Tools & Wizards About Us
rc-modelar.cz screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

rc-modelar.cz

RC-Modelář

Page Load Speed

2.7 sec in total

First Response

486 ms

Resources Loaded

2.1 sec

Page Rendered

103 ms

rc-modelar.cz screenshot

About Website

Visit rc-modelar.cz now to see the best up-to-date RC Modelar content and also check out these interesting facts you probably never knew about rc-modelar.cz

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Key Findings

We analyzed Rc-modelar.cz page load time and found that the first response time was 486 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rc-modelar.cz performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

rc-modelar.cz

486 ms

www.rc-modelar.cz

611 ms

global.css

97 ms

tools.js

192 ms

jquery-1.2.6.pack.js

377 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Rc-modelar.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (611 ms) belongs to the original domain Rc-modelar.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.2 kB (30%)

Content Size

164.8 kB

After Optimization

114.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rc-modelar.cz main page is 164.8 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. 20% of websites need less resources to load. Images take 68.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 27.6 kB

  • Original 35.3 kB
  • After minification 29.0 kB
  • After compression 7.6 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 6.3 kB, which is 18% 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 27.6 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 3.0 kB

  • Original 68.7 kB
  • After minification 65.7 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. RC Modelar images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 13.1 kB

  • Original 42.8 kB
  • After minification 41.5 kB
  • After compression 29.7 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 13.1 kB or 31% of the original size.

CSS Optimization

-36%

Potential reduce by 6.5 kB

  • Original 18.0 kB
  • After minification 17.9 kB
  • After compression 11.5 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. Rc-modelar.cz needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (48%)

Requests Now

48

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RC Modelar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 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-modelar.cz

rc-modelar.cz

486 ms

www.rc-modelar.cz

www.rc-modelar.cz

611 ms

global.css

global.css

97 ms

tools.js

tools.js

192 ms

jquery-1.2.6.pack.js

jquery-1.2.6.pack.js

377 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

284 ms

jquery.hotkeys-0.7.8-packed.js

jquery.hotkeys-0.7.8-packed.js

283 ms

jquery.autocomplete.css

jquery.autocomplete.css

284 ms

jquery.autocomplete.js

jquery.autocomplete.js

285 ms

cookies.css

cookies.css

295 ms

gdpr.css

gdpr.css

383 ms

treeManagement.js

treeManagement.js

393 ms

iutil.prestashop-modifications.js

iutil.prestashop-modifications.js

394 ms

ifxtransfer.js

ifxtransfer.js

393 ms

ajax-cart.js

ajax-cart.js

401 ms

cookies.js

cookies.js

469 ms

logo.jpg

logo.jpg

98 ms

contact.gif

contact.gif

94 ms

sitemap.gif

sitemap.gif

95 ms

block_search_bg.jpg

block_search_bg.jpg

95 ms

search.gif

search.gif

104 ms

button-medium.gif

button-medium.gif

176 ms

cart.gif

cart.gif

184 ms

my-account.gif

my-account.gif

188 ms

homepage_logo.jpg

homepage_logo.jpg

282 ms

turnigy-nano-tech-4000mah-3s-2550c-li-pol.jpg

turnigy-nano-tech-4000mah-3s-2550c-li-pol.jpg

189 ms

turnigy-accucel-6-80w-10a-nabijec-vybijec-balancer.jpg

turnigy-accucel-6-80w-10a-nabijec-vybijec-balancer.jpg

212 ms

turnigy-nano-tech-2200mah-3s-25c-li-pol-.jpg

turnigy-nano-tech-2200mah-3s-25c-li-pol-.jpg

270 ms

turnigy-airsoft-nano-tech-1200mah-3s-2550c-li-pol.jpg

turnigy-airsoft-nano-tech-1200mah-3s-2550c-li-pol.jpg

278 ms

hextronik-hxt900.jpg

hextronik-hxt900.jpg

283 ms

turnigy-airsoft-nano-tech-1200mah-2s-2550c-li-pol.jpg

turnigy-airsoft-nano-tech-1200mah-2s-2550c-li-pol.jpg

284 ms

nabijec-li-pol-li-ion-baterii-2s-74v-1a-usb.jpg

nabijec-li-pol-li-ion-baterii-2s-74v-1a-usb.jpg

310 ms

konektor-xt60-s-domeckem-par.jpg

konektor-xt60-s-domeckem-par.jpg

364 ms

meric-uhlu-nabehu-rotorovych-listu-400-500.jpg

meric-uhlu-nabehu-rotorovych-listu-400-500.jpg

371 ms

block_footer.gif

block_footer.gif

367 ms

block_header.gif

block_header.gif

368 ms

block_bg.jpg

block_bg.jpg

369 ms

button-mini.gif

button-mini.gif

393 ms

block_header_large.gif

block_header_large.gif

454 ms

button-medium_exclusive.gif

button-medium_exclusive.gif

455 ms

block_exclusive_footer.jpg

block_exclusive_footer.jpg

443 ms

block_header_exclusive_cart.gif

block_header_exclusive_cart.gif

443 ms

sort_desc_white.gif

sort_desc_white.gif

443 ms

sort_asc_white.gif

sort_asc_white.gif

480 ms

block_exclusive_bg.jpg

block_exclusive_bg.jpg

535 ms

block_header_exclusive.gif

block_header_exclusive.gif

536 ms

cart.php

cart.php

515 ms

button-large_exclusive.gif

button-large_exclusive.gif

480 ms

button-large.gif

button-large.gif

479 ms

more.gif

more.gif

526 ms

Accessibility Review

rc-modelar.cz accessibility score

65

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

Internationalization and localization

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

Impact

Issue

High

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

High

<html> element does not have a valid value for its [lang] attribute.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

rc-modelar.cz best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rc-modelar.cz 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

    CS

  • Language Claimed

    CZ

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rc-modelar.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Rc-modelar.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-modelar.cz

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