1.3 sec in total
567 ms
580 ms
190 ms
Welcome to d4u.jp homepage info - get ready to check D 4 U best content right away, or after learning these important things about d4u.jp
Visit d4u.jpWe analyzed D4u.jp page load time and found that the first response time was 567 ms and then it took 770 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
d4u.jp performance score
name
value
score
weighting
Value1.4 s
96/100
10%
Value1.4 s
100/100
25%
Value2.0 s
99/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.4 s
100/100
10%
567 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to D4u.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (567 ms) belongs to the original domain D4u.jp.
Page size can be reduced by 80 B (33%)
241 B
161 B
In fact, the total size of D4u.jp main page is 241 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 241 B which makes up the majority of the site volume.
Potential reduce by 80 B
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 80 B or 33% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
d4u.jp
567 ms
d4u.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
d4u.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
d4u.jp SEO score
EN
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D4u.jp can be misinterpreted by Google and other search engines. Our service has detected that English 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 D4u.jp main page’s claimed encoding is . 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.
d4u.jp
Open Graph description is not detected on the main page of D 4 U. 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: