Tools & Wizards About Us
allstars.cz screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

allstars.cz

ALL STARS AGENCY s.r.o. - produk?n? a um?leck? agentura

Page Load Speed

4.1 sec in total

First Response

492 ms

Resources Loaded

3.4 sec

Page Rendered

211 ms

allstars.cz screenshot

About Website

Welcome to allstars.cz homepage info - get ready to check ALL STARS best content right away, or after learning these important things about allstars.cz

Produk?n?, um?leck? a reklamn? agentura. Zaji??ov?n? um?leck?ch vystoupen? a koncert? zn?m?ch osobnost?, realizace kulturn?ch a spole?ensk?ch akc? na kl??.

Visit allstars.cz

Key Findings

We analyzed Allstars.cz page load time and found that the first response time was 492 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

allstars.cz performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

allstars.cz

492 ms

www.allstars.cz

844 ms

text.css

103 ms

main.css

205 ms

common.css

200 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 94% of them (34 requests) were addressed to the original Allstars.cz, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Allstars.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 268.9 kB (54%)

Content Size

498.6 kB

After Optimization

229.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Allstars.cz main page is 498.6 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 445.9 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 4.7 kB

  • Original 7.4 kB
  • After minification 7.4 kB
  • After compression 2.7 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. 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 4.7 kB or 64% of the original size.

Image Optimization

-54%

Potential reduce by 241.8 kB

  • Original 445.9 kB
  • After minification 204.1 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, ALL STARS needs image optimization as it can save up to 241.8 kB or 54% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-33%

Potential reduce by 9.7 kB

  • Original 29.8 kB
  • After minification 28.5 kB
  • After compression 20.0 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 9.7 kB or 33% of the original size.

CSS Optimization

-81%

Potential reduce by 12.6 kB

  • Original 15.5 kB
  • After minification 12.1 kB
  • After compression 2.9 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. Allstars.cz needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (15%)

Requests Now

33

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALL STARS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

allstars.cz

allstars.cz

492 ms

www.allstars.cz

www.allstars.cz

844 ms

text.css

text.css

103 ms

main.css

main.css

205 ms

common.css

common.css

200 ms

frmfunctions.js

frmfunctions.js

201 ms

menu.js

menu.js

207 ms

ga.js

ga.js

9 ms

fill.jpg

fill.jpg

114 ms

bck.jpg

bck.jpg

210 ms

top.jpg

top.jpg

111 ms

logo.jpg

logo.jpg

211 ms

spacer.gif

spacer.gif

114 ms

.jpg

.jpg

197 ms

menu.jpg

menu.jpg

212 ms

mn.jpg

mn.jpg

213 ms

mh.jpg

mh.jpg

213 ms

s.jpg

s.jpg

295 ms

lma.jpg

lma.jpg

312 ms

lsm.jpg

lsm.jpg

315 ms

lm.jpg

lm.jpg

312 ms

b_kontakt.jpg

b_kontakt.jpg

310 ms

bf.gif

bf.gif

316 ms

be.jpg

be.jpg

394 ms

image.php

image.php

476 ms

image.php

image.php

1571 ms

image.php

image.php

1756 ms

image.php

image.php

1839 ms

image.php

image.php

1749 ms

image.php

image.php

640 ms

image.php

image.php

625 ms

image.php

image.php

795 ms

image.php

image.php

1797 ms

image.php

image.php

962 ms

footer.jpg

footer.jpg

1060 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

allstars.cz accessibility score

55

Accessibility Issues

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

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

allstars.cz best practices score

67

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

allstars.cz SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Allstars.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Allstars.cz main page’s claimed encoding is iso-8859-1. 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

allstars.cz

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