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i-plug.co.jp screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

i-plug.co.jp

株式会社i-plug

Page Load Speed

4.1 sec in total

First Response

537 ms

Resources Loaded

2.9 sec

Page Rendered

614 ms

i-plug.co.jp screenshot

About Website

Visit i-plug.co.jp now to see the best up-to-date I Plug content for Japan and also check out these interesting facts you probably never knew about i-plug.co.jp

新卒採用のダイレクト・リクルーティングであるOfferBox(オファーボックス)は、新卒採用の逆求人Webサービスとしては業界最大級の採用ツールです。スタートアップから大手企業まで多くの企業にご利用いただいており、学生が作成するWeb上のプロフィールをみて、企業から学生にオファーを送れます。内々定承諾まで は一切費用がかからない完全成功報酬型サービスで、初期費用なしでご利用いただけます。

Visit i-plug.co.jp

Key Findings

We analyzed I-plug.co.jp page load time and found that the first response time was 537 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

i-plug.co.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

i-plug.co.jp

537 ms

i-plug.co.jp

594 ms

gtm.js

93 ms

css

64 ms

reset.css

147 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 72% of them (42 requests) were addressed to the original I-plug.co.jp, 3% (2 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Cdn.rawgit.com. The less responsive or slowest element that took the longest time to load (978 ms) belongs to the original domain I-plug.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 243.4 kB (20%)

Content Size

1.2 MB

After Optimization

975.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of I-plug.co.jp main page is 1.2 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. 40% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 42.2 kB

  • Original 49.4 kB
  • After minification 37.1 kB
  • After compression 7.3 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 12.4 kB, which is 25% 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 42.2 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 132.9 kB

  • Original 1.0 MB
  • After minification 879.1 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. Obviously, I Plug needs image optimization as it can save up to 132.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 6.9 kB

  • Original 63.8 kB
  • After minification 60.2 kB
  • After compression 56.9 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 6.9 kB or 11% of the original size.

CSS Optimization

-66%

Potential reduce by 61.5 kB

  • Original 93.6 kB
  • After minification 76.4 kB
  • After compression 32.1 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. I-plug.co.jp needs all CSS files to be minified and compressed as it can save up to 61.5 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (49%)

Requests Now

51

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I Plug. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

i-plug.co.jp

i-plug.co.jp

537 ms

i-plug.co.jp

i-plug.co.jp

594 ms

gtm.js

gtm.js

93 ms

css

css

64 ms

reset.css

reset.css

147 ms

base.css

base.css

292 ms

common.css

common.css

424 ms

style.css

style.css

434 ms

page.css

page.css

585 ms

page_sp.css

page_sp.css

439 ms

aos.css

aos.css

71 ms

jquery.min.js

jquery.min.js

52 ms

aos.js

aos.js

70 ms

base_html.js

base_html.js

438 ms

header.css

header.css

460 ms

main.css

main.css

562 ms

footer.css

footer.css

577 ms

smoothscroll.js

smoothscroll.js

581 ms

viewport.js

viewport.js

721 ms

ios.js

ios.js

721 ms

function.js

function.js

721 ms

moment.min.js

moment.min.js

59 ms

riot+compiler.min.js

riot+compiler.min.js

203 ms

news_top.tag.html

news_top.tag.html

721 ms

news_categories.tag.html

news_categories.tag.html

731 ms

controller.js

controller.js

731 ms

contact.js

contact.js

734 ms

topKv.js

topKv.js

773 ms

aos.css

aos.css

17 ms

aos.js

aos.js

19 ms

riot+compiler.min.js

riot+compiler.min.js

27 ms

css2

css2

17 ms

obLogo.png

obLogo.png

372 ms

mockup_ofb.png

mockup_ofb.png

539 ms

ef1gLogo.png

ef1gLogo.png

259 ms

mockup_ef1g.png

mockup_ef1g.png

551 ms

bg_top01.jpg

bg_top01.jpg

850 ms

sec03_logo.png

sec03_logo.png

769 ms

bg_top02_ofb.jpg

bg_top02_ofb.jpg

978 ms

sec04_logo.png

sec04_logo.png

795 ms

awa01.png

awa01.png

689 ms

awa02.png

awa02.png

701 ms

awa03.png

awa03.png

836 ms

awa04.png

awa04.png

848 ms

awa05.png

awa05.png

923 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

20 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFLgk75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFLgk75s.ttf

95 ms

analytics.js

analytics.js

30 ms

fbds.js

fbds.js

21 ms

header.html

header.html

777 ms

footer.html

footer.html

819 ms

news_top.tag.html

news_top.tag.html

831 ms

news_categories.tag.html

news_categories.tag.html

834 ms

collect

collect

14 ms

logotype.svg

logotype.svg

156 ms

chevron_level1.svg

chevron_level1.svg

143 ms

new_window.svg

new_window.svg

180 ms

logo.png

logo.png

149 ms

Accessibility Review

i-plug.co.jp accessibility score

90

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Form elements do not have associated labels

Best Practices

i-plug.co.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

i-plug.co.jp SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 I-plug.co.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 I-plug.co.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

i-plug.co.jp

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