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rtlsdr.com screenshot

Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

rtlsdr.com

RTLSDR.com | All about Realtek RTL2832U based RTL-SDRs

Page Load Speed

4.1 sec in total

First Response

847 ms

Resources Loaded

2.5 sec

Page Rendered

710 ms

rtlsdr.com screenshot

About Website

Click here to check amazing RTLSDR content for Russia. Otherwise, check out these important facts you probably never knew about rtlsdr.com

RTL-SDR is a cheap software defined radio that uses a DVB-T TV tuner dongle based on the RTL2832U chipset.

Visit rtlsdr.com

Key Findings

We analyzed Rtlsdr.com page load time and found that the first response time was 847 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

rtlsdr.com performance score

0

Network Requests Diagram

www.rtlsdr.com

847 ms

style.css

69 ms

default.css

67 ms

custom.css

66 ms

bbpress.css

71 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 42% of them (43 requests) were addressed to the original Rtlsdr.com, 15% (15 requests) were made to Apis.google.com and 7% (7 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (847 ms) belongs to the original domain Rtlsdr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.5 kB (38%)

Content Size

586.4 kB

After Optimization

363.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rtlsdr.com main page is 586.4 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 216.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 78.2 kB

  • Original 97.1 kB
  • After minification 96.5 kB
  • After compression 18.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 78.2 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 5.1 kB

  • Original 216.2 kB
  • After minification 211.1 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. RTLSDR images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 87.2 kB

  • Original 210.1 kB
  • After minification 204.9 kB
  • After compression 122.9 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 87.2 kB or 41% of the original size.

CSS Optimization

-83%

Potential reduce by 52.0 kB

  • Original 62.9 kB
  • After minification 50.0 kB
  • After compression 10.9 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. Rtlsdr.com needs all CSS files to be minified and compressed as it can save up to 52.0 kB or 83% of the original size.

Requests Breakdown

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

Requests Now

100

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RTLSDR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.rtlsdr.com

www.rtlsdr.com

847 ms

style.css

style.css

69 ms

default.css

default.css

67 ms

custom.css

custom.css

66 ms

bbpress.css

bbpress.css

71 ms

styles.css

styles.css

67 ms

jquery.min.js

jquery.min.js

99 ms

amazon-lightbox.js

amazon-lightbox.js

98 ms

superfish.js

superfish.js

95 ms

custom.js

custom.js

97 ms

widgets.js

widgets.js

9 ms

plusone.js

plusone.js

98 ms

index.php

index.php

353 ms

amazon-lightbox.css

amazon-lightbox.css

95 ms

adsbygoogle.js

adsbygoogle.js

30 ms

editor.js

editor.js

94 ms

jquery.form.min.js

jquery.form.min.js

142 ms

scripts.js

scripts.js

142 ms

reset.css

reset.css

61 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

8 ms

icon-search.gif

icon-search.gif

31 ms

ca-pub-8519065285157868.js

ca-pub-8519065285157868.js

117 ms

zrt_lookup.html

zrt_lookup.html

105 ms

show_ads_impl.js

show_ads_impl.js

45 ms

ir

ir

24 ms

445eb81d43da4bb6d04bfb4d67bedd92

445eb81d43da4bb6d04bfb4d67bedd92

102 ms

nsa-200x200.jpg

nsa-200x200.jpg

95 ms

transparent.png

transparent.png

96 ms

spectrumanalyzerrtlsdr-200x200.jpg

spectrumanalyzerrtlsdr-200x200.jpg

96 ms

aismon-200x200.jpg

aismon-200x200.jpg

93 ms

icon-comment.png

icon-comment.png

90 ms

REDHAWK_ScreenShot_scaled-1-150x79.png

REDHAWK_ScreenShot_scaled-1-150x79.png

94 ms

nsa-150x108.jpg

nsa-150x108.jpg

97 ms

spectrumanalyzerrtlsdr-150x112.jpg

spectrumanalyzerrtlsdr-150x112.jpg

96 ms

aismon-150x130.jpg

aismon-150x130.jpg

98 ms

opencpn-300x201-1.jpg

opencpn-300x201-1.jpg

106 ms

NOAA_logo-150x150.jpg

NOAA_logo-150x150.jpg

97 ms

noaa18-processed-small-300x231.jpg

noaa18-processed-small-300x231.jpg

106 ms

hillbillysatellitetracking-150x112.jpg

hillbillysatellitetracking-150x112.jpg

104 ms

hillbillysatellitetracking2-225x300.jpg

hillbillysatellitetracking2-225x300.jpg

126 ms

REDHAWK_ScreenShot_scaled-1-42x42.jpg

REDHAWK_ScreenShot_scaled-1-42x42.jpg

106 ms

nsa-42x42.jpg

nsa-42x42.jpg

106 ms

spectrumanalyzerrtlsdr-42x42.jpg

spectrumanalyzerrtlsdr-42x42.jpg

125 ms

aismon-42x42.jpg

aismon-42x42.jpg

145 ms

ir

ir

17 ms

ads

ads

259 ms

icon-bullet.png

icon-bullet.png

61 ms

like.php

like.php

269 ms

ad516503a11cd5ca435acc9bb6523536

ad516503a11cd5ca435acc9bb6523536

50 ms

like.php

like.php

325 ms

like.php

like.php

391 ms

like.php

like.php

532 ms

osd.js

osd.js

24 ms

ad516503a11cd5ca435acc9bb6523536

ad516503a11cd5ca435acc9bb6523536

83 ms

ads

ads

244 ms

icon-arrow-right.png

icon-arrow-right.png

66 ms

icon-twitter.png

icon-twitter.png

65 ms

icon-facebook.png

icon-facebook.png

65 ms

icon-rss.png

icon-rss.png

65 ms

icon-email.png

icon-email.png

65 ms

ad516503a11cd5ca435acc9bb6523536

ad516503a11cd5ca435acc9bb6523536

64 ms

ad516503a11cd5ca435acc9bb6523536

ad516503a11cd5ca435acc9bb6523536

123 ms

like.php

like.php

505 ms

ads

ads

235 ms

like.php

like.php

484 ms

ads

ads

306 ms

dot.png

dot.png

67 ms

ico-footer-rss.png

ico-footer-rss.png

67 ms

count.js

count.js

173 ms

analytics.js

analytics.js

79 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

164 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

72 ms

fastbutton

fastbutton

161 ms

fastbutton

fastbutton

185 ms

fastbutton

fastbutton

149 ms

fastbutton

fastbutton

149 ms

fastbutton

fastbutton

326 ms

fastbutton

fastbutton

141 ms

fastbutton

fastbutton

189 ms

ads

ads

385 ms

like.php

like.php

376 ms

collect

collect

76 ms

postmessageRelay

postmessageRelay

263 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

507 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

539 ms

count-data.js

count-data.js

192 ms

abg.js

abg.js

298 ms

rs=AGLTcCPp65oTnX7XI_ISus95mcUHkH7hXw

rs=AGLTcCPp65oTnX7XI_ISus95mcUHkH7hXw

121 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

80 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

159 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

162 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

134 ms

rpc:shindig_random.js

rpc:shindig_random.js

123 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

187 ms

m_js_controller.js

m_js_controller.js

93 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

140 ms

17013349648600926362

17013349648600926362

119 ms

x_button_blue2.png

x_button_blue2.png

60 ms

s

s

45 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

43 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

5 ms

jot.html

jot.html

7 ms

SEO Factors

rtlsdr.com SEO score

0

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 Rtlsdr.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 Rtlsdr.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

rtlsdr.com

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