Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

kaisu.jp

KAISU BLOG

Page Load Speed

4.5 sec in total

First Response

550 ms

Resources Loaded

3.9 sec

Page Rendered

119 ms

kaisu.jp screenshot

About Website

Visit kaisu.jp now to see the best up-to-date KAISU content for Japan and also check out these interesting facts you probably never knew about kaisu.jp

Visit kaisu.jp

Key Findings

We analyzed Kaisu.jp page load time and found that the first response time was 550 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kaisu.jp performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value5.4 s

57/100

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

kaisu.jp

550 ms

kaisu.jp

2018 ms

style.min.css

204 ms

style.min.css

401 ms

style.css

865 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Kaisu.jp, 5% (1 request) were made to Ajax.googleapis.com and 5% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Kaisu.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 236.4 kB (61%)

Content Size

389.8 kB

After Optimization

153.3 kB

In fact, the total size of Kaisu.jp main page is 389.8 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. HTML takes 233.1 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 210.1 kB

  • Original 233.1 kB
  • After minification 231.5 kB
  • After compression 23.0 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 210.1 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 34.1 kB
  • After minification 34.1 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. KAISU images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 841 B

  • Original 37.4 kB
  • After minification 37.0 kB
  • After compression 36.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-30%

Potential reduce by 25.5 kB

  • Original 85.1 kB
  • After minification 84.3 kB
  • After compression 59.6 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. Kaisu.jp needs all CSS files to be minified and compressed as it can save up to 25.5 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (78%)

Requests Now

18

After Optimization

4

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KAISU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kaisu.jp accessibility score

100

Accessibility Issues

Best Practices

kaisu.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kaisu.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 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 Kaisu.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 Kaisu.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 KAISU. 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: