5.4 sec in total
545 ms
3.5 sec
1.3 sec
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Visit blog.vlczak.czWe analyzed Blog.vlczak.cz page load time and found that the first response time was 545 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
blog.vlczak.cz performance score
name
value
score
weighting
Value1.9 s
88/100
10%
Value2.0 s
97/100
25%
Value2.4 s
98/100
10%
Value20 ms
100/100
30%
Value0
100/100
15%
Value2.6 s
98/100
10%
545 ms
317 ms
217 ms
324 ms
547 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 50% of them (15 requests) were addressed to the original Blog.vlczak.cz, 27% (8 requests) were made to Fii.cz and 10% (3 requests) were made to S.gravatar.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Fii.cz.
Page size can be reduced by 288.8 kB (34%)
841.1 kB
552.4 kB
In fact, the total size of Blog.vlczak.cz main page is 841.1 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. 25% of websites need less resources to load. Images take 478.3 kB which makes up the majority of the site volume.
Potential reduce by 19.4 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 19.4 kB or 70% of the original size.
Potential reduce by 33.1 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. Blog Vlczak images are well optimized though.
Potential reduce by 97.9 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 97.9 kB or 62% of the original size.
Potential reduce by 138.3 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. Blog.vlczak.cz needs all CSS files to be minified and compressed as it can save up to 138.3 kB or 78% of the original size.
Number of requests can be reduced by 13 (46%)
28
15
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Vlczak. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
blog.vlczak.cz
545 ms
wp-emoji-release.min.js
317 ms
twentyfourteen.css
217 ms
genericons.css
324 ms
style.css
547 ms
jetpack.css
445 ms
jquery.js
589 ms
jquery-migrate.min.js
432 ms
devicepx-jetpack.js
57 ms
gprofiles.js
61 ms
wpgroho.js
450 ms
functions.js
452 ms
wp-embed.min.js
578 ms
e-201609.js
5 ms
mrkjqxa
1724 ms
pattern-light.svg
213 ms
tichy.jpg
232 ms
adwords-sitelinks.png
232 ms
tznawhs
1746 ms
bdcgqb
583 ms
bcyfqesm
1613 ms
qnnfe
1712 ms
urfmrtm
2449 ms
esnmuyvr
1075 ms
juuyerw
1890 ms
Genericons.svg
743 ms
8AAnjaY2BgYGQAgjO2i86D6AshzNIwGgBAmQUAAAA=
176 ms
hovercard.css
31 ms
services.css
52 ms
g.gif
5 ms
blog.vlczak.cz accessibility score
blog.vlczak.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
blog.vlczak.cz 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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blog.vlczak.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 Blog.vlczak.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.
blog.vlczak.cz
Open Graph data is detected on the main page of Blog Vlczak. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: