4.4 sec in total
746 ms
3.5 sec
138 ms
Welcome to wbt.tac-school.co.jp homepage info - get ready to check Wbt TAC School best content for Japan right away, or after learning these important things about wbt.tac-school.co.jp
Visit wbt.tac-school.co.jpWe analyzed Wbt.tac-school.co.jp page load time and found that the first response time was 746 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
wbt.tac-school.co.jp performance score
name
value
score
weighting
Value0.7 s
100/100
10%
Value0.7 s
100/100
25%
Value0.7 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.7 s
100/100
10%
746 ms
1068 ms
348 ms
521 ms
695 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 Wbt.tac-school.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Wbt.tac-school.co.jp.
Page size can be reduced by 433.0 kB (81%)
533.1 kB
100.0 kB
In fact, the total size of Wbt.tac-school.co.jp main page is 533.1 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. 15% of websites need less resources to load. Javascripts take 429.2 kB which makes up the majority of the site volume.
Potential reduce by 8.5 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 2.1 kB, which is 18% 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 8.5 kB or 73% of the original size.
Potential reduce by 6.5 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, Wbt TAC School needs image optimization as it can save up to 6.5 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 376.6 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 376.6 kB or 88% of the original size.
Potential reduce by 41.6 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. Wbt.tac-school.co.jp needs all CSS files to be minified and compressed as it can save up to 41.6 kB or 86% of the original size.
Number of requests can be reduced by 15 (45%)
33
18
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wbt TAC School. 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 10 to 1 for CSS and as a result speed up the page load time.
wbt.tac-school.co.jp
746 ms
wbt.tac-school.co.jp
1068 ms
redirect.js
348 ms
class_list.css
521 ms
frame.css
695 ms
friendlist.css
525 ms
gadget.css
531 ms
gadget_catlist.css
536 ms
login.css
552 ms
scorm.css
692 ms
standard.css
875 ms
table.css
707 ms
top.css
714 ms
WebResource.axd
1091 ms
ScriptResource.axd
1238 ms
ScriptResource.axd
1036 ms
kdbox.js
883 ms
logoview.aspx
213 ms
loadinfo.net.gif
183 ms
header_bg.png
180 ms
form.aspx
186 ms
subheader_bg.png
175 ms
tab_start.png
178 ms
tab_end.png
187 ms
footer_bg.png
188 ms
dummy.htm
340 ms
dummy_popup.htm
344 ms
subwin_kdpopup_added.js
184 ms
WebResource.axd
174 ms
login_user_id.png
195 ms
login_password.png
196 ms
login_save_id.png
338 ms
login_button.png
347 ms
ss_g_m.jpg
358 ms
login_bg.png
178 ms
wbt.tac-school.co.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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
The document uses <meta http-equiv="refresh">
wbt.tac-school.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
wbt.tac-school.co.jp SEO score
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wbt.tac-school.co.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 Wbt.tac-school.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.
wbt.tac-school.co.jp
Open Graph description is not detected on the main page of Wbt TAC School. 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: