2.2 sec in total
53 ms
1.9 sec
241 ms
Visit libron.net now to see the best up-to-date Libron content for Japan and also check out these interesting facts you probably never knew about libron.net
Libron(リブロン)は、カーリルAPIを使いAmazonのページから最寄りの図書館(全国7000以上の図書館に対応)の蔵書を検索できる便利なツールです。iPhone版、Firefox Greasemonkey版、Chrome Extension版を配布しています。
Visit libron.netWe analyzed Libron.net page load time and found that the first response time was 53 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
libron.net performance score
name
value
score
weighting
Value2.7 s
60/100
10%
Value5.0 s
26/100
25%
Value2.7 s
96/100
10%
Value20 ms
100/100
30%
Value0
100/100
15%
Value4.3 s
85/100
10%
53 ms
9 ms
31 ms
13 ms
12 ms
Our browser made a total of 88 requests to load all elements on the main page. We found that 36% of them (32 requests) were addressed to the original Libron.net, 14% (12 requests) were made to Static.xx.fbcdn.net and 7% (6 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (377 ms) relates to the external source B.st-hatena.com.
Page size can be reduced by 70.8 kB (16%)
450.8 kB
380.0 kB
In fact, the total size of Libron.net main page is 450.8 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. 55% of websites need less resources to load. Images take 328.6 kB which makes up the majority of the site volume.
Potential reduce by 16.6 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 16.6 kB or 69% of the original size.
Potential reduce by 4.5 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. Libron images are well optimized though.
Potential reduce by 33.1 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 33.1 kB or 43% of the original size.
Potential reduce by 16.6 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. Libron.net needs all CSS files to be minified and compressed as it can save up to 16.6 kB or 76% of the original size.
Number of requests can be reduced by 35 (42%)
84
49
The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libron. 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 8 to 1 for CSS and as a result speed up the page load time.
www.libron.net
53 ms
import.css
9 ms
jquery.min.js
31 ms
jquery.featureList-1.0.0.js
13 ms
function.js
12 ms
topsy.js
145 ms
show_ads.js
10 ms
bookmark_button.js
377 ms
widgets.js
84 ms
badge.js
18 ms
screen.css
8 ms
home.css
10 ms
subpage.css
10 ms
bg.png
8 ms
HT201285
44 ms
all.js
190 ms
logo.png
33 ms
ca-pub-0814494067339755.js
153 ms
zrt_lookup.html
36 ms
show_ads_impl.js
91 ms
ga.js
125 ms
visual_bg.png
13 ms
visual_0.png
17 ms
visual_1.png
17 ms
visual_2.png
17 ms
visual_3.png
20 ms
btn_howtouse.png
18 ms
btn_howtoinstall.png
20 ms
btn_dl_chrome.png
20 ms
btn_dl_firefox.png
120 ms
btn_dl_safari.png
67 ms
btn_dl_iphone.png
68 ms
banner_nanapi.png
125 ms
btn_blog.png
68 ms
btn_twitter.png
118 ms
calil_banner.gif
119 ms
button-only.gif
260 ms
ads
189 ms
osd.js
31 ms
__utm.gif
60 ms
btn_howtouse_over.png
51 ms
button.831500944bc3eb7ea5276ccdc3f71d2e.js
155 ms
btn_howtoinstall_over.png
48 ms
btn_dl_chrome_over.png
46 ms
btn_dl_firefox_over.png
47 ms
btn_dl_safari_over.png
47 ms
btn_dl_iphone_over.png
47 ms
btn_blog_over.png
46 ms
btn_twitter_over.png
55 ms
like.php
232 ms
28 ms
122 ms
xd_arbiter.php
175 ms
xd_arbiter.php
273 ms
reset.css
5 ms
entry-button.css
7 ms
button-counter.gif
6 ms
18100265067498690522
28 ms
abg.js
28 ms
m_js_controller.js
34 ms
googlelogo_color_112x36dp.png
79 ms
tweet_button.6a78875565a912489e9aef879c881358.ja.html
68 ms
x_button_blue2.png
20 ms
s
20 ms
vpc6VNjRPXV.js
272 ms
LVx-xkvaJ0b.png
309 ms
MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js
4 ms
jot
89 ms
ping
124 ms
ui
39 ms
like_box.php
174 ms
fH5ORRrNfAg.css
40 ms
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78 ms
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150 ms
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187 ms
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175 ms
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221 ms
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252 ms
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259 ms
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259 ms
wL6VQj7Ab77.png
39 ms
s7jcwEQH7Sx.png
41 ms
I6-MnjEovm5.js
39 ms
vlXaquuXMrr.js
80 ms
activeview
12 ms
libron.net 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
Image elements do not have [alt] attributes
Links do not have a discernible name
libron.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
libron.net SEO score
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libron.net 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 Libron.net 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.
libron.net
Open Graph description is not detected on the main page of Libron. 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: