5.3 sec in total
1 sec
4 sec
171 ms
Click here to check amazing 1 Book content for Japan. Otherwise, check out these important facts you probably never knew about 1book.co.jp
書店向けFax DMを使って、多く書店に本を置いてもらいましょう。書店向けFaxDM・FAX送信は、日本著者販促センターにお任せください!書店向けFaxDMとは、ファックスを通じて本の案内を書店に送るサービス。あなたに代わってFaxが注文を取ってきます。
Visit 1book.co.jpWe analyzed 1book.co.jp page load time and found that the first response time was 1 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
1book.co.jp performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value11.3 s
0/100
25%
Value6.8 s
34/100
10%
Value10 ms
100/100
30%
Value0.001
100/100
15%
Value4.2 s
85/100
10%
1039 ms
652 ms
401 ms
378 ms
517 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 88% of them (37 requests) were addressed to the original 1book.co.jp, 10% (4 requests) were made to Google-analytics.com and 2% (1 request) were made to Client.12no3.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain 1book.co.jp.
Page size can be reduced by 27.1 kB (8%)
331.1 kB
304.0 kB
In fact, the total size of 1book.co.jp main page is 331.1 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. 20% of websites need less resources to load. Images take 274.5 kB which makes up the majority of the site volume.
Potential reduce by 7.9 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 7.9 kB or 67% of the original size.
Potential reduce by 801 B
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. 1 Book images are well optimized though.
Potential reduce by 2.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 15.7 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. 1book.co.jp needs all CSS files to be minified and compressed as it can save up to 15.7 kB or 85% of the original size.
Number of requests can be reduced by 12 (29%)
41
29
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 1 Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
1book.co.jp
1039 ms
style-site.css
652 ms
font.php
401 ms
bsn.Crossfader.js
378 ms
css.js
517 ms
urchin.js
21 ms
header_bg.gif
216 ms
header_logo.gif
333 ms
submenu_rss.gif
209 ms
submenu_home.gif
165 ms
submenu_about.gif
321 ms
submenu_shopinfo.gif
333 ms
header_contact.gif
551 ms
header_tel.gif
389 ms
mainmenu_bg.gif
412 ms
mainmenu_cat01.gif
500 ms
mainmenu_cat02.gif
500 ms
mainmenu_cat03.gif
501 ms
mainmenu_cat04.gif
572 ms
mainmenu_cat05.gif
606 ms
mainmenu_cat06.gif
672 ms
mainimage_01.jpg
1141 ms
mainimage_02.jpg
2372 ms
mainimage_03.jpg
1192 ms
mainimage_04.jpg
2478 ms
top_label_whyfaxdm.gif
817 ms
top_bg_whyfaxdm.jpg
2520 ms
common_ancer_allow.gif
1902 ms
top_label_dmknowledge.gif
1746 ms
top_label_pubknowledge.gif
1895 ms
topmenu_plan.gif
2037 ms
topmenu_example.gif
2075 ms
topmenu_faq.gif
2091 ms
topside_label_fax.gif
2221 ms
topside_icon_fax.gif
2253 ms
topside_btn_fax.gif
2283 ms
topside_label_news.gif
2384 ms
common_icon_bluedot.gif
2432 ms
common_banner_epar.gif
2482 ms
__utm.gif
10 ms
ga.js
22 ms
__utm.gif
11 ms
1book.co.jp accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Image elements do not have [alt] attributes
1book.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
1book.co.jp 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
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 1book.co.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 1book.co.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.
1book.co.jp
Open Graph description is not detected on the main page of 1 Book. 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: