Access esp-gca.com. ESPギタークラフト・アカデミー | ギター製作・ベース製作専門の学校

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.227

55/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

esp-gca.com

805 ms

top.css

349 ms

jquery.min.js

6 ms

jquery-ui.min.js

10 ms

common.js

415 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 87% of them (83 requests) were addressed to the original Esp-gca.com, 2% (2 requests) were made to Ajax.googleapis.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.3 sec) belongs to the original domain Esp-gca.com.

Content Size

4.3 MB

After Optimization

4.0 MB

In fact, the total size of Esp-gca.com main page is 4.3 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. 30% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 21.6 kB

Original 28.5 kB
After minification 24.8 kB
After compression 6.9 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 3.7 kB, which is 13% 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 21.6 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 147.0 kB

Original 4.1 MB
After minification 3.9 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. Esp Gca images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 134.7 kB

Original 206.9 kB
After minification 171.7 kB
After compression 72.2 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 134.7 kB or 65% of the original size.

CSS Optimization

-78%

Potential reduce by 25.1 kB

Original 32.0 kB
After minification 23.0 kB
After compression 6.9 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. Esp-gca.com needs all CSS files to be minified and compressed as it can save up to 25.1 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esp Gca. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esp-gca.com 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 Esp-gca.com 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

esp-gca.com

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

ESPギタークラフト・アカデミー | ギター製作・ベース製作専門の学校

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

esp-gca.com

top.css

jquery.min.js

jquery-ui.min.js

common.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

esp-gca.com

top.css

jquery.min.js

jquery-ui.min.js

common.js

index.js

conversion.js

onetag.ad

common.css

smt_base.css

smt_top.css

pc_base.css

pc_top.css

analytics.js

hdr_logo.png

hdr_bnr.jpg

hdr_contact.png

hdr_event.png

hdr_material.png

visual_11.jpg

visual_06.jpg

visual_07.jpg

visual_08.jpg

visual_09.jpg

visual_10.jpg

btn_slide01.jpg

btn_slide02.jpg

gnav_bg.png

gnav_01.png

icon_navi.png

gnav_02.png

gnav_03.png

gnav_04.png

gnav_05.png

gallery_title.jpg

lnav_bg.gif

lnav_campus_ttl.png

lnav_campus_tokyo.png

lnav_campus_osaka.png

lnav_campus_nagoya.png

lnav_campus_sendai.png

news_ttl_02.png

btn_more.png