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rc-factory.cz screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

rc-factory.cz

RC Factory - RC Hobby Shop

Page Load Speed

5.2 sec in total

First Response

384 ms

Resources Loaded

4 sec

Page Rendered

763 ms

rc-factory.cz screenshot

About Website

Click here to check amazing RC Factory content. Otherwise, check out these important facts you probably never knew about rc-factory.cz

RC Factory -

Visit rc-factory.cz

Key Findings

We analyzed Rc-factory.cz page load time and found that the first response time was 384 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

rc-factory.cz performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.397

25/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

rc-factory.cz

384 ms

www.rc-factory.cz

1350 ms

min-frontend_config_css_8257553742d9a207b7b73cefee3ed6ed.css

394 ms

min-frontend_default_css_3930d3c3e92688432ee63a16f37531a0.css

297 ms

min-frontend_default_js_ada897a28d614a9e438c530511107c2e.js

596 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 93% of them (26 requests) were addressed to the original Rc-factory.cz, 4% (1 request) were made to Googletagmanager.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rc-factory.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.7 kB (9%)

Content Size

1.0 MB

After Optimization

927.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rc-factory.cz main page is 1.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 823.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 51.0 kB

  • Original 60.0 kB
  • After minification 44.5 kB
  • After compression 8.9 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 15.5 kB, which is 26% 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 51.0 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 41.2 kB

  • Original 823.3 kB
  • After minification 782.1 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. RC Factory images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.4 kB

  • Original 140.8 kB
  • After minification 140.8 kB
  • After compression 136.4 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.

Requests Breakdown

Number of requests can be reduced by 6 (26%)

Requests Now

23

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RC Factory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rc-factory.cz

rc-factory.cz

384 ms

www.rc-factory.cz

www.rc-factory.cz

1350 ms

min-frontend_config_css_8257553742d9a207b7b73cefee3ed6ed.css

min-frontend_config_css_8257553742d9a207b7b73cefee3ed6ed.css

394 ms

min-frontend_default_css_3930d3c3e92688432ee63a16f37531a0.css

min-frontend_default_css_3930d3c3e92688432ee63a16f37531a0.css

297 ms

min-frontend_default_js_ada897a28d614a9e438c530511107c2e.js

min-frontend_default_js_ada897a28d614a9e438c530511107c2e.js

596 ms

js

js

95 ms

css

css

43 ms

cookieconsent.js

cookieconsent.js

284 ms

cookieconsent-init.min.js

cookieconsent-init.min.js

298 ms

rc-top-logo.png

rc-top-logo.png

283 ms

5694-670_670.jpg

5694-670_670.jpg

574 ms

5666-670_670.jpg

5666-670_670.jpg

575 ms

5553-670_670.jpg

5553-670_670.jpg

573 ms

lazy.jpg

lazy.jpg

283 ms

footer-logo.png

footer-logo.png

296 ms

corner.png

corner.png

527 ms

arrow.png

arrow.png

540 ms

bg-footer.jpg

bg-footer.jpg

727 ms

icomoon.ttf

icomoon.ttf

738 ms

AvenirNextLTPro-It.otf

AvenirNextLTPro-It.otf

931 ms

AvenirNextLTPro-Regular.otf

AvenirNextLTPro-Regular.otf

938 ms

5676-fill-375_375.jpg

5676-fill-375_375.jpg

538 ms

5581-fill-375_375.jpg

5581-fill-375_375.jpg

543 ms

5473-fill-375_375.jpg

5473-fill-375_375.jpg

732 ms

5447-fill-375_375.jpg

5447-fill-375_375.jpg

810 ms

5151-fill-375_375.jpg

5151-fill-375_375.jpg

927 ms

5237-fill-375_375.png

5237-fill-375_375.png

1137 ms

min-frontend_default_css_a1988300a70c7bd69f92b9f0f41254bb.css

min-frontend_default_css_a1988300a70c7bd69f92b9f0f41254bb.css

102 ms

Accessibility Review

rc-factory.cz accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rc-factory.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rc-factory.cz SEO score

91

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses 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 Rc-factory.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 Rc-factory.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

rc-factory.cz

Open Graph data is detected on the main page of RC Factory. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: