Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

tsukasamusen.co.jp

つかさ無線 秋葉原ラジオセンター1階にある防犯カメラ/盗聴・盗撮発見器/情報収集機器/工具/卓上旋盤の販売店です。

Page Load Speed

3.1 sec in total

First Response

554 ms

Resources Loaded

2.4 sec

Page Rendered

137 ms

tsukasamusen.co.jp screenshot

About Website

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

つかさ無線は秋葉原ラジオセンター1階にある防犯カメラ等の防犯機器、盗聴発見器等のセキュリティー用品、DIY工具・旋盤・フライスマシン等の販売店です。

Visit tsukasamusen.co.jp

Key Findings

We analyzed Tsukasamusen.co.jp page load time and found that the first response time was 554 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

tsukasamusen.co.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

tsukasamusen.co.jp

554 ms

CSScriptLib.js

132 ms

titlelogo.jpg

1114 ms

home.jpg

296 ms

sp.jpg

810 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Tsukasamusen.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Tsukasamusen.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 41.4 kB (20%)

Content Size

203.4 kB

After Optimization

162.1 kB

In fact, the total size of Tsukasamusen.co.jp main page is 203.4 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 185.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 13.8 kB

  • Original 17.6 kB
  • After minification 16.6 kB
  • After compression 3.8 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 13.8 kB or 78% of the original size.

Image Optimization

-15%

Potential reduce by 27.6 kB

  • Original 185.8 kB
  • After minification 158.2 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. Obviously, Tsukasamusen needs image optimization as it can save up to 27.6 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

25

After Optimization

25

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tsukasamusen. According to our analytics all requests are already optimized.

Accessibility Review

tsukasamusen.co.jp accessibility score

85

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.

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

tsukasamusen.co.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

tsukasamusen.co.jp SEO score

75

Search Engine Optimization Advices

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 Tsukasamusen.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 Tsukasamusen.co.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

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