Tools & Wizards About Us
praha.cz screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

praha.cz

PRAHA.cz ~ vše o životě v Praze - Praha.cz

Page Load Speed

5.2 sec in total

First Response

1.1 sec

Resources Loaded

3.9 sec

Page Rendered

209 ms

praha.cz screenshot

About Website

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

Informace, které v Praze potřebujete a ještě víc - zprávy, kultura, památky, doprava, volný čas, ubytování, restaurace, MHD a tak dál...

Visit praha.cz

Key Findings

We analyzed Praha.cz page load time and found that the first response time was 1.1 sec and then it took 4.1 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

praha.cz performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.073

96/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

www.praha.cz

1138 ms

djweather.css

98 ms

mootools.js

323 ms

caption.js

195 ms

system.css

210 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 56% of them (43 requests) were addressed to the original Praha.cz, 9% (7 requests) were made to Pagead2.googlesyndication.com and 6% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Praha.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.9 kB (6%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Praha.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. 50% of websites need less resources to load. Images take 749.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 35.0 kB

  • Original 46.1 kB
  • After minification 44.2 kB
  • After compression 11.1 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 35.0 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 30.2 kB

  • Original 749.6 kB
  • After minification 719.4 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. PRAHA images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.0 kB

  • Original 399.8 kB
  • After minification 399.8 kB
  • After compression 396.8 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

-32%

Potential reduce by 4.8 kB

  • Original 15.0 kB
  • After minification 14.7 kB
  • After compression 10.3 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. Praha.cz needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (64%)

Requests Now

72

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PRAHA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.praha.cz

www.praha.cz

1138 ms

djweather.css

djweather.css

98 ms

mootools.js

mootools.js

323 ms

caption.js

caption.js

195 ms

system.css

system.css

210 ms

general.css

general.css

213 ms

addons.css

addons.css

214 ms

layout.css

layout.css

216 ms

template.css

template.css

292 ms

typo.css

typo.css

316 ms

ja.script.js

ja.script.js

313 ms

ja.ddmod.js

ja.ddmod.js

317 ms

css.css

css.css

316 ms

css.js

css.js

388 ms

theme.css

theme.css

416 ms

show_ads.js

show_ads.js

67 ms

mod_jw_ucd.css

mod_jw_ucd.css

416 ms

icon-min.gif

icon-min.gif

125 ms

icon-max.gif

icon-max.gif

286 ms

back2010.jpg

back2010.jpg

109 ms

wrapper-bg1120.png

wrapper-bg1120.png

109 ms

imapa_hp.jpg

imapa_hp.jpg

298 ms

akce_hp.jpg

akce_hp.jpg

594 ms

uplan_hp.jpg

uplan_hp.jpg

225 ms

prohlidky_hp.jpg

prohlidky_hp.jpg

288 ms

praha.cz_azznacky_uvodni.jpg

praha.cz_azznacky_uvodni.jpg

396 ms

praha.cz_navackove_uvodni.jpg

praha.cz_navackove_uvodni.jpg

594 ms

praha.cz_auto-poly_uvodni.jpg

praha.cz_auto-poly_uvodni.jpg

424 ms

praha.cz_smileparking_uvodni.jpg

praha.cz_smileparking_uvodni.jpg

479 ms

praha.cz_vilaparkklamovka_uvodni.jpg

praha.cz_vilaparkklamovka_uvodni.jpg

843 ms

praha.cz_finep_uvodni.jpg

praha.cz_finep_uvodni.jpg

616 ms

.png

.png

524 ms

200x200_cisloINFO.gif

200x200_cisloINFO.gif

764 ms

125x125_ziprealty_logo.jpg

125x125_ziprealty_logo.jpg

628 ms

fb.JPG

fb.JPG

786 ms

twitter.JPG

twitter.JPG

685 ms

G+.JPG

G+.JPG

695 ms

adsbygoogle.js

adsbygoogle.js

130 ms

logo_praha_2010.gif

logo_praha_2010.gif

708 ms

icon-search.gif

icon-search.gif

762 ms

mainnav-bg.gif

mainnav-bg.gif

750 ms

mainnav-active.gif

mainnav-active.gif

780 ms

arrow3.png

arrow3.png

940 ms

bullet.gif

bullet.gif

834 ms

dot.gif

dot.gif

840 ms

ga.js

ga.js

7 ms

__utm.gif

__utm.gif

12 ms

show_ads_impl.js

show_ads_impl.js

370 ms

kurzy-men

kurzy-men

396 ms

cena-benzin-nafta

cena-benzin-nafta

398 ms

zrt_lookup.html

zrt_lookup.html

32 ms

ads

ads

452 ms

ads

ads

427 ms

widget.js

widget.js

530 ms

logo_Penize1.png

logo_Penize1.png

263 ms

ukazatel-green-down.gif

ukazatel-green-down.gif

526 ms

12d95d4c7f28e5d768e0b461a4598061.js

12d95d4c7f28e5d768e0b461a4598061.js

37 ms

load_preloaded_resource.js

load_preloaded_resource.js

56 ms

5cad5a605d634f684c7cf1ecfca85228.js

5cad5a605d634f684c7cf1ecfca85228.js

56 ms

abg_lite.js

abg_lite.js

81 ms

window_focus.js

window_focus.js

94 ms

qs_click_protection.js

qs_click_protection.js

97 ms

ufs_web_display.js

ufs_web_display.js

20 ms

c653839755d9d9a3a773c62a0253f53f.js

c653839755d9d9a3a773c62a0253f53f.js

79 ms

5cad5a605d634f684c7cf1ecfca85228.js

5cad5a605d634f684c7cf1ecfca85228.js

59 ms

icon.png

icon.png

43 ms

14763004658117789537

14763004658117789537

250 ms

s

s

23 ms

css

css

137 ms

USD.png

USD.png

238 ms

ukazatel-red-up.gif

ukazatel-red-up.gif

438 ms

EUR.png

EUR.png

43 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

19 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

27 ms

activeview

activeview

149 ms

xjhP1ZZuKGHO2MkN5-NpKnD2PsyBoLvUaPEUlRzCpD8.js

xjhP1ZZuKGHO2MkN5-NpKnD2PsyBoLvUaPEUlRzCpD8.js

26 ms

activeview

activeview

128 ms

Accessibility Review

praha.cz accessibility score

76

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

praha.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

praha.cz SEO score

77

Search Engine Optimization Advices

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 Praha.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 Praha.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

praha.cz

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