3.9 sec in total
401 ms
3.3 sec
186 ms
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Visit iotlab.jpWe analyzed Iotlab.jp page load time and found that the first response time was 401 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
iotlab.jp performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value4.6 s
35/100
25%
Value7.4 s
29/100
10%
Value150 ms
95/100
30%
Value0.091
92/100
15%
Value8.2 s
41/100
10%
401 ms
384 ms
577 ms
395 ms
401 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 61% of them (25 requests) were addressed to the original Iotlab.jp, 20% (8 requests) were made to Google.com and 7% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Iotlab.jp.
Page size can be reduced by 158.9 kB (36%)
441.1 kB
282.3 kB
In fact, the total size of Iotlab.jp main page is 441.1 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. 35% of websites need less resources to load. Images take 207.1 kB which makes up the majority of the site volume.
Potential reduce by 15.4 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 15.4 kB or 73% of the original size.
Potential reduce by 30.5 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, Io Tlab needs image optimization as it can save up to 30.5 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 65.5 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 65.5 kB or 43% of the original size.
Potential reduce by 47.5 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. Iotlab.jp needs all CSS files to be minified and compressed as it can save up to 47.5 kB or 78% of the original size.
Number of requests can be reduced by 16 (42%)
38
22
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Io Tlab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
index.html
401 ms
normalize.css
384 ms
font-awesome.css
577 ms
jquery.bxslider.css
395 ms
base.css
401 ms
css
63 ms
com.css
398 ms
modernizr-custom.js
419 ms
jquery.min.js
5 ms
plugin.js
955 ms
common.js
767 ms
index.js
772 ms
analytics.js
36 ms
logo.svg
200 ms
logo_nav.svg
383 ms
top_01.jpg
962 ms
rss_icon.png
387 ms
infolist.png
393 ms
about.png
394 ms
supportcommittee.png
598 ms
alliance.png
974 ms
funds.png
978 ms
membership.png
784 ms
entry_num.png
801 ms
activity.png
972 ms
demonstration.png
1180 ms
login.png
1202 ms
cse.js
174 ms
bx_loader.gif
1325 ms
bH7276GfdCjMjApa_dkG6aCWcynf_cDxXwCLxiixG1c.ttf
36 ms
collect
14 ms
jsapi
22 ms
default+ja.css
6 ms
default.css
35 ms
default+ja.I.js
13 ms
default.css
32 ms
async-ads.js
36 ms
google_custom_search_watermark.gif
31 ms
small-logo.png
27 ms
search_box_icon.png
26 ms
clear.gif
27 ms
iotlab.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
Image elements do not have [alt] attributes
Links do not have a discernible name
iotlab.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
iotlab.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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iotlab.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 Iotlab.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.
iotlab.jp
Open Graph data is detected on the main page of Io Tlab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: