6.8 sec in total
930 ms
5.5 sec
387 ms
Click here to check amazing Biseisha content for Japan. Otherwise, check out these important facts you probably never knew about biseisha.co.jp
美誠社は高校英語の図書教材を出版している出版社です。「英語の構文150」「アットウイル総合英語」をはじめとする参考書・問題集を出版しています。
Visit biseisha.co.jpWe analyzed Biseisha.co.jp page load time and found that the first response time was 930 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
biseisha.co.jp performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value16.8 s
0/100
25%
Value11.7 s
4/100
10%
Value160 ms
94/100
30%
Value0.123
84/100
15%
Value11.6 s
18/100
10%
930 ms
1123 ms
225 ms
950 ms
974 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 93% of them (50 requests) were addressed to the original Biseisha.co.jp, 6% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Biseisha.co.jp.
Page size can be reduced by 319.2 kB (20%)
1.6 MB
1.3 MB
In fact, the total size of Biseisha.co.jp main page is 1.6 MB. 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 1.4 MB which makes up the majority of the site volume.
Potential reduce by 9.3 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 9.3 kB or 79% of the original size.
Potential reduce by 120.3 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. Biseisha images are well optimized though.
Potential reduce by 108.1 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 108.1 kB or 64% of the original size.
Potential reduce by 81.5 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. Biseisha.co.jp needs all CSS files to be minified and compressed as it can save up to 81.5 kB or 90% of the original size.
Number of requests can be reduced by 9 (18%)
51
42
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biseisha. 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 as a result speed up the page load time.
biseisha.co.jp
930 ms
www.biseisha.co.jp
1123 ms
cmn.css
225 ms
contents.css
950 ms
jquery-1.7.2.min.js
974 ms
jquery-ua.js
437 ms
jquery.tile.js
444 ms
biggerlink.js
441 ms
utility.js
453 ms
category.js
634 ms
ga.js
662 ms
GA-AutoTracking-biseisha.co.jp.js
644 ms
css
25 ms
analytics.js
69 ms
bg_top.png
360 ms
logo.png
185 ms
mn_01_on.png
183 ms
mn_01.png
202 ms
mn_02_on.png
196 ms
mn_02.png
206 ms
mn_03_on.png
366 ms
mn_03.png
367 ms
mn_04_on.png
392 ms
mn_04.png
402 ms
mn_05_on.png
411 ms
mn_05.png
570 ms
mn_06_on.png
561 ms
mn_06.png
563 ms
img_bk_01.jpg
1862 ms
img_bk_02.jpg
1897 ms
img_bk_03.jpg
1747 ms
img_bk_04.jpg
967 ms
img_bk_05.jpg
977 ms
img_bk_06.jpg
1014 ms
img_bk_07.jpg
1159 ms
img_bk_08.jpg
1360 ms
img_bk_09.jpg
2272 ms
img_bk_10.jpg
1357 ms
img_bk_11.jpg
1549 ms
img_bk_12.jpg
1750 ms
img_bk_13.jpg
2106 ms
img_bk_14.jpg
1950 ms
img_bk_15.jpg
1938 ms
icon_lab.png
2063 ms
ttil_lab_01.png
2092 ms
ttil_lab_02.png
2119 ms
img_end.png
2161 ms
icon_oshirase.png
2262 ms
arrow_02.png
2285 ms
bg_footer.png
2281 ms
linkid.js
8 ms
collect
24 ms
btn_pagetop.png
2127 ms
btn_index.png
2185 ms
biseisha.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.
biseisha.co.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
biseisha.co.jp SEO score
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biseisha.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 Biseisha.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.
biseisha.co.jp
Open Graph description is not detected on the main page of Biseisha. 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: