Tools & Wizards About Us
praha.cz screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% 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

5.4 sec in total

First Response

405 ms

Resources Loaded

3.6 sec

Page Rendered

1.4 sec

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 405 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

praha.cz performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

6/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

praha.cz

405 ms

www.praha.cz

685 ms

djweather.css

117 ms

mootools.js

345 ms

caption.js

233 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 58% of them (41 requests) were addressed to the original Praha.cz, 10% (7 requests) were made to Pagead2.googlesyndication.com and 7% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source For-garden.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 280.7 kB (3%)

Content Size

8.4 MB

After Optimization

8.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Praha.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. 45% of websites need less resources to load. Images take 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 31.3 kB

  • Original 41.0 kB
  • After minification 39.0 kB
  • After compression 9.7 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 31.3 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 76.6 kB

  • Original 8.1 MB
  • After minification 8.1 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. PRAHA images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 116.3 kB

  • Original 194.3 kB
  • After minification 184.8 kB
  • After compression 78.0 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 116.3 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 56.5 kB

  • Original 67.3 kB
  • After minification 45.1 kB
  • After compression 10.8 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 56.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (60%)

Requests Now

65

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 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 14 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

praha.cz

praha.cz

405 ms

www.praha.cz

www.praha.cz

685 ms

djweather.css

djweather.css

117 ms

mootools.js

mootools.js

345 ms

caption.js

caption.js

233 ms

system.css

system.css

236 ms

general.css

general.css

238 ms

addons.css

addons.css

238 ms

layout.css

layout.css

241 ms

template.css

template.css

375 ms

typo.css

typo.css

378 ms

ja.script.js

ja.script.js

381 ms

ja.ddmod.js

ja.ddmod.js

382 ms

css.css

css.css

386 ms

css.js

css.js

454 ms

theme.css

theme.css

464 ms

show_ads.js

show_ads.js

5 ms

mod_jw_ucd.css

mod_jw_ucd.css

501 ms

icon-min.gif

icon-min.gif

145 ms

icon-max.gif

icon-max.gif

144 ms

11235762823_8afa90ec98_o_d.jpg

11235762823_8afa90ec98_o_d.jpg

912 ms

show

show

2012 ms

2149828_644279_Straznici.jpg

2149828_644279_Straznici.jpg

338 ms

back2010.jpg

back2010.jpg

132 ms

wrapper-bg1120.png

wrapper-bg1120.png

130 ms

imapa_hp.jpg

imapa_hp.jpg

351 ms

akce_hp.jpg

akce_hp.jpg

361 ms

uplan_hp.jpg

uplan_hp.jpg

329 ms

prohlidky_hp.jpg

prohlidky_hp.jpg

402 ms

08_vizu.JPG

08_vizu.JPG

1313 ms

1603KeltskyTelegraf1.jpg

1603KeltskyTelegraf1.jpg

351 ms

1603Febiofest_ik.jpg

1603Febiofest_ik.jpg

641 ms

jasno.png

jasno.png

474 ms

200x200_cisloINFO.gif

200x200_cisloINFO.gif

963 ms

125x125_ziprealty_logo.jpg

125x125_ziprealty_logo.jpg

507 ms

fb.JPG

fb.JPG

542 ms

twitter.JPG

twitter.JPG

643 ms

G+.JPG

G+.JPG

643 ms

ca-pub-4181368265884511.js

ca-pub-4181368265884511.js

124 ms

zrt_lookup.html

zrt_lookup.html

119 ms

show_ads_impl.js

show_ads_impl.js

121 ms

logo_praha_2010.gif

logo_praha_2010.gif

631 ms

icon-search.gif

icon-search.gif

738 ms

mainnav-bg.gif

mainnav-bg.gif

714 ms

mainnav-active.gif

mainnav-active.gif

714 ms

arrow3.png

arrow3.png

714 ms

bullet.gif

bullet.gif

822 ms

dot.gif

dot.gif

821 ms

cena-benzin-nafta

cena-benzin-nafta

440 ms

kurzy-men

kurzy-men

439 ms

ga.js

ga.js

100 ms

ads

ads

244 ms

osd.js

osd.js

44 ms

__utm.gif

__utm.gif

45 ms

ads

ads

197 ms

m_js_controller.js

m_js_controller.js

69 ms

abg.js

abg.js

118 ms

8465170513344438617

8465170513344438617

179 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

93 ms

favicon

favicon

183 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

31 ms

logo_Penize1.png

logo_Penize1.png

501 ms

ukazatel-red-up.gif

ukazatel-red-up.gif

765 ms

widget.js

widget.js

443 ms

s

s

67 ms

x_button_blue2.png

x_button_blue2.png

11 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

5 ms

USD.png

USD.png

279 ms

EUR.png

EUR.png

336 ms

activeview

activeview

13 ms

activeview

activeview

14 ms

Accessibility Review

praha.cz accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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: