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os-rc.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

os-rc.com

Page Load Speed

10.7 sec in total

First Response

677 ms

Resources Loaded

9.9 sec

Page Rendered

162 ms

os-rc.com screenshot

About Website

Welcome to os-rc.com homepage info - get ready to check Os Rc best content right away, or after learning these important things about os-rc.com

Open Source Remote Control system that can do anything. FPV flight, UAV control, robot manipulation as well as many other applications can be achieved through just one, completely modular system.

Visit os-rc.com

Key Findings

We analyzed Os-rc.com page load time and found that the first response time was 677 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

os-rc.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

os-rc.com

677 ms

633 ms

18a0bd5378d20f169817de1aa0df84bb.js

1064 ms

system.css

583 ms

general.css

580 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 62% of them (65 requests) were addressed to the original Os-rc.com, 17% (18 requests) were made to Platform.twitter.com and 8% (8 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Os-rc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.2 kB (12%)

Content Size

769.1 kB

After Optimization

677.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Os-rc.com main page is 769.1 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. 65% of websites need less resources to load. Images take 495.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 55.9 kB

  • Original 70.4 kB
  • After minification 60.7 kB
  • After compression 14.6 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 9.8 kB, which is 14% 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 55.9 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 21.8 kB

  • Original 495.9 kB
  • After minification 474.1 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. Os Rc images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 7.0 kB

  • Original 170.5 kB
  • After minification 170.5 kB
  • After compression 163.5 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

-20%

Potential reduce by 6.5 kB

  • Original 32.3 kB
  • After minification 32.3 kB
  • After compression 25.8 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. Os-rc.com needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (71%)

Requests Now

98

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Os Rc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

