Tools & Wizards About Us
vlasta.org screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

vlasta.org

Od Alja?ky po Nov? Z?land s Vlastou Kotykem na www.vlasta.org

Page Load Speed

21.4 sec in total

First Response

307 ms

Resources Loaded

21.1 sec

Page Rendered

72 ms

vlasta.org screenshot

About Website

Welcome to vlasta.org homepage info - get ready to check Vlasta best content right away, or after learning these important things about vlasta.org

Osobn? str?nky Vlasty Kotyka o cestov?n? a pr?ci v zahrani??. Dopln?n? o v?ce jak 2500 fotografi?, n?kolika vide? a odkazy na relevantn? str?nky.

Visit vlasta.org

Key Findings

We analyzed Vlasta.org page load time and found that the first response time was 307 ms and then it took 21.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% 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

vlasta.org performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value2,220 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.361

30/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

vlasta.org

307 ms

js

72 ms

basic.css

190 ms

cookieconsent.latest.min.js

42 ms

show_ads.js

109 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 11% of them (6 requests) were addressed to the original Vlasta.org, 19% (10 requests) were made to Tpc.googlesyndication.com and 19% (10 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.1 kB (26%)

Content Size

369.2 kB

After Optimization

273.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vlasta.org main page is 369.2 kB. 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. Javascripts take 273.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 18.3 kB

  • Original 24.6 kB
  • After minification 24.0 kB
  • After compression 6.2 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 18.3 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 590 B

  • Original 69.5 kB
  • After minification 68.9 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. Vlasta images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 76.6 kB

  • Original 273.5 kB
  • After minification 261.3 kB
  • After compression 196.9 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 76.6 kB or 28% of the original size.

CSS Optimization

-36%

Potential reduce by 610 B

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 1.1 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. Vlasta.org needs all CSS files to be minified and compressed as it can save up to 610 B or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (63%)

Requests Now

49

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vlasta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vlasta.org

vlasta.org

307 ms

js

js

72 ms

basic.css

basic.css

190 ms

cookieconsent.latest.min.js

cookieconsent.latest.min.js

42 ms

show_ads.js

show_ads.js

109 ms

adsbygoogle.js

adsbygoogle.js

261 ms

urchin.js

urchin.js

12 ms

Tracer.js

Tracer.js

27 ms

adsbygoogle.js

adsbygoogle.js

194 ms

__utm.gif

__utm.gif

6 ms

logo.jpg

logo.jpg

204 ms

bg_vlastaorg.jpg

bg_vlastaorg.jpg

287 ms

instagram.jpg

instagram.jpg

204 ms

flaguk.jpg

flaguk.jpg

219 ms

show_ads_impl.js

show_ads_impl.js

284 ms

dot.asp

dot.asp

20320 ms

zrt_lookup.html

zrt_lookup.html

29 ms

ads

ads

286 ms

ads

ads

543 ms

ads

ads

371 ms

dvbs_src.js

dvbs_src.js

29 ms

m_js_controller.js

m_js_controller.js

18 ms

window_focus.js

window_focus.js

21 ms

qs_click_protection.js

qs_click_protection.js

24 ms

ufs_web_display.js

ufs_web_display.js

11 ms

abg_lite.js

abg_lite.js

25 ms

icon.png

icon.png

9 ms

dvbs_src_internal127.js

dvbs_src_internal127.js

3 ms

verify.js

verify.js

317 ms

reactive_library.js

reactive_library.js

204 ms

ca-pub-6674545213161379

ca-pub-6674545213161379

353 ms

load_preloaded_resource.js

load_preloaded_resource.js

171 ms

s

s

168 ms

cd4a99796a94d0c9d381e4cfe43efd64.js

cd4a99796a94d0c9d381e4cfe43efd64.js

82 ms

css

css

108 ms

globalpassback_160x600.gif

globalpassback_160x600.gif

114 ms

activeview

activeview

190 ms

d4Vwwu8iHiCDxZ1xzxUGRbEaLZqCebWmAfX3l2eV90k.js

d4Vwwu8iHiCDxZ1xzxUGRbEaLZqCebWmAfX3l2eV90k.js

59 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

186 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

186 ms

activeview

activeview

142 ms

14763004658117789537

14763004658117789537

94 ms

c653839755d9d9a3a773c62a0253f53f.js

c653839755d9d9a3a773c62a0253f53f.js

9 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

86 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

92 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

96 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

97 ms

redir.html

redir.html

130 ms

one_click_handler_one_afma.js

one_click_handler_one_afma.js

87 ms

16333365758749566083

16333365758749566083

50 ms

activeview

activeview

159 ms

iframe.html

iframe.html

10 ms

6.gif

6.gif

18 ms

6.gif

6.gif

27 ms

Accessibility Review

vlasta.org accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

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

Impact

Issue

High

<html> element does not have a [lang] attribute

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

vlasta.org best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vlasta.org 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

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vlasta.org can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vlasta.org main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

vlasta.org

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