Tools & Wizards About Us
presny-cas-online.cz screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

presny-cas-online.cz

PŘESNÝ ČAS online | Astronomie | Proroctví | Kalendáře ...

Page Load Speed

25 sec in total

First Response

321 ms

Resources Loaded

23.9 sec

Page Rendered

759 ms

presny-cas-online.cz screenshot

About Website

Visit presny-cas-online.cz now to see the best up-to-date Presnycas Online content for Czech Republic and also check out these interesting facts you probably never knew about presny-cas-online.cz

Vše o čase | Historie kalendářů online přesný čas a vše o čase, co možná nevíte

Visit presny-cas-online.cz

Key Findings

We analyzed Presny-cas-online.cz page load time and found that the first response time was 321 ms and then it took 24.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

presny-cas-online.cz performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value4,100 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.243

51/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

presny-cas-online.cz

321 ms

presny-cas-online.cz

489 ms

www.presny-cas-online.cz

1023 ms

system.base.css

199 ms

system.menus.css

397 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 76% of them (81 requests) were addressed to the original Presny-cas-online.cz, 6% (6 requests) were made to Free.timeanddate.com and 4% (4 requests) were made to Ra.revolvermaps.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 296.6 kB (10%)

Content Size

2.9 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Presny-cas-online.cz main page is 2.9 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 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 139.8 kB

  • Original 167.6 kB
  • After minification 159.0 kB
  • After compression 27.8 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. 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 139.8 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 124.7 kB

  • Original 2.5 MB
  • After minification 2.4 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. Presnycas Online images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 25.9 kB

  • Original 184.2 kB
  • After minification 183.6 kB
  • After compression 158.4 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 25.9 kB or 14% of the original size.

CSS Optimization

-22%

Potential reduce by 6.2 kB

  • Original 28.7 kB
  • After minification 28.7 kB
  • After compression 22.5 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. Presny-cas-online.cz needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (54%)

Requests Now

98

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Presnycas Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

presny-cas-online.cz

presny-cas-online.cz

321 ms

presny-cas-online.cz

presny-cas-online.cz

489 ms

www.presny-cas-online.cz

www.presny-cas-online.cz

1023 ms

system.base.css

system.base.css

199 ms

system.menus.css

system.menus.css

397 ms

system.messages.css

system.messages.css

395 ms

system.theme.css

system.theme.css

398 ms

jquery.ui.core.min.css

jquery.ui.core.min.css

399 ms

jquery.ui.theme.min.css

jquery.ui.theme.min.css

395 ms

aggregator.css

aggregator.css

398 ms

book.css

book.css

595 ms

calendar_multiday.css

calendar_multiday.css

594 ms

comment.css

comment.css

589 ms

date_repeat_field.css

date_repeat_field.css

606 ms

field.css

field.css

595 ms

node.css

node.css

597 ms

poll.css

poll.css

850 ms

search.css

search.css

851 ms

user.css

user.css

829 ms

extlink.css

extlink.css

831 ms

nodeorder.css

nodeorder.css

851 ms

views.css

views.css

852 ms

back_to_top.css

back_to_top.css

1027 ms

ckeditor.css

ckeditor.css

1027 ms

media_wysiwyg.base.css

media_wysiwyg.base.css

1067 ms

colorbox_style.css

colorbox_style.css

1052 ms

ctools.css

ctools.css

1050 ms

hashtags.css

hashtags.css

1064 ms

lightbox.css

lightbox.css

1294 ms

tagclouds.css

tagclouds.css

1300 ms

custom_search.css

custom_search.css

1301 ms

responsive_menus_simple.css

responsive_menus_simple.css

1301 ms

ds_2col_stacked.css

ds_2col_stacked.css

1299 ms

taxonomy.css

taxonomy.css

1306 ms

layout.css

layout.css

1555 ms

style.css

style.css

1562 ms

colors.css

colors.css

1544 ms

print.css

print.css

1551 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

27 ms

jquery-ui.min.js

jquery-ui.min.js

31 ms

982039f2.js

982039f2.js

239 ms

adsbygoogle.js

adsbygoogle.js

117 ms

adsbygoogle.js

adsbygoogle.js

210 ms

6.js

6.js

388 ms

sdk.js

sdk.js

25 ms

js_GOikDsJOX04Aww72M-XK1hkq4qiL_1XgGsRdkL0XlDo.js

js_GOikDsJOX04Aww72M-XK1hkq4qiL_1XgGsRdkL0XlDo.js

1568 ms

js_SjwiHFqtwQd1knVfHq2jS5jG_sQoHmjPze0F4hdOvJs.js

js_SjwiHFqtwQd1knVfHq2jS5jG_sQoHmjPze0F4hdOvJs.js

1406 ms

js_EohiU36fpSOlT5dp4sHnqRpnkAEVbsQEO_Skty5aTKk.js

js_EohiU36fpSOlT5dp4sHnqRpnkAEVbsQEO_Skty5aTKk.js

1405 ms

js_7FpT9twA_yXesd-E-ys8ejWVyZ478mEWA2_Dv4RFSIA.js

js_7FpT9twA_yXesd-E-ys8ejWVyZ478mEWA2_Dv4RFSIA.js

1523 ms

js_wRA5y1C3QeQqgtPvxnmYvoDs-I1Qm4PFcDI8FjwVTJI.js

js_wRA5y1C3QeQqgtPvxnmYvoDs-I1Qm4PFcDI8FjwVTJI.js

1409 ms

th1

th1

38 ms

2.gif

2.gif

515 ms

chart

chart

488 ms

ikona.gif

ikona.gif

551 ms

czin_eu.gif

czin_eu.gif

606 ms

88x31.png

88x31.png

97 ms

ct.png

ct.png

303 ms

head_start_6.jpg

head_start_6.jpg

1090 ms

velkypatek.png

velkypatek.png

367 ms

egypt.png

egypt.png

573 ms

pyramidy.png

pyramidy.png

583 ms

sfinga.png

sfinga.png

554 ms

kdo-byli-keltove.png

kdo-byli-keltove.png

714 ms

1a_leonardo_da_vinci_vystav.png

1a_leonardo_da_vinci_vystav.png

749 ms

letnice.png

letnice.png

858 ms

keltove.png

keltove.png

861 ms

presy.png

presy.png

862 ms

slunecnihodiny.png

slunecnihodiny.png

1097 ms

velikonocni_nedele.png

velikonocni_nedele.png

1027 ms

hromnice.png

hromnice.png

1036 ms

prvni_zakladni_jednotky_cas.png

prvni_zakladni_jednotky_cas.png

1039 ms

27_leden_1_arbeit_macht_frei_den_obeti_holokaustu.jpg

27_leden_1_arbeit_macht_frei_den_obeti_holokaustu.jpg

1040 ms

feed.png

feed.png

1222 ms

velkypatek.png

velkypatek.png

1273 ms

egypt.png

egypt.png

1218 ms

pyramidy.png

pyramidy.png

1219 ms

sfinga.png

sfinga.png

1265 ms

kdo-byli-keltove.png

kdo-byli-keltove.png

1269 ms

1a_leonardo_da_vinci_vystav.png

1a_leonardo_da_vinci_vystav.png

1385 ms

letnice.png

letnice.png

1391 ms

keltove.png

keltove.png

1405 ms

presy.png

presy.png

1436 ms

slunecnihodiny.png

slunecnihodiny.png

1443 ms

velikonocni_nedele.png

velikonocni_nedele.png

1437 ms

hromnice.png

hromnice.png

1570 ms

prvni_zakladni_jednotky_cas.png

prvni_zakladni_jednotky_cas.png

1567 ms

27_leden_1_arbeit_macht_frei_den_obeti_holokaustu.jpg

27_leden_1_arbeit_macht_frei_den_obeti_holokaustu.jpg

1592 ms

recept_nepeceny_rumovy_dort.png

recept_nepeceny_rumovy_dort.png

1608 ms

vila_konference_ve_wansee.png

vila_konference_ve_wansee.png

1609 ms

1_facebook-presny-cas-onlin.png

1_facebook-presny-cas-onlin.png

1610 ms

invoke.js

invoke.js

102 ms

ts.php

ts.php

5 ms

ts.php

ts.php

6 ms

88x31.png

88x31.png

120 ms

menu-leaf.png

menu-leaf.png

1640 ms

search-button.png

search-button.png

1645 ms

c.php

c.php

89 ms

r.php

r.php

183 ms

count.asp

count.asp

19964 ms

2.4.13.css

2.4.13.css

7 ms

th1

th1

8 ms

ts.php

ts.php

5 ms

ts.php

ts.php

4 ms

a2.php

a2.php

177 ms

backtotop.png

backtotop.png

1515 ms

extlink_s.png

extlink_s.png

1457 ms

Accessibility Review

presny-cas-online.cz accessibility score

92

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

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

[lang] attributes do not have a valid value

Best Practices

presny-cas-online.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

presny-cas-online.cz SEO score

89

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

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 Presny-cas-online.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 Presny-cas-online.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

presny-cas-online.cz

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