Tools & Wizards About Us

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

restaurace-satchmo.cz

Satchmo - nekuřácká restaurace & club Hradec Králové

Page Load Speed

3.1 sec in total

First Response

471 ms

Resources Loaded

2.4 sec

Page Rendered

184 ms

About Website

Welcome to restaurace-satchmo.cz homepage info - get ready to check Restaurace Satchmo best content right away, or after learning these important things about restaurace-satchmo.cz

Nekuřácký restaurant a club Satchmo v Hradci Králové - styl, design a kulturní prostředí. Najdete nás hned vedle Klicperova divadla.

Visit restaurace-satchmo.cz

Key Findings

We analyzed Restaurace-satchmo.cz page load time and found that the first response time was 471 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

restaurace-satchmo.cz performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

restaurace-satchmo.cz

471 ms

md5.js

154 ms

jquery-1.4.2.min.js

336 ms

jquery.colorbox-min.js

233 ms

jquery.color.menu.js

225 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 86% of them (37 requests) were addressed to the original Restaurace-satchmo.cz, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Restaurace-satchmo.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 123.5 kB (12%)

Content Size

1.0 MB

After Optimization

888.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Restaurace-satchmo.cz main page is 1.0 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. 40% of websites need less resources to load. Images take 854.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 24.8 kB

  • Original 31.8 kB
  • After minification 30.8 kB
  • After compression 7.0 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 24.8 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 93.7 kB

  • Original 854.5 kB
  • After minification 760.8 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, Restaurace Satchmo needs image optimization as it can save up to 93.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 2.2 kB

  • Original 114.7 kB
  • After minification 114.7 kB
  • After compression 112.5 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

-25%

Potential reduce by 2.9 kB

  • Original 11.3 kB
  • After minification 11.3 kB
  • After compression 8.5 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. Restaurace-satchmo.cz needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (37%)

Requests Now

41

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Restaurace Satchmo. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

restaurace-satchmo.cz accessibility score

88

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.

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

Best Practices

restaurace-satchmo.cz best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

restaurace-satchmo.cz SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Restaurace-satchmo.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 Restaurace-satchmo.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 description is not detected on the main page of Restaurace Satchmo. 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: