Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

csf.ne.jp

ケーブルステーション福岡

Page Load Speed

5.3 sec in total

First Response

995 ms

Resources Loaded

4 sec

Page Rendered

353 ms

csf.ne.jp screenshot

About Website

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

ケーブルステーション福岡(CSF)は6市4町(春日市、大野城市、太宰府市、那珂川市、筑紫野市、宇美町、志免町、須恵町、粕屋町、嘉麻市)をエリアとし、ケーブルテレビ、インターネット、固定電話、でんきのサービスを提供しています。

Visit csf.ne.jp

Key Findings

We analyzed Csf.ne.jp page load time and found that the first response time was 995 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

csf.ne.jp performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value20.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value36.3 s

0/100

25%

SI (Speed Index)

Value28.1 s

0/100

10%

TBT (Total Blocking Time)

Value5,350 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.456

20/100

15%

TTI (Time to Interactive)

Value46.7 s

0/100

10%

Network Requests Diagram

csf.ne.jp

995 ms

common.css

440 ms

skin_index.css

307 ms

jquery-1.4.2.js

1084 ms

opacity-rollover2.1.js

346 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 88% of them (58 requests) were addressed to the original Csf.ne.jp, 8% (5 requests) were made to Google.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Csf.ne.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.1 kB (15%)

Content Size

775.6 kB

After Optimization

660.6 kB

In fact, the total size of Csf.ne.jp main page is 775.6 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. 35% of websites need less resources to load. Images take 608.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 14.9 kB

  • Original 20.9 kB
  • After minification 19.5 kB
  • After compression 6.0 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. 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 14.9 kB or 71% of the original size.

Image Optimization

-2%

Potential reduce by 13.9 kB

  • Original 608.9 kB
  • After minification 595.0 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. Csf images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 74.0 kB

  • Original 129.6 kB
  • After minification 128.6 kB
  • After compression 55.6 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 74.0 kB or 57% of the original size.

CSS Optimization

-76%

Potential reduce by 12.3 kB

  • Original 16.2 kB
  • After minification 12.8 kB
  • After compression 3.9 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. Csf.ne.jp needs all CSS files to be minified and compressed as it can save up to 12.3 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (27%)

Requests Now

64

After Optimization

47

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

csf.ne.jp accessibility score

78

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.

Tables and lists

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

Impact

Issue

High

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

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

csf.ne.jp best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

csf.ne.jp SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csf.ne.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 Csf.ne.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

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