Access wb-koho.com. シックハウス対策・湿気対策の住宅ならWB HOUSE（通気断熱WB工法）

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value23.8 s

0/100

25%

SI (Speed Index)

Value30.6 s

0/100

10%

TBT (Total Blocking Time)

Value3,450 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.333

34/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

wb-koho.com

621 ms

www.wb-koho.com

754 ms

wb-koho_001.css

348 ms

reset.css

553 ms

common.css

369 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 52% of them (56 requests) were addressed to the original Wb-koho.com, 19% (21 requests) were made to Scontent.xx.fbcdn.net and 18% (19 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Wb-koho.com.

Content Size

2.0 MB

After Optimization

1.9 MB

In fact, the total size of Wb-koho.com main page is 2.0 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. 65% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 38.8 kB

Original 49.5 kB
After minification 46.8 kB
After compression 10.8 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. 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 38.8 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 48.5 kB

Original 1.9 MB
After minification 1.8 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. Wb Koho images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 1.5 kB

Original 40.0 kB
After minification 39.8 kB
After compression 38.5 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

-63%

Potential reduce by 2.9 kB

Original 4.6 kB
After minification 3.6 kB
After compression 1.7 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. Wb-koho.com needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 63% of the original size.

Requests Now

104

After Optimization

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wb Koho. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wb-koho.com 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 Wb-koho.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

wb-koho.com

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

シックハウス対策・湿気対策の住宅ならWB HOUSE（通気断熱WB工法） | 深呼吸したくなる家

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

wb-koho.com

www.wb-koho.com

wb-koho_001.css

reset.css

common.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

wb-koho.com

www.wb-koho.com

wb-koho_001.css

reset.css

common.css

jquery.min.js

conversion.js

spacer.gif

logo_002.gif

sing_002.gif

search_001.gif

photo01.jpg

photo02.jpg

photo03.jpg

photo04.jpg

photo05.jpg

00_on.gif

01_off.gif

02_off.gif

16_off.gif

03_off.gif

04_off.gif

05_off.gif

image.gif

image_101.jpg

image_102.jpg

image_103.jpg

image_104.jpg

image_105.jpg

image_106.jpg

image_107.jpg

image_108.jpg

title_003.jpg

link_014.jpg

link_016.jpg

link_018.jpg

link_004.jpg

link_013.jpg

link_003.jpg

link_010.jpg

link_007.jpg

link_002.jpg

sing_001.gif