12.1 sec in total
669 ms
11.3 sec
135 ms
Visit imagine.bookmap.info now to see the best up-to-date IMAGINE Book Map content for Japan and also check out these interesting facts you probably never knew about imagine.bookmap.info
現代を読み解く1000のテーマやWikipediaの23万項目を基点に本を探せる究極の書籍検索サイト。世界一の本の街、神田神保町の在庫27万冊や文化遺産5000件の写真も一覧できます。
Visit imagine.bookmap.infoWe analyzed Imagine.bookmap.info page load time and found that the first response time was 669 ms and then it took 11.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
imagine.bookmap.info performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value5.9 s
14/100
25%
Value7.4 s
28/100
10%
Value40 ms
100/100
30%
Value0.036
100/100
15%
Value5.8 s
67/100
10%
669 ms
367 ms
371 ms
376 ms
398 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 92% of them (57 requests) were addressed to the original Imagine.bookmap.info, 8% (5 requests) were made to Imagine.cs.nii.ac.jp. The less responsive or slowest element that took the longest time to load (5.4 sec) relates to the external source Imagine.cs.nii.ac.jp.
Page size can be reduced by 22.4 kB (47%)
48.0 kB
25.6 kB
In fact, the total size of Imagine.bookmap.info main page is 48.0 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. 20% of websites need less resources to load. Images take 28.0 kB which makes up the majority of the site volume.
Potential reduce by 15.6 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 15.6 kB or 78% of the original size.
Potential reduce by 6.8 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, IMAGINE Book Map needs image optimization as it can save up to 6.8 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Number of requests can be reduced by 30 (50%)
60
30
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IMAGINE Book Map. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
index.jsp
669 ms
imagine.css
367 ms
default.css
371 ms
prototype.js
376 ms
default.js
398 ms
imagine.js
832 ms
json.js
602 ms
prototype.js
1911 ms
scriptaculous.js
776 ms
highslide.js
1194 ms
highslide-html.js
794 ms
builder.js
337 ms
effects.js
704 ms
dragdrop.js
736 ms
controls.js
757 ms
slider.js
394 ms
sound.js
410 ms
jadob.png
5368 ms
btn_detail.gif
358 ms
btn_imagine_2.gif
371 ms
btn_drag.gif
374 ms
btn_drag_2.gif
405 ms
bg_word_btm.png
410 ms
btn_more.gif
435 ms
bg_col_btm.png
714 ms
bg_col_repeat.gif
792 ms
bg_header.jpg
955 ms
ttl_h1.png
1054 ms
bg_textarea_tp.png
816 ms
btn_imagine.gif
864 ms
nil.gif
1118 ms
btn_clear.gif
1141 ms
bg_textarea_btm.png
1205 ms
bg_header_rt.png
1292 ms
bg_shadow.gif
1379 ms
tab_db_list.png
1451 ms
btn_close.gif
1496 ms
bg_ttl_db_list_line.gif
1507 ms
bg_db_list.png
1604 ms
bg_db_list_btm.png
1653 ms
tab_col.png
1754 ms
bg_ttl_col_line.gif
1835 ms
bg_col.png
1879 ms
bg_col_top_btm.png
1917 ms
tab_word.png
1990 ms
bg_ttl_word_line.gif
2003 ms
bg_word.png
2088 ms
btn_yahoo.gif
2207 ms
btn_google.gif
2258 ms
btn_goo.gif
2283 ms
bg_word_ttl_line_btm.gif
2347 ms
bg_ttl_site.gif
2390 ms
bg_word_top_btm.png
2445 ms
ndl.png
5360 ms
junkudo.jpg
5361 ms
jimbou.png
5377 ms
wcp.png
5400 ms
bg_help_v_tp.png
2546 ms
btn_close_2.gif
2277 ms
bg_help_v_btm.png
2267 ms
bg_help_h_tp.png
2329 ms
bg_help_h_btm.png
2346 ms
imagine.bookmap.info 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
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
Form elements do not have associated labels
imagine.bookmap.info 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
imagine.bookmap.info SEO score
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Imagine.bookmap.info 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 Imagine.bookmap.info 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.
imagine.bookmap.info
Open Graph description is not detected on the main page of IMAGINE Book Map. 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: