Tools & Wizards About Us
koyou-hoken.net screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

koyou-hoken.net

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Page Load Speed

3.7 sec in total

First Response

353 ms

Resources Loaded

3 sec

Page Rendered

369 ms

koyou-hoken.net screenshot

About Website

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Visit koyou-hoken.net

Key Findings

We analyzed Koyou-hoken.net page load time and found that the first response time was 353 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

koyou-hoken.net performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

koyou-hoken.net

353 ms

www.koyou-hoken.net

546 ms

roudou.css

312 ms

home.css

322 ms

onoff.js

331 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 79% of them (31 requests) were addressed to the original Koyou-hoken.net, 10% (4 requests) were made to Pagead2.googlesyndication.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Koyou-hoken.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.9 kB (50%)

Content Size

507.8 kB

After Optimization

253.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koyou-hoken.net main page is 507.8 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. Javascripts take 342.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 22.8 kB

  • Original 30.1 kB
  • After minification 26.9 kB
  • After compression 7.3 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 22.8 kB or 76% of the original size.

Image Optimization

-13%

Potential reduce by 17.4 kB

  • Original 133.2 kB
  • After minification 115.7 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. Obviously, Koyou Hoken needs image optimization as it can save up to 17.4 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

-62%

Potential reduce by 212.4 kB

  • Original 342.9 kB
  • After minification 342.7 kB
  • After compression 130.5 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 212.4 kB or 62% of the original size.

CSS Optimization

-79%

Potential reduce by 1.2 kB

  • Original 1.6 kB
  • After minification 1.3 kB
  • After compression 325 B

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. Koyou-hoken.net needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (64%)

Requests Now

28

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koyou Hoken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

koyou-hoken.net

koyou-hoken.net

353 ms

www.koyou-hoken.net

www.koyou-hoken.net

546 ms

roudou.css

roudou.css

312 ms

home.css

home.css

322 ms

onoff.js

onoff.js

331 ms

show_ads.js

show_ads.js

5 ms

urchin.js

urchin.js

8 ms

index01.gif

index01.gif

186 ms

index01a.gif

index01a.gif

318 ms

index02.gif

index02.gif

326 ms

index02a.gif

index02a.gif

330 ms

index03.gif

index03.gif

337 ms

index03a.gif

index03a.gif

344 ms

index04.gif

index04.gif

508 ms

index04a.gif

index04a.gif

629 ms

index05.gif

index05.gif

656 ms

index05a.gif

index05a.gif

663 ms

bg01.gif

bg01.gif

800 ms

title3.jpg

title3.jpg

1348 ms

t_back02.jpg

t_back02.jpg

854 ms

new1.gif

new1.gif

962 ms

arrow03.gif

arrow03.gif

963 ms

moji1.jpg

moji1.jpg

1861 ms

dot.gif

dot.gif

1102 ms

left_up.gif

left_up.gif

1185 ms

up.gif

up.gif

1273 ms

right_up.gif

right_up.gif

1288 ms

left.gif

left.gif

1459 ms

right.gif

right.gif

1514 ms

left_down.gif

left_down.gif

1601 ms

down.gif

down.gif

1617 ms

right_down.gif

right_down.gif

1675 ms

ca-pub-6446161331495676.js

ca-pub-6446161331495676.js

139 ms

zrt_lookup.html

zrt_lookup.html

41 ms

show_ads_impl.js

show_ads_impl.js

65 ms

line0001.jpg

line0001.jpg

1733 ms

__utm.gif

__utm.gif

21 ms

ads

ads

19 ms

osd.js

osd.js

8 ms

Accessibility Review

koyou-hoken.net accessibility score

73

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

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Best Practices

koyou-hoken.net best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

koyou-hoken.net SEO score

67

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koyou-hoken.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Koyou-hoken.net 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

koyou-hoken.net

Open Graph description is not detected on the main page of Koyou Hoken. 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: