Access belluna.co.jp. 株式会社ベルーナ

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.6

11/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

belluna.co.jp

431 ms

index.html

1100 ms

normalize.css

173 ms

common.css

785 ms

jquery.min.js

80 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Belluna.co.jp, 92% (59 requests) were made to Ir.belluna.co.jp and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Ir.belluna.co.jp.

Content Size

705.8 kB

After Optimization

438.2 kB

In fact, the total size of Belluna.co.jp main page is 705.8 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. 40% of websites need less resources to load. Images take 575.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.5 kB

Original 23.6 kB
After minification 23.2 kB
After compression 6.1 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 17.5 kB or 74% of the original size.

Image Optimization

-36%

Potential reduce by 209.1 kB

Original 575.0 kB
After minification 365.9 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, Belluna needs image optimization as it can save up to 209.1 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 21.9 kB

Original 83.0 kB
After minification 79.3 kB
After compression 61.1 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 21.9 kB or 26% of the original size.

CSS Optimization

-79%

Potential reduce by 19.1 kB

Original 24.2 kB
After minification 17.7 kB
After compression 5.1 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. Belluna.co.jp needs all CSS files to be minified and compressed as it can save up to 19.1 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Belluna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 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

Image elements do not have [alt] attributes

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

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

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 Belluna.co.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 Belluna.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

belluna.co.jp

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

株式会社ベルーナ

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

belluna.co.jp

index.html

normalize.css

common.css

jquery.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

belluna.co.jp

index.html

normalize.css

common.css

jquery.min.js

top_style.css

jquery.bxslider.css

analytics.js

jquery.cookie.js

common.js

jquery.bxslider.min.js

logo_img_001.gif

arrow_pic_002.png

main_img_001.jpg

main_img_002.jpg

thumb_img_001.jpg

thumb_img_002.jpg

arrow_pic_001.gif

top_img_001.jpg

top_img_003.jpg

top_img_002.jpg

top_img_004.jpg

pix.png

ir_pic.gif

item_pic.gif

others_pic.gif

side_bnr_001.jpg

side_bnr_002.gif

side_bnr_003.jpg

service_logo_001.jpg

service_logo_002.jpg

service_logo_003.jpg

service_logo_004.jpg

service_logo_005.jpg

service_logo_006.jpg

service_logo_007.jpg

service_logo_008.jpg

service_logo_010.jpg

service_logo_014.jpg

service_logo_015.jpg

service_logo_013.jpg

service_logo_016.jpg

service_logo_011.jpg