Access naitei-lab.com. 就活塾【内定ラボ】個別指導・時間効率・安心価格が特徴の就職予備校

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value1.005

2/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

naitei-lab.com

532 ms

naitei-lab.com

754 ms

reset.css.css

195 ms

layout.css.css

401 ms

layoutmobile.css

516 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 86% of them (99 requests) were addressed to the original Naitei-lab.com, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to B97.yahoo.co.jp. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Naitei-lab.com.

Content Size

2.4 MB

After Optimization

2.3 MB

In fact, the total size of Naitei-lab.com main page is 2.4 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. 45% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 32.3 kB

Original 41.6 kB
After minification 34.6 kB
After compression 9.4 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 7.0 kB, which is 17% 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 32.3 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 29.9 kB

Original 2.2 MB
After minification 2.1 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. Naitei Lab images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 73.7 kB

Original 214.7 kB
After minification 214.7 kB
After compression 141.0 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 73.7 kB or 34% of the original size.

CSS Optimization

-35%

Potential reduce by 1.8 kB

Original 5.1 kB
After minification 5.0 kB
After compression 3.3 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. Naitei-lab.com needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 35% of the original size.

Requests Now

111

After Optimization

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Naitei Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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>).

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

Issues were logged in the Issues panel in Chrome Devtools

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

JA
Encoding

UTF-8

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

naitei-lab.com

Open Graph description is not detected on the main page of Naitei Lab. 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

就活塾【内定ラボ】個別指導・時間効率・安心価格が特徴の就職予備校

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

naitei-lab.com

naitei-lab.com

reset.css.css

layout.css.css

layoutmobile.css

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

naitei-lab.com

naitei-lab.com

reset.css.css

layout.css.css

layoutmobile.css

jquery.bxslider.css

jquery.min.js

jquery-1.12.3.js

jquery.bxslider.min.js

scrolltopcontrol.js

conversion.js

conversion.js

s_retargeting.js

182888858

naitei-important7.html

iframe-info01.html

iframe-naitei-saki02.html

logo-159-43.png

okk-bnr01.png

okk-bnr02.png

btn_01.png

btn_02.png

btn_03.png

btn_04.png

btn_05.png

btn_06.png

naitei-lab-TOP-MAIN00.jpg

naitei-lab-TOP-MAIN02.jpg

naitei-lab-TOP-MAIN022.jpg

naitei-lab-TOP-MAIN044.jpg

naitei-lab-TOP-MAIN01.jpg

naitei-lab-TOP-MAIN033.jpg

target-separate1.png

target-separate2.png

target-separate3.png

target-separate4.png

target-separate5.png

target-separate6.png

target-separate7.png

lp-01.png

lp-02.png

lp-03.png

videoBNR.png