os-rc.com

os-rc.com

677 ms

633 ms

18a0bd5378d20f169817de1aa0df84bb.js

18a0bd5378d20f169817de1aa0df84bb.js

1064 ms

system.css

system.css

583 ms

general.css

general.css

580 ms

base.css

base.css

544 ms

template.css

template.css

567 ms

typography.css

typography.css

582 ms

megamenu.css

megamenu.css

1125 ms

kunenalatest.css

kunenalatest.css

1119 ms

style.css

style.css

1563 ms

9488ad0e78288888c0d8365b3e7ec0d6.css

9488ad0e78288888c0d8365b3e7ec0d6.css

1284 ms

95677bcfeb6916b055b045fafbf30a71.css

95677bcfeb6916b055b045fafbf30a71.css

1336 ms

template.css

template.css

2274 ms

mootools-core.js

mootools-core.js

2542 ms

core.js

core.js

3292 ms

caption.js

caption.js

3294 ms

mootools-more.js

mootools-more.js

3813 ms

yt-script.js

yt-script.js

3291 ms

showbox.js

showbox.js

4309 ms

megalib.js

megalib.js

4284 ms

validate.js

validate.js

4288 ms

system.css

system.css

3228 ms

menustyle.css

menustyle.css

2452 ms

jshover.css

jshover.css

3206 ms

megamenu-components.css

megamenu-components.css

3212 ms

css

css

38 ms

css

css

55 ms

css

css

62 ms

css

css

60 ms

css

css

62 ms

css

css

60 ms

css

css

62 ms

css

css

22 ms

ga.js

ga.js

9 ms

88x31.png

88x31.png

81 ms

os-rc.com

os-rc.com

79 ms

en.gif

en.gif

947 ms

el.gif

el.gif

941 ms

ru.gif

ru.gif

528 ms

logo.png

logo.png

913 ms

Open-source-hardware-logo.jpg

Open-source-hardware-logo.jpg

1436 ms

website.png

website.png

1195 ms

fb_icon_325x325.png

fb_icon_325x325.png

1072 ms

avatar.jpg

avatar.jpg

1467 ms

no_avatar.png

no_avatar.png

1482 ms

logo_128x50.png

logo_128x50.png

1481 ms

vios.png

vios.png

1607 ms

oshw-logo_50x50_white.png

oshw-logo_50x50_white.png

1734 ms

title-login-bg.png

title-login-bg.png

1956 ms

all.js

all.js

28 ms

__utm.gif

__utm.gif

49 ms

menuwrap-bg.gif

menuwrap-bg.gif

1987 ms

arrow.png

arrow.png

2013 ms

search-btn.png

search-btn.png

1993 ms

dot1.png

dot1.png

2144 ms

all.js

all.js

6 ms

osrc_main_v2_slide1.jpg

osrc_main_v2_slide1.jpg

1730 ms

osrc_main_v2_slide2.jpg

osrc_main_v2_slide2.jpg

2843 ms

osrc_main_v2_slide3.jpg

osrc_main_v2_slide3.jpg

3131 ms

pattern.png

pattern.png

2276 ms

arrowleft.png

arrowleft.png

2500 ms

dot.png

dot.png

2501 ms

arrowright.png

arrowright.png

2520 ms

95677bcfeb6916b055b045fafbf30a71.css

95677bcfeb6916b055b045fafbf30a71.css

2015 ms

65 ms

88x31.png

88x31.png

84 ms

BngSUXNadjH0qYEzV7ab-oWlsbg95AiFW_g.ttf

BngSUXNadjH0qYEzV7ab-oWlsbg95AiFW_g.ttf

64 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

64 ms

dottedpattern.png

dottedpattern.png

2534 ms

1ee54f7a19a85d4610aff324257dfe28.png

1ee54f7a19a85d4610aff324257dfe28.png

2629 ms

jizfRExUiTo99u79B_mh0O6tKA.ttf

jizfRExUiTo99u79B_mh0O6tKA.ttf

70 ms

jizaRExUiTo99u79D0KEwA.ttf

jizaRExUiTo99u79D0KEwA.ttf

69 ms

af61d199c382fe558ccf72bad7fbf053.png

af61d199c382fe558ccf72bad7fbf053.png

2780 ms

arrowleft.png

arrowleft.png

2980 ms

arrowright.png

arrowright.png

3012 ms

9488ad0e78288888c0d8365b3e7ec0d6.css

9488ad0e78288888c0d8365b3e7ec0d6.css

2477 ms

icons-sprites-silk.png

icons-sprites-silk.png

3069 ms

download-big.png

download-big.png

3065 ms

widgets.js

widgets.js

68 ms

spotlight3-bg.gif

spotlight3-bg.gif

3828 ms

icon-facebook.png

icon-facebook.png

3820 ms

icon-twitter.png

icon-twitter.png

4019 ms

switch-modes.png

switch-modes.png

4024 ms

cd0d02da97235386a8882f98ecdad360.png

cd0d02da97235386a8882f98ecdad360.png

4023 ms

black70.png

black70.png

4046 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

142 ms

settings

settings

99 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

22 ms

OSFlyerWiz

OSFlyerWiz

148 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

30 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

59 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

83 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

92 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

114 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

119 ms

_buildManifest.js

_buildManifest.js

129 ms

_ssgManifest.js

_ssgManifest.js

129 ms

8526.0c32a8f0cfc5749221a3.js

8526.0c32a8f0cfc5749221a3.js

22 ms

1755.07a49c40b12af4f75780.js

1755.07a49c40b12af4f75780.js

19 ms

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22 ms

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3077.44bfeb00af01bc4020f6.js

36 ms

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46 ms

4956.c4e51ef593974b9db0bb.js

4956.c4e51ef593974b9db0bb.js

60 ms

5893.d500bd2a89ded806aa73.js

5893.d500bd2a89ded806aa73.js

26 ms

Accessibility Review

os-rc.com accessibility score

96

Accessibility Issues

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Definition list items are not wrapped in <dl> elements

Best Practices

os-rc.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

os-rc.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Os-rc.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Os-rc.com 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

os-rc.com

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