Access 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

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

l-kobo.jp

350 ms

www.l-kobo.jp

397 ms

stl.css

336 ms

top.jpg

1672 ms

fb_logo.gif

397 ms

Our browser made a total of 73 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 (5.3 sec) belongs to the original domain L-kobo.jp.

Content Size

4.9 MB

After Optimization

4.9 MB

In fact, the total size of L-kobo.jp main page is 4.9 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. 45% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 15.7 kB

Original 21.3 kB
After minification 21.2 kB
After compression 5.6 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 15.7 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 17.3 kB

Original 4.9 MB
After minification 4.8 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

-85%

Potential reduce by 18.1 kB

Original 21.2 kB
After minification 15.2 kB
After compression 3.1 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 18.1 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 71 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 Issues

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.

High

Image elements do not have [alt] attributes

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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

l-kobo.jp

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

【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

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

l-kobo.jp

www.l-kobo.jp

stl.css

top.jpg

fb_logo.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

l-kobo.jp

www.l-kobo.jp

stl.css

top.jpg

fb_logo.gif

douga_logo.jpg

net_shop.jpg

otoiawase.jpg

sample_logo.jpg

blog_logo.jpg

oldblog_logo.jpg

tejyun_logo.jpg

about.jpg

kodawari_logo.jpg

ryoukin.jpg

secu_logo.jpg

c_win.jpg

facelift_logo.jpg

head_logo.jpg

tail_logo.jpg

opening_logo.jpg

other_logo.jpg

acl_logo.jpg

tensya_logo.jpg

flow_logo.jpg

tokucyu_unit.jpg

rubberseal.jpg

toraburu_logo.jpg

ketsuro.jpg

heikousya_logo.jpg

icrire_logo.jpg

teikouki_logo.jpg

ledkire_logo.jpg

syuuri_logo.jpg

toribia_logo.jpg

cyuui_logo.jpg

konpou_logo.jpg

hosyou_logo.jpg

0.jpg

0.jpg

0.jpg

0.jpg

0.jpg

0.jpg