Tools & Wizards About Us

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

teikokuweb.co.jp

【興信所・探偵なら帝国興信所】伝統と信頼の総合探偵社

Page Load Speed

7.9 sec in total

First Response

525 ms

Resources Loaded

7 sec

Page Rendered

345 ms

About Website

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

東京都渋谷区を拠点に全国対応。結婚調査、浮気調査、素行・行動調査、個人信用調査、家出・人探し調査などの相談は、昭和25年創業「伝統と信頼の総合探偵社 帝国興信所」へ。東京都公安委員会届出済。ご相談・お見積りは無料です。

Visit teikokuweb.co.jp

Key Findings

We analyzed Teikokuweb.co.jp page load time and found that the first response time was 525 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

teikokuweb.co.jp performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

Network Requests Diagram

teikokuweb.co.jp

525 ms

www.teikokuweb.co.jp

1016 ms

common.css

503 ms

contents.css

335 ms

page.css

662 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 90% of them (98 requests) were addressed to the original Teikokuweb.co.jp, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to T.adlpo.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Teikokuweb.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 867.5 kB (44%)

Content Size

2.0 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teikokuweb.co.jp main page is 2.0 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. 40% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.1 kB

  • Original 25.7 kB
  • After minification 23.8 kB
  • After compression 6.7 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 19.1 kB or 74% of the original size.

Image Optimization

-43%

Potential reduce by 735.0 kB

  • Original 1.7 MB
  • After minification 987.8 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, Teikokuweb needs image optimization as it can save up to 735.0 kB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 96.2 kB

  • Original 186.3 kB
  • After minification 181.9 kB
  • After compression 90.1 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 96.2 kB or 52% of the original size.

CSS Optimization

-80%

Potential reduce by 17.2 kB

  • Original 21.5 kB
  • After minification 17.3 kB
  • After compression 4.3 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. Teikokuweb.co.jp needs all CSS files to be minified and compressed as it can save up to 17.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (18%)

Requests Now

106

After Optimization

87

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teikokuweb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

teikokuweb.co.jp accessibility score

86

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

Internationalization and localization

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

Impact

Issue

High

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

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

teikokuweb.co.jp best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

teikokuweb.co.jp SEO score

92

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

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 Teikokuweb.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 Teikokuweb.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 Teikokuweb. 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: