Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

alldenka.jp

太陽電化JP - 全国施工店検索・見積ができる日本最大の太陽光発電・オール電化情報サイト

Page Load Speed

10.7 sec in total

First Response

2.6 sec

Resources Loaded

7.9 sec

Page Rendered

233 ms

alldenka.jp screenshot

About Website

Visit alldenka.jp now to see the best up-to-date Alldenka content for Japan and also check out these interesting facts you probably never knew about alldenka.jp

日本最大のオール電化情報サイト。施工店2000店以上が登録。会社情報、所在地、地図、施工実績、ブログ、口コミ情報から、信頼できるオール電化施工店を探せます。無料一括見積、掲示板、基礎知識、コラム、イベント情報も。

Visit alldenka.jp

Key Findings

We analyzed Alldenka.jp page load time and found that the first response time was 2.6 sec and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

alldenka.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

www.alldenka.jp

2617 ms

reset.css

338 ms

textn.css

1797 ms

960_24_col.css

338 ms

style.css

675 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 85% of them (68 requests) were addressed to the original Alldenka.jp, 5% (4 requests) were made to Google-analytics.com and 4% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Alldenka.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 550.2 kB (38%)

Content Size

1.4 MB

After Optimization

890.9 kB

In fact, the total size of Alldenka.jp main page is 1.4 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. 30% of websites need less resources to load. Images take 981.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.3 kB

  • Original 47.1 kB
  • After minification 41.3 kB
  • After compression 8.8 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 5.8 kB, which is 12% 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 38.3 kB or 81% of the original size.

Image Optimization

-25%

Potential reduce by 242.6 kB

  • Original 981.2 kB
  • After minification 738.6 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, Alldenka needs image optimization as it can save up to 242.6 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 159.0 kB

  • Original 281.0 kB
  • After minification 254.1 kB
  • After compression 121.9 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 159.0 kB or 57% of the original size.

CSS Optimization

-84%

Potential reduce by 110.3 kB

  • Original 131.9 kB
  • After minification 101.1 kB
  • After compression 21.6 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. Alldenka.jp needs all CSS files to be minified and compressed as it can save up to 110.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (42%)

Requests Now

74

After Optimization

43

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alldenka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

alldenka.jp accessibility score

82

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

High

Links do not have a discernible name

Best Practices

alldenka.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

High

Browser errors were logged to the console

SEO Factors

alldenka.jp SEO score

64

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

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 Alldenka.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 Alldenka.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 Alldenka. 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: