Access 10-tosou.com. 中野の高品質の外壁塗装ならビックメンダー株式会社

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value74.3 s

0/100

25%

SI (Speed Index)

Value15.4 s

0/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.356

31/100

15%

TTI (Time to Interactive)

Value41.0 s

0/100

10%

www.10-tosou.com

1377 ms

import.css

332 ms

common.js

373 ms

layout.css

335 ms

bg_body.jpg

169 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 96% of them (51 requests) were addressed to the original 10-tosou.com, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain 10-tosou.com.

Content Size

903.0 kB

After Optimization

841.7 kB

In fact, the total size of 10-tosou.com main page is 903.0 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. 20% of websites need less resources to load. Images take 857.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.8 kB

Original 10.7 kB
After minification 9.2 kB
After compression 3.0 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 1.5 kB, which is 14% 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 7.8 kB or 72% of the original size.

Image Optimization

-5%

Potential reduce by 39.3 kB

Original 857.8 kB
After minification 818.4 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. 10 Tosou images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 1.1 kB

Original 18.7 kB
After minification 18.0 kB
After compression 17.5 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

-83%

Potential reduce by 13.1 kB

Original 15.9 kB
After minification 11.0 kB
After compression 2.8 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. 10-tosou.com needs all CSS files to be minified and compressed as it can save up to 13.1 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 10 Tosou. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

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

Image elements do not have [alt] attributes

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>).

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 10-tosou.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 10-tosou.com 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

10-tosou.com

Open Graph description is not detected on the main page of 10 Tosou. 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

中野の高品質の外壁塗装ならビックメンダー株式会社

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.10-tosou.com

import.css

common.js

layout.css

bg_body.jpg

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.10-tosou.com

import.css

common.js

layout.css

bg_body.jpg

bg_h1box.jpg

logo_01.jpg

tel_01.jpg

mail_01.jpg

bg_gnav.jpg

gnav01_on.jpg

gnav02_off.jpg

gnav03_off.jpg

gnav04_off.jpg

gnav05_off.jpg

gnav06_off.jpg

bg_visual.jpg

img_main-01.jpg

bnr_topics.jpg

bnr_astec.jpg

bnr_bestwork.jpg

sttl_01.jpg

img_01.jpg

more_01.jpg

sttl_02.jpg

img_02.jpg

more_02.jpg

sttl_03.jpg

img_03.jpg

more_03.jpg

bnr_spring.jpg

bnr_summer.jpg

bnr_autumn.jpg

bnr_winter.jpg

ttl_01.jpg

line_01.gif

arw_01.gif

bg_sub-menu.jpg

ttl_side-01.jpg

ga.js

bg_sub-menu-btm.jpg

__utm.gif

menu_01.jpg