Access upfront.cz. UpFront | Web, multimédia, tisk

Report Summary

About Website

Visit upfront.cz now to see the best up-to-date Up Front content and also check out these interesting facts you probably never knew about upfront.cz

Studio UPFRONT - web, multimedia, tisk, reklamní předměty, seo, internetové stránky, internetové aplikace, letáky, katalogy, plakáty

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

upfront.cz

387 ms

www.upfront.cz

568 ms

styl.css

150 ms

prototype.js

676 ms

scriptaculous.js

268 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Upfront.cz, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (676 ms) belongs to the original domain Upfront.cz.

Content Size

676.4 kB

After Optimization

464.1 kB

In fact, the total size of Upfront.cz main page is 676.4 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. 25% of websites need less resources to load. Images take 394.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 7.7 kB

Original 11.0 kB
After minification 10.9 kB
After compression 3.3 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 7.7 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 172 B

Original 394.9 kB
After minification 394.7 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. Up Front images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 196.0 kB

Original 259.6 kB
After minification 197.6 kB
After compression 63.6 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 196.0 kB or 75% of the original size.

CSS Optimization

-77%

Potential reduce by 8.3 kB

Original 10.9 kB
After minification 9.4 kB
After compression 2.5 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. Upfront.cz needs all CSS files to be minified and compressed as it can save up to 8.3 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Up Front. 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.

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

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

CS
Language Claimed

CS
Encoding

ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Upfront.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Upfront.cz main page’s claimed encoding is iso-8859-2. 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

upfront.cz

Open Graph description is not detected on the main page of Up Front. 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

UpFront | Web, multimédia, tisk

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)