Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

pc.watch.impress.co.jp

PC/テクノロジーの総合情報サイト - PC Watch

Page Load Speed

9.5 sec in total

First Response

1.4 sec

Resources Loaded

7.1 sec

Page Rendered

959 ms

pc.watch.impress.co.jp screenshot

About Website

Visit pc.watch.impress.co.jp now to see the best up-to-date PC Watch Impress content for Japan and also check out these interesting facts you probably never knew about pc.watch.impress.co.jp

PCやタブレット、周辺機器、テクノロジーの最新情報を毎日配信。新製品のレビューや海外の最新技術動向、国内外のイベントレポートまで充実の内容。人気ライター陣の連載コラムも満載

Visit pc.watch.impress.co.jp

Key Findings

We analyzed Pc.watch.impress.co.jp page load time and found that the first response time was 1.4 sec and then it took 8.1 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

pc.watch.impress.co.jp performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value4,490 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

pc.watch.impress.co.jp

1388 ms

top.css

531 ms

color.css

357 ms

ipw.base.js

886 ms

ipw.effect.js

809 ms

Our browser made a total of 179 requests to load all elements on the main page. We found that 67% of them (120 requests) were addressed to the original Pc.watch.impress.co.jp, 6% (10 requests) were made to Pagead2.googlesyndication.com and 6% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Pc.watch.impress.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 623.3 kB (17%)

Content Size

3.7 MB

After Optimization

3.0 MB

In fact, the total size of Pc.watch.impress.co.jp main page is 3.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 93.6 kB

  • Original 114.7 kB
  • After minification 106.8 kB
  • After compression 21.1 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 93.6 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 277.9 kB

  • Original 3.1 MB
  • After minification 2.8 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. PC Watch Impress images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 182.4 kB

  • Original 410.0 kB
  • After minification 397.9 kB
  • After compression 227.6 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 182.4 kB or 44% of the original size.

CSS Optimization

-83%

Potential reduce by 69.5 kB

  • Original 83.8 kB
  • After minification 67.4 kB
  • After compression 14.4 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. Pc.watch.impress.co.jp needs all CSS files to be minified and compressed as it can save up to 69.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 66 (37%)

Requests Now

177

After Optimization

111

The browser has sent 177 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PC Watch Impress. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

pc.watch.impress.co.jp accessibility score

86

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

pc.watch.impress.co.jp best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

pc.watch.impress.co.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

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pc.watch.impress.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.watch.impress.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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