Tools & Wizards About Us
jishin-yohou.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

jishin-yohou.com

はじめに - ＰＨＰ新書「地震予報」フォローページ

Page Load Speed

2.9 sec in total

First Response

776 ms

Resources Loaded

2 sec

Page Rendered

127 ms

jishin-yohou.com screenshot

About Website

Welcome to jishin-yohou.com homepage info - get ready to check Jishin Yohou best content for Japan right away, or after learning these important things about jishin-yohou.com

２０１２年１１月に発刊したＰＨＰ新書「地震予報」（串田嘉男著）ホームページ。著書に書かれた「長期継続前兆」について、その後の情報を簡単に伝えるために、著者の監修の下開設しました。

Visit jishin-yohou.com

Key Findings

We analyzed Jishin-yohou.com page load time and found that the first response time was 776 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

jishin-yohou.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

jishin-yohou.com

776 ms

02_white_h2_0020.css

842 ms

logo004.png

694 ms

logo_sitetitle.png

726 ms

logo008.png

349 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Jishin-yohou.com and no external sources were called. The less responsive or slowest element that took the longest time to load (842 ms) belongs to the original domain Jishin-yohou.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.9 kB (38%)

Content Size

105.2 kB

After Optimization

65.3 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Jishin-yohou.com main page is 105.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 67.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.6 kB

  • Original 8.3 kB
  • After minification 8.1 kB
  • After compression 2.8 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 5.6 kB or 67% of the original size.

Image Optimization

-12%

Potential reduce by 8.3 kB

  • Original 67.7 kB
  • After minification 59.4 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, Jishin Yohou needs image optimization as it can save up to 8.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-89%

Potential reduce by 26.0 kB

  • Original 29.2 kB
  • After minification 26.7 kB
  • After compression 3.2 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. Jishin-yohou.com needs all CSS files to be minified and compressed as it can save up to 26.0 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jishin Yohou. According to our analytics all requests are already optimized.

Network Requests Diagram

jishin-yohou.com

jishin-yohou.com

776 ms

02_white_h2_0020.css

02_white_h2_0020.css

842 ms

logo004.png

logo004.png

694 ms

logo_sitetitle.png

logo_sitetitle.png

726 ms

logo008.png

logo008.png

349 ms

new_big.png

new_big.png

361 ms

-1_2.jpg

-1_2.jpg

382 ms

jyi01twoshot_2_2_2.jpg

jyi01twoshot_2_2_2.jpg

522 ms

h2_0020.jpg

h2_0020.jpg

554 ms

0003_01_01.png

0003_01_01.png

170 ms

0003_01_03.png

0003_01_03.png

175 ms

0003_01_02.png

0003_01_02.png

175 ms

Accessibility Review

jishin-yohou.com accessibility score

90

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

jishin-yohou.com best practices score

75

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

SEO Factors

jishin-yohou.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jishin-yohou.com 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 Jishin-yohou.com 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

jishin-yohou.com

Open Graph description is not detected on the main page of Jishin Yohou. 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: