Tools & Wizards About Us

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ele-lab.com

トップメニュー｜電子工作の知恵袋

Page Load Speed

7.2 sec in total

First Response

1.2 sec

Resources Loaded

5.8 sec

Page Rendered

266 ms

About Website

Welcome to ele-lab.com homepage info - get ready to check Ele Lab best content for Japan right away, or after learning these important things about ele-lab.com

電子回路とファームウエアの元プロエンジニアが、電子工作初心者から中級者を対象に「考え方」と「そうだったのか」を説明するエレラボドットコムの「電子工作の知恵袋」です。机上では気づきにくい現場で役立つポイントなど。

Visit ele-lab.com

Key Findings

We analyzed Ele-lab.com page load time and found that the first response time was 1.2 sec and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ele-lab.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

ele-lab.com

1150 ms

nso_style.css

2403 ms

MCommon.css

947 ms

gets.php

408 ms

ele-lab_top27a.gif

666 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 97% of them (31 requests) were addressed to the original Ele-lab.com, 3% (1 request) were made to Ac5.i2iserv.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Ele-lab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 223.3 kB (56%)

Content Size

401.6 kB

After Optimization

178.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ele-lab.com main page is 401.6 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. Only 10% of websites need less resources to load. CSS take 191.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 28.3 kB

  • Original 34.2 kB
  • After minification 31.9 kB
  • After compression 5.9 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 28.3 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 10.7 kB

  • Original 172.9 kB
  • After minification 162.3 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. Ele Lab images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 2.1 kB

  • Original 3.2 kB
  • After minification 2.7 kB
  • After compression 1.1 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 2.1 kB or 66% of the original size.

CSS Optimization

-95%

Potential reduce by 182.3 kB

  • Original 191.3 kB
  • After minification 146.9 kB
  • After compression 9.0 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. Ele-lab.com needs all CSS files to be minified and compressed as it can save up to 182.3 kB or 95% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

31

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ele Lab. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

ele-lab.com accessibility score

97

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

ele-lab.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ele-lab.com SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ele-lab.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Ele-lab.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Ele Lab. 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: