Tools & Wizards About Us

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

vstupenky.narodni-divadlo.cz

ColosseumTicket | Tickets - culture and events | Prague, Brno, Ostrava and more.

Page Load Speed

2.9 sec in total

First Response

1.2 sec

Resources Loaded

1.6 sec

Page Rendered

121 ms

About Website

Click here to check amazing Vstupenky Narodni Divadlo content for Czech Republic. Otherwise, check out these important facts you probably never knew about vstupenky.narodni-divadlo.cz

Be inspired, discover new stories and experience new cultural experiences ✓ 700+ events throughout the Czech Republic ✓ 120+ points of sale ✓ Use of benefit systems

Visit vstupenky.narodni-divadlo.cz

Key Findings

We analyzed Vstupenky.narodni-divadlo.cz page load time and found that the first response time was 1.2 sec and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster. This domain responded with an error, which can significantly jeopardize Vstupenky.narodni-divadlo.cz rating and web reputation

Performance Metrics

vstupenky.narodni-divadlo.cz performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

vstupenky.narodni-divadlo.cz

1227 ms

helma.jpg

333 ms

logo-ps.jpg

333 ms

stin.jpg

335 ms

logo-colosseum.jpg

336 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 20% of them (1 request) were addressed to the original Vstupenky.narodni-divadlo.cz, 80% (4 requests) were made to Colosseum.eu. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Vstupenky.narodni-divadlo.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.4 kB (19%)

Content Size

28.9 kB

After Optimization

23.6 kB

  • HTML
  • Images

In fact, the total size of Vstupenky.narodni-divadlo.cz main page is 28.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 25.6 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.1 kB

  • Original 3.3 kB
  • After minification 3.1 kB
  • After compression 1.2 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. 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 2.1 kB or 63% of the original size.

Image Optimization

-13%

Potential reduce by 3.2 kB

  • Original 25.6 kB
  • After minification 22.3 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. Obviously, Vstupenky Narodni Divadlo needs image optimization as it can save up to 3.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vstupenky Narodni Divadlo. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

vstupenky.narodni-divadlo.cz accessibility score

100

Accessibility Issues

Best Practices

vstupenky.narodni-divadlo.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

vstupenky.narodni-divadlo.cz SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    CS

  • Encoding

    UTF-8

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