6 sec in total
1.5 sec
4.3 sec
180 ms
Visit airbook.jp now to see the best up-to-date Airbook content for Japan and also check out these interesting facts you probably never knew about airbook.jp
エア新書はサービスを終了しました。
Visit airbook.jpWe analyzed Airbook.jp page load time and found that the first response time was 1.5 sec and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
airbook.jp performance score
name
value
score
weighting
Value1.4 s
97/100
10%
Value1.8 s
98/100
25%
Value1.6 s
100/100
10%
Value40 ms
100/100
30%
Value0.008
100/100
15%
Value1.8 s
100/100
10%
1523 ms
4 ms
16 ms
13 ms
1057 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 51% of them (29 requests) were addressed to the original Airbook.jp, 35% (20 requests) were made to Airbook-data.s3.amazonaws.com and 5% (3 requests) were made to A248.e.akamai.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Airbook.jp.
Page size can be reduced by 303.2 kB (59%)
513.1 kB
209.9 kB
In fact, the total size of Airbook.jp main page is 513.1 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. 25% of websites need less resources to load. Javascripts take 356.2 kB which makes up the majority of the site volume.
Potential reduce by 9.5 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 9.5 kB or 63% of the original size.
Potential reduce by 0 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. Airbook images are well optimized though.
Potential reduce by 279.9 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 279.9 kB or 79% of the original size.
Potential reduce by 13.8 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. Airbook.jp needs all CSS files to be minified and compressed as it can save up to 13.8 kB or 85% of the original size.
Number of requests can be reduced by 18 (32%)
56
38
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Airbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
airbook.jp
1523 ms
import.css
4 ms
prototype.js
16 ms
common.js
13 ms
HatenaStar.js
1057 ms
iida.js
8 ms
ad.js
539 ms
init.css
8 ms
styles.css
11 ms
logo_airbooks.gif
45 ms
mCHwR5PhhA9Avd5CEbX4RHQMHCNjn1t7Hxv_s.jpg
55 ms
bg_navigation.gif
36 ms
nav_all.gif
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nav_book.gif
35 ms
nav_music.gif
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nav_movie.gif
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nav_web.gif
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nav_elec.gif
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159 ms
ad.kau.li
409 ms
ga.js
25 ms
__utm.gif
24 ms
ad.js
505 ms
ad1.js
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format_250x250.js
386 ms
airbook.jp accessibility score
airbook.jp 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
airbook.jp SEO score
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 Airbook.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 Airbook.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.
airbook.jp
Open Graph description is not detected on the main page of Airbook. 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: