Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

witz.co.jp

ウィッツホームページ

Page Load Speed

2.5 sec in total

First Response

581 ms

Resources Loaded

1.8 sec

Page Rendered

96 ms

witz.co.jp screenshot

About Website

Visit witz.co.jp now to see the best up-to-date Witz content for Japan and also check out these interesting facts you probably never knew about witz.co.jp

ウィッツはジムニー用パーツ開発・販売をしています。

Visit witz.co.jp

Key Findings

We analyzed Witz.co.jp page load time and found that the first response time was 581 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

witz.co.jp performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

witz.co.jp

581 ms

analyzer.js

188 ms

witzdigital.gif

365 ms

Image3.gif

378 ms

p_01.jpg

379 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 63% of them (5 requests) were addressed to the original Witz.co.jp, 13% (1 request) were made to Analyzer2.fc2.com and 13% (1 request) were made to Www18.a8.net. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Www18.a8.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.5 kB (30%)

Content Size

74.2 kB

After Optimization

51.7 kB

In fact, the total size of Witz.co.jp main page is 74.2 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. Images take 67.3 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 2.9 kB

  • Original 5.1 kB
  • After minification 4.7 kB
  • After compression 2.2 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 2.9 kB or 57% of the original size.

Image Optimization

-28%

Potential reduce by 18.6 kB

  • Original 67.3 kB
  • After minification 48.7 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. Obviously, Witz needs image optimization as it can save up to 18.6 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-56%

Potential reduce by 1.0 kB

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 821 B

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 1.0 kB or 56% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Witz. According to our analytics all requests are already optimized.

Accessibility Review

witz.co.jp accessibility score

49

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

witz.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

witz.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

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Witz.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Witz.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 Witz. 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: