Access 13hw.com. 13歳のハローワーク公式サイト（13hw）－中高生のための…未来のヒントに出会う場所。

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value9.9 s

9/100

10%

TBT (Total Blocking Time)

Value1,060 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.207

60/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

13hw.com

408 ms

13hw.com

765 ms

index.html

198 ms

js

77 ms

bootstrap.min.css

193 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 45% of them (63 requests) were addressed to the original 13hw.com, 13% (18 requests) were made to Cm.g.doubleclick.net and 9% (13 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain 13hw.com.

Content Size

1.1 MB

After Optimization

742.2 kB

In fact, the total size of 13hw.com main page is 1.1 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. 70% of websites need less resources to load. Javascripts take 935.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 55.3 kB

Original 78.0 kB
After minification 71.5 kB
After compression 22.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 55.3 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 16 B

Original 69.0 kB
After minification 69.0 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. 13 Hw images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 284.8 kB

Original 935.4 kB
After minification 926.9 kB
After compression 650.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 284.8 kB or 30% of the original size.

Requests Now

117

After Optimization

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 13 Hw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

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 13hw.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 13hw.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

13hw.com

Open Graph data is detected on the main page of 13 Hw. 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

13歳のハローワーク公式サイト（13hw） －中高生のための…未来のヒントに出会う場所。－

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

13hw.com

13hw.com

index.html

js

bootstrap.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

13hw.com

13hw.com

index.html

js

bootstrap.min.css

glyphicons.css

rp.base.css

jquery-1.10.2.min.js

jquery.cookie.js

jquery.rwdImageMaps.js

jquery.tile.min.js

jquery.carousel.js

bootstrap.min.js

rp.base.js

bootstrap.lightbox.css

bootstrap.lightbox.js

adsbygoogle.js

brand

brand

rp.quiz_dsp_js.php

brandjs.js

brandjs.js

rp.head_statusbar_bg.png

rp.head_logo.png

scl_jh_02.jpg

adv_online_top.jpg

special03_08.png

flyer.png

flyer_wide_form.png

com_online.png

adv_online.png

13hwmap.gif

top_job_rank01.gif

top_job_rank02.gif

top_job_rank03.gif

top_job_rank04.gif

top_job_rank05.gif

interview_pro1.png

interview_pro2.png

interview_pro3.png

recommend_special3_8.png

ans_bt.gif

topic_update.gif

topic_inteerview.gif

13歳のハローワーク公式サイト（13hw）－中高生のための…未来のヒントに出会う場所。－