6.9 sec in total
1.9 sec
4.6 sec
488 ms
Click here to check amazing Jald content for Japan. Otherwise, check out these important facts you probably never knew about jald.or.jp
一般社団法人 日本LD学会は、LD等を有する者に対する教育の質的向上と、福祉の増進を図ることを目的に設立された学術研究団体です。すべての人の個性を大切にする社会を目指し、日々研究を続けています。
Visit jald.or.jpWe analyzed Jald.or.jp page load time and found that the first response time was 1.9 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
jald.or.jp performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value7.7 s
3/100
25%
Value11.4 s
5/100
10%
Value40 ms
100/100
30%
Value0.109
87/100
15%
Value9.7 s
28/100
10%
1865 ms
346 ms
362 ms
481 ms
349 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Jald.or.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Jald.or.jp.
Page size can be reduced by 470.7 kB (33%)
1.4 MB
966.7 kB
In fact, the total size of Jald.or.jp main page is 1.4 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. Only 5% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 219.4 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. 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 219.4 kB or 94% of the original size.
Potential reduce by 238.7 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. Obviously, Jald needs image optimization as it can save up to 238.7 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 2.4 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 2.4 kB or 73% of the original size.
Potential reduce by 10.3 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. Jald.or.jp needs all CSS files to be minified and compressed as it can save up to 10.3 kB or 76% of the original size.
Number of requests can be reduced by 14 (52%)
27
13
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jald. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for CSS and as a result speed up the page load time.
jald.or.jp
1865 ms
design_top.css
346 ms
design.js
362 ms
layout_common.css
481 ms
layout_top.css
349 ms
common.css
359 ms
base.css
514 ms
headline.css
374 ms
form.css
666 ms
counter.css
698 ms
magnify.css
692 ms
container_bg.gif
192 ms
header_bgTop.jpg
957 ms
counter.php
360 ms
content_bg.gif
331 ms
nav_bgActive.gif
364 ms
nav_bg.gif
542 ms
h1_bg.gif
632 ms
h2_bg.gif
659 ms
h3_bg.gif
714 ms
jald25th_flyer_001.png
1433 ms
jald24th_flyer_002.png
2722 ms
2015.09.09HP.jpg
1711 ms
jald_leaflet.png
2025 ms
jald_pamphlet.png
2521 ms
footer_bg02.gif
1034 ms
footer_bg01.gif
1395 ms
wait.gif
1715 ms
jald.or.jp 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
jald.or.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
jald.or.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Jald.or.jp 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 Jald.or.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.
jald.or.jp
Open Graph description is not detected on the main page of Jald. 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: