Access gm-store.co.jp. グリーンマックス・ザ・ストア（秋葉原・ナゴヤ大須（名古屋）・大阪日本橋の鉄道模型）

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

gm-store.co.jp

1719 ms

common.css

358 ms

common.js

361 ms

nothing.gif

407 ms

store_logo_200603.jpg

413 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that all of those requests were addressed to Gm-store.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Gm-store.co.jp.

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Gm-store.co.jp main page is 1.6 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. 25% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 150.6 kB

Original 163.8 kB
After minification 127.6 kB
After compression 13.2 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 36.2 kB, which is 22% 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 150.6 kB or 92% of the original size.

Image Optimization

-8%

Potential reduce by 116.1 kB

Original 1.4 MB
After minification 1.3 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. Gm Store images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 636 B

Original 958 B
After minification 739 B
After compression 322 B

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 636 B or 66% of the original size.

CSS Optimization

-87%

Potential reduce by 3.7 kB

Original 4.2 kB
After minification 3.0 kB
After compression 557 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. Gm-store.co.jp needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gm Store. According to our analytics all requests are already optimized.

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

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gm-store.co.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 Gm-store.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

gm-store.co.jp

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

グリーンマックス・ザ・ストア（秋葉原・ナゴヤ大須（名古屋）・大阪日本橋の鉄道模型）

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

gm-store.co.jp

common.css

common.js

nothing.gif

store_logo_200603.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

gm-store.co.jp

common.css

common.js

nothing.gif

store_logo_200603.jpg

img_center_400_112.jpg

img_right.jpg

button01.gif

button02.gif

button03.gif

button04.gif

button05.gif

button06.gif

button07.gif

gms-staff-blog_bnr03.jpg

gms-ooyama-blog_bnr02.jpg

gms-akiba-blog_bnr02.jpg

gms-nagoya-blog_bnr02.jpg

bnr_nagoya_layout20151128.jpg

bnr_new_tsuhan_02.gif

menu01.gif

icon10x10_01.gif

menu03.gif

no_image100x100.gif

menu02.gif

10401_tobu10030-10050-tcmc8r_top01.jpg

icon14x10_02.gif

10402_odakyu1000-1051f_non-bm_top01.jpg

cp10306-tokyu8500_real_001_top01.jpg

10281-283_hankyu8000_1_top01.jpg

cp10304-305-tokyu8500-toq-box_real_top01.jpg

cp10272_273-tokyu8500_top_001.jpg

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cp10280-keio6000_model_top_001.jpg