8 sec in total
1.4 sec
6.5 sec
128 ms
Click here to check amazing Kdb Tsukuba content for Japan. Otherwise, check out these important facts you probably never knew about kdb.tsukuba.ac.jp
Visit kdb.tsukuba.ac.jpWe analyzed Kdb.tsukuba.ac.jp page load time and found that the first response time was 1.4 sec and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
kdb.tsukuba.ac.jp performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value4.6 s
36/100
25%
Value11.5 s
5/100
10%
Value110 ms
97/100
30%
Value0
100/100
15%
Value4.6 s
82/100
10%
1356 ms
1505 ms
787 ms
621 ms
625 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Kdb.tsukuba.ac.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Kdb.tsukuba.ac.jp.
Page size can be reduced by 406.3 kB (77%)
526.5 kB
120.2 kB
In fact, the total size of Kdb.tsukuba.ac.jp main page is 526.5 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. Javascripts take 370.1 kB which makes up the majority of the site volume.
Potential reduce by 60.8 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 60.8 kB or 82% of the original size.
Potential reduce by 479 B
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. Kdb Tsukuba images are well optimized though.
Potential reduce by 279.6 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 279.6 kB or 76% of the original size.
Potential reduce by 65.5 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. Kdb.tsukuba.ac.jp needs all CSS files to be minified and compressed as it can save up to 65.5 kB or 87% of the original size.
Number of requests can be reduced by 24 (86%)
28
4
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kdb Tsukuba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
kdb.tsukuba.ac.jp
1356 ms
kdb.tsukuba.ac.jp
1505 ms
jquery-ui-1.8.7.custom.css
787 ms
jquery.cluetip.css
621 ms
jquery.multiselect.css
625 ms
common.css
627 ms
ui.layout.custom.css
635 ms
ui.fg.menu.css
1069 ms
ui.fg.menu.custom.css
1176 ms
ui.custom.css
1208 ms
element.css
1426 ms
jquery-1.4.4.min.js
1959 ms
jquery-ui-1.8.9.custom.min.js
2598 ms
jquery.layout.js
2246 ms
jquery.ajax.menus.js
2144 ms
jquery.watermark.min.js
1810 ms
jquery.multiselect.js
2276 ms
jquery.cluetip.js
2587 ms
jquery.upload-1.0.2.js
2648 ms
layout.js
2863 ms
functions.js
2899 ms
en_messages.js
2915 ms
ui-bg_glass_75_e6e6e6_1x400.png
391 ms
ui-icons_888888_256x240.png
392 ms
bg-header.jpg
584 ms
bg-header-menu.jpg
588 ms
bg-toggler.jpg
652 ms
ui-bg_flat_75_ffffff_40x100.png
710 ms
ui-bg_highlight-soft_75_cccccc_1x100.png
994 ms
ui-bg_glass_65_ffffff_1x400.png
993 ms
kdb.tsukuba.ac.jp accessibility score
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
Form elements do not have associated labels
kdb.tsukuba.ac.jp 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
kdb.tsukuba.ac.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
N/A
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kdb.tsukuba.ac.jp can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Kdb.tsukuba.ac.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.
kdb.tsukuba.ac.jp
Open Graph description is not detected on the main page of Kdb Tsukuba. 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: