Tools & Wizards About Us
alivekarta.cz screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

alivekarta.cz

AliveID – Průkaz v ČR pro studenty, absolventy a zaměstnance škol | ISIC.cz

Page Load Speed

9.8 sec in total

First Response

3 sec

Resources Loaded

6.4 sec

Page Rendered

398 ms

alivekarta.cz screenshot

About Website

Visit alivekarta.cz now to see the best up-to-date Alivekarta content and also check out these interesting facts you probably never knew about alivekarta.cz

Elektronický průkaz pro studenty, zaměstnance nebo absolventy v ČR. Slevy, přehledná aplikace a snadná identifikace. Funguje jako čipová karta.

Visit alivekarta.cz

Key Findings

We analyzed Alivekarta.cz page load time and found that the first response time was 3 sec and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

alivekarta.cz performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value4,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.159

73/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

www.alive.cz

3041 ms

wp-emoji-release.min.js

207 ms

prettyPhoto.css

228 ms

discount_search.css

231 ms

font-awesome.min.css

235 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Alivekarta.cz, 4% (4 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Alive.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (32%)

Content Size

5.6 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alivekarta.cz main page is 5.6 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. 70% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 76.4 kB

  • Original 92.2 kB
  • After minification 77.4 kB
  • After compression 15.8 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 14.8 kB, which is 16% 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 76.4 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 288.6 kB

  • Original 3.7 MB
  • After minification 3.4 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. Alivekarta images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 1.1 MB

  • Original 1.4 MB
  • After minification 1.1 MB
  • After compression 304.0 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 1.1 MB or 78% of the original size.

CSS Optimization

-85%

Potential reduce by 372.3 kB

  • Original 440.1 kB
  • After minification 383.7 kB
  • After compression 67.7 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. Alivekarta.cz needs all CSS files to be minified and compressed as it can save up to 372.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (53%)

Requests Now

93

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alivekarta. 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 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.alive.cz

www.alive.cz

3041 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

207 ms

prettyPhoto.css

prettyPhoto.css

228 ms

discount_search.css

discount_search.css

231 ms

font-awesome.min.css

font-awesome.min.css

235 ms

magnific-popup.css

magnific-popup.css

253 ms

prettyPhoto.css

prettyPhoto.css

326 ms

layerslider.css

layerslider.css

323 ms

front.css

front.css

338 ms

settings.css

settings.css

342 ms

bootstrap.min.css

bootstrap.min.css

481 ms

font-awesome.min.css

font-awesome.min.css

367 ms

flexslider.css

flexslider.css

438 ms

prettyPhoto.css

prettyPhoto.css

438 ms

style.css

style.css

451 ms

bootstrap-responsive.min.css

bootstrap-responsive.min.css

455 ms

responsive.css

responsive.css

488 ms

custom-styles.css

custom-styles.css

554 ms

css

css

26 ms

jquery.js

jquery.js

904 ms

jquery-migrate.min.js

jquery-migrate.min.js

563 ms

js

js

27 ms

pixastic.custom.js

pixastic.custom.js

562 ms

jquery_extensions.js

jquery_extensions.js

607 ms

social.js

social.js

711 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

784 ms

prettyPhotoLoader.js

prettyPhotoLoader.js

672 ms

jquery.magnific-popup.js

jquery.magnific-popup.js

899 ms

jquery-ui.js

jquery-ui.js

1430 ms

discount_search.js

discount_search.js

1233 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

945 ms

jquery-easing-1.3.js

jquery-easing-1.3.js

929 ms

jquerytransit.js

jquerytransit.js

1015 ms

layerslider.transitions.js

layerslider.transitions.js

1020 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

1267 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

1296 ms

js

js

46 ms

csl.js

csl.js

1239 ms

picturefill.min.js

picturefill.min.js

1136 ms

js

js

15 ms

ai.js

ai.js

1190 ms

jquery.prettyPhoto.min.js

jquery.prettyPhoto.min.js

1153 ms

comment-reply.min.js

comment-reply.min.js

1143 ms

jquery.adrotate.clicktracker.js

jquery.adrotate.clicktracker.js

1164 ms

jquery.adrotate.responsive.js

jquery.adrotate.responsive.js

1166 ms

front.js

front.js

1177 ms

bootstrap.min.js

bootstrap.min.js

1224 ms

jquery.isotope.min.js

jquery.isotope.min.js

1228 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

1216 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

1209 ms

jquery.theme.js

jquery.theme.js

1219 ms

infobox.js

infobox.js

1148 ms

wild_oliva.png

wild_oliva.png

120 ms

pojisteni_banner_alive.jpg

pojisteni_banner_alive.jpg

270 ms

DFC_banner_skyscraper1.jpg

DFC_banner_skyscraper1.jpg

268 ms

logo_alive.png

logo_alive.png

120 ms

menu_line.png

menu_line.png

263 ms

search_icon.png

search_icon.png

265 ms

header-facr.jpg

header-facr.jpg

362 ms

ALIVE_FACR_2015_1.png

ALIVE_FACR_2015_1.png

459 ms

ALIVE_FACR_2015_2.png

ALIVE_FACR_2015_2.png

587 ms

header-slcr.jpg

header-slcr.jpg

389 ms

SLCR_2015_1.png

SLCR_2015_1.png

595 ms

SLCR_2015_2.png

SLCR_2015_2.png

609 ms

header-acr2.jpg

header-acr2.jpg

1302 ms

ACR_2015_1.png

ACR_2015_1.png

522 ms

ACR_2015_2.png

ACR_2015_2.png

696 ms

header-fisaf.jpg

header-fisaf.jpg

767 ms

karta_fisaf_2.png

karta_fisaf_2.png

821 ms

karta_fisaf_1.png

karta_fisaf_1.png

836 ms

header-academic.jpg

header-academic.jpg

732 ms

ALIVE_3D_back.png

ALIVE_3D_back.png

923 ms

ALIVE_3D_front.png

ALIVE_3D_front.png

971 ms

dfc-logo1.png

dfc-logo1.png

889 ms

Alive_ski_arealy_2016.png

Alive_ski_arealy_2016.png

932 ms

Hervis.png

Hervis.png

955 ms

109392-575-1loga900x500-704x340.jpg

109392-575-1loga900x500-704x340.jpg

1014 ms

900x500-704x340.jpg

900x500-704x340.jpg

1039 ms

DSC4365sm-704x340.jpg

DSC4365sm-704x340.jpg

1170 ms

S%C3%A1zavafest-704x340.jpg

S%C3%A1zavafest-704x340.jpg

1191 ms

Vyprodej_Oakley-704x340.jpg

Vyprodej_Oakley-704x340.jpg

1096 ms

lyzovani_900x500-704x340.jpg

lyzovani_900x500-704x340.jpg

1137 ms

icon_link.png

icon_link.png

1135 ms

icon_preview.png

icon_preview.png

1174 ms

icon_img.png

icon_img.png

1228 ms

ODelI1aHBYDBqgeIAH2zlFzCdIATDt8zXO3QNtzVeJ8.ttf

ODelI1aHBYDBqgeIAH2zlFzCdIATDt8zXO3QNtzVeJ8.ttf

25 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1262 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1263 ms

DXI1ORHCpsQm3Vp6mXoaTdqQynqKV_9Plp7mupa0S4g.ttf

DXI1ORHCpsQm3Vp6mXoaTdqQynqKV_9Plp7mupa0S4g.ttf

24 ms

u-WUoqrET9fUeobQW7jkRaCWcynf_cDxXwCLxiixG1c.ttf

u-WUoqrET9fUeobQW7jkRaCWcynf_cDxXwCLxiixG1c.ttf

25 ms

AWM5wXtMJeRP-AcRTgT4qQ.ttf

AWM5wXtMJeRP-AcRTgT4qQ.ttf

25 ms

dc.js

dc.js

175 ms

bg_70_grey.png

bg_70_grey.png

339 ms

loader.gif

loader.gif

1088 ms

bullet.png

bullet.png

1089 ms

small_left.png

small_left.png

1115 ms

small_right.png

small_right.png

1161 ms

icon_chevron_top.png

icon_chevron_top.png

1159 ms

__utm.gif

__utm.gif

12 ms

bg_70_grey.png

bg_70_grey.png

895 ms

Accessibility Review

alivekarta.cz accessibility score

85

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

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.

Best Practices

alivekarta.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

alivekarta.cz SEO score

89

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

High

Tap targets are not sized appropriately

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 Alivekarta.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 Alivekarta.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

alivekarta.cz

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