Tools & Wizards About Us
recenze.cz screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

recenze.cz

Recenze hotelů, zemí, lokalit a služeb cestovních kanceláří | Recenze.cz

Page Load Speed

3.6 sec in total

First Response

408 ms

Resources Loaded

2.8 sec

Page Rendered

346 ms

recenze.cz screenshot

About Website

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

Nezávislé hodnocení a recenze hotelů a ubytovacích zařízení, cestopisy, dojmy a zážitky z Vašich cest a zájezdů.

Visit recenze.cz

Key Findings

We analyzed Recenze.cz page load time and found that the first response time was 408 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

recenze.cz performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

recenze.cz

408 ms

www.recenze.cz

675 ms

main.css

99 ms

jquery-ui-1.8.11.custom.css

196 ms

layout.css

288 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 44% of them (29 requests) were addressed to the original Recenze.cz, 17% (11 requests) were made to Static.xx.fbcdn.net and 14% (9 requests) were made to Cz.zimg.cz. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Cz.zimg.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.8 kB (11%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Recenze.cz main page is 1.2 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. 60% of websites need less resources to load. Images take 779.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 44.7 kB

  • Original 55.2 kB
  • After minification 48.6 kB
  • After compression 10.5 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 6.6 kB, which is 12% 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 44.7 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 44.7 kB

  • Original 779.5 kB
  • After minification 734.8 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. Recenze images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 37.6 kB

  • Original 381.2 kB
  • After minification 381.2 kB
  • After compression 343.6 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

-25%

Potential reduce by 5.9 kB

  • Original 23.5 kB
  • After minification 23.5 kB
  • After compression 17.6 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. Recenze.cz needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (56%)

Requests Now

62

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Recenze. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

recenze.cz

recenze.cz

408 ms

www.recenze.cz

www.recenze.cz

675 ms

main.css

main.css

99 ms

jquery-ui-1.8.11.custom.css

jquery-ui-1.8.11.custom.css

196 ms

layout.css

layout.css

288 ms

jqtransform.css

jqtransform.css

287 ms

jquery.min.js

jquery.min.js

29 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

23 ms

jquery-ui.min.js

jquery-ui.min.js

35 ms

jquery.jqtransform.js

jquery.jqtransform.js

287 ms

waitingDialog-0.1

waitingDialog-0.1

316 ms

main

main

316 ms

autocomplete

autocomplete

318 ms

jquery.urldecoder.js

jquery.urldecoder.js

383 ms

referer2.js

referer2.js

691 ms

api.js

api.js

41 ms

home.css

home.css

381 ms

jquery.ui.stars.js

jquery.ui.stars.js

382 ms

ui.stars.css

ui.stars.css

382 ms

print.css

print.css

97 ms

recaptcha__en.js

recaptcha__en.js

56 ms

gtm.js

gtm.js

159 ms

body_05.jpg

body_05.jpg

755 ms

cedok-cms-img-u-hotel-rho2bch_0.jpg

cedok-cms-img-u-hotel-rho2bch_0.jpg

759 ms

logo.png

logo.png

158 ms

star.png

star.png

156 ms

cedok-cms-img-u-hotel-bjv2azu_0.jpg

cedok-cms-img-u-hotel-bjv2azu_0.jpg

856 ms

http-o2-tui-hotels-ayt61220-s18-10853719.jpg

http-o2-tui-hotels-ayt61220-s18-10853719.jpg

953 ms

http-o2-tui-hotels-hrg11027-w1819-10422404.jpg

http-o2-tui-hotels-hrg11027-w1819-10422404.jpg

1043 ms

fotky-exporty-velky-orfeus-armin-foto-18.jpg

fotky-exporty-velky-orfeus-armin-foto-18.jpg

1046 ms

d21e7e99eb52b8a02c665ee31b3c49ec.jpg

d21e7e99eb52b8a02c665ee31b3c49ec.jpg

1043 ms

hotels-egypt-oblast-hurghada-hurghada-ali-baba-palace-resort-270471.jpg

hotels-egypt-oblast-hurghada-hurghada-ali-baba-palace-resort-270471.jpg

1044 ms

http-o2-tui-hotels-her80040-s23-23247192.jpg

http-o2-tui-hotels-her80040-s23-23247192.jpg

1045 ms

etelkatext-bold_0-webfont.woff

etelkatext-bold_0-webfont.woff

345 ms

loading.gif

loading.gif

144 ms

all.png

all.png

142 ms

li.png

li.png

177 ms

likebox.php

likebox.php

158 ms

write-new-review-bg.png

write-new-review-bg.png

173 ms

star-sm.png

star-sm.png

246 ms

tour_type_bg.gif

tour_type_bg.gif

244 ms

discount.png

discount.png

321 ms

li-white.png

li-white.png

242 ms

zajezdy-cz

zajezdy-cz

53 ms

like.php

like.php

122 ms

setJsonpReferers.php

setJsonpReferers.php

221 ms

footer.png

footer.png

218 ms

fcb_big.png

fcb_big.png

373 ms

zajezdy_h_200.png

zajezdy_h_200.png

891 ms

analytics.js

analytics.js

28 ms

Tn6TTrCOVos.css

Tn6TTrCOVos.css

19 ms

6GzPZ9Vv69k.js

6GzPZ9Vv69k.js

55 ms

E_P-TzY6wm3.js

E_P-TzY6wm3.js

53 ms

RGL4cj21k7i.js

RGL4cj21k7i.js

95 ms

IdaDUxNeWGd.js

IdaDUxNeWGd.js

94 ms

dB40TW3Rfc6.js

dB40TW3Rfc6.js

93 ms

p55HfXW__mM.js

p55HfXW__mM.js

93 ms

collect

collect

132 ms

collect

collect

149 ms

vwgziwe0FNr.js

vwgziwe0FNr.js

142 ms

FEppCFCt76d.png

FEppCFCt76d.png

121 ms

294579921_525460002775599_4630214052818440857_n.png

294579921_525460002775599_4630214052818440857_n.png

77 ms

1wEgRjtZ4_3.js

1wEgRjtZ4_3.js

36 ms

291848511_525460006108932_4253315763627532466_n.png

291848511_525460006108932_4253315763627532466_n.png

170 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

34 ms

js

js

44 ms

Accessibility Review

recenze.cz accessibility score

95

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

<frame> or <iframe> elements do not have a title

Best Practices

recenze.cz best practices score

58

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

SEO Factors

recenze.cz SEO score

97

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 Recenze.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 Recenze.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

recenze.cz

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