Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

korisudo.com

LED SHOP こりす堂 by shimarisudo 自作LEDの通販ショップ! LEDテール/ストップ/ライト等の自作なら!!

Page Load Speed

5.3 sec in total

First Response

1.4 sec

Resources Loaded

3.6 sec

Page Rendered

367 ms

korisudo.com screenshot

About Website

Visit korisudo.com now to see the best up-to-date Korisudo content for Japan and also check out these interesting facts you probably never knew about korisudo.com

自作LEDを楽しむためのショップです!!「LEDで何か作りたい」を応援しています!! 個人ユーザー様はもちろん、企業様にもLED多数納品実績あります。信頼と実績を見てください!! 乗用車用LED/LEDライト/建築模型等のDIY自作LED関連電子部品/部材なら!! 日亜の高品質LED、ローコストなLED、チップLED、FluxLED、砲弾型LED・・・。発光ダイオードなら「こりす堂」にお任せです!...

Visit korisudo.com

Key Findings

We analyzed Korisudo.com page load time and found that the first response time was 1.4 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

korisudo.com performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

korisudo.com

1422 ms

cross-border-cart.css

334 ms

index.css

632 ms

jquery.min.js

34 ms

cart.js

315 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 12% of them (6 requests) were addressed to the original Korisudo.com, 42% (21 requests) were made to Img.shop-pro.jp and 38% (19 requests) were made to Img04.shop-pro.jp. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Img04.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.5 kB (19%)

Content Size

522.7 kB

After Optimization

421.2 kB

In fact, the total size of Korisudo.com main page is 522.7 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. 20% of websites need less resources to load. Images take 372.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 70.0 kB

  • Original 88.6 kB
  • After minification 85.8 kB
  • After compression 18.6 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 70.0 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 8.5 kB

  • Original 372.0 kB
  • After minification 363.5 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. Korisudo images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 7.3 kB

  • Original 43.5 kB
  • After minification 39.9 kB
  • After compression 36.2 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 7.3 kB or 17% of the original size.

CSS Optimization

-85%

Potential reduce by 15.8 kB

  • Original 18.6 kB
  • After minification 10.5 kB
  • After compression 2.9 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. Korisudo.com needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (49%)

Requests Now

49

After Optimization

25

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Korisudo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

korisudo.com accessibility score

61

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

korisudo.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

korisudo.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Korisudo.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 Korisudo.com main page’s claimed encoding is euc-jp. 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 data is detected on the main page of Korisudo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: