Tools & Wizards About Us

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sushi.cz

The Sushi Bar - Čerstvé sushi a mořské plody každý den

Page Load Speed

3.1 sec in total

First Response

1.1 sec

Resources Loaded

2 sec

Page Rendered

106 ms

About Website

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

Prodej čerstvých ryb a mořských plodů té nejvyšší kvality. Prémiový The Sushi Bar s 20-ti letou tradicí v centru Prahy, Zborovská 49. Rozvážíme v Praze...

Visit sushi.cz

Key Findings

We analyzed Sushi.cz page load time and found that the first response time was 1.1 sec and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sushi.cz performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

sushi.cz

1057 ms

webfont.js

50 ms

js

34 ms

wp-emoji-release.min.js

132 ms

style.min.css

243 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 65% of them (26 requests) were addressed to the original Sushi.cz, 13% (5 requests) were made to Googletagmanager.com and 10% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Sushi.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.1 kB (7%)

Content Size

805.8 kB

After Optimization

750.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sushi.cz main page is 805.8 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. 65% of websites need less resources to load. Javascripts take 527.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 28.4 kB

  • Original 38.0 kB
  • After minification 36.8 kB
  • After compression 9.6 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 28.4 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 4.3 kB

  • Original 99.6 kB
  • After minification 95.3 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. Sushi images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 21.6 kB

  • Original 527.6 kB
  • After minification 527.6 kB
  • After compression 506.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 889 B

  • Original 140.7 kB
  • After minification 140.7 kB
  • After compression 139.8 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. Sushi.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (81%)

Requests Now

36

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sushi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sushi.cz accessibility score

76

Accessibility Issues

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sushi.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sushi.cz SEO score

100

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sushi.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 Sushi.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

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