Access osg-nandemonet.co.jp. 株式会社OSGコーポレーション

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.669

8/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

osg-nandemonet.co.jp

882 ms

index_css.css

347 ms

i_backnum.css

368 ms

OnLoad.js

327 ms

ga.js

6 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 97% of them (58 requests) were addressed to the original Osg-nandemonet.co.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Osg-nandemonet.co.jp.

Content Size

770.8 kB

After Optimization

730.2 kB

In fact, the total size of Osg-nandemonet.co.jp main page is 770.8 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. 20% of websites need less resources to load. Images take 734.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.3 kB

Original 16.4 kB
After minification 14.4 kB
After compression 4.1 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. This page needs HTML code to be minified as it can gain 2.0 kB, which is 12% 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 12.3 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 26.8 kB

Original 734.7 kB
After minification 707.9 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. Osg Nandemonet images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 671 B

Original 18.3 kB
After minification 18.1 kB
After compression 17.6 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

-55%

Potential reduce by 799 B

Original 1.4 kB
After minification 1.2 kB
After compression 648 B

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. Osg-nandemonet.co.jp needs all CSS files to be minified and compressed as it can save up to 799 B or 55% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osg Nandemonet. 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-*] attributes do not match their roles

High

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

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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>).

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

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 Osg-nandemonet.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 Osg-nandemonet.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

osg-nandemonet.co.jp

Open Graph description is not detected on the main page of Osg Nandemonet. 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OSGコーポレーション

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

osg-nandemonet.co.jp

index_css.css

i_backnum.css

OnLoad.js

ga.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

osg-nandemonet.co.jp

index_css.css

i_backnum.css

OnLoad.js

ga.js

__utm.gif

txt_link.gif

txt_english.gif

txt_sitemap.gif

menu_h_def.jpg

menu_p_def.jpg

menu_c_def.jpg

menu_m_def.jpg

menu_w_def.jpg

menu_t_def.jpg

menu_k_def.jpg

menu_s_def.jpg

menu_n_def.jpg

index_def_01.jpg

index_def_02.jpg

index_def_03.jpg

index_def_04.jpg

index_def_05.jpg

index_def_06.jpg

index_def_07.jpg

index_def_08.jpg

index_def_09.jpg

index_def_10.jpg

awd_bnr2015.jpg

bnr_epnotice.png

spacer.gif

env_act.jpg

link_envpolicy.jpg

link_wn.jpg

bnr_osgwt.jpg

OSGCOMBNR.png

oasis_BNR.jpg

index_notice1.jpg

groumetbnr.png

whatsnew_bar.gif

titleimg.jpg

titleimg.jpg

whatsnew_bg.jpg