Access marine-jbia.or.jp. 一般社団法人　日本マリン事業協会

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value18.0 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.338

33/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

marine-jbia.or.jp

537 ms

www.marine-jbia.or.jp

896 ms

import.css

177 ms

index.css

354 ms

slick.css

516 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 92% of them (82 requests) were addressed to the original Marine-jbia.or.jp, 2% (2 requests) were made to Maxcdn.bootstrapcdn.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Marine-jbia.or.jp.

Content Size

3.2 MB

After Optimization

3.1 MB

In fact, the total size of Marine-jbia.or.jp main page is 3.2 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. 45% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 33.3 kB

Original 39.6 kB
After minification 34.2 kB
After compression 6.3 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. This page needs HTML code to be minified as it can gain 5.4 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 33.3 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 11.5 kB

Original 3.0 MB
After minification 3.0 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. Marine Jbia images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 4.9 kB

Original 72.5 kB
After minification 72.1 kB
After compression 67.6 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

-38%

Potential reduce by 7.3 kB

Original 19.4 kB
After minification 19.3 kB
After compression 12.1 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. Marine-jbia.or.jp needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 38% of the original size.

Requests Now

After Optimization

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Marine Jbia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

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

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

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 Marine-jbia.or.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 Marine-jbia.or.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

marine-jbia.or.jp

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

一般社団法人 日本マリン事業協会

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

marine-jbia.or.jp

www.marine-jbia.or.jp

import.css

index.css

slick.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

marine-jbia.or.jp

www.marine-jbia.or.jp

import.css

index.css

slick.css

slick-theme.css

jquery.min.js

slick.min.js

slide3.js

font-awesome.min.css

scrolltop.js

main.js

DropDownMenu.js

analytics.js

reset.css

common.css

table.css

commonStyle.css

analytics.js

title.jpg

menu_open.png

menu_close.png

up_link_ico.jpg

g_menu_bg.jpg

g_menu_ico.jpg

nav_close.png

submenu_ico.png

slid_01.png

slid_02.jpg

slid_03.jpg

slid_04.jpg

slid_05.jpg

pickup_ti_bk.jpg

pickup_bg.jpg

pickup_ico01.jpg

pickup_ico02.jpg

pickup_ico03.jpg

pickup_ico04.jpg

pickup_ico05.jpg

pickup_ico06.jpg

pickup_ico07.jpg

pickup_ico14.jpg

pickup_ico08.jpg

一般社団法人　日本マリン事業協会