Report Summary

  • 45

    Performance

    Renders faster than
    65% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 94

    SEO

    Google-friendlier than
    91% of websites

kiw.co.jp

株式会社 北川鉄工所 kitagawa キタガワ トップページ

Page Load Speed

16.5 sec in total

First Response

1 sec

Resources Loaded

15 sec

Page Rendered

403 ms

kiw.co.jp screenshot

About Website

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

株式会社北川鉄工所は建設機械、産業機械、工作機器、鋳造鋳物、住宅建物、立体駐車場などさまざまな分野に展開している製造メーカーです。

Visit kiw.co.jp

Key Findings

We analyzed Kiw.co.jp page load time and found that the first response time was 1 sec and then it took 15.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kiw.co.jp performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value40.7 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value36.3 s

0/100

10%

Network Requests Diagram

kiw.co.jp

1021 ms

normalize.css

376 ms

common.css

792 ms

top.css

400 ms

media.css

463 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 96% of them (110 requests) were addressed to the original Kiw.co.jp, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (6.9 sec) belongs to the original domain Kiw.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 316.5 kB (18%)

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Kiw.co.jp main page is 1.8 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. 30% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 28.1 kB

  • Original 35.1 kB
  • After minification 28.8 kB
  • After compression 7.1 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. This page needs HTML code to be minified as it can gain 6.4 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 28.1 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 178.3 kB

  • Original 1.6 MB
  • After minification 1.4 MB

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, Kiw needs image optimization as it can save up to 178.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 80.3 kB

  • Original 136.5 kB
  • After minification 127.8 kB
  • After compression 56.1 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 80.3 kB or 59% of the original size.

CSS Optimization

-83%

Potential reduce by 29.9 kB

  • Original 36.1 kB
  • After minification 22.7 kB
  • After compression 6.3 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. Kiw.co.jp needs all CSS files to be minified and compressed as it can save up to 29.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (11%)

Requests Now

112

After Optimization

100

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kiw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kiw.co.jp accessibility score

79

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

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

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

kiw.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kiw.co.jp SEO score

94

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 Kiw.co.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 Kiw.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 Kiw. 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: