Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

yanegiken.co.jp

太陽光架台なら株式会社屋根技術研究所 | 愛知、高浜、名古屋の屋根リフォームや太陽光発電販売、架台、屋根副資材開発

Page Load Speed

24.3 sec in total

First Response

2.4 sec

Resources Loaded

20.9 sec

Page Rendered

949 ms

About Website

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

株式会社屋根技術研究所は愛知県高浜市にある太陽光発電システムを瓦屋根に設置する工法の開発、各種取付架台の開発・製造・販売を行う会社です。屋根を通じて防災と環境に配慮した魅力ある商品を提供するための屋根ステージを創造する「プロフェッショナル集団」です。伝統を守りつつ、暮らしを豊かにするためのイノベーションを追究し続けています。

Visit yanegiken.co.jp

Key Findings

We analyzed Yanegiken.co.jp page load time and found that the first response time was 2.4 sec and then it took 21.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

yanegiken.co.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value40.1 s

0/100

25%

SI (Speed Index)

Value40.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

www.yanegiken.co.jp

2410 ms

gtm.js

81 ms

wp-emoji-release.min.js

665 ms

style.min.css

835 ms

style.css

679 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 85% of them (93 requests) were addressed to the original Yanegiken.co.jp, 5% (5 requests) were made to Google.com and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (7.5 sec) belongs to the original domain Yanegiken.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 342.4 kB (5%)

Content Size

6.9 MB

After Optimization

6.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yanegiken.co.jp main page is 6.9 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. 60% of websites need less resources to load. Images take 6.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 88.0 kB

  • Original 101.3 kB
  • After minification 95.1 kB
  • After compression 13.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 88.0 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 202.1 kB

  • Original 6.5 MB
  • After minification 6.3 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. Yanegiken images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.1 kB

  • Original 194.3 kB
  • After minification 194.3 kB
  • After compression 188.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-44%

Potential reduce by 46.2 kB

  • Original 105.6 kB
  • After minification 93.1 kB
  • After compression 59.4 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. Yanegiken.co.jp needs all CSS files to be minified and compressed as it can save up to 46.2 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (27%)

Requests Now

105

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yanegiken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

yanegiken.co.jp accessibility score

86

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

Image elements do not have [alt] attributes

Best Practices

yanegiken.co.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

yanegiken.co.jp SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Yanegiken.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 Yanegiken.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 Yanegiken. 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: