Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

shimarisudo.com

自作/車載系LEDのことなら「しまりす堂」。LEDヘッドライトからLED単品・テープLED等、お探しのものはお気軽にどうぞ!!

Page Load Speed

3 sec in total

First Response

728 ms

Resources Loaded

2.1 sec

Page Rendered

157 ms

About Website

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

自作用LED・抵抗・CRD・フレキシブル基板・サイドビューLEDテープ・テープLED等、基本パーツから旬のものまでLED通販の「しまりす堂」へ!!　初心者の方に優しい、お手軽LED化の製品も豊富にご用意しています。HID・ハイフラキャンセラーまでワンストップ!

Visit shimarisudo.com

Key Findings

We analyzed Shimarisudo.com page load time and found that the first response time was 728 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

shimarisudo.com performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

shimarisudo.com

728 ms

table.css

344 ms

plusone.js

37 ms

ga.js

53 ms

cb=gapi.loaded_0

43 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 77% of them (20 requests) were addressed to the original Shimarisudo.com, 8% (2 requests) were made to Apis.google.com and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Shimarisudo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.1 kB (6%)

Content Size

585.3 kB

After Optimization

551.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shimarisudo.com main page is 585.3 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. 30% of websites need less resources to load. Images take 465.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.8 kB

  • Original 22.0 kB
  • After minification 19.7 kB
  • After compression 6.2 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 15.8 kB or 72% of the original size.

Image Optimization

-4%

Potential reduce by 18.1 kB

  • Original 465.0 kB
  • After minification 446.9 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. Shimarisudo images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 96 B

  • Original 98.0 kB
  • After minification 98.0 kB
  • After compression 97.9 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

-16%

Potential reduce by 49 B

  • Original 314 B
  • After minification 314 B
  • After compression 265 B

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. Shimarisudo.com needs all CSS files to be minified and compressed as it can save up to 49 B or 16% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

24

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shimarisudo. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

shimarisudo.com accessibility score

54

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

shimarisudo.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

shimarisudo.com SEO score

67

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

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 Shimarisudo.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 Shimarisudo.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 Shimarisudo. 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: