10.5 sec in total
549 ms
9.7 sec
246 ms
Visit drone-kentei.com now to see the best up-to-date Drone Kentei content for Japan and also check out these interesting facts you probably never knew about drone-kentei.com
ドローン検定 協会 が実施する【ドローン検定】(無人航空従事者試験)の公式サイトです。ドローン検定は、登録講習機関として民間技能認定から国家資格としての免許取得までをドローン教習所と共にサポートする認定者数業界ナンバーワンの資格試験です。国内最初の登録講習機関として操縦者自身が正しい知識と技能を有した免許習得を目指します。
Visit drone-kentei.comWe analyzed Drone-kentei.com page load time and found that the first response time was 549 ms and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
drone-kentei.com performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value5.7 s
16/100
25%
Value8.6 s
17/100
10%
Value1,210 ms
20/100
30%
Value0.095
91/100
15%
Value9.2 s
32/100
10%
549 ms
905 ms
38 ms
183 ms
357 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 75% of them (33 requests) were addressed to the original Drone-kentei.com, 7% (3 requests) were made to Facebook.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Seal.securecore.co.jp.
Page size can be reduced by 190.1 kB (27%)
691.4 kB
501.3 kB
In fact, the total size of Drone-kentei.com main page is 691.4 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. 45% of websites need less resources to load. Images take 441.4 kB which makes up the majority of the site volume.
Potential reduce by 23.2 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 4.7 kB, which is 15% 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 23.2 kB or 76% of the original size.
Potential reduce by 17.1 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. Drone Kentei images are well optimized though.
Potential reduce by 135.1 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 135.1 kB or 67% of the original size.
Potential reduce by 14.7 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. Drone-kentei.com needs all CSS files to be minified and compressed as it can save up to 14.7 kB or 77% of the original size.
Number of requests can be reduced by 10 (24%)
41
31
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Drone Kentei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
drone-kentei.com
549 ms
drone-kentei.com
905 ms
analytics.js
38 ms
common.css
183 ms
style.css
357 ms
pc.css
525 ms
validationEngine.jquery.css
523 ms
jquery-1.8.2.min.js
861 ms
jquery.validationEngine-ja.js
525 ms
jquery.validationEngine.js
895 ms
ss_130-50.js
920 ms
collect
15 ms
collect
41 ms
ga-audiences
80 ms
title.jpg
428 ms
kentei.gif
262 ms
top_img.png
674 ms
top_rainbow.jpg
261 ms
exm_app.png
419 ms
bn_tosukei.jpg
260 ms
bn_gouhi.jpg
418 ms
bn_mem.jpg
410 ms
bn_press.jpg
408 ms
bn_chie.jpg
531 ms
bn_skai.jpg
529 ms
bn_sales.jpg
555 ms
card2.jpg
558 ms
card3.jpg
558 ms
card4.jpg
696 ms
bn_crpi.jpg
697 ms
partner.gif
721 ms
l1bn.jpg
891 ms
BQS-BusinessQualityScore.png
725 ms
DRONE-LEAGUE.png
825 ms
DPS.png
859 ms
footer-up.gif
864 ms
footer-img.gif
885 ms
sdk.js
241 ms
sdk.js
26 ms
72 ms
phone.css
170 ms
seal.cgi
6224 ms
page.php
49 ms
170 ms
drone-kentei.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
drone-kentei.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
drone-kentei.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drone-kentei.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 Drone-kentei.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.
drone-kentei.com
Open Graph description is not detected on the main page of Drone Kentei. 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: