Tools & Wizards About Us
kantenna.com screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

kantenna.com

ウェブデザイン・ホームページ制作 KANTENA.COM

Page Load Speed

7.7 sec in total

First Response

2.3 sec

Resources Loaded

5.2 sec

Page Rendered

234 ms

kantenna.com screenshot

About Website

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

ホームページ製作やWEBデザイン、WEBサイト製作に必要な知識や便利なアプリケーション、スクリプトの紹介

Visit kantenna.com

Key Findings

We analyzed Kantenna.com page load time and found that the first response time was 2.3 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

kantenna.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

kantenna.com

2297 ms

lib.css

2041 ms

pages.default.css

2957 ms

ir

234 ms

brand

27 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 44% of them (4 requests) were addressed to the original Kantenna.com, 11% (1 request) were made to Ir-jp.amazon-adsystem.com and 11% (1 request) were made to Google.co.jp. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Kantenna.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.8 kB (79%)

Content Size

29.0 kB

After Optimization

6.1 kB

  • HTML

In fact, the total size of Kantenna.com main page is 29.0 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. HTML takes 29.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 22.8 kB

  • Original 29.0 kB
  • After minification 22.4 kB
  • After compression 6.1 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. This page needs HTML code to be minified as it can gain 6.5 kB, which is 23% 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 22.8 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kantenna. According to our analytics all requests are already optimized.

Network Requests Diagram

kantenna.com

kantenna.com

2297 ms

lib.css

lib.css

2041 ms

pages.default.css

pages.default.css

2957 ms

ir

ir

234 ms

brand

brand

27 ms

jquery.min.js

jquery.min.js

34 ms

all.min.js

all.min.js

1867 ms

brand

brand

78 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

63 ms

Accessibility Review

kantenna.com accessibility score

93

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.

Best Practices

kantenna.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

kantenna.com SEO score

98

Search Engine Optimization Advices

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

    UTF-8

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

kantenna.com

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