Tools & Wizards About Us
slevici.cz screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

slevici.cz

Slevy, dovolená, slevové kupóny, slevy dnes nejen pro Zlínsko | Slevíci.cz

Page Load Speed

4.2 sec in total

First Response

384 ms

Resources Loaded

3.6 sec

Page Rendered

171 ms

slevici.cz screenshot

About Website

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

Chytře na slevy! Slevíci, Slevík, slevový portál Zlín, denní slevy, sushi zlín, kino, divadlo, hokej zlín, aquapark, restaurace, slevy Zlín, Uherské Hradiště, Kroměříž, Zlínský kraj, BLUE 88

Visit slevici.cz

Key Findings

We analyzed Slevici.cz page load time and found that the first response time was 384 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

slevici.cz performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value780 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.098

90/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

slevici.cz

384 ms

www.slevici.cz

388 ms

www.slevici.cz

718 ms

classic-pack-compressed.css

376 ms

custom.css

297 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 67% of them (73 requests) were addressed to the original Slevici.cz, 11% (12 requests) were made to Embed.tawk.to and 5% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (910 ms) belongs to the original domain Slevici.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 491.7 kB (27%)

Content Size

1.8 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slevici.cz main page is 1.8 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. 65% of websites need less resources to load. Images take 963.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 56.1 kB

  • Original 70.7 kB
  • After minification 63.7 kB
  • After compression 14.6 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 56.1 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 35.8 kB

  • Original 963.7 kB
  • After minification 927.9 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. Slevici images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 333.0 kB

  • Original 697.1 kB
  • After minification 697.1 kB
  • After compression 364.1 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 333.0 kB or 48% of the original size.

CSS Optimization

-81%

Potential reduce by 66.8 kB

  • Original 83.0 kB
  • After minification 82.9 kB
  • After compression 16.2 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. Slevici.cz needs all CSS files to be minified and compressed as it can save up to 66.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (51%)

Requests Now

99

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slevici. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

slevici.cz

slevici.cz

384 ms

www.slevici.cz

www.slevici.cz

388 ms

www.slevici.cz

www.slevici.cz

718 ms

classic-pack-compressed.css

classic-pack-compressed.css

376 ms

custom.css

custom.css

297 ms

css

css

34 ms

rede.css

rede.css

297 ms

cookieconsent.js

cookieconsent.js

578 ms

scripts-compressed.js

scripts-compressed.js

581 ms

loader.js

loader.js

412 ms

js

js

69 ms

conversion.js

conversion.js

93 ms

retargeting.js

retargeting.js

740 ms

ga.js

ga.js

148 ms

fbevents.js

fbevents.js

92 ms

input-error.png

input-error.png

187 ms

input-valid.png

input-valid.png

187 ms

logohp.svg

logohp.svg

185 ms

slevik-comment2.png

slevik-comment2.png

187 ms

slide.png

slide.png

180 ms

cross.svg

cross.svg

145 ms

slevici_logo_napis_bile.png

slevici_logo_napis_bile.png

258 ms

button-odber.png

button-odber.png

339 ms

peples.png

peples.png

339 ms

0-10000.jpg

0-10000.jpg

468 ms

timer.png

timer.png

338 ms

star_90.png

star_90.png

339 ms

button-koupit-2.png

button-koupit-2.png

344 ms

0-9992.jpg

0-9992.jpg

436 ms

0-9992.jpg

0-9992.jpg

620 ms

0-10003.jpg

0-10003.jpg

433 ms

0-10003.jpg

0-10003.jpg

433 ms

0-10004.jpg

0-10004.jpg

433 ms

0-10004.jpg

0-10004.jpg

529 ms

0-9940.jpg

0-9940.jpg

532 ms

0-9940.jpg

0-9940.jpg

627 ms

0-9844.jpg

0-9844.jpg

532 ms

0-9844.jpg

0-9844.jpg

684 ms

0-9980.jpg

0-9980.jpg

625 ms

0-9980.jpg

0-9980.jpg

626 ms

0-9970.jpg

0-9970.jpg

626 ms

0-9970.jpg

0-9970.jpg

713 ms

0-9840.jpg

0-9840.jpg

720 ms

0-9840.jpg

0-9840.jpg

724 ms

0-9995.jpg

0-9995.jpg

726 ms

0-9995.jpg

0-9995.jpg

722 ms

0-9972.jpg

0-9972.jpg

748 ms

0-9972.jpg

0-9972.jpg

814 ms

0-9810.jpg

0-9810.jpg

815 ms

0-9810.jpg

0-9810.jpg

910 ms

0-9971.jpg

0-9971.jpg

785 ms

js

js

121 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

138 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

142 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

155 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

180 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

184 ms

like.php

like.php

253 ms

96 ms

1fklof6s7

1fklof6s7

264 ms

__utm.gif

__utm.gif

54 ms

0-9971.jpg

0-9971.jpg

647 ms

slevikvpravo.png

slevikvpravo.png

666 ms

select-closed.png

select-closed.png

722 ms

lista-1_new.png

lista-1_new.png

728 ms

lista-22.png

lista-22.png

735 ms

lista-3_new.png

lista-3_new.png

736 ms

js

js

63 ms

analytics.js

analytics.js

23 ms

collect

collect

67 ms

lista-4_new.png

lista-4_new.png

684 ms

83 ms

ga-audiences

ga-audiences

22 ms

fy_wU0FBvkG.js

fy_wU0FBvkG.js

22 ms

FEppCFCt76d.png

FEppCFCt76d.png

32 ms

blue_inactive.png

blue_inactive.png

663 ms

facebook_off.png

facebook_off.png

669 ms

twitter_off.png

twitter_off.png

670 ms

gplusicon.png

gplusicon.png

672 ms

youtube_off.png

youtube_off.png

672 ms

insta_off.png

insta_off.png

602 ms

up.png

up.png

661 ms

subscribe-corner.png

subscribe-corner.png

667 ms

shadow-top.png

shadow-top.png

666 ms

discount.png

discount.png

640 ms

emphansized.png

emphansized.png

580 ms

dotted-v.png

dotted-v.png

596 ms

discount-number.png

discount-number.png

659 ms

new_arrow.png

new_arrow.png

577 ms

price-arrow.png

price-arrow.png

571 ms

discounts.png

discounts.png

575 ms

price_button.png

price_button.png

575 ms

back-advanced.png

back-advanced.png

595 ms

ecmtr-2.4.2.js

ecmtr-2.4.2.js

29 ms

dotted-h.png

dotted-h.png

602 ms

button-prev.png

button-prev.png

575 ms

button-next.png

button-next.png

569 ms

print-compressed.css

print-compressed.css

95 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

206 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

207 ms

twk-event-polyfill.js

twk-event-polyfill.js

66 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

87 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

61 ms

twk-main.js

twk-main.js

59 ms

twk-vendor.js

twk-vendor.js

151 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

193 ms

twk-chunk-common.js

twk-chunk-common.js

204 ms

twk-runtime.js

twk-runtime.js

139 ms

twk-app.js

twk-app.js

189 ms

Accessibility Review

slevici.cz accessibility score

75

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

High

[id] attributes on active, focusable elements are not unique

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

Best Practices

slevici.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

slevici.cz SEO score

85

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

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 Slevici.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 Slevici.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

slevici.cz

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