Access leatherworks.jp. レザークラフト革材料通販販売のレザーワークス

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.116

85/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

leatherworks.jp

1055 ms

indexcss.css

1092 ms

index_title2014.jpg

1608 ms

indexleftmenu01.jpg

1292 ms

indexleftmenu03.jpg

1165 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that all of those requests were addressed to Leatherworks.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Leatherworks.jp.

Content Size

897.9 kB

After Optimization

648.1 kB

In fact, the total size of Leatherworks.jp main page is 897.9 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. 35% of websites need less resources to load. Images take 853.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 36.4 kB

Original 44.7 kB
After minification 40.2 kB
After compression 8.3 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 36.4 kB or 81% of the original size.

Image Optimization

-25%

Potential reduce by 213.4 kB

Original 853.2 kB
After minification 639.8 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. Obviously, Leatherworks needs image optimization as it can save up to 213.4 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-19%

Potential reduce by 10 B

Original 52 B
After minification 42 B
After compression 42 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. Leatherworks.jp needs all CSS files to be minified and compressed as it can save up to 10 B or 19% of the original size.

Requests Now

102

After Optimization

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leatherworks. 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 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

High

Links do not have a discernible name

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

N/A
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leatherworks.jp 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 Leatherworks.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

leatherworks.jp

Open Graph description is not detected on the main page of Leatherworks. 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

レザークラフト革材料通販販売のレザーワークス

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

leatherworks.jp

indexcss.css

index_title2014.jpg

indexleftmenu01.jpg

indexleftmenu03.jpg

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

leatherworks.jp

indexcss.css

index_title2014.jpg

indexleftmenu01.jpg

indexleftmenu03.jpg

subtitle101.gif

subtitle102.gif

subtitle103.gif

subtitle109.gif

subtitle110.gif

subtitle108.gif

subtitle105.gif

subtitle106.gif

subtitle107.gif

indexleftmenu05.jpg

indexleftmenu07.jpg

IMG_5759ss.jpg

BTW361ss.JPG

IMG_6079.JPG

IMG_touring60.jpg

BTS152ss.JPG

1280_IMG_4657ss.jpg

yuuhou008.jpg

IMG_5987ss.jpg

BPC152CMss.JPG

800px_IMG_5935ss.jpg

IMG_5880ss.jpg

BAZ102RDss.jpg

outlet60.jpg

TAC201601ss.jpg

IMG_3351ss.jpg

IMG_5608ss.jpg

BTW207ss.jpg

IMG_5556ss.jpg

BGY103CMss.jpg

IMG_5559ss.jpg

IMG_5138800ss.jpg

IMG_5148ss.jpg

13-008SS.JPG

IMG_5003sss.jpg

IMG_4908ss.jpg

ssIMG_9815_567.jpg

CIMG1807.jpg

60_IMG_4701.jpg