Tools & Wizards About Us
vostrel.cz screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

vostrel.cz

PETR

Page Load Speed

6 sec in total

First Response

383 ms

Resources Loaded

3.7 sec

Page Rendered

1.9 sec

vostrel.cz screenshot

About Website

Click here to check amazing Vostrel content for Russia. Otherwise, check out these important facts you probably never knew about vostrel.cz

Petr Vostřel, digital design & so much more

Visit vostrel.cz

Key Findings

We analyzed Vostrel.cz page load time and found that the first response time was 383 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

vostrel.cz performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.313

37/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

vostrel.cz

383 ms

vostrel.cz

585 ms

petr.css

105 ms

jquery-1.7.js

19 ms

petr.js

213 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 96% of them (67 requests) were addressed to the original Vostrel.cz, 1% (1 request) were made to Code.jquery.com and 1% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Vostrel.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 275.1 kB (2%)

Content Size

11.9 MB

After Optimization

11.6 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vostrel.cz main page is 11.9 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. 55% of websites need less resources to load. Images take 11.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 32.8 kB

  • Original 39.5 kB
  • After minification 33.3 kB
  • After compression 6.7 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. This page needs HTML code to be minified as it can gain 6.2 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 32.8 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 240.7 kB

  • Original 11.8 MB
  • After minification 11.6 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. Vostrel images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 1.6 kB

  • Original 10.3 kB
  • After minification 10.3 kB
  • After compression 8.7 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 1.6 kB or 15% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

67

After Optimization

67

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vostrel. According to our analytics all requests are already optimized.

Network Requests Diagram

vostrel.cz

vostrel.cz

383 ms

vostrel.cz

vostrel.cz

585 ms

petr.css

petr.css

105 ms

jquery-1.7.js

jquery-1.7.js

19 ms

petr.js

petr.js

213 ms

urchin.js

urchin.js

24 ms

__utm.gif

__utm.gif

48 ms

logo.png

logo.png

216 ms

a-academy.jpg

a-academy.jpg

380 ms

a2delta.jpg

a2delta.jpg

1688 ms

alcatel.jpg

alcatel.jpg

405 ms

bramac.jpg

bramac.jpg

1681 ms

cloudcardz.jpg

cloudcardz.jpg

1405 ms

cmfs.jpg

cmfs.jpg

320 ms

cocacola.jpg

cocacola.jpg

422 ms

ebook.jpg

ebook.jpg

481 ms

itbiz.jpg

itbiz.jpg

600 ms

jvc.jpg

jvc.jpg

526 ms

kermes.jpg

kermes.jpg

677 ms

kerum.jpg

kerum.jpg

627 ms

kratena.jpg

kratena.jpg

796 ms

lesidees.jpg

lesidees.jpg

823 ms

machala.jpg

machala.jpg

778 ms

mercilonka.jpg

mercilonka.jpg

881 ms

mestecka.jpg

mestecka.jpg

902 ms

moon.jpg

moon.jpg

930 ms

ngl.jpg

ngl.jpg

986 ms

pohledy.jpg

pohledy.jpg

1007 ms

pwrgeneration.jpg

pwrgeneration.jpg

1032 ms

rules.jpg

rules.jpg

1184 ms

slevarna.jpg

slevarna.jpg

1112 ms

soarea.jpg

soarea.jpg

1135 ms

step-back.jpg

step-back.jpg

1219 ms

sticha.jpg

sticha.jpg

1239 ms

siemens.jpg

siemens.jpg

1288 ms

scholz.jpg

scholz.jpg

1327 ms

enposol.jpg

enposol.jpg

1344 ms

svitavy.jpg

svitavy.jpg

1583 ms

uplotu.jpg

uplotu.jpg

1435 ms

westico.jpg

westico.jpg

1448 ms

zlatopramen.jpg

zlatopramen.jpg

1503 ms

supporting-contract-for-the-web.svg

supporting-contract-for-the-web.svg

1538 ms

logo.svg

logo.svg

1538 ms

callouts.svg

callouts.svg

1396 ms

customers.svg

customers.svg

1424 ms

callouts2.svg

callouts2.svg

1276 ms

checkerboard-pattern.png

checkerboard-pattern.png

1284 ms

reel.svg

reel.svg

1290 ms

free.svg

free.svg

1288 ms

photo.png

photo.png

1446 ms

links.svg

links.svg

1188 ms

heart.svg

heart.svg

1161 ms

enposol.jpg

enposol.jpg

1521 ms

lesidees.jpg

lesidees.jpg

1171 ms

alteso.png

alteso.png

1275 ms

svitavy.jpg

svitavy.jpg

1546 ms

ngl.jpg

ngl.jpg

1211 ms

blitzthief.jpg

blitzthief.jpg

1170 ms

irrigino.png

irrigino.png

1521 ms

hug.png

hug.png

1199 ms

avallain-icons.png

avallain-icons.png

1173 ms

kerum.jpg

kerum.jpg

1177 ms

alcatel.png

alcatel.png

1180 ms

kermes.png

kermes.png

1168 ms

kratena.png

kratena.png

1254 ms

sticha.png

sticha.png

1103 ms

ibiz.png

ibiz.png

1202 ms

soarea.jpg

soarea.jpg

1141 ms

slevarna.png

slevarna.png

1119 ms

-logos.png

-logos.png

1128 ms

Accessibility Review

vostrel.cz accessibility score

95

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.

Best Practices

vostrel.cz best practices score

75

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

SEO Factors

vostrel.cz SEO score

93

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vostrel.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vostrel.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

vostrel.cz

Open Graph data is detected on the main page of Vostrel. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: