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astel.co.jp screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

astel.co.jp

アステル | 株式会社アステル

Page Load Speed

4.2 sec in total

First Response

512 ms

Resources Loaded

3.5 sec

Page Rendered

107 ms

astel.co.jp screenshot

About Website

Welcome to astel.co.jp homepage info - get ready to check Astel best content right away, or after learning these important things about astel.co.jp

放送・業務機器の保守メンテナンスから設計・管理・コールセンター業務まで。映像・音響機器、民生機器・家電製品、レトロなビデオデッキ(β・VHS・8ミリ)、ラジカセの修理も。東京都品川区。木更津市には工場も完備。またオリジナル製品の介護機器、健康食品などの通信販売も行っています。

Visit astel.co.jp

Key Findings

We analyzed Astel.co.jp page load time and found that the first response time was 512 ms and then it took 3.7 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

astel.co.jp performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.181

67/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

astel.co.jp

512 ms

www.astel.co.jp

895 ms

style.css

178 ms

fixmenu.css

354 ms

openclose.js

511 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 93% of them (13 requests) were addressed to the original Astel.co.jp, 7% (1 request) were made to Translate.google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Astel.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 448.4 kB (83%)

Content Size

539.2 kB

After Optimization

90.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astel.co.jp main page is 539.2 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 521.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.4 kB

  • Original 7.9 kB
  • After minification 7.0 kB
  • After compression 2.5 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 903 B, 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 5.4 kB or 69% of the original size.

Image Optimization

-84%

Potential reduce by 438.3 kB

  • Original 521.9 kB
  • After minification 83.6 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. Obviously, Astel needs image optimization as it can save up to 438.3 kB or 84% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-37%

Potential reduce by 1.1 kB

  • Original 2.8 kB
  • After minification 2.8 kB
  • After compression 1.8 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 1.1 kB or 37% of the original size.

CSS Optimization

-56%

Potential reduce by 3.7 kB

  • Original 6.6 kB
  • After minification 6.6 kB
  • After compression 2.9 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. Astel.co.jp needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (25%)

Requests Now

12

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

astel.co.jp

astel.co.jp

512 ms

www.astel.co.jp

www.astel.co.jp

895 ms

style.css

style.css

178 ms

fixmenu.css

fixmenu.css

354 ms

openclose.js

openclose.js

511 ms

ddmenu_min.js

ddmenu_min.js

515 ms

fixmenu.js

fixmenu.js

515 ms

element.js

element.js

39 ms

mainimg.jpg

mainimg.jpg

176 ms

logo.png

logo.png

1622 ms

icon_menu.png

icon_menu.png

190 ms

cate1.jpg

cate1.jpg

341 ms

cate2.jpg

cate2.jpg

343 ms

mark_hatena_question_illust_901.png

mark_hatena_question_illust_901.png

350 ms

Accessibility Review

astel.co.jp accessibility score

94

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

Best Practices

astel.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

astel.co.jp SEO score

100

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

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 Astel.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 Astel.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

astel.co.jp

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