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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 89% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

os-rc.com

OSRC Home Page

Page Load Speed

5.3 sec in total

First Response

1.1 sec

Resources Loaded

3.9 sec

Page Rendered

290 ms

os-rc.com screenshot

About Website

Welcome to os-rc.com homepage info - get ready to check OSRC 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 1.1 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

os-rc.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value17.1 s

1/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

1106 ms

82412aa08d240161aabf52ad47ff87db.js

772 ms

system.css

266 ms

general.css

269 ms

base.css

274 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 65% of them (64 requests) were addressed to the original Os-rc.com, 8% (8 requests) were made to Fonts.googleapis.com and 5% (5 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Os-rc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 467.9 kB (39%)

Content Size

1.2 MB

After Optimization

720.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Os-rc.com main page is 1.2 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. 55% of websites need less resources to load. Images take 579.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 54.1 kB

  • Original 68.1 kB
  • After minification 58.3 kB
  • After compression 14.0 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 54.1 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 18.6 kB

  • Original 579.3 kB
  • After minification 560.6 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. OSRC images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 261.9 kB

  • Original 383.6 kB
  • After minification 372.0 kB
  • After compression 121.8 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 261.9 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 133.3 kB

  • Original 157.8 kB
  • After minification 126.9 kB
  • After compression 24.5 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. Os-rc.com needs all CSS files to be minified and compressed as it can save up to 133.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (63%)

Requests Now

94

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSRC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

1106 ms

82412aa08d240161aabf52ad47ff87db.js

82412aa08d240161aabf52ad47ff87db.js

772 ms

system.css

system.css

266 ms

general.css

general.css

269 ms

base.css

base.css

274 ms

template.css

template.css

898 ms

typography.css

typography.css

529 ms

megamenu.css

megamenu.css

412 ms

kunenalatest.css

kunenalatest.css

411 ms

style.css

style.css

537 ms

9488ad0e78288888c0d8365b3e7ec0d6.css

9488ad0e78288888c0d8365b3e7ec0d6.css

683 ms

95677bcfeb6916b055b045fafbf30a71.css

95677bcfeb6916b055b045fafbf30a71.css

553 ms

template.css

template.css

661 ms

mootools-core.js

mootools-core.js

1129 ms

core.js

core.js

691 ms

caption.js

caption.js

797 ms

mootools-more.js

mootools-more.js

1500 ms

yt-script.js

yt-script.js

828 ms

showbox.js

showbox.js

898 ms

megalib.js

megalib.js

1055 ms

validate.js

validate.js

964 ms

system.css

system.css

244 ms

menustyle.css

menustyle.css

237 ms

jshover.css

jshover.css

314 ms

megamenu-components.css

megamenu-components.css

366 ms

css

css

69 ms

css

css

81 ms

css

css

93 ms

css

css

97 ms

css

css

98 ms

css

css

98 ms

css

css

99 ms

css

css

100 ms

ga.js

ga.js

12 ms

os-rc.com

os-rc.com

94 ms

en.gif

en.gif

162 ms

el.gif

el.gif

162 ms

ru.gif

ru.gif

162 ms

logo.png

logo.png

162 ms

Open-source-hardware-logo.jpg

Open-source-hardware-logo.jpg

400 ms

website.png

website.png

569 ms

fb_icon_325x325.png

fb_icon_325x325.png

309 ms

avatar.jpg

avatar.jpg

307 ms

no_avatar.png

no_avatar.png

305 ms

logo_128x50.png

logo_128x50.png

307 ms

vios.png

vios.png

400 ms

oshw-logo_50x50_white.png

oshw-logo_50x50_white.png

423 ms

all.js

all.js

270 ms

title-login-bg.png

title-login-bg.png

421 ms

88x31.png

88x31.png

49 ms

__utm.gif

__utm.gif

17 ms

menuwrap-bg.gif

menuwrap-bg.gif

380 ms

arrow.png

arrow.png

521 ms

search-btn.png

search-btn.png

521 ms

dot1.png

dot1.png

513 ms

osrc_main_v2_slide1.jpg

osrc_main_v2_slide1.jpg

716 ms

osrc_main_v2_slide2.jpg

osrc_main_v2_slide2.jpg

683 ms

osrc_main_v2_slide3.jpg

osrc_main_v2_slide3.jpg

842 ms

pattern.png

pattern.png

521 ms

arrowleft.png

arrowleft.png

521 ms

dot.png

dot.png

631 ms

arrowright.png

arrowright.png

625 ms

95677bcfeb6916b055b045fafbf30a71.css

95677bcfeb6916b055b045fafbf30a71.css

631 ms

Q_pTky3Sc3ubRibGToTAYjnFfol0SnfBMmbnmUK0fZM.ttf

Q_pTky3Sc3ubRibGToTAYjnFfol0SnfBMmbnmUK0fZM.ttf

87 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

64 ms

dottedpattern.png

dottedpattern.png

619 ms

c985ef73c2e0d741b70216571f33ad28.png

c985ef73c2e0d741b70216571f33ad28.png

621 ms

e6e0f32f8d3d8c6bd55d82d3007e7b9b.png

e6e0f32f8d3d8c6bd55d82d3007e7b9b.png

607 ms

arrowleft.png

arrowleft.png

725 ms

arrowright.png

arrowright.png

736 ms

0XxGQsSc1g4rdRdjJKZrNC3USBnSvpkopQaUR-2r7iU.ttf

0XxGQsSc1g4rdRdjJKZrNC3USBnSvpkopQaUR-2r7iU.ttf

69 ms

FUDHvzEKSJww3kCxuiAo2A.ttf

FUDHvzEKSJww3kCxuiAo2A.ttf

68 ms

9488ad0e78288888c0d8365b3e7ec0d6.css

9488ad0e78288888c0d8365b3e7ec0d6.css

728 ms

icons-sprites-silk.png

icons-sprites-silk.png

720 ms

download-big.png

download-big.png

721 ms

widgets.js

widgets.js

49 ms

spotlight3-bg.gif

spotlight3-bg.gif

696 ms

icon-facebook.png

icon-facebook.png

806 ms

icon-twitter.png

icon-twitter.png

824 ms

switch-modes.png

switch-modes.png

822 ms

2f1ae0a5f30351f5b34f7a940004e330.png

2f1ae0a5f30351f5b34f7a940004e330.png

829 ms

black70.png

black70.png

830 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

18 ms

syndication

syndication

128 ms

351001736669954050

351001736669954050

187 ms

137 ms

xd_arbiter.php

xd_arbiter.php

253 ms

xd_arbiter.php

xd_arbiter.php

445 ms

proxy.jpg

proxy.jpg

132 ms

proxy.jpg

proxy.jpg

134 ms

proxy.jpg

proxy.jpg

126 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

5 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

8 ms

eYl1XbkX_normal.jpeg

eYl1XbkX_normal.jpeg

118 ms

Mv4fgDci_normal.jpg

Mv4fgDci_normal.jpg

18 ms

syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css

syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css

119 ms

syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css

syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css

126 ms

proxy.jpg

proxy.jpg

36 ms

jot.html

jot.html

2 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

69

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

High

Issues were logged in the Issues panel in Chrome Devtools

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 OSRC. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: