Tools & Wizards About Us
dw230.net screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dw230.net

HTML <タグ> PHP <関数> EXCEL

Page Load Speed

2.1 sec in total

First Response

804 ms

Resources Loaded

1.2 sec

Page Rendered

92 ms

dw230.net screenshot

About Website

Welcome to dw230.net homepage info - get ready to check Dw 230 best content for Japan right away, or after learning these important things about dw230.net

関数やタグ入力時何が間違えているかわからないことがあるので、よく使うHTMLタグ、PHPタグ、PHP関数、EXCEL関数を簡単にコピー&ペーストできるようにしています。：DW230

Visit dw230.net

Key Findings

We analyzed Dw230.net page load time and found that the first response time was 804 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

dw230.net performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value1,460 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.761

5/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

dw230.net

804 ms

google.js

340 ms

ga.js

30 ms

logo_dw230_red.gif

175 ms

__utm.gif

11 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 60% of them (3 requests) were addressed to the original Dw230.net, 40% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (804 ms) belongs to the original domain Dw230.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.4 kB (19%)

Content Size

23.6 kB

After Optimization

19.2 kB

  • HTML
  • JavaScript

In fact, the total size of Dw230.net main page is 23.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Javascripts take 17.6 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 4.2 kB

  • Original 6.0 kB
  • After minification 6.0 kB
  • After compression 1.8 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 4.2 kB or 70% of the original size.

JavaScript Optimization

-1%

Potential reduce by 205 B

  • Original 17.6 kB
  • After minification 17.5 kB
  • After compression 17.4 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.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dw 230. According to our analytics all requests are already optimized.

Network Requests Diagram

dw230.net

dw230.net

804 ms

google.js

google.js

340 ms

ga.js

ga.js

30 ms

logo_dw230_red.gif

logo_dw230_red.gif

175 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

dw230.net accessibility score

66

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-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dw230.net 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

dw230.net SEO score

79

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 doesn't use 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 Dw230.net 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 Dw230.net 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

dw230.net

Open Graph description is not detected on the main page of Dw 230. 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: