Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

udalosti.signaly.cz

Událost dne |

Page Load Speed

2.5 sec in total

First Response

308 ms

Resources Loaded

2 sec

Page Rendered

239 ms

udalosti.signaly.cz screenshot

About Website

Click here to check amazing Udalosti Signaly content for Czech Republic. Otherwise, check out these important facts you probably never knew about udalosti.signaly.cz

Visit udalosti.signaly.cz

Key Findings

We analyzed Udalosti.signaly.cz page load time and found that the first response time was 308 ms and then it took 2.2 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

udalosti.signaly.cz performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

udalosti.signaly.cz

308 ms

udalosti.signaly.cz

626 ms

s-udalosti.css

587 ms

jquery.min.js

69 ms

866cbd3e-init.min.js

689 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 11% of them (2 requests) were addressed to the original Udalosti.signaly.cz, 58% (11 requests) were made to Static.signaly.cz and 16% (3 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (689 ms) relates to the external source Static.signaly.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 271.7 kB (66%)

Content Size

412.6 kB

After Optimization

140.9 kB

In fact, the total size of Udalosti.signaly.cz main page is 412.6 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. Only 10% of websites need less resources to load. Javascripts take 250.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.9 kB

  • Original 22.3 kB
  • After minification 21.2 kB
  • After compression 5.4 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 16.9 kB or 76% of the original size.

Image Optimization

-20%

Potential reduce by 6.1 kB

  • Original 30.2 kB
  • After minification 24.1 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, Udalosti Signaly needs image optimization as it can save up to 6.1 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 157.3 kB

  • Original 250.6 kB
  • After minification 250.6 kB
  • After compression 93.4 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 157.3 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 91.4 kB

  • Original 109.4 kB
  • After minification 109.3 kB
  • After compression 18.0 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. Udalosti.signaly.cz needs all CSS files to be minified and compressed as it can save up to 91.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (65%)

Requests Now

17

After Optimization

6

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Udalosti Signaly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

udalosti.signaly.cz accessibility score

100

Accessibility Issues

Best Practices

udalosti.signaly.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

udalosti.signaly.cz SEO score

67

Search Engine Optimization Advices

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 Udalosti.signaly.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 Udalosti.signaly.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 Udalosti Signaly. 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: