Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

classicconcertstickets.com

ClassicConcerts - Tickets for classical concerts in Prague

Page Load Speed

2.9 sec in total

First Response

293 ms

Resources Loaded

2.3 sec

Page Rendered

241 ms

About Website

Click here to check amazing Classic Concerts Tickets content. Otherwise, check out these important facts you probably never knew about classicconcertstickets.com

List of upcoming classical concerts in Prague, concert halls and tickets information.

Visit classicconcertstickets.com

Key Findings

We analyzed Classicconcertstickets.com page load time and found that the first response time was 293 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

classicconcertstickets.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

classicconcertstickets.com

293 ms

www.classicconcertstickets.com

653 ms

calendar.css

96 ms

calendar.js

195 ms

site.css

287 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that all of those requests were addressed to Classicconcertstickets.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Classicconcertstickets.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.6 kB (7%)

Content Size

475.5 kB

After Optimization

443.9 kB

In fact, the total size of Classicconcertstickets.com main page is 475.5 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. 15% of websites need less resources to load. Images take 449.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 13.9 kB

  • Original 17.9 kB
  • After minification 17.1 kB
  • After compression 4.0 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 13.9 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 16.1 kB

  • Original 449.6 kB
  • After minification 433.5 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. Classic Concerts Tickets images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 363 B

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 2.3 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 363 B or 14% of the original size.

CSS Optimization

-23%

Potential reduce by 1.2 kB

  • Original 5.3 kB
  • After minification 5.3 kB
  • After compression 4.1 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. Classicconcertstickets.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (50%)

Requests Now

38

After Optimization

19

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Classic Concerts Tickets. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

classicconcertstickets.com accessibility score

93

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.

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

classicconcertstickets.com 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

classicconcertstickets.com SEO score

67

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

    EN

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Classicconcertstickets.com 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 Classicconcertstickets.com 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 Classic Concerts Tickets. 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: