms

myion_logo_1.png

myion_logo_1.png

819 ms

therapy_air_smart-logo_1.png

therapy_air_smart-logo_1.png

772 ms

aqueenapro_logo.png

aqueenapro_logo.png

773 ms

cleansymag_logo.png

cleansymag_logo.png

773 ms

zepter-home-care.png

zepter-home-care.png

774 ms

edelwasser_logo.png

edelwasser_logo.png

749 ms

lotus_logo_1.png

lotus_logo_1.png

777 ms

acrobaz_logo.png

acrobaz_logo.png

709 ms

tuttoluxo_logo.png

tuttoluxo_logo.png

708 ms

quanomed_logo.png

quanomed_logo.png

707 ms

zepter-home-care.png

zepter-home-care.png

708 ms

la-danza.png

la-danza.png

707 ms

luxury_overdose_logo.png

luxury_overdose_logo.png

777 ms

4882230675164373

4882230675164373

90 ms

philip.png

philip.png

670 ms

absolument_parfumeur_logo.png

absolument_parfumeur_logo.png

674 ms

hyperon_logo.png

hyperon_logo.png

675 ms

swisso-logical.png

swisso-logical.png

677 ms

zeptair_logo.png

zeptair_logo.png

688 ms

PhilipZepter_menu_logo.png

PhilipZepter_menu_logo.png

727 ms

LatoLatin-Light.woff

LatoLatin-Light.woff

571 ms

group_fill1_wght400_grad0_opsz20-1-.svg

group_fill1_wght400_grad0_opsz20-1-.svg

597 ms

new_releases_fill0_wght400_grad0_opsz20-golden.svg

new_releases_fill0_wght400_grad0_opsz20-golden.svg

598 ms

stars_fill0_wght300_grad0_opsz20-golden-1-.svg

stars_fill0_wght300_grad0_opsz20-golden-1-.svg

598 ms

diversity_2_fill1_wght400_grad0_opsz20-2-.svg

diversity_2_fill1_wght400_grad0_opsz20-2-.svg

598 ms

fa-brands-400.ttf

fa-brands-400.ttf

139 ms

fa-solid-900.ttf

fa-solid-900.ttf

143 ms

fa-regular-400.ttf

fa-regular-400.ttf

143 ms

public_fill0_wght400_grad0_opsz20.svg

public_fill0_wght400_grad0_opsz20.svg

657 ms

TA_ION_slider_10_years_warranty-desktop-CZ.jpg

TA_ION_slider_10_years_warranty-desktop-CZ.jpg

672 ms

TA_ION_slider_10_years_warranty-mobile-CZ.jpg

TA_ION_slider_10_years_warranty-mobile-CZ.jpg

700 ms

Vacsy_VB-P_slider-desktop-CZ.jpg

Vacsy_VB-P_slider-desktop-CZ.jpg

669 ms

Vacsy_VB-P_slider-mobile-CZ.jpg

Vacsy_VB-P_slider-mobile-CZ.jpg

601 ms

All_Bioptrons_slider-desktop_new-CZ.jpg

All_Bioptrons_slider-desktop_new-CZ.jpg

646 ms

All_Bioptrons_slider-mobile_new-CZ.jpg

All_Bioptrons_slider-mobile_new-CZ.jpg

710 ms

slider_2160x800_Hyperlight_Eyewear-CZ.jpg

slider_2160x800_Hyperlight_Eyewear-CZ.jpg

694 ms

slider_1080x1080_Hyperlight_Eyewear-CZ.jpg

slider_1080x1080_Hyperlight_Eyewear-CZ.jpg

741 ms

Bioptron_logo_60px.png

Bioptron_logo_60px.png

731 ms

ZepterHotels_logo_60px.png

ZepterHotels_logo_60px.png

758 ms

Madlenianum_logo_60px.png

Madlenianum_logo_60px.png

676 ms

ZepterDental_logo_60px.png

ZepterDental_logo_60px.png

684 ms

MedicBooking_logo_60px.png

MedicBooking_logo_60px.png

687 ms

ZepterMedical_logo_60px.png

ZepterMedical_logo_60px.png

712 ms

TAS-2-square

TAS-2-square

750 ms

PAG-960-SET_01

PAG-960-SET_01

719 ms

BL-002_01

BL-002_01

804 ms

PWC-570_01

PWC-570_01

781 ms

PNK-4080_01

PNK-4080_01

802 ms

PWC-670-BLACK_2370

PWC-670-BLACK_2370

815 ms

Z5L-C_01

Z5L-C_01

808 ms

VO-022-K_01

VO-022-K_01

848 ms

NM_HE-TULG_01

NM_HE-TULG_01

846 ms

NM_HE-FLOB_01

NM_HE-FLOB_01

857 ms

NM_HE-BOGH_01

NM_HE-BOGH_01

857 ms

NM_HE-CAPB_01

NM_HE-CAPB_01

865 ms

NM_HE-BERG_01

NM_HE-BERG_01

865 ms

NM_HE-MILG_01

NM_HE-MILG_01

871 ms

NM_HE-LONG_01

NM_HE-LONG_01

873 ms

NM_HE-ROMZ_01

NM_HE-ROMZ_01

855 ms

icon-wireframe-vacsy.png

icon-wireframe-vacsy.png

843 ms

photo-vacsy.png

photo-vacsy.png

851 ms

home-banner-bioptron-logo.png

home-banner-bioptron-logo.png

858 ms

Bioptron_widget-box.jpg

Bioptron_widget-box.jpg

822 ms

Bioptron_widget-landscape.jpg

Bioptron_widget-landscape.jpg

883 ms

home-banner-eyewear-logo.png

home-banner-eyewear-logo.png

856 ms

Banner-Hyperlight-Eyewear-(box).jpg

Banner-Hyperlight-Eyewear-(box).jpg

866 ms

Banner-Hyperlight-Eyewear-(wide).jpg

Banner-Hyperlight-Eyewear-(wide).jpg

845 ms

Therapy-Air-Smart-logo.png

Therapy-Air-Smart-logo.png

847 ms

TA_Smart-widget_mobile-dance.jpg

TA_Smart-widget_mobile-dance.jpg

783 ms

TA_Smart-widget_desktop-dance.jpg

TA_Smart-widget_desktop-dance.jpg

825 ms

luxury_overdose_widgetbanner.jpg

luxury_overdose_widgetbanner.jpg

838 ms

artmix_pro-widget-box.jpg

artmix_pro-widget-box.jpg

839 ms

icon-wireframe-cookware.png

icon-wireframe-cookware.png

815 ms

photo-cookware.png

photo-cookware.png

848 ms

bg-cookware.jpg

bg-cookware.jpg

827 ms

payu.png

payu.png

822 ms

ceska_posta-s.png

ceska_posta-s.png

832 ms

logo-zepter-live-longer.svg

logo-zepter-live-longer.svg

834 ms

noto_shopping-bags.svg

noto_shopping-bags.svg

805 ms

Zepter_logo_h300px.png

Zepter_logo_h300px.png

788 ms

ph_eye-slash.png

ph_eye-slash.png

772 ms

ph_eye.png

ph_eye.png

748 ms

cz.svg

cz.svg

745 ms

landing

landing

98 ms

collect

collect

25 ms

collect

collect

11 ms

Accessibility Review

zepter.cz accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

zepter.cz best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zepter.cz SEO score

81

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zepter.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zepter.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

zepter.cz

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