Tools & Wizards About Us
divadlometro.cz screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

divadlometro.cz

Divadlo Metro

Page Load Speed

3.6 sec in total

First Response

474 ms

Resources Loaded

2.9 sec

Page Rendered

213 ms

divadlometro.cz screenshot

About Website

Click here to check amazing Divadlo Metro content. Otherwise, check out these important facts you probably never knew about divadlometro.cz

Divadlo Metro

Visit divadlometro.cz

Key Findings

We analyzed Divadlometro.cz page load time and found that the first response time was 474 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

divadlometro.cz performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

divadlometro.cz

474 ms

www.divadlometro.cz

534 ms

css

71 ms

style.css

958 ms

jquery.js

479 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 68% of them (26 requests) were addressed to the original Divadlometro.cz, 24% (9 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (958 ms) belongs to the original domain Divadlometro.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 576.9 kB (62%)

Content Size

926.6 kB

After Optimization

349.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Divadlometro.cz main page is 926.6 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. 35% of websites need less resources to load. Javascripts take 341.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 14.3 kB

  • Original 18.4 kB
  • After minification 15.4 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 3.0 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 14.3 kB or 77% of the original size.

Image Optimization

-12%

Potential reduce by 27.3 kB

  • Original 233.7 kB
  • After minification 206.4 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, Divadlo Metro needs image optimization as it can save up to 27.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 242.5 kB

  • Original 341.3 kB
  • After minification 335.2 kB
  • After compression 98.7 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 242.5 kB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 292.8 kB

  • Original 333.2 kB
  • After minification 324.0 kB
  • After compression 40.4 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. Divadlometro.cz needs all CSS files to be minified and compressed as it can save up to 292.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (24%)

Requests Now

25

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Divadlo Metro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

divadlometro.cz

divadlometro.cz

474 ms

www.divadlometro.cz

www.divadlometro.cz

534 ms

css

css

71 ms

style.css

style.css

958 ms

jquery.js

jquery.js

479 ms

bootstrap.js

bootstrap.js

485 ms

jquery.easing.js

jquery.easing.js

362 ms

masterslider.js

masterslider.js

731 ms

jquery.gallery.js

jquery.gallery.js

369 ms

custom.js

custom.js

603 ms

analytics.js

analytics.js

96 ms

cz.png

cz.png

245 ms

logo_divadlometro.png

logo_divadlometro.png

238 ms

arrow.png

arrow.png

243 ms

en.png

en.png

247 ms

de.png

de.png

242 ms

ru.png

ru.png

248 ms

es.png

es.png

476 ms

it.png

it.png

482 ms

fr.png

fr.png

484 ms

cn.png

cn.png

483 ms

ko.png

ko.png

490 ms

blank.gif

blank.gif

493 ms

loading-2.gif

loading-2.gif

624 ms

light-skin-1.png

light-skin-1.png

648 ms

pribeh-coco-chanel.jpg

pribeh-coco-chanel.jpg

637 ms

5M21SdFLkD52QavfmHs6cA.ttf

5M21SdFLkD52QavfmHs6cA.ttf

38 ms

oOeFwZNlrTefzLYmlVV1UKCWcynf_cDxXwCLxiixG1c.ttf

oOeFwZNlrTefzLYmlVV1UKCWcynf_cDxXwCLxiixG1c.ttf

45 ms

Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf

Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf

36 ms

BhNUF0UvSiDyKi5GMZK0cPesZW2xOQ-xsNqO47m55DA.ttf

BhNUF0UvSiDyKi5GMZK0cPesZW2xOQ-xsNqO47m55DA.ttf

44 ms

97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf

97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf

45 ms

9_7S_tWeGDh5Pq3u05RVkqCWcynf_cDxXwCLxiixG1c.ttf

9_7S_tWeGDh5Pq3u05RVkqCWcynf_cDxXwCLxiixG1c.ttf

44 ms

b9QBgL0iMZfDSpmcXcE8nG9QJ2ZrAngtF2xl-5ukicw.ttf

b9QBgL0iMZfDSpmcXcE8nG9QJ2ZrAngtF2xl-5ukicw.ttf

46 ms

Zd2E9abXLFGSr9G3YK2MsB43XjeME5heavxWqLE69Ro.ttf

Zd2E9abXLFGSr9G3YK2MsB43XjeME5heavxWqLE69Ro.ttf

45 ms

b9QBgL0iMZfDSpmcXcE8nIU_FpLvXrv7la5ElqLzFTw.ttf

b9QBgL0iMZfDSpmcXcE8nIU_FpLvXrv7la5ElqLzFTw.ttf

44 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

878 ms

collect

collect

48 ms

play-strindberg.jpg

play-strindberg.jpg

242 ms

Accessibility Review

divadlometro.cz accessibility score

86

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

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

divadlometro.cz best practices score

67

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

High

Missing source maps for large first-party JavaScript

SEO Factors

divadlometro.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Divadlometro.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Divadlometro.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

divadlometro.cz

Open Graph description is not detected on the main page of Divadlo Metro. 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: