Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

t4inc.co.jp

T4 Inc. <T-FOUR INCORPORATED>

Page Load Speed

2 sec in total

First Response

704 ms

Resources Loaded

1.2 sec

Page Rendered

94 ms

About Website

Click here to check amazing T4 Inc content. Otherwise, check out these important facts you probably never knew about t4inc.co.jp

T4 Inc. Top page

Visit t4inc.co.jp

Key Findings

We analyzed T4inc.co.jp page load time and found that the first response time was 704 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 30% of websites can load faster.

Performance Metrics

t4inc.co.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

t4inc.co.jp

704 ms

img001.jpg

170 ms

img001.gif

327 ms

Logo_40wht.gif

13 ms

img003.gif

500 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 89% of them (8 requests) were addressed to the original T4inc.co.jp, 11% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (704 ms) belongs to the original domain T4inc.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.4 kB (63%)

Content Size

10.2 kB

After Optimization

3.7 kB

  • HTML
  • Images

In fact, the total size of T4inc.co.jp main page is 10.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 8.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 6.4 kB

  • Original 8.5 kB
  • After minification 6.9 kB
  • After compression 2.0 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. This page needs HTML code to be minified as it can gain 1.6 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 6.4 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.7 kB
  • After minification 1.7 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. T4 Inc images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of T4 Inc. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

t4inc.co.jp accessibility score

52

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

t4inc.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

t4inc.co.jp SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise T4inc.co.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Japanese language. Our system also found out that T4inc.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 description is not detected on the main page of T4 Inc. 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: