Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

nikkencs.co.jp

株式会社ニッケン・キャリア・ステーション

Page Load Speed

11.5 sec in total

First Response

3.7 sec

Resources Loaded

7.4 sec

Page Rendered

381 ms

nikkencs.co.jp screenshot

About Website

Welcome to nikkencs.co.jp homepage info - get ready to check Nikkencs best content for Japan right away, or after learning these important things about nikkencs.co.jp

建築ニッケン・キャリア・ステーション」は日建学院(建築資料研究社)グループの一員として、その知識とネットワークを活かした建設・土木・不動産系業界特化型の職業紹介・人材派遣企業です。 業界特化の利点を活かした効率的かつ的確なキャリアマッチングで「働く人」と「働く場(企業様)」とのお引き合わせを強力にサポートしています。系・土木系学生と建設業界を結ぶコンテンツやサービスが満載

Visit nikkencs.co.jp

Key Findings

We analyzed Nikkencs.co.jp page load time and found that the first response time was 3.7 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

nikkencs.co.jp performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.344

32/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

nikkencs.co.jp

3702 ms

style.css

1154 ms

style.css

403 ms

analytics.js

52 ms

icon_job.png

198 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 87% of them (47 requests) were addressed to the original Nikkencs.co.jp, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to S.yjtag.jp. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Nikkencs.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 326.2 kB (21%)

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Nikkencs.co.jp main page is 1.6 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 36.6 kB

  • Original 45.5 kB
  • After minification 44.7 kB
  • After compression 8.9 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 36.6 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 18.0 kB

  • Original 1.1 MB
  • After minification 1.1 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. Nikkencs images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 210.4 kB

  • Original 341.7 kB
  • After minification 338.0 kB
  • After compression 131.3 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 210.4 kB or 62% of the original size.

CSS Optimization

-85%

Potential reduce by 61.2 kB

  • Original 71.7 kB
  • After minification 49.0 kB
  • After compression 10.5 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. Nikkencs.co.jp needs all CSS files to be minified and compressed as it can save up to 61.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (60%)

Requests Now

52

After Optimization

21

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nikkencs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nikkencs.co.jp accessibility score

92

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

Links do not have a discernible name

Best Practices

nikkencs.co.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nikkencs.co.jp SEO score

93

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

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 Nikkencs.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 Nikkencs.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

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