Access dretec.co.jp. 株式会社ドリテック - デジタルスケール、タイマー、電気ケトル、体重計などの製造・販売

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value1,470 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

dretec.co.jp

501 ms

dretec.co.jp

841 ms

gtm.js

77 ms

ots_chatbot_for_iframe.js

928 ms

view-58218f874ee3fe77acf712e83cc70611.css

655 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 83% of them (77 requests) were addressed to the original Dretec.co.jp, 4% (4 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Chat.tayoreru.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Dretec.co.jp.

Content Size

11.3 MB

After Optimization

10.9 MB

In fact, the total size of Dretec.co.jp main page is 11.3 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. 55% of websites need less resources to load. Images take 10.6 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 172.0 kB

Original 188.3 kB
After minification 141.1 kB
After compression 16.3 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 47.3 kB, which is 25% 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 172.0 kB or 91% of the original size.

Image Optimization

-1%

Potential reduce by 73.2 kB

Original 10.6 MB
After minification 10.6 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. Dretec images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 53.7 kB

Original 313.0 kB
After minification 310.1 kB
After compression 259.3 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 53.7 kB or 17% of the original size.

CSS Optimization

-54%

Potential reduce by 73.0 kB

Original 136.1 kB
After minification 82.9 kB
After compression 63.1 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. Dretec.co.jp needs all CSS files to be minified and compressed as it can save up to 73.0 kB or 54% of the original size.

Requests Now

After Optimization

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dretec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 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>).

High

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

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

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

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

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

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

dretec.co.jp

Open Graph description is not detected on the main page of Dretec. 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

株式会社ドリテック - デジタルスケール、タイマー、電気ケトル、体重計などの製造・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

dretec.co.jp

dretec.co.jp

gtm.js

ots_chatbot_for_iframe.js

view-58218f874ee3fe77acf712e83cc70611.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

dretec.co.jp

dretec.co.jp

gtm.js

ots_chatbot_for_iframe.js

view-58218f874ee3fe77acf712e83cc70611.css

all.css

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