Access wsew.jp. スマートエネルギーWeek

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

39/100

10%

LCP (Largest Contentful Paint)

Value21.4 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value2,380 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.417

23/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

www.wsew.jp

574 ms

html5shiv.js

47 ms

Reset.css

64 ms

module-bootstrap_templated.css

45 ms

Core_v2_templated.css

52 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 93% of them (127 requests) were addressed to the original Wsew.jp, 3% (4 requests) were made to Google-analytics.com and 2% (3 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (574 ms) belongs to the original domain Wsew.jp.

Content Size

2.5 MB

After Optimization

1.6 MB

In fact, the total size of Wsew.jp main page is 2.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 88.1 kB

Original 112.3 kB
After minification 101.5 kB
After compression 24.2 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 88.1 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 18.4 kB

Original 1.4 MB
After minification 1.3 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. Wsew images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 621.7 kB

Original 883.7 kB
After minification 783.8 kB
After compression 262.0 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 621.7 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 106.2 kB

Original 126.2 kB
After minification 91.8 kB
After compression 20.1 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. Wsew.jp needs all CSS files to be minified and compressed as it can save up to 106.2 kB or 84% of the original size.

Requests Now

136

After Optimization

The browser has sent 136 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wsew. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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 Wsew.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 Wsew.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

wsew.jp

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

スマートエネルギーWeek

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

www.wsew.jp

html5shiv.js

Reset.css

module-bootstrap_templated.css

Core_v2_templated.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

www.wsew.jp

html5shiv.js

Reset.css

module-bootstrap_templated.css

Core_v2_templated.css

homepage_templated.css

autocomplete_templated.css

jquery-ui.css

font01.css

base01.css

layout01.css

font_en.css

base_en.css

layout01_en.css

jquery.bxslider.css

jquery.fancybox01.css

jpcustom.css

jquery-1.7.2.min.js

jquery-ui.min.js

jquery.hoverIntent.js

swfobject.js

Core_v2.js

Footer.js

doubletaptogo.min.js

Autocomplete.js

Search.js

PageTools-AddThis.js

Analytics.js

ga_click.js

jquery.bxslider.js

jquery.easing.1.3.js

smoothScroll.js

top_panel.js

module_templated.css

user-portal-icon.css

grid-module.css

list-module.css

media-module.css

Buttons_templated.css

uab_templated.css

media_templated.css

FeaturedContent_templated.css

analytics.js