Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

japandrones.com

Pixhawk,lightware【Ardupilotオープンソースフライトコントローラー、センサー等の販売】Japandrones株式会社

Page Load Speed

5.3 sec in total

First Response

699 ms

Resources Loaded

3.5 sec

Page Rendered

1.1 sec

japandrones.com screenshot

About Website

Click here to check amazing Japandrones content for Japan. Otherwise, check out these important facts you probably never knew about japandrones.com

フライトコントローラーオートパイロットのPixhawk2や各種センサーを用いて独自のAI技術開発を開発費の掛からないArdupilotオープンソースで行うことが可能です。自作ドローン、飛行機、ローバー、サブマリーンに使用可能です。

Visit japandrones.com

Key Findings

We analyzed Japandrones.com page load time and found that the first response time was 699 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

japandrones.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.155

74/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

Network Requests Diagram

japandrones.com

699 ms

m_sys_common.css

351 ms

import.css

345 ms

jquery.min.js

542 ms

jquery-migrate-3.0.0.min.js

357 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 40% of them (20 requests) were addressed to the original Japandrones.com, 30% (15 requests) were made to Gigaplus.makeshop.jp and 22% (11 requests) were made to Makeshop-multi-images.akamaized.net. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Shop34-makeshop.akamaized.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.7 kB (6%)

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Japandrones.com main page is 1.2 MB. 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 36.0 kB

  • Original 44.4 kB
  • After minification 38.0 kB
  • After compression 8.4 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 6.4 kB, which is 14% 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 36.0 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 26.4 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. Japandrones images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 5.1 kB

  • Original 38.3 kB
  • After minification 38.3 kB
  • After compression 33.2 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 5.1 kB or 13% of the original size.

CSS Optimization

-36%

Potential reduce by 6.3 kB

  • Original 17.4 kB
  • After minification 17.4 kB
  • After compression 11.1 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. Japandrones.com needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (37%)

Requests Now

49

After Optimization

31

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Japandrones. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

japandrones.com accessibility score

64

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

Image elements do not have [alt] attributes

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

japandrones.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

japandrones.com SEO score

85

Search Engine Optimization Advices

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

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Japandrones.com 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 Japandrones.com main page’s claimed encoding is euc-jp. 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 Japandrones. 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: