Tools & Wizards About Us
electronics-notes.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

electronics-notes.com

Electronics Notes: reference site for electronics, radio & wireless

Page Load Speed

6 sec in total

First Response

271 ms

Resources Loaded

5.3 sec

Page Rendered

440 ms

electronics-notes.com screenshot

About Website

Welcome to electronics-notes.com homepage info - get ready to check Electronics Notes best content for India right away, or after learning these important things about electronics-notes.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 electronics-notes.com

Key Findings

We analyzed Electronics-notes.com page load time and found that the first response time was 271 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

electronics-notes.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value9,140 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value51.1 s

0/100

10%

Network Requests Diagram

electronics-notes.com

271 ms

www.electronics-notes.com

476 ms

www.electronics-notes.com

378 ms

style.complete.min.css

84 ms

gpt.js

255 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 16% of them (18 requests) were addressed to the original Electronics-notes.com, 14% (15 requests) were made to Pagead2.googlesyndication.com and 7% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Electronics-notes.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 108.3 kB (7%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Electronics-notes.com 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. 75% 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 928.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 54.1 kB

  • Original 68.2 kB
  • After minification 57.5 kB
  • After compression 14.1 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 10.7 kB, which is 16% 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

-1%

Potential reduce by 5.1 kB

  • Original 394.9 kB
  • After minification 389.8 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. Electronics Notes images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 48.6 kB

  • Original 928.3 kB
  • After minification 928.2 kB
  • After compression 879.7 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

-1%

Potential reduce by 553 B

  • Original 80.7 kB
  • After minification 80.7 kB
  • After compression 80.2 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. Electronics-notes.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 51 (52%)

Requests Now

98

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Electronics Notes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

electronics-notes.com

electronics-notes.com

271 ms

www.electronics-notes.com

www.electronics-notes.com

476 ms

www.electronics-notes.com

www.electronics-notes.com

378 ms

style.complete.min.css

style.complete.min.css

84 ms

gpt.js

gpt.js

255 ms

adsbygoogle.js

adsbygoogle.js

490 ms

adsbygoogle.js

adsbygoogle.js

1063 ms

widgets.js

widgets.js

52 ms

all.min.js

all.min.js

947 ms

MathJax.js

MathJax.js

58 ms

js

js

79 ms

js

js

125 ms

sddefault.jpg

sddefault.jpg

50 ms

jRqIDL8Twgw

jRqIDL8Twgw

99 ms

Nujy-q_BTB4

Nujy-q_BTB4

461 ms

platform.js

platform.js

88 ms

sddefault.jpg

sddefault.jpg

50 ms

sddefault.jpg

sddefault.jpg

47 ms

electronics-notes-2.png

electronics-notes-2.png

388 ms

seperator.png

seperator.png

893 ms

Ian-Poole.jpg

Ian-Poole.jpg

1235 ms

transistor-darlington-01-728x410.jpg

transistor-darlington-01-728x410.jpg

1225 ms

hdmi-type-a-connector-76C9B5B6-edited.jpg

hdmi-type-a-connector-76C9B5B6-edited.jpg

1234 ms

resistor-carbon-composition-1337-hp.jpg

resistor-carbon-composition-1337-hp.jpg

1225 ms

oscilloscope-usb-pico-with-screen-01.jpg

oscilloscope-usb-pico-with-screen-01.jpg

1234 ms

antenna-rhombic-concept-01.svg

antenna-rhombic-concept-01.svg

1225 ms

resistor-metal-film-selection-1370.jpg

resistor-metal-film-selection-1370.jpg

1663 ms

crystal-radio-detectors-cats-whisker-history-homepage-v2.jpg

crystal-radio-detectors-cats-whisker-history-homepage-v2.jpg

1663 ms

advertise-with-us.png

advertise-with-us.png

1663 ms

www-player.css

www-player.css

15 ms

www-embed-player.js

www-embed-player.js

33 ms

base.js

base.js

128 ms

ad_status.js

ad_status.js

972 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1251 ms

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

826 ms

embed.js

embed.js

361 ms

pubads_impl.js

pubads_impl.js

285 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

659 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

823 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

494 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

485 ms

ob.js

ob.js

557 ms

publishertag.ids.js

publishertag.ids.js

354 ms

encrypted-tag-g.js

encrypted-tag-g.js

791 ms

sync.min.js

sync.min.js

360 ms

esp.js

esp.js

360 ms

ads

ads

790 ms

container.html

container.html

339 ms

googlelogo_lightgrey_46x16dp.png

googlelogo_lightgrey_46x16dp.png

149 ms

settings

settings

635 ms

Create

Create

211 ms

Create

Create

399 ms

id

id

188 ms

map

map

325 ms

GenerateIT

GenerateIT

225 ms

GenerateIT

GenerateIT

105 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

96 ms

icon.png

icon.png

306 ms

abg_lite.js

abg_lite.js

308 ms

ufs_web_display.js

ufs_web_display.js

35 ms

container.html

container.html

299 ms

esp

esp

340 ms

ext.js

ext.js

71 ms

dcmads.js

dcmads.js

179 ms

icon.png

icon.png

72 ms

embeds

embeds

159 ms

icon.png

icon.png

139 ms

impl_v101.js

impl_v101.js

77 ms

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241 ms

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509 ms

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480 ms

sodar

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282 ms

container.html

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Accessibility Review

electronics-notes.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

electronics-notes.com best practices score

67

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

electronics-notes.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 Electronics-notes.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 Electronics-notes.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

electronics-notes.com

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