Tools & Wizards About Us
offerbox.jp screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

offerbox.jp

OfferBox（オファーボックス） | スカウト型の就活サイト

Page Load Speed

4.8 sec in total

First Response

302 ms

Resources Loaded

4 sec

Page Rendered

543 ms

offerbox.jp screenshot

About Website

Visit offerbox.jp now to see the best up-to-date Offer Box content for Japan and also check out these interesting facts you probably never knew about offerbox.jp

OfferBox（オファーボックス）は、企業から学生に選考やインターンシップのオファーが届くスカウト型就活サイトです。大手からベンチャーまで幅広い企業が登録しているほか、適性診断ツールも無料で利用することができます。

Visit offerbox.jp

Key Findings

We analyzed Offerbox.jp page load time and found that the first response time was 302 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

offerbox.jp performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value2,350 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value27.9 s

0/100

10%

Network Requests Diagram

offerbox.jp

302 ms

offerbox.jp

968 ms

font-awesome.min.css

55 ms

offerboxicons.css

149 ms

style-pc.css

299 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 77% of them (53 requests) were addressed to the original Offerbox.jp, 6% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Offerbox.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 677.0 kB (14%)

Content Size

4.8 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Offerbox.jp main page is 4.8 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. 65% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 56.6 kB

  • Original 78.1 kB
  • After minification 70.9 kB
  • After compression 21.5 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. 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 56.6 kB or 72% of the original size.

Image Optimization

-13%

Potential reduce by 582.7 kB

  • Original 4.4 MB
  • After minification 3.8 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. Obviously, Offer Box needs image optimization as it can save up to 582.7 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

-8%

Potential reduce by 17.9 kB

  • Original 227.0 kB
  • After minification 227.0 kB
  • After compression 209.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-29%

Potential reduce by 19.8 kB

  • Original 68.6 kB
  • After minification 68.6 kB
  • After compression 48.8 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. Offerbox.jp needs all CSS files to be minified and compressed as it can save up to 19.8 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (33%)

Requests Now

57

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Offer Box. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

offerbox.jp

offerbox.jp

302 ms

offerbox.jp

offerbox.jp

968 ms

font-awesome.min.css

font-awesome.min.css

55 ms

offerboxicons.css

offerboxicons.css

149 ms

style-pc.css

style-pc.css

299 ms

other-pc.css

other-pc.css

587 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

589 ms

jquery-3.1.1.min.js

jquery-3.1.1.min.js

590 ms

jsapi

jsapi

22 ms

modernizr-custom-webp.js

modernizr-custom-webp.js

446 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

827 ms

jquery.cookie.js

jquery.cookie.js

477 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

595 ms

jquery.heightLine.js

jquery.heightLine.js

826 ms

lightbox.min.js

lightbox.min.js

827 ms

main-pc.js

main-pc.js

826 ms

widgets.js

widgets.js

21 ms

loader.js

loader.js

17 ms

css

css

28 ms

css

css

17 ms

gtm.js

gtm.js

341 ms

logo.png

logo.png

215 ms

mv_icon01.svg

mv_icon01.svg

216 ms

mv_catch.svg

mv_catch.svg

389 ms

mv_bg01.png

mv_bg01.png

993 ms

mv_bg02.png

mv_bg02.png

946 ms

mv_bg03.png

mv_bg03.png

1091 ms

mv_bg04.png

mv_bg04.png

1316 ms

mv_img01.webp

mv_img01.webp

938 ms

main_about_illust01.svg

main_about_illust01.svg

516 ms

main_about_img.webp

main_about_img.webp

954 ms

main_about_offer_tag_sp.png

main_about_offer_tag_sp.png

1088 ms

img_pc.jpg

img_pc.jpg

1093 ms

img_pc.jpg

img_pc.jpg

1102 ms

main_industry_list_pc.svg

main_industry_list_pc.svg

1150 ms

main_industry_list_sp.svg

main_industry_list_sp.svg

1234 ms

main_about_illust02.svg

main_about_illust02.svg

1238 ms

img_pc.jpg

img_pc.jpg

1242 ms

image.png

image.png

1248 ms

main_about_illust03.svg

main_about_illust03.svg

1308 ms

main_step_illust01.svg

main_step_illust01.svg

1382 ms

main_step_illust02.svg

main_step_illust02.svg

1392 ms

main_step_illust03.svg

main_step_illust03.svg

1390 ms

We-asked-new-graduates-how-they-wrote-their-own-PR-for-OfferBox-400x225.jpg

We-asked-new-graduates-how-they-wrote-their-own-PR-for-OfferBox-400x225.jpg

1396 ms

We-asked-new-graduates-how-they-wrote-past-OfferBox-episodes-400x225.jpg

We-asked-new-graduates-how-they-wrote-past-OfferBox-episodes-400x225.jpg

1465 ms

Introducing-5-sample-sentence-templates-for-replying-with-OfferBox-400x225.jpg

Introducing-5-sample-sentence-templates-for-replying-with-OfferBox-400x225.jpg

1475 ms

footer_app_icon.png

footer_app_icon.png

1530 ms

bnr_appstore.png

bnr_appstore.png

1537 ms

bnr_gplay.png

bnr_gplay.png

1538 ms

footer_logo.png

footer_logo.png

1543 ms

footer_sns_tw.png

footer_sns_tw.png

1623 ms

footer_sns_fb.png

footer_sns_fb.png

1634 ms

footer_sns_ins.png

footer_sns_ins.png

1677 ms

i7dJIFl3byGNHa25Na65UEU.woff

i7dJIFl3byGNHa25Na65UEU.woff

59 ms

i7dEIFl3byGNHaVKFr0.woff

i7dEIFl3byGNHaVKFr0.woff

95 ms

i7dJIFl3byGNHa3hNK65UEU.woff

i7dJIFl3byGNHa3hNK65UEU.woff

136 ms

i7dJIFl3byGNHa3xM665UEU.woff

i7dJIFl3byGNHa3xM665UEU.woff

143 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

57 ms

footer_sns_li.png

footer_sns_li.png

1473 ms

footer_app_img.webp

footer_app_img.webp

1462 ms

new_window_icon.svg

new_window_icon.svg

1465 ms

plusone.js

plusone.js

71 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

33 ms

mv_img01.png

mv_img01.png

1634 ms

main_about_img.png

main_about_img.png

1496 ms

footer_app_img.png

footer_app_img.png

1531 ms

settings

settings

95 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

13 ms

style-sp.css

style-sp.css

150 ms

Accessibility Review

offerbox.jp accessibility score

75

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

offerbox.jp best practices score

75

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

offerbox.jp SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 Offerbox.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 Offerbox.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

offerbox.jp

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