23.7 sec in total
6.1 sec
17.4 sec
166 ms
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.orgWe analyzed Vlasta.org page load time and found that the first response time was 6.1 sec and then it took 17.5 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.
vlasta.org performance score
name
value
score
weighting
Value1.9 s
86/100
10%
Value2.1 s
96/100
25%
Value4.6 s
71/100
10%
Value2,050 ms
7/100
30%
Value0
100/100
15%
Value10.2 s
25/100
10%
6144 ms
6249 ms
56 ms
12 ms
11 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 14% of them (5 requests) were addressed to the original Vlasta.org, 19% (7 requests) were made to Pagead2.googlesyndication.com and 14% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (6.2 sec) belongs to the original domain Vlasta.org.
Page size can be reduced by 102.3 kB (36%)
284.0 kB
181.7 kB
In fact, the total size of Vlasta.org main page is 284.0 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. 30% of websites need less resources to load. Images take 199.8 kB which makes up the majority of the site volume.
Potential reduce by 6.3 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 6.3 kB or 67% of the original size.
Potential reduce by 61.1 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. Obviously, Vlasta needs image optimization as it can save up to 61.1 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 34.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 34.8 kB or 47% of the original size.
Number of requests can be reduced by 22 (71%)
31
9
The browser has sent 31 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 11 to 1 for JavaScripts and as a result speed up the page load time.
vlasta.org
6144 ms
basic.css
6249 ms
cookieconsent.latest.min.js
56 ms
show_ads.js
12 ms
urchin.js
11 ms
Tracer.js
73 ms
logo.jpg
4585 ms
bg_vlastaorg.jpg
5230 ms
flaguk.jpg
4706 ms
ca-pub-6674545213161379.js
61 ms
zrt_lookup.html
50 ms
show_ads_impl.js
61 ms
dot.asp
270 ms
__utm.gif
9 ms
p
182 ms
aYGM0IeZCr3Qphab7jrHtB.js
181 ms
ads
242 ms
osd.js
30 ms
ads
242 ms
v2
79 ms
16987552126001848806
178 ms
abg.js
184 ms
m_js_controller.js
201 ms
ca.png
277 ms
googlelogo_color_112x36dp.png
134 ms
xrefid.xgi
26 ms
pixel
69 ms
s
66 ms
x_button_blue2.png
64 ms
favicon
124 ms
nessie_icon_tiamat_white.png
37 ms
9aKOW9kHIBrJTB9ONj-e1oyTZuOGlgCE-J5p-KupNmo.js
24 ms
cm
34 ms
sync
149 ms
activeview
17 ms
activeview
21 ms
vlasta.org accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
<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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
vlasta.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
Page has valid source maps
vlasta.org SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
CS
N/A
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.
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: