Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    94% of websites

l-kobo.jp

【L-kobo】ヘッドライト、テールライトの加工、移植、修理、シーケンシャルウインカー加工専門店のエルコボ

Page Load Speed

5.4 sec in total

First Response

512 ms

Resources Loaded

4.2 sec

Page Rendered

719 ms

l-kobo.jp screenshot

About Website

Click here to check amazing L Kobo content for Japan. Otherwise, check out these important facts you probably never knew about l-kobo.jp

2005年開業のライト加工ブームの先駆け店!ヘッドライト、テールランプの加工は経験豊富なl-koboにお任せ。レーザー加工機、3D加工機でハイレベルなアクリル加工を行っております。有名イベント車、ショーカーも多数製作。

Visit l-kobo.jp

Key Findings

We analyzed L-kobo.jp page load time and found that the first response time was 512 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

l-kobo.jp performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

l-kobo.jp

512 ms

www.l-kobo.jp

1405 ms

stl.css

483 ms

top.jpg

1136 ms

fb_logo.gif

397 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to L-kobo.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain L-kobo.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.5 kB (6%)

Content Size

1.1 MB

After Optimization

1.0 MB

In fact, the total size of L-kobo.jp main page is 1.1 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. 40% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.1 kB

  • Original 20.9 kB
  • After minification 20.8 kB
  • After compression 5.8 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 15.1 kB or 72% of the original size.

Image Optimization

-3%

Potential reduce by 35.1 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. L Kobo images are well optimized though.

CSS Optimization

-84%

Potential reduce by 15.4 kB

  • Original 18.3 kB
  • After minification 12.7 kB
  • After compression 3.0 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. L-kobo.jp needs all CSS files to be minified and compressed as it can save up to 15.4 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

47

After Optimization

47

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of L Kobo. According to our analytics all requests are already optimized.

Accessibility Review

l-kobo.jp accessibility score

100

Accessibility Issues

Best Practices

l-kobo.jp 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

SEO Factors

l-kobo.jp SEO score

99

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise L-kobo.jp 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 L-kobo.jp 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 L Kobo. 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: