Tools & Wizards About Us
radio-electronics.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

radio-electronics.com

Electronics Notes: reference site for electronics, radio & wireless

Page Load Speed

5 sec in total

First Response

284 ms

Resources Loaded

4.4 sec

Page Rendered

328 ms

radio-electronics.com screenshot

About Website

Visit radio-electronics.com now to see the best up-to-date Radio Electronics content for India and also check out these interesting facts you probably never knew about radio-electronics.com

Now incorporating the best of Radio-Electronics.com, Electronics Notes offers basic radio & electronics tutorials to learn electronics online as well as practical construction techniques and technolog...

Visit radio-electronics.com

Key Findings

We analyzed Radio-electronics.com page load time and found that the first response time was 284 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

radio-electronics.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value18.4 s

0/100

10%

TBT (Total Blocking Time)

Value6,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value45.7 s

0/100

10%

Network Requests Diagram

radio-electronics.com

284 ms

electronics-notes.com

271 ms

www.electronics-notes.com

194 ms

www.electronics-notes.com

387 ms

style.complete.min.css

88 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Radio-electronics.com, 17% (18 requests) were made to Electronics-notes.com and 14% (14 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Electronics-notes.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 220.4 kB (12%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radio-electronics.com main page is 1.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 56.5 kB

  • Original 71.7 kB
  • After minification 61.2 kB
  • After compression 15.1 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 10.5 kB, which is 15% 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 56.5 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 4.9 kB

  • Original 289.1 kB
  • After minification 284.2 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. Radio Electronics images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 158.4 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 1.3 MB

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 158.4 kB or 11% of the original size.

CSS Optimization

-1%

Potential reduce by 553 B

  • Original 79.5 kB
  • After minification 79.5 kB
  • After compression 79.0 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. Radio-electronics.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 52 (58%)

Requests Now

89

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Electronics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

radio-electronics.com

radio-electronics.com

284 ms

electronics-notes.com

electronics-notes.com

271 ms

www.electronics-notes.com

www.electronics-notes.com

194 ms

www.electronics-notes.com

www.electronics-notes.com

387 ms

style.complete.min.css

style.complete.min.css

88 ms

gpt.js

gpt.js

111 ms

adsbygoogle.js

adsbygoogle.js

145 ms

adsbygoogle.js

adsbygoogle.js

243 ms

all.min.js

all.min.js

432 ms

MathJax.js

MathJax.js

51 ms

js

js

61 ms

js

js

141 ms

sddefault.jpg

sddefault.jpg

146 ms

4wWAkAWQTpM

4wWAkAWQTpM

144 ms

f_LW0jeQ28M

f_LW0jeQ28M

420 ms

platform.js

platform.js

321 ms

sddefault.jpg

sddefault.jpg

318 ms

sddefault.jpg

sddefault.jpg

413 ms

electronics-notes-2.png

electronics-notes-2.png

678 ms

seperator.png

seperator.png

679 ms

Ian-Poole.jpg

Ian-Poole.jpg

677 ms

oscilloscope-probe-x10-compensation-adjustment-waveforms-02-728x410.jpg

oscilloscope-probe-x10-compensation-adjustment-waveforms-02-728x410.jpg

678 ms

soldering-iron-workstation-antex-690D.jpg

soldering-iron-workstation-antex-690D.jpg

677 ms

superheterodyne-receiver-block-diagram-01-728x410.jpg

superheterodyne-receiver-block-diagram-01-728x410.jpg

1338 ms

circuit-symbol-exclusive-or-xor.svg

circuit-symbol-exclusive-or-xor.svg

1338 ms

sony-minidisc-open-5896.jpg

sony-minidisc-open-5896.jpg

1338 ms

vinyl-record-pickup-stylus-close-up-4547.jpg

vinyl-record-pickup-stylus-close-up-4547.jpg

1339 ms

magnetic-detector-01-344x180.jpg

magnetic-detector-01-344x180.jpg

1339 ms

advertise-with-us.png

advertise-with-us.png

1339 ms

pubads_impl.js

pubads_impl.js

122 ms

show_ads_impl.js

show_ads_impl.js

384 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1886 ms

www-player.css

www-player.css

283 ms

www-embed-player.js

www-embed-player.js

300 ms

base.js

base.js

667 ms

esp.js

esp.js

433 ms

uid2SecureSignal.js

uid2SecureSignal.js

411 ms

pubcid.min.js

pubcid.min.js

377 ms

sync.min.js

sync.min.js

436 ms

encrypted-tag-g.js

encrypted-tag-g.js

1035 ms

esp.js

esp.js

435 ms

ob.js

ob.js

495 ms

publishertag.ids.js

publishertag.ids.js

409 ms

ads

ads

1060 ms

container.html

container.html

373 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

323 ms

js

js

244 ms

analytics.js

analytics.js

968 ms

zrt_lookup.html

zrt_lookup.html

736 ms

googlelogo_lightgrey_46x16dp.png

googlelogo_lightgrey_46x16dp.png

835 ms

ads

ads

820 ms

ads

ads

1376 ms

map

map

1308 ms

ad_status.js

ad_status.js

1073 ms

-sl_4GkofMt_H_bvRs6t01E-DbjcnPa7m-Ys7BhvNi8.js

-sl_4GkofMt_H_bvRs6t01E-DbjcnPa7m-Ys7BhvNi8.js

306 ms

embed.js

embed.js

255 ms

abg_lite.js

abg_lite.js

789 ms

ufs_web_display.js

ufs_web_display.js

456 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

777 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

823 ms

icon.png

icon.png

677 ms

ext.js

ext.js

729 ms

icon.png

icon.png

61 ms

dcmads.js

dcmads.js

697 ms

icon.png

icon.png

505 ms

collect

collect

532 ms

ca-pub-2603569892487793

ca-pub-2603569892487793

804 ms

slotcar_library.js

slotcar_library.js

462 ms

id

id

174 ms

Create

Create

118 ms

Create

Create

364 ms

esp

esp

55 ms

collect

collect

124 ms

icon.png

icon.png

99 ms

ga-audiences

ga-audiences

296 ms

impl_v101.js

impl_v101.js

217 ms

pd

pd

240 ms

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131 ms

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290 ms

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278 ms

GenerateIT

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104 ms

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107 ms

activeview

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Q12zgMmT.js

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openx

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59 ms

Accessibility Review

radio-electronics.com accessibility score

80

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

radio-electronics.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

radio-electronics.com SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radio-electronics.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Radio-electronics.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

radio-electronics.com

Open Graph description is not detected on the main page of Radio Electronics. 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: