Access sedia.co.jp. セキセイ株式会社 – セキセイ株式会社は創業1932年のファイリング・カンパニーです。ファイル・アルバム等の多彩な製品紹介および企業概要、名入れ製品のご案内をいたします。

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.365

29/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

sedia.co.jp

2065 ms

style.css

865 ms

menu.js

592 ms

smokescreen.0.1.3-min.js

2629 ms

ga.js

62 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 81% of them (62 requests) were addressed to the original Sedia.co.jp, 13% (10 requests) were made to Static.xx.fbcdn.net and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.7 sec) belongs to the original domain Sedia.co.jp.

Content Size

704.3 kB

After Optimization

461.6 kB

In fact, the total size of Sedia.co.jp main page is 704.3 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. 20% of websites need less resources to load. Images take 447.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 45.7 kB

Original 53.7 kB
After minification 42.6 kB
After compression 8.0 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. This page needs HTML code to be minified as it can gain 11.2 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 45.7 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 55.9 kB

Original 447.4 kB
After minification 391.4 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, Sedia needs image optimization as it can save up to 55.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 136.7 kB

Original 197.6 kB
After minification 197.5 kB
After compression 60.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 136.7 kB or 69% of the original size.

CSS Optimization

-78%

Potential reduce by 4.4 kB

Original 5.6 kB
After minification 3.9 kB
After compression 1.2 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. Sedia.co.jp needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 78% 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 Sedia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Form elements do not have associated labels

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>).

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

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 Sedia.co.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 Sedia.co.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

sedia.co.jp

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

セキセイ株式会社 – セキセイ株式会社は創業1932年のファイリング・カンパニーです。 ファイル・アルバム等の多彩な製品紹介および企業概要、名入れ製品のご案内をいたします。

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

sedia.co.jp

style.css

menu.js

smokescreen.0.1.3-min.js

ga.js

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

sedia.co.jp

style.css

menu.js

smokescreen.0.1.3-min.js

ga.js

icon_new.gif

bg.png

spacer.gif

header_right.png

logo.png

free_d.gif

header_left.png

index_button.png

product_button.png

shop_button.png

ordermade_button.png

eco_button.png

saiyou_button.png

idea_button.png

company_button.png

contact_button.png

praivacy_button.png

header_bottom.png

menu_td.png

2016web.jpg

new_product.png

spacer.gif

file_button.png

boxfile_button.png

bcase_button.png

oa_button.png

album_button.png

note_product.png

store_button.png

medical_button.png

gift_button.png

security_button.png

natural_button.png

order_button.png

rogo-type.gif

c25_logo_1.gif

bn_naniwaeco02.gif

__utm.gif

セキセイ株式会社 – セキセイ株式会社は創業1932年のファイリング・カンパニーです。ファイル・アルバム等の多彩な製品紹介および企業概要、名入れ製品のご案内をいたします。