Access css-holdings.jp. 株式会社CSSホールディングス

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value23.2 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.52

15/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

css-holdings.jp

512 ms

css-holdings.jp

845 ms

common.css

493 ms

font-awesome.css

28 ms

notosansjapanese.css

40 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 20% of them (17 requests) were addressed to the original Css-holdings.jp, 54% (47 requests) were made to Pdf.irpocket.com and 10% (9 requests) were made to Irpocket.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Pdf.irpocket.com.

Content Size

21.2 MB

After Optimization

20.3 MB

In fact, the total size of Css-holdings.jp main page is 21.2 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. 55% of websites need less resources to load. Images take 20.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 37.6 kB

Original 46.6 kB
After minification 45.0 kB
After compression 9.0 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 37.6 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 701.0 kB

Original 20.9 MB
After minification 20.2 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. Css Holdings images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 97.0 kB

Original 164.4 kB
After minification 138.7 kB
After compression 67.3 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 97.0 kB or 59% of the original size.

CSS Optimization

-81%

Potential reduce by 38.8 kB

Original 48.1 kB
After minification 40.5 kB
After compression 9.3 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. Css-holdings.jp needs all CSS files to be minified and compressed as it can save up to 38.8 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Css Holdings. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS 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

Buttons do not have an accessible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

High

Links are not crawlable

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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Css-holdings.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 Css-holdings.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

css-holdings.jp

Open Graph data is detected on the main page of Css Holdings. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

株式会社CSSホールディングス

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

css-holdings.jp

css-holdings.jp

common.css

font-awesome.css

notosansjapanese.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

css-holdings.jp

css-holdings.jp

common.css

font-awesome.css

notosansjapanese.css

css

style_r202207.css

logo.png

jquery.min.js

scripts.js

jquery.matchHeight-min.js

scrollreveal.min.js

common.scrollreveal.js

styleswitcher.js

loader_r202207.js

slick.css

slick-theme.css

slick.min.js

akusesushogai20220721.PNG

idx_img01.png

idx_img02.png

idx_img03.png

idx_img04.png

config_r202207.js

utils_r202207.js

main_r202207.js

NotoSansJP-Regular.woff

NotoSansJP-Medium.woff

NotoSansJP-DemiLight.woff

NotoSansJP-Light.woff

NotoSansJP-Thin.woff

NotoSansJP-Bold.woff

NotoSansJP-Black.woff

fontawesome-webfont.woff

size_m.css

ir-carousel-all.js

size_l.css

ogvf.jpg

release-irnews-latest-5.js

CK5p.jpg

oovI.png

kzCe.jpg

YIoV.jpg