Access redcat.cz. RedCat | Poskytujeme služby v oblasti software, hardware a počítačových sítí s cílem dosáhnout Vaší ...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value3,410 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

www.redcat.cz

940 ms

bootstrap.css

196 ms

responsive.css

287 ms

camera.css

289 ms

style.css

285 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 53% of them (56 requests) were addressed to the original Redcat.cz, 33% (35 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (940 ms) belongs to the original domain Redcat.cz.

Content Size

852.4 kB

After Optimization

690.0 kB

In fact, the total size of Redcat.cz main page is 852.4 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. 70% of websites need less resources to load. Javascripts take 498.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 112.7 kB

Original 135.2 kB
After minification 126.3 kB
After compression 22.5 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 112.7 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 1.2 kB

Original 116.2 kB
After minification 115.0 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. Red Cat images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 24.6 kB

Original 498.7 kB
After minification 498.2 kB
After compression 474.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 24.0 kB

Original 102.4 kB
After minification 102.0 kB
After compression 78.4 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. Redcat.cz needs all CSS files to be minified and compressed as it can save up to 24.0 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Red Cat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

High

Page has valid source maps

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

CS
Language Claimed

CS
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Redcat.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 Redcat.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

redcat.cz

Open Graph description is not detected on the main page of Red Cat. 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

RedCat | Poskytujeme služby v oblasti software, hardware a počítačových sítí s cílem dosáhnout Vaší nedostižné konkurenční výhody.

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)

Network Requests Diagram

www.redcat.cz

bootstrap.css

responsive.css

camera.css

style.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.redcat.cz

bootstrap.css

responsive.css

camera.css

style.css

flexslider.css

owl.carousel.css

owl.theme.css

font-awesome.css

cherry-plugin.css

styles.css

main-style.css

magnific-popup.css

theme.css

bootstrap-grid.min.css

jquery-1.7.2.min.js

jquery.easing.1.3.js

jquery.elastislide.js

js

gtm4wp-form-move-tracker.js

jquery-migrate-1.2.1.min.js

swfobject.js

modernizr.js

jflickrfeed.js

custom.js

bootstrap.min.js

jquery.mobile.customized.min.js

jquery.flexslider-min.js

cherry-plugin.js

scripts.js

api.js

superfish.js

jquery.mobilemenu.js

jquery.magnific-popup.min.js

jplayer.playlist.min.js

jquery.jplayer.min.js

tmstickup.js

device.min.js

jquery.zaccordion.min.js

googlemaps-scrollprevent.min.js

d8e0562562430d19b62c0b1c95fc714a.js

googlemaps-scrollprevent.min.js

camera.min.js