Tools & Wizards About Us
plzen.cz screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 90% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

plzen.cz

Plzeň CZ | Zprávy Plzeň

Page Load Speed

4.6 sec in total

First Response

380 ms

Resources Loaded

3.5 sec

Page Rendered

679 ms

plzen.cz screenshot

About Website

Visit plzen.cz now to see the best up-to-date Plzen content for Czech Republic and also check out these interesting facts you probably never knew about plzen.cz

Zpravodajský portál Západočeského kraje = Plzeňska a Karlovarska. Kulturní a společenské akce, sportovní informace, aktuální zprávy a mnohem více.

Visit plzen.cz

Key Findings

We analyzed Plzen.cz page load time and found that the first response time was 380 ms and then it took 4.2 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

plzen.cz performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

plzen.cz

380 ms

js

81 ms

css

42 ms

css

56 ms

settings.css

228 ms

Our browser made a total of 165 requests to load all elements on the main page. We found that 54% of them (89 requests) were addressed to the original Plzen.cz, 15% (24 requests) were made to Fonts.gstatic.com and 7% (11 requests) were made to Microsofttranslator.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Microsofttranslator.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (40%)

Content Size

2.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Plzen.cz main page is 2.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 119.5 kB

  • Original 144.5 kB
  • After minification 139.1 kB
  • After compression 25.1 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 119.5 kB or 83% of the original size.

Image Optimization

-15%

Potential reduce by 237.0 kB

  • Original 1.6 MB
  • After minification 1.3 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. Obviously, Plzen needs image optimization as it can save up to 237.0 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 348.3 kB

  • Original 519.2 kB
  • After minification 490.0 kB
  • After compression 170.9 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 348.3 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 382.5 kB

  • Original 450.5 kB
  • After minification 364.7 kB
  • After compression 68.0 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. Plzen.cz needs all CSS files to be minified and compressed as it can save up to 382.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (45%)

Requests Now

140

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Plzen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

plzen.cz

plzen.cz

380 ms

js

js

81 ms

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css

42 ms

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css

56 ms

settings.css

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228 ms

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Accessibility Review

plzen.cz accessibility score

96

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

plzen.cz best practices score

83

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

SEO Factors

plzen.cz SEO score

92

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Plzen.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Plzen.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

plzen.cz

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