Tools & Wizards About Us
zeta-one.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

zeta-one.com

中古バイク販売・バイク買取り　東京都台東区上野バイクショップ　ゼータワン | 東京都上野のバイク街にあるバイクショップ　ゼータワン（ZETA-ONE）

Page Load Speed

2.5 sec in total

First Response

294 ms

Resources Loaded

1.9 sec

Page Rendered

301 ms

zeta-one.com screenshot

About Website

Welcome to zeta-one.com homepage info - get ready to check ZETA ONE best content for Japan right away, or after learning these important things about zeta-one.com

東京都台東区上野のバイクショップ ゼータワン（ZETA-ONE)です。厳選した程度重視の中古バイクを取り揃えております。現行モデル～絶版車まで中古バイク販売の他、修理や車検などのアフターサービスもお任せください。バイク買取りも現行モデル～絶版車まで大歓迎です。

Visit zeta-one.com

Key Findings

We analyzed Zeta-one.com page load time and found that the first response time was 294 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

zeta-one.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.203

61/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

zeta-one.com

294 ms

www.zeta-one.com

427 ms

stylesheet.css

70 ms

jquery.js

200 ms

s3Slider.js

135 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 94% of them (33 requests) were addressed to the original Zeta-one.com, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (925 ms) belongs to the original domain Zeta-one.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.3 kB (9%)

Content Size

2.2 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zeta-one.com main page is 2.2 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. 30% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.9 kB

  • Original 12.4 kB
  • After minification 12.3 kB
  • After compression 3.5 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 8.9 kB or 72% of the original size.

Image Optimization

-6%

Potential reduce by 132.2 kB

  • Original 2.1 MB
  • After minification 1.9 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. ZETA ONE images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 51.2 kB

  • Original 93.5 kB
  • After minification 91.1 kB
  • After compression 42.3 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 51.2 kB or 55% of the original size.

CSS Optimization

-85%

Potential reduce by 6.0 kB

  • Original 7.1 kB
  • After minification 5.6 kB
  • After compression 1.1 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. Zeta-one.com needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

33

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZETA ONE. According to our analytics all requests are already optimized.

Network Requests Diagram

zeta-one.com

zeta-one.com

294 ms

www.zeta-one.com

www.zeta-one.com

427 ms

stylesheet.css

stylesheet.css

70 ms

jquery.js

jquery.js

200 ms

s3Slider.js

s3Slider.js

135 ms

ga.js

ga.js

38 ms

background.jpg

background.jpg

201 ms

nothing.gif

nothing.gif

70 ms

background-menu.png

background-menu.png

70 ms

menu-topics.png

menu-topics.png

138 ms

menu-used.png

menu-used.png

139 ms

menu-resale.png

menu-resale.png

137 ms

menu-shaken.png

menu-shaken.png

139 ms

menu-hoken.png

menu-hoken.png

145 ms

menu-shop.png

menu-shop.png

202 ms

menu-link.png

menu-link.png

200 ms

1.jpg

1.jpg

860 ms

5.jpg

5.jpg

656 ms

6.jpg

6.jpg

708 ms

2.jpg

2.jpg

925 ms

3.jpg

3.jpg

791 ms

headermenu1.png

headermenu1.png

271 ms

headermenu2.png

headermenu2.png

336 ms

headermenu3.png

headermenu3.png

403 ms

headermenu4.png

headermenu4.png

471 ms

headermenu5.png

headermenu5.png

539 ms

headermenu6.png

headermenu6.png

608 ms

h1.png

h1.png

680 ms

staff.jpg

staff.jpg

787 ms

usq.jpg

usq.jpg

879 ms

oi.jpg

oi.jpg

775 ms

C.jpg

C.jpg

843 ms

logo.gif

logo.gif

854 ms

ameblo.jpg

ameblo.jpg

855 ms

__utm.gif

__utm.gif

21 ms

Accessibility Review

zeta-one.com accessibility score

71

Accessibility Issues

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

zeta-one.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zeta-one.com SEO score

82

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

Links do not have descriptive text

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

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zeta-one.com 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 Zeta-one.com 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

zeta-one.com

Open Graph description is not detected on the main page of ZETA ONE. 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: