Report Summary

  • 72

    Performance

    Renders faster than
    83% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

yokotakeiki.co.jp

株式会社横田計器製作所 | YOKOTA KEIKI Manufacturing Company Limited

Page Load Speed

9.6 sec in total

First Response

2.4 sec

Resources Loaded

7 sec

Page Rendered

164 ms

yokotakeiki.co.jp screenshot

About Website

Click here to check amazing YOKOTA KEIKI content. Otherwise, check out these important facts you probably never knew about yokotakeiki.co.jp

株式会社横田計器製作所は、比重計、密度計、酒精計、特注比重計、浮ひょうなどの計測機器を扱う、東京都秋葉原にある会社です。

Visit yokotakeiki.co.jp

Key Findings

We analyzed Yokotakeiki.co.jp page load time and found that the first response time was 2.4 sec and then it took 7.2 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

yokotakeiki.co.jp performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

yokotakeiki.co.jp

2369 ms

common.css

430 ms

jquery.slider.css

357 ms

jquery-1.7.1.min.js

2976 ms

jquery.slider.js

677 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 Yokotakeiki.co.jp, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Yokotakeiki.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.4 kB (27%)

Content Size

311.4 kB

After Optimization

226.0 kB

In fact, the total size of Yokotakeiki.co.jp main page is 311.4 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. Only 10% of websites need less resources to load. Images take 171.7 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 7.6 kB

  • Original 11.1 kB
  • After minification 9.9 kB
  • After compression 3.5 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 1.2 kB, which is 11% 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 7.6 kB or 69% of the original size.

Image Optimization

-3%

Potential reduce by 5.4 kB

  • Original 171.7 kB
  • After minification 166.3 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. YOKOTA KEIKI images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 65.5 kB

  • Original 119.6 kB
  • After minification 117.1 kB
  • After compression 54.1 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 65.5 kB or 55% of the original size.

CSS Optimization

-75%

Potential reduce by 6.8 kB

  • Original 9.1 kB
  • After minification 7.0 kB
  • After compression 2.2 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. Yokotakeiki.co.jp needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of YOKOTA KEIKI. According to our analytics all requests are already optimized.

Accessibility Review

yokotakeiki.co.jp accessibility score

39

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.

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

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

yokotakeiki.co.jp best practices score

67

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

yokotakeiki.co.jp SEO score

58

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT-JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yokotakeiki.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 Yokotakeiki.co.jp 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

Open Graph description is not detected on the main page of YOKOTA KEIKI. 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: