Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

pc.nikkeibp.co.jp

PC | 日経クロステック(xTECH)

Page Load Speed

6.1 sec in total

First Response

902 ms

Resources Loaded

4.9 sec

Page Rendered

345 ms

pc.nikkeibp.co.jp screenshot

About Website

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

日経クロステック(xTECH)の「PC」のページ。日経クロステックは、日経BPが運営するテクノロジーと経営にかかわる総合情報サイトです。

Visit pc.nikkeibp.co.jp

Key Findings

We analyzed Pc.nikkeibp.co.jp page load time and found that the first response time was 902 ms and then it took 5.2 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

pc.nikkeibp.co.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value27.0 s

0/100

10%

TBT (Total Blocking Time)

Value52,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.167

71/100

15%

TTI (Time to Interactive)

Value71.8 s

0/100

10%

Network Requests Diagram

pc.nikkeibp.co.jp

902 ms

201601.js

315 ms

201601.css

495 ms

nikkei_bp.js

11 ms

globalNav1000.css

492 ms

Our browser made a total of 176 requests to load all elements on the main page. We found that 72% of them (126 requests) were addressed to the original Pc.nikkeibp.co.jp, 7% (12 requests) were made to Tpc.googlesyndication.com and 4% (7 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Pc.nikkeibp.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 792.2 kB (48%)

Content Size

1.7 MB

After Optimization

863.6 kB

In fact, the total size of Pc.nikkeibp.co.jp main page is 1.7 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. 60% of websites need less resources to load. Images take 649.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 430.6 kB

  • Original 497.6 kB
  • After minification 494.8 kB
  • After compression 66.9 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 430.6 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 62.8 kB

  • Original 649.8 kB
  • After minification 587.0 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. PC Nikkeibp images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 298.7 kB

  • Original 508.4 kB
  • After minification 503.3 kB
  • After compression 209.7 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 298.7 kB or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 90 (52%)

Requests Now

174

After Optimization

84

The browser has sent 174 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PC Nikkeibp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

pc.nikkeibp.co.jp accessibility score

69

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

pc.nikkeibp.co.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

pc.nikkeibp.co.jp SEO score

93

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

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

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 Pc.nikkeibp.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 Pc.nikkeibp.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 description is not detected on the main page of PC Nikkeibp. 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: