4.5 sec in total
856 ms
3.3 sec
356 ms
Click here to check amazing Html 5 Lab content for Japan. Otherwise, check out these important facts you probably never knew about html5-lab.jp
Visit html5-lab.jpWe analyzed Html5-lab.jp page load time and found that the first response time was 856 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
html5-lab.jp performance score
name
value
score
weighting
Value0
0/100
10%
Value0
0/100
25%
Value0
0/100
10%
Value0
0/100
30%
Value0.075
95/100
15%
Value0
0/100
10%
856 ms
526 ms
366 ms
376 ms
560 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 29% of them (19 requests) were addressed to the original Html5-lab.jp, 12% (8 requests) were made to Apis.google.com and 9% (6 requests) were made to Omt.shinobi.jp. The less responsive or slowest element that took the longest time to load (980 ms) belongs to the original domain Html5-lab.jp.
Page size can be reduced by 468.0 kB (51%)
917.0 kB
448.9 kB
In fact, the total size of Html5-lab.jp main page is 917.0 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. 60% of websites need less resources to load. Javascripts take 558.1 kB which makes up the majority of the site volume.
Potential reduce by 58.6 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 58.6 kB or 70% of the original size.
Potential reduce by 2.5 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. Html 5 Lab images are well optimized though.
Potential reduce by 324.5 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 324.5 kB or 58% of the original size.
Potential reduce by 82.4 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. Html5-lab.jp needs all CSS files to be minified and compressed as it can save up to 82.4 kB or 84% of the original size.
Number of requests can be reduced by 33 (52%)
64
31
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Html 5 Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
html5-lab.jp
856 ms
style.css
526 ms
output.css
366 ms
bootstrap.css
376 ms
bootstrap.min.js
560 ms
jquery-latest.js
27 ms
bookmark_button.js
559 ms
adsbygoogle.js
31 ms
addthis_widget.js
29 ms
sdk.js
92 ms
header_bg.gif
187 ms
mv03.gif
348 ms
rss.png
187 ms
sangokushi.jpg
980 ms
icon.gif
187 ms
bnr_checker.jpg
371 ms
beaus_banner180.jpg
742 ms
android-link.png
372 ms
sangokushi.png
756 ms
cover.png
521 ms
logo.gif
582 ms
button-only@2x.png
332 ms
2d42b841e0c517ebdf240678c97613f5
544 ms
132 ms
xd_arbiter.php
79 ms
xd_arbiter.php
131 ms
ninja_onetag.css
362 ms
trac.js
588 ms
tweet_button.html
47 ms
jot
89 ms
537 ms
ca-pub-3653538938097093.js
221 ms
zrt_lookup.html
218 ms
show_ads_impl.js
60 ms
ico_check.gif
347 ms
search.png
310 ms
ico_circle.gif
341 ms
ads
263 ms
reset.css
104 ms
entry-button.css
106 ms
osd.js
82 ms
ads
183 ms
plusone.js
137 ms
analytics.js
55 ms
facebook_share_ninja_l.png
257 ms
300lo.json
96 ms
twitter_tweet_ninja_l.png
362 ms
hatena_ninja_l.png
377 ms
google_plusone_ninja_l.png
374 ms
button-counter.gif
51 ms
sh.8e5f85691f9aaa082472a194.html
76 ms
collect
81 ms
cb=gapi.loaded_0
26 ms
cb=gapi.loaded_1
25 ms
fastbutton
109 ms
like.php
117 ms
postmessageRelay
91 ms
cb=gapi.loaded_0
42 ms
cb=gapi.loaded_1
45 ms
wy1X4hBW7e7.js
164 ms
LVx-xkvaJ0b.png
176 ms
3193398744-postmessagerelay.js
33 ms
rpc:shindig_random.js
41 ms
cb=gapi.loaded_0
9 ms
cookiesync
367 ms
html5-lab.jp accessibility score
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
<frame> or <iframe> elements do not have a title
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.
html5-lab.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
html5-lab.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Html5-lab.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Html5-lab.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.
html5-lab.jp
Open Graph description is not detected on the main page of Html 5 Lab. 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: