Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

3da.us

エックスサーバー サーバー初期ページ

Page Load Speed

2.1 sec in total

First Response

620 ms

Resources Loaded

1.2 sec

Page Rendered

260 ms

3da.us screenshot

About Website

Welcome to 3da.us homepage info - get ready to check 3 Da best content right away, or after learning these important things about 3da.us

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Key Findings

We analyzed 3da.us page load time and found that the first response time was 620 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

3da.us performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

99/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

3da.us

620 ms

default_page.png

584 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to 3da.us and no external sources were called. The less responsive or slowest element that took the longest time to load (620 ms) belongs to the original domain 3da.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.6 kB (31%)

Content Size

11.8 kB

After Optimization

8.1 kB

In fact, the total size of 3da.us main page is 11.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 9.0 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 1.6 kB

  • Original 2.8 kB
  • After minification 2.5 kB
  • After compression 1.2 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 1.6 kB or 57% of the original size.

Image Optimization

-23%

Potential reduce by 2.1 kB

  • Original 9.0 kB
  • After minification 6.9 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. Obviously, 3 Da needs image optimization as it can save up to 2.1 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 Da. According to our analytics all requests are already optimized.

Accessibility Review

3da.us accessibility score

100

Accessibility Issues

Best Practices

3da.us 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

SEO Factors

3da.us SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3da.us 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 3da.us main page’s claimed encoding is euc-jp. 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 description is not detected on the main page of 3 Da. 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: