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devcenter.valuecommerce.ne.jp screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

devcenter.valuecommerce.ne.jp

バリューコマース アフィリエイトAPIのご紹介 | ASPのバリューコマース アフィリエイト

Page Load Speed

5.6 sec in total

First Response

988 ms

Resources Loaded

4.4 sec

Page Rendered

159 ms

devcenter.valuecommerce.ne.jp screenshot

About Website

Visit devcenter.valuecommerce.ne.jp now to see the best up-to-date Devcenter Valuecommerce content for Japan and also check out these interesting facts you probably never knew about devcenter.valuecommerce.ne.jp

バリューコマース アフィリエイトが提供するAPIをご紹介します。リファレンスやガイド等をダウンロードいただけます。

Visit devcenter.valuecommerce.ne.jp

Key Findings

We analyzed Devcenter.valuecommerce.ne.jp page load time and found that the first response time was 988 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

devcenter.valuecommerce.ne.jp performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

66/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value1,680 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.5 s

39/100

10%

Network Requests Diagram

devcenter.valuecommerce.ne.jp

988 ms

book.css

366 ms

node.css

381 ms

defaults.css

385 ms

system.css

580 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 78% of them (31 requests) were addressed to the original Devcenter.valuecommerce.ne.jp, 18% (7 requests) were made to Valuecommerce.ne.jp and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Devcenter.valuecommerce.ne.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.3 kB (34%)

Content Size

282.5 kB

After Optimization

185.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Devcenter.valuecommerce.ne.jp main page is 282.5 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. 15% of websites need less resources to load. Images take 175.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 11.6 kB

  • Original 15.1 kB
  • After minification 11.9 kB
  • After compression 3.5 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 3.3 kB, which is 22% 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 11.6 kB or 77% of the original size.

Image Optimization

-13%

Potential reduce by 23.5 kB

  • Original 175.8 kB
  • After minification 152.3 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, Devcenter Valuecommerce needs image optimization as it can save up to 23.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-41%

Potential reduce by 13.8 kB

  • Original 33.9 kB
  • After minification 27.8 kB
  • After compression 20.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 13.8 kB or 41% of the original size.

CSS Optimization

-84%

Potential reduce by 48.4 kB

  • Original 57.6 kB
  • After minification 35.3 kB
  • After compression 9.2 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. Devcenter.valuecommerce.ne.jp needs all CSS files to be minified and compressed as it can save up to 48.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (37%)

Requests Now

35

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Devcenter Valuecommerce. 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 from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

devcenter.valuecommerce.ne.jp

devcenter.valuecommerce.ne.jp

988 ms

book.css

book.css

366 ms

node.css

node.css

381 ms

defaults.css

defaults.css

385 ms

system.css

system.css

580 ms

system-menus.css

system-menus.css

397 ms

user.css

user.css

562 ms

forum.css

forum.css

747 ms

views.css

views.css

768 ms

layout-fixed.css

layout-fixed.css

955 ms

devcenter.css

devcenter.css

1313 ms

index.css

index.css

964 ms

base.js

base.js

495 ms

common_latestNews.js

common_latestNews.js

961 ms

sideBanner.js

sideBanner.js

925 ms

base.js

base.js

736 ms

ga.js

ga.js

31 ms

bg_header.gif

bg_header.gif

563 ms

logo.png

logo.png

365 ms

bg_search-box.png

bg_search-box.png

385 ms

btn_search-box.png

btn_search-box.png

386 ms

main_img.jpg

main_img.jpg

1155 ms

stup_btn_off.png

stup_btn_off.png

977 ms

tit_contents.png

tit_contents.png

944 ms

icon_con_bg_sdk.jpg

icon_con_bg_sdk.jpg

749 ms

btn_more_off.png

btn_more_off.png

769 ms

icon_con_bg_api.jpg

icon_con_bg_api.jpg

958 ms

top_cont_news.gif

top_cont_news.gif

1120 ms

top_cont_pickec.gif

top_cont_pickec.gif

1122 ms

copyright.gif

copyright.gif

526 ms

__utm.gif

__utm.gif

11 ms

btn_faq.gif

btn_faq.gif

1444 ms

vc_twitter.gif

vc_twitter.gif

295 ms

vc_shopping.gif

vc_shopping.gif

396 ms

dev_news.xml

dev_news.xml

1473 ms

icon_list.gif

icon_list.gif

1253 ms

vc_twitter.gif

vc_twitter.gif

207 ms

vc_shopping.gif

vc_shopping.gif

443 ms

stup_btn_ro.png

stup_btn_ro.png

768 ms

btn_more_ro.png

btn_more_ro.png

371 ms

Accessibility Review

devcenter.valuecommerce.ne.jp accessibility score

77

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

devcenter.valuecommerce.ne.jp best practices score

77

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

devcenter.valuecommerce.ne.jp SEO score

98

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

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 Devcenter.valuecommerce.ne.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 Devcenter.valuecommerce.ne.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

devcenter.valuecommerce.ne.jp

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