Tools & Wizards About Us
f-cs.jp screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

f-cs.jp

フルタイムカスタマーサイト

Page Load Speed

6.9 sec in total

First Response

545 ms

Resources Loaded

6.3 sec

Page Rendered

109 ms

f-cs.jp screenshot

About Website

Welcome to f-cs.jp homepage info - get ready to check F Cs best content for Japan right away, or after learning these important things about f-cs.jp

フルタイムロッカーのカスタマーサイトです。

Visit f-cs.jp

Key Findings

We analyzed F-cs.jp page load time and found that the first response time was 545 ms and then it took 6.4 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

f-cs.jp performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

f-cs.jp

545 ms

f-cs.jp

826 ms

831 ms

nn4.css

477 ms

import.css

508 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 89% of them (42 requests) were addressed to the original F-cs.jp, 4% (2 requests) were made to Secure.comodo.com and 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain F-cs.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.1 kB (40%)

Content Size

73.0 kB

After Optimization

43.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of F-cs.jp main page is 73.0 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. Only 10% of websites need less resources to load. Javascripts take 37.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 12.3 kB

  • Original 15.9 kB
  • After minification 13.9 kB
  • After compression 3.6 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 2.0 kB, which is 13% 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 12.3 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 16.6 kB
  • After minification 16.6 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. F Cs images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 14.7 kB

  • Original 37.7 kB
  • After minification 36.9 kB
  • After compression 23.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 14.7 kB or 39% of the original size.

CSS Optimization

-74%

Potential reduce by 2.1 kB

  • Original 2.9 kB
  • After minification 2.0 kB
  • After compression 752 B

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. F-cs.jp needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (43%)

Requests Now

44

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of F Cs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

f-cs.jp

f-cs.jp

545 ms

f-cs.jp

f-cs.jp

826 ms

831 ms

nn4.css

nn4.css

477 ms

import.css

import.css

508 ms

common.js

common.js

534 ms

global.css

global.css

361 ms

spacer.gif

spacer.gif

481 ms

head_img01.gif

head_img01.gif

490 ms

head_img02.gif

head_img02.gif

560 ms

head_img05.gif

head_img05.gif

566 ms

head_img04.gif

head_img04.gif

563 ms

cmn_btn07.gif

cmn_btn07.gif

568 ms

cmn_btn01.gif

cmn_btn01.gif

984 ms

cmn_btn02.gif

cmn_btn02.gif

992 ms

cmn_btn03.gif

cmn_btn03.gif

1056 ms

cmn_btn04.gif

cmn_btn04.gif

1059 ms

cmn_btn05.gif

cmn_btn05.gif

1092 ms

cmn_btn06.gif

cmn_btn06.gif

1329 ms

img13.gif

img13.gif

1487 ms

img14.gif

img14.gif

1494 ms

fullnavi_230x140.jpg

fullnavi_230x140.jpg

1829 ms

btn05.gif

btn05.gif

1533 ms

img17.gif

img17.gif

1625 ms

img15.gif

img15.gif

1799 ms

img18.gif

img18.gif

2013 ms

img16.gif

img16.gif

2019 ms

img07.gif

img07.gif

2043 ms

img08.gif

img08.gif

2139 ms

img09.gif

img09.gif

2273 ms

btn01.gif

btn01.gif

2298 ms

img12.gif

img12.gif

2526 ms

btn04.gif

btn04.gif

2542 ms

img25.gif

img25.gif

2576 ms

btn10.gif

btn10.gif

2708 ms

img10.gif

img10.gif

2913 ms

btn02.gif

btn02.gif

2844 ms

img11.gif

img11.gif

3066 ms

btn03.gif

btn03.gif

3067 ms

img20.gif

img20.gif

3086 ms

btn06.gif

btn06.gif

3174 ms

trustlogo.js

trustlogo.js

65 ms

seal_bg.gif

seal_bg.gif

75 ms

tl_transp.gif

tl_transp.gif

3244 ms

warranty_level.gif

warranty_level.gif

73 ms

ga.js

ga.js

35 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

f-cs.jp accessibility score

72

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Best Practices

f-cs.jp best practices score

75

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

Page has valid source maps

SEO Factors

f-cs.jp SEO score

85

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

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

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise F-cs.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 F-cs.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

f-cs.jp

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