Access zeek.jp. 株式会社ジーク。ZEEK(ジーク)にホームページ制作、WEB制作はお任せください。

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

zeek.jp

549 ms

www.zeek.jp

743 ms

index.css

366 ms

share.js

375 ms

swf.js

376 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 78% of them (14 requests) were addressed to the original Zeek.jp, 11% (2 requests) were made to Google-analytics.com and 6% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Zeek.jp.

Content Size

255.0 kB

After Optimization

247.5 kB

In fact, the total size of Zeek.jp main page is 255.0 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. 15% of websites need less resources to load. Images take 229.1 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 3.6 kB

Original 5.8 kB
After minification 5.7 kB
After compression 2.1 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 3.6 kB or 63% of the original size.

Image Optimization

-1%

Potential reduce by 3.0 kB

Original 229.1 kB
After minification 226.1 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. ZEEK images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 539 B

Original 18.5 kB
After minification 18.5 kB
After compression 18.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-22%

Potential reduce by 329 B

Original 1.5 kB
After minification 1.5 kB
After compression 1.2 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. Zeek.jp needs all CSS files to be minified and compressed as it can save up to 329 B or 22% of the original size.

Requests Now

After Optimization

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZEEK. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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.

High

Image elements do not have [alt] attributes

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

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 Zeek.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 Zeek.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 ZEEK. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

株式会社ジーク。ZEEK(ジーク)にホームページ制作、WEB制作はお任せください。

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

zeek.jp

www.zeek.jp

index.css

share.js

swf.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

{{url}}

Accessibility Review

Accessibility Issues

Best Practices

Areas of Improvement

SEO Factors

Search Engine Optimization Advices

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

{{og_title}}