Access tera-net.co.jp. 株式会社コーエイコンピューターシステム

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.582

11/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

tera-net.co.jp

581 ms

tera-net.co.jp

1528 ms

jquery-3.2.1.min.js

1216 ms

jquery.min.js

9 ms

base.css

524 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 85% of them (60 requests) were addressed to the original Tera-net.co.jp, 11% (8 requests) were made to Google.com and 3% (2 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Tera-net.co.jp.

Content Size

3.4 MB

After Optimization

3.1 MB

In fact, the total size of Tera-net.co.jp main page is 3.4 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. 50% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 100.3 kB

Original 122.2 kB
After minification 81.9 kB
After compression 21.9 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 40.3 kB, which is 33% 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 100.3 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 79.1 kB

Original 3.1 MB
After minification 3.0 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. Tera Net images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 77.7 kB

Original 148.7 kB
After minification 145.1 kB
After compression 71.0 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 77.7 kB or 52% of the original size.

CSS Optimization

-77%

Potential reduce by 13.8 kB

Original 17.9 kB
After minification 13.7 kB
After compression 4.1 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. Tera-net.co.jp needs all CSS files to be minified and compressed as it can save up to 13.8 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tera Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Tera-net.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 Tera-net.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

tera-net.co.jp

Open Graph description is not detected on the main page of Tera Net. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

株式会社コーエイコンピューターシステム｜｢食｣のソフトウェア開発･販売

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

tera-net.co.jp

tera-net.co.jp

jquery-3.2.1.min.js

jquery.min.js

base.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

tera-net.co.jp

tera-net.co.jp

jquery-3.2.1.min.js

jquery.min.js

base.css

top.css

news.css

about.css

product.css

recruit.css

contact.css

link.css

privacy.css

index2.js

top.js

news.js

product.js

recruit.js

contact.js

privacy.js

embed

embed

embed

embed

embed

kcs_logo.svg

white.jpg

01eibun.png

02hihumi.png

03ecare.png

04susume.png

201884_320_100.jpg

about_taisei.jpg

about_taisei_sp.jpg

about_step.jpg

eibun_prolite01.jpg

eibun_prolite02.jpg

eibun_prolite03.jpg

eibun_prolite04.jpg

eibun_prolite05.jpg

eibun_web01.jpg

eibun_web02.jpg

eibun_web03.jpg