Analyze RC Guru - RC modely na dálkové ovládání

Kvalitní a prověřené RC modely za super ceny, to je RC Guru. RC auta, vrtulníky, kvadrokoptéry, hexakoptéry, tanky, letadla i lodě předních světových značek.

Page load speed analysis

  • 67/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    314 ms

  • Resources loaded

    2.6 sec

  • Page rendered

    364 ms

  • Total page load time

    3.3 sec

Visit now to see the best up-to-date RC Guru content for Czech Republic and also check out these interesting facts you probably never knew about

We analyzed page load time and found that the first response time was 314 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Page optimization

  • HTML 39.8 kB
    Images 644.8 kB
    Javascripts 620.3 kB
    CSS 150.0 kB

    In fact, the total size of main page is 1.5 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. 50% of websites need less resources to load. Images take 644.8 kB which makes up the majority of the site volume.

    • Original 39.8 kB
    • After minification 29.2 kB
    • After compression 8.3 kB

    HTML optimization

    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 10.6 kB, which is 27% 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 31.5 kB or 79% of the original size.

    • Original 644.8 kB
    • After optimization 639.4 kB

    Image optimization

    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 Guru images are well optimized though.

    • Original 620.3 kB
    • After minification 471.0 kB
    • After compression 137.9 kB

    JavaScript optimization

    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 482.3 kB or 78% of the original size.

    • Original 150.0 kB
    • After minification 116.0 kB
    • After compression 22.9 kB

    CSS optimization

    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. needs all CSS files to be minified and compressed as it can save up to 127.1 kB or 85% of the original size.

Network requests diagram

  • Aristo.css
  • frontend-common.css
  • frontend.css
  • jquery-1.9.1.js
  • jquery.cookie.js
  • jquery-ui-1.10.2.min.js
  • jquery.pathchange.js
  • socialite.min.js
  • kic8sia.js
  • Loader.js
  • frontend.js
  • basket_preview.js
  • basket_products.js
  • Pager.js
  • modernizr.custom.45499.js
  • plugins.js
  • jquery.ui.totop.min.js
  • main.js
  • jquery.cycle2.min.js
  • basket_listItem.js
  • basket_window.js
  • retargeting.js
  • conversion.js
  • analytics.js
  • logo-home-v3.png
  • ico-search.png
  • ico-cart.png
  • home-navi.png
  • 1sq-vcam.jpg
  • kvadrokoptera-cloud-jumper-rtf-d10828.jpg
  • walkera-qr-x350-pro-rtf-s-devo-f7-m2-fpv-kamera-ilook-gimbal-d10837-8.jpg
  • micro-rs4-ford-mustang-rtr-s-2-4ghz-rc-soupravou-kar-justin-pawlak-2.jpg
  • hpi-e10-drift-rtr-2013-ford-mustang-gittin-jr-2.jpg
  • wr8-flux-rtr-2-4-ghz-s-karoserii-ken-block-grc.jpg
  • 4st1480-m1-beta-1400-m1-rtf-4k-2-4ghz-brushless-d4521.jpg
  • 4st1484-m1-pioneer-rc-set-2-4ghz-m1-d5893.jpg
  • 264288-rtf-shark-mode-1-3.jpg
  • maxresdefault-250x140.jpg
  • rcguru-v2-250x154.png
  • zabeh-250x140.jpg
  • traxxas-monster-jam-1-10-maximum-destruction-rtr-d9962-4.jpg
  • lancia-stratos-darniche-1979-1-10-4wd-rtr-2-4-ghz-8.jpg
  • fiat-500-abarth-assetto-corse-1-9-rtr.jpg
  • vaterra-chevrolet-k-5-blazer-ascender-1-10-4wd-rtr-7.jpg
  • mjx-f-49-rtf-zluty.jpg
  • ax90032-hb.jpg
  • walkera-qr-x350-pro-rtf-s-devo-f7-m2-fpv-kamera-ilook-gimbal-d10837.jpg
  • axial-scx10-jeep-wrangler-rubicon-unlimited-4wd-rtr-d10731.jpg
  • footer-fb.png
  • footer-yt2.png
  • footer-gp.png
  • footer-tw.png
  • logo-white.png
  • retargeting
  • ico-scroll-top.png
  • yAfcqRaFmjNMnRh8F11xwHk5iwxBNozYXEPtmp9ohISffwxSggMmeMJ6Mk6g5Mb.woff
  • jbkcWQYVKqm-RA4OZt7ig5RwFL4PqyWUHcRe7_iFoo3ffF2SggMmeMJ6Mk6g5Mj.woff
  • 0Cwg5tARGRICBZybDc5dHUHN_tcxqUOWt4j2lKQ2hg3ffHPsgsMmeMJ6Mk6g5Mb.woff
  • HJh-7AbsBVe2NX3ZADCZXIlnFcZZpCc7wOz8RWWbJutff4kQgsMmeMJ6Mk6g5MS.woff
  • etDUsew4DPxMe_aWeCTm4tmGN5q_o5aPQ_-LGMccsqtffwRSggMmeMJ6Mk6g5Mt.woff
  • collect
  • collect
  • p.gif

Our browser made a total of 69 requests to load all elements on the main page. We found that 77% of them (53 requests) were addressed to the original, 10% (7 requests) were made to and 3% (2 requests) were made to The less responsive or slowest element that took the longest time to load (907 ms) belongs to the original domain

Additional info on


The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RC Guru. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address

This IP address is dedicated to This is the best domain hosting practice .

Good result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 1800
NS 3600
NS 3600
NS 3600
NS 3600

Language and encoding

Good result


CS cs language flag


CS cs language flag





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

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 84.5% of all visits is Czech Republic. Unfortunately, we cannot track the location of server and thus cannot define if the distance between their user base and server can potentially affect the page load time

Good result

Normal result

Social Sharing Optimization

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

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