Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

seishin-online.net

誠心オンライン・web紹介システム || 価値ある出会いをプロデュースする誠心のオンラインシステム

Page Load Speed

4.6 sec in total

First Response

1 sec

Resources Loaded

3.4 sec

Page Rendered

147 ms

seishin-online.net screenshot

About Website

Click here to check amazing Seishin Online content for Japan. Otherwise, check out these important facts you probably never knew about seishin-online.net

SEISHIN ONLINE SDS

Visit seishin-online.net

Key Findings

We analyzed Seishin-online.net page load time and found that the first response time was 1 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

seishin-online.net performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

seishin-online.net

1043 ms

L_base.css

193 ms

page_L.css

384 ms

page.js

677 ms

ss_150-58.js

960 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 88% of them (14 requests) were addressed to the original Seishin-online.net, 13% (2 requests) were made to Seal.securecore.co.jp. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Seishin-online.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.7 kB (20%)

Content Size

114.3 kB

After Optimization

91.7 kB

In fact, the total size of Seishin-online.net main page is 114.3 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. 15% of websites need less resources to load. Images take 91.6 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 4.1 kB

  • Original 6.7 kB
  • After minification 6.0 kB
  • After compression 2.5 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 4.1 kB or 62% of the original size.

Image Optimization

-6%

Potential reduce by 5.9 kB

  • Original 91.6 kB
  • After minification 85.7 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. Seishin Online images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 541 B

  • Original 976 B
  • After minification 852 B
  • After compression 435 B

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 541 B or 55% of the original size.

CSS Optimization

-80%

Potential reduce by 12.1 kB

  • Original 15.1 kB
  • After minification 10.4 kB
  • After compression 3.0 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. Seishin-online.net needs all CSS files to be minified and compressed as it can save up to 12.1 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seishin Online. According to our analytics all requests are already optimized.

Accessibility Review

seishin-online.net accessibility score

55

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

seishin-online.net best practices score

67

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

seishin-online.net SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 uses 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 Seishin-online.net 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 Seishin-online.net 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 Seishin Online. 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: