6.5 sec in total
482 ms
5.5 sec
491 ms
Welcome to ednjapan.com homepage info - get ready to check EDN Japan best content for Japan right away, or after learning these important things about ednjapan.com
電子機器の設計・開発に役立つ技術や新製品の活用事例・手法を詳しく紹介する情報サイト。初心者向けに技術の仕組みを紹介する入門記事から、高度な設計テクニックを紹介する解説記事まで幅広く扱います。
Visit ednjapan.comWe analyzed Ednjapan.com page load time and found that the first response time was 482 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
ednjapan.com performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value8.8 s
2/100
25%
Value8.4 s
19/100
10%
Value920 ms
31/100
30%
Value0.048
99/100
15%
Value14.4 s
9/100
10%
482 ms
305 ms
303 ms
317 ms
320 ms
Our browser made a total of 166 requests to load all elements on the main page. We found that 12% of them (20 requests) were addressed to the original Ednjapan.com, 39% (64 requests) were made to Image.itmedia.co.jp and 15% (25 requests) were made to Dlv.itmedia.jp. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Image.itmedia.co.jp.
Page size can be reduced by 509.9 kB (38%)
1.3 MB
830.9 kB
In fact, the total size of Ednjapan.com main page is 1.3 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. 60% of websites need less resources to load. Images take 664.7 kB which makes up the majority of the site volume.
Potential reduce by 117.1 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. 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 117.1 kB or 82% of the original size.
Potential reduce by 13.2 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. EDN Japan images are well optimized though.
Potential reduce by 308.1 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 308.1 kB or 69% of the original size.
Potential reduce by 71.5 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. Ednjapan.com needs all CSS files to be minified and compressed as it can save up to 71.5 kB or 84% of the original size.
Number of requests can be reduced by 74 (45%)
164
90
The browser has sent 164 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EDN Japan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
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ednjapan.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
ednjapan.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
ednjapan.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document doesn't use legible font sizes
JA
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ednjapan.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Ednjapan.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.
ednjapan.com
Open Graph data is detected on the main page of EDN Japan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: