Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

tsubasa-van.co.jp

HOME | Mysite

Page Load Speed

11.9 sec in total

First Response

538 ms

Resources Loaded

11.2 sec

Page Rendered

249 ms

tsubasa-van.co.jp screenshot

About Website

Click here to check amazing Tsubasa Van content. Otherwise, check out these important facts you probably never knew about tsubasa-van.co.jp

ガラス注射器の製造、販売会社です。医療用、工業用シリンジのことは翼工業へ。

Visit tsubasa-van.co.jp

Key Findings

We analyzed Tsubasa-van.co.jp page load time and found that the first response time was 538 ms and then it took 11.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

tsubasa-van.co.jp performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value2,640 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

tsubasa-van.co.jp

538 ms

import.css

189 ms

__utm.js

357 ms

import2.css

189 ms

base.css

207 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that all of those requests were addressed to Tsubasa-van.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (8.3 sec) belongs to the original domain Tsubasa-van.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.1 kB (13%)

Content Size

460.1 kB

After Optimization

397.9 kB

In fact, the total size of Tsubasa-van.co.jp main page is 460.1 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. 20% of websites need less resources to load. Images take 399.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 7.5 kB

  • Original 9.7 kB
  • After minification 6.4 kB
  • After compression 2.2 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 3.3 kB, which is 34% 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 7.5 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 10.5 kB

  • Original 399.2 kB
  • After minification 388.7 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. Tsubasa Van images are well optimized though.

CSS Optimization

-86%

Potential reduce by 44.1 kB

  • Original 51.2 kB
  • After minification 44.3 kB
  • After compression 7.0 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. Tsubasa-van.co.jp needs all CSS files to be minified and compressed as it can save up to 44.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (22%)

Requests Now

32

After Optimization

25

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tsubasa Van. 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 CSS and as a result speed up the page load time.

Accessibility Review

tsubasa-van.co.jp accessibility score

84

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

tsubasa-van.co.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tsubasa-van.co.jp SEO score

77

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 doesn't use 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 Tsubasa-van.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 Tsubasa-van.co.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 Tsubasa Van. 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: