Access powerweb.co.jp. パワー・インタラクティブ｜マーケティングを変えるコンサルティング

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value51.7 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value3,800 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value1.012

2/100

15%

TTI (Time to Interactive)

Value55.6 s

0/100

10%

powerweb.co.jp

946 ms

import.css

549 ms

nivo.css

557 ms

nivo-slider.css

570 ms

jquery-1.9.1.min.js

1489 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 54% of them (45 requests) were addressed to the original Powerweb.co.jp, 8% (7 requests) were made to Tag.brick.tools and 7% (6 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Powerweb.co.jp.

Content Size

1.5 MB

After Optimization

1.2 MB

In fact, the total size of Powerweb.co.jp main page is 1.5 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 17.9 kB

Original 25.1 kB
After minification 24.3 kB
After compression 7.3 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 17.9 kB or 71% of the original size.

Image Optimization

-7%

Potential reduce by 77.2 kB

Original 1.1 MB
After minification 1.0 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. Powerweb images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 182.7 kB

Original 316.0 kB
After minification 300.6 kB
After compression 133.3 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 182.7 kB or 58% of the original size.

CSS Optimization

-85%

Potential reduce by 85.0 kB

Original 100.0 kB
After minification 75.7 kB
After compression 15.1 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. Powerweb.co.jp needs all CSS files to be minified and compressed as it can save up to 85.0 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Powerweb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 9 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 the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Powerweb.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Powerweb.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

powerweb.co.jp

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

パワー・インタラクティブ｜マーケティングを変えるコンサルティング

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

powerweb.co.jp

import.css

nivo.css

nivo-slider.css

jquery-1.9.1.min.js

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

powerweb.co.jp

import.css

nivo.css

nivo-slider.css

jquery-1.9.1.min.js

base.js

heightLine.js

widgets.js

jsapi

jquery.nivo.slider.pack.js

jQuerySimpleNewsTicker.js

reset.css

common.css

base.css

lightbox.css

smart.css

default+en.css

default+en.I.js

close.png

key_web_structure.jpg

key_ga_checksheet.jpg

key_business_info.jpg

page_top.gif

loading.gif

prev.png

next.png

logo.jpg

btn_search.gif

facebook_btn.jpg

twitter_btn.jpg

navi_btn.gif

mainBnr_ma_support.jpg

mainBnr_ma_check.jpg

rss_fbtn.gif

facebook_fbtn.gif

twitter_fbtn.jpg

privacyporicy.png

gtm.js

Gfeeds

h3_bg.gif

pickup01.jpg

pickupLink.jpg

pickup04.jpg