Access czech-open.cz. UniCredit Czech Open - ATP CHALLENGER TOUR, Prostejov

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

czech-open.cz

705 ms

lightbox.css

214 ms

prototype.js

628 ms

scriptaculous.js

212 ms

lightbox.js

524 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 86% of them (76 requests) were addressed to the original Czech-open.cz, 6% (5 requests) were made to Scorepresso.com and 5% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (959 ms) relates to the external source Scorepresso.com.

Content Size

451.1 kB

After Optimization

201.9 kB

In fact, the total size of Czech-open.cz main page is 451.1 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. 30% of websites need less resources to load. Javascripts take 305.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 29.8 kB

Original 36.0 kB
After minification 29.1 kB
After compression 6.2 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 6.9 kB, which is 19% 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 29.8 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 6.1 kB

Original 100.3 kB
After minification 94.2 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. Czech Open images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 206.2 kB

Original 305.0 kB
After minification 239.6 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 206.2 kB or 68% of the original size.

CSS Optimization

-72%

Potential reduce by 7.1 kB

Original 9.9 kB
After minification 8.1 kB
After compression 2.7 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. Czech-open.cz needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 72% of the original size.

Requests Now

After Optimization

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czech Open. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Czech-open.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Czech-open.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

czech-open.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

UniCredit Czech Open - ATP CHALLENGER TOUR, Prostejov

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)