Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

sankeibiz.jp

経済 - イザ!

Page Load Speed

14.2 sec in total

First Response

461 ms

Resources Loaded

13.1 sec

Page Rendered

590 ms

sankeibiz.jp screenshot

About Website

Click here to check amazing Sankeibiz content for Japan. Otherwise, check out these important facts you probably never knew about sankeibiz.jp

経済政策や金融、企業、情報・通信、新商品・新サービスなどに関する情報を掲載。産経デジタルが運営する総合ニュースサイト「iza(イザ!)」がお届けします。

Visit sankeibiz.jp

Key Findings

We analyzed Sankeibiz.jp page load time and found that the first response time was 461 ms and then it took 13.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sankeibiz.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value25,060 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.18

67/100

15%

TTI (Time to Interactive)

Value48.5 s

0/100

10%

Network Requests Diagram

sankeibiz.jp

461 ms

www.sankeibiz.jp

1605 ms

rd.js

483 ms

mobile

593 ms

SetTop.css

324 ms

Our browser made a total of 266 requests to load all elements on the main page. We found that 50% of them (133 requests) were addressed to the original Sankeibiz.jp, 13% (35 requests) were made to Sankei2ad.durasite.net and 6% (16 requests) were made to Ad.wsodcdn.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Ad.wsod.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (46%)

Content Size

3.7 MB

After Optimization

2.0 MB

In fact, the total size of Sankeibiz.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. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 143.4 kB

  • Original 184.9 kB
  • After minification 178.1 kB
  • After compression 41.4 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 143.4 kB or 78% of the original size.

Image Optimization

-19%

Potential reduce by 342.7 kB

  • Original 1.8 MB
  • After minification 1.5 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, Sankeibiz needs image optimization as it can save up to 342.7 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 856.0 kB

  • Original 1.3 MB
  • After minification 1.2 MB
  • After compression 427.6 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 856.0 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 349.6 kB

  • Original 421.3 kB
  • After minification 379.2 kB
  • After compression 71.7 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. Sankeibiz.jp needs all CSS files to be minified and compressed as it can save up to 349.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 98 (38%)

Requests Now

258

After Optimization

160

The browser has sent 258 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sankeibiz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sankeibiz.jp accessibility score

83

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

[aria-hidden="true"] elements contain focusable descendents

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

Best Practices

sankeibiz.jp best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sankeibiz.jp SEO score

91

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

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 Sankeibiz.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 Sankeibiz.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 Sankeibiz. 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: