Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

zeta-co.jp

東京で動画制作、映像企画制作の会社なら株式会社ゼータ・カンパニーへ。

Page Load Speed

7.3 sec in total

First Response

527 ms

Resources Loaded

6.5 sec

Page Rendered

243 ms

zeta-co.jp screenshot

About Website

Visit zeta-co.jp now to see the best up-to-date Zeta Co content and also check out these interesting facts you probably never knew about zeta-co.jp

株式会社ゼータ・カンパニーは、東京にあるイベント映像、社員研修用映像、プロモーション用映像、WEB用映像など、様々な映像・動画の撮影、編集、企画制作を行う映像制作会社です。 動画制作、映像の企画制作なら、当社にお任せください。 お客様専用ページはID・パスワードが必要となります。発行に関しましては、ドメイン付きメールアドレスにてお問い合わせください。

Visit zeta-co.jp

Key Findings

We analyzed Zeta-co.jp page load time and found that the first response time was 527 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

zeta-co.jp performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

zeta-co.jp

527 ms

www.zeta-co.jp

1232 ms

import.css

353 ms

dw_common.js

354 ms

JUDGE.JS

355 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 88% of them (49 requests) were addressed to the original Zeta-co.jp, 7% (4 requests) were made to Google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Zeta-co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.7 kB (14%)

Content Size

621.6 kB

After Optimization

534.9 kB

In fact, the total size of Zeta-co.jp main page is 621.6 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. 30% of websites need less resources to load. Images take 535.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 10.9 kB

  • Original 15.3 kB
  • After minification 13.7 kB
  • After compression 4.4 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 11% 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 10.9 kB or 71% of the original size.

Image Optimization

-6%

Potential reduce by 33.0 kB

  • Original 535.6 kB
  • After minification 502.6 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. Zeta Co images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 8.6 kB

  • Original 29.4 kB
  • After minification 25.3 kB
  • After compression 20.7 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 8.6 kB or 29% of the original size.

CSS Optimization

-83%

Potential reduce by 34.2 kB

  • Original 41.3 kB
  • After minification 29.9 kB
  • After compression 7.1 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-co.jp needs all CSS files to be minified and compressed as it can save up to 34.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (31%)

Requests Now

52

After Optimization

36

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zeta Co. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zeta-co.jp accessibility score

81

Accessibility Issues

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

Best Practices

zeta-co.jp best practices score

67

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

zeta-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

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zeta-co.jp 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 Zeta-co.jp 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 Zeta Co. 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: