Access islonline.jp. リモートコントロール／ワンタイム＋常駐接続で使えるISL Online

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value22.4 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value4,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

islonline.jp

807 ms

respond.src.js

292 ms

jquery.js

727 ms

forie.js

294 ms

smoothscroll.js

294 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 95% of them (57 requests) were addressed to the original Islonline.jp, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Client.12no3.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Islonline.jp.

Content Size

722.5 kB

After Optimization

537.5 kB

In fact, the total size of Islonline.jp main page is 722.5 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. 30% of websites need less resources to load. Images take 518.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 12.2 kB

Original 16.8 kB
After minification 14.9 kB
After compression 4.6 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 1.8 kB, which is 11% 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 12.2 kB or 72% of the original size.

Image Optimization

-9%

Potential reduce by 48.7 kB

Original 518.7 kB
After minification 470.0 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. Isl Online images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 83.2 kB

Original 140.1 kB
After minification 129.8 kB
After compression 56.9 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 83.2 kB or 59% of the original size.

CSS Optimization

-87%

Potential reduce by 40.9 kB

Original 46.8 kB
After minification 37.4 kB
After compression 6.0 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. Islonline.jp needs all CSS files to be minified and compressed as it can save up to 40.9 kB or 87% 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 Isl Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts 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

Heading elements are not in a sequentially-descending order

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 items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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 Islonline.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 Islonline.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

islonline.jp

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

リモートコントロール／ワンタイム＋常駐接続で使えるISL Online

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

islonline.jp

respond.src.js

jquery.js

forie.js

smoothscroll.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

islonline.jp

respond.src.js

jquery.js

forie.js

smoothscroll.js

pagetop.js

accordion.js

flickslider.js

heightLine.js

main.css

accordion.css

flickslider.css

css.js

ga.js

header_logo.gif

header_user.gif

btn_login2.jpg

header_helpdesk_new.gif

btn_operator_small.jpg

btn_client_small.jpg

btn_light4_small.jpg

point_arrow.png

icon_sq_gray.png

btn_trial.jpg

topimage_rcmain.jpg

topimage_pcany.jpg

top_title_licence.gif

icon_new_public.gif

point_square.gif

btn_detail.gif

icon_new_private.gif

icon_new_onpremises.gif

top_title_function00.gif

top_title_function01.gif

btn_function01.gif

top_title_function02.gif

btn_function02.gif

btn_function03.gif

top_title_release.gif

btn_top_info.gif

quickmanual_light.jpg

quickmanual_groop.jpg

top_title_case.gif