Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

sei-info.co.jp

ホーム | 住友電工情報システム株式会社

Page Load Speed

9.4 sec in total

First Response

579 ms

Resources Loaded

8.5 sec

Page Rendered

330 ms

sei-info.co.jp screenshot

About Website

Welcome to sei-info.co.jp homepage info - get ready to check Sei Info best content for Japan right away, or after learning these important things about sei-info.co.jp

住友電工情報システムは、Webアプリケーション開発ツール、ワークフローシステム、文書管理システム、購買管理システム、エンタープライズサーチ、Excel業務効率化ツール、IT資産/セキュリティ統合管理システムなど先進のソフトウェア製品を自社開発・純国産パッケージで提供します。

Visit sei-info.co.jp

Key Findings

We analyzed Sei-info.co.jp page load time and found that the first response time was 579 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize Sei-info.co.jp rating and web reputation

Performance Metrics

sei-info.co.jp performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.745

6/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

sei-info.co.jp

579 ms

www.sei-info.co.jp

909 ms

228 ms

724 ms

348 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 96% of them (101 requests) were addressed to the original Sei-info.co.jp, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Sei-info.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 429.6 kB (12%)

Content Size

3.7 MB

After Optimization

3.2 MB

In fact, the total size of Sei-info.co.jp main page is 3.7 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. 30% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 26.8 kB

  • Original 33.3 kB
  • After minification 30.2 kB
  • After compression 6.4 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 26.8 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 370.7 kB

  • Original 3.6 MB
  • After minification 3.2 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. Sei Info images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (29%)

Requests Now

100

After Optimization

71

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sei Info. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sei-info.co.jp accessibility score

82

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Names and labels

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.

Impact

Issue

High

Links do not have a discernible name

Best Practices

sei-info.co.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sei-info.co.jp SEO score

91

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sei-info.co.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 Sei-info.co.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

Open Graph description is not detected on the main page of Sei Info. 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: