Access mentoro.jp. 合宿で免許をとろう！合宿免許WAO!!（ワオ）-全国から人気の合宿免許自動車教習所をご案内

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,340 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

mentoro.jp

340 ms

www.mentoro.jp

346 ms

www.mentoro.jp

1183 ms

js

85 ms

fbevents.js

30 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 88% of them (114 requests) were addressed to the original Mentoro.jp, 2% (3 requests) were made to Support-widget.userlocal.jp and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Mentoro.jp.

Content Size

2.0 MB

After Optimization

1.6 MB

In fact, the total size of Mentoro.jp main page is 2.0 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. 60% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 77.3 kB

Original 100.8 kB
After minification 90.0 kB
After compression 23.5 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 10.8 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 77.3 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 26.3 kB

Original 1.5 MB
After minification 1.5 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. Mentoro images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 97.8 kB

Original 169.5 kB
After minification 168.7 kB
After compression 71.7 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 97.8 kB or 58% of the original size.

CSS Optimization

-77%

Potential reduce by 157.5 kB

Original 204.9 kB
After minification 165.4 kB
After compression 47.4 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. Mentoro.jp needs all CSS files to be minified and compressed as it can save up to 157.5 kB or 77% of the original size.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mentoro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 10 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 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

High

Some elements have a [tabindex] value greater than 0

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 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

Search Engine Optimization Advices

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 Mentoro.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 Mentoro.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

mentoro.jp

Open Graph data is detected on the main page of Mentoro. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

合宿で免許をとろう！合宿免許WAO!!（ワオ）-全国から人気の合宿免許自動車教習所をご案内

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

mentoro.jp

www.mentoro.jp

www.mentoro.jp

js

fbevents.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

mentoro.jp

www.mentoro.jp

www.mentoro.jp

js

fbevents.js

gtm.js

slick.css

common.css

contents.css

jquery-1.12.4.min.js

plugin.js

showIcons.js

slick.min.js

checkboxlist.js

search_school.js

conversion.js

s_retargeting.js

plan.css

chukyo.css

top.css

cautions.css

report.css

goto.css

bg01.gif

hd_bg01.gif

hd_bg02.gif

logo.png

hd_img01.png

gnavi01.png

gnavi02.png

gnavi03.png

gnavi04.png

gnavi05.png

gnavi06.png

gnavi07.png

top_txtbg.gif

top_mainbg01.gif

top_mainbn20.jpg

top_mainbn02.jpg

top_mainbn19.jpg

top_mainbn14.jpg

top_mainbn03.jpg

top_mainbn01.jpg