5.2 sec in total
534 ms
4.2 sec
404 ms
Welcome to astroarts.jp homepage info - get ready to check Astroarts best content right away, or after learning these important things about astroarts.jp
宇宙に関する最新ニュースや、注目の天文現象などを紹介するサイト。天体写真の投稿コーナーや天文グッズ専門のオンラインショップも。
Visit astroarts.jpWe analyzed Astroarts.jp page load time and found that the first response time was 534 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
astroarts.jp performance score
name
value
score
weighting
Value4.5 s
14/100
10%
Value8.3 s
2/100
25%
Value7.7 s
24/100
10%
Value150 ms
95/100
30%
Value0
100/100
15%
Value8.6 s
37/100
10%
534 ms
790 ms
820 ms
331 ms
349 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Astroarts.jp, 85% (70 requests) were made to Astroarts.co.jp and 10% (8 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Astroarts.co.jp.
Page size can be reduced by 143.5 kB (20%)
713.8 kB
570.3 kB
In fact, the total size of Astroarts.jp main page is 713.8 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. 45% of websites need less resources to load. Images take 527.6 kB which makes up the majority of the site volume.
Potential reduce by 36.5 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 36.5 kB or 75% of the original size.
Potential reduce by 11.3 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. Astroarts images are well optimized though.
Potential reduce by 62.8 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 62.8 kB or 65% of the original size.
Potential reduce by 33.0 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. Astroarts.jp needs all CSS files to be minified and compressed as it can save up to 33.0 kB or 80% of the original size.
Number of requests can be reduced by 28 (35%)
79
51
The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astroarts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
astroarts.jp
534 ms
www.astroarts.co.jp
790 ms
jquery.js
820 ms
index.css
331 ms
moonage.js
349 ms
products.js
326 ms
general.css
170 ms
general_sm.css
176 ms
rss.gif
165 ms
lightbox.css
171 ms
webservices.css
166 ms
header.jpg
519 ms
newshead.jpg
208 ms
galaxy.gif
205 ms
bn_2016jupiter.png
204 ms
goods.gif
205 ms
phenomena.gif
396 ms
shop.gif
397 ms
solarsys.gif
392 ms
discovery.gif
394 ms
event.gif
399 ms
reading.gif
511 ms
others.gif
510 ms
bn_stlshot_t.png
834 ms
bn_stlnav10upgrade_t.gif
676 ms
bn_workshop160326_t.gif
694 ms
workshop.png
672 ms
announce.png
673 ms
twitter.png
681 ms
youtube.png
834 ms
link.png
836 ms
kachoufugetsu.png
840 ms
kakehashi_s.jpg
851 ms
newshead.jpg
866 ms
newshead.jpg
996 ms
bn_nikon.jpg
997 ms
paonavi.png
998 ms
spacedev.gif
1004 ms
thumb.png
1018 ms
guide.png
1039 ms
gl_20160309solareclipse.png
1157 ms
gallery.png
1157 ms
gl_2016jupiter.png
1160 ms
hn_1604.png
1167 ms
hoshinavi.png
1186 ms
hn_ag2016.png
1212 ms
pr_sn10.png
1305 ms
cse.js
175 ms
moonage-j.shtml
1128 ms
product.png
1132 ms
pr_stlshot.png
1138 ms
jsapi
38 ms
pr_si7.png
1158 ms
default+ja.css
18 ms
default.css
61 ms
default+ja.I.js
15 ms
default.css
113 ms
async-ads.js
113 ms
google_custom_search_watermark.gif
78 ms
small-logo.png
90 ms
search_box_icon.png
95 ms
clear.gif
37 ms
pr_mobile.png
1002 ms
thumb.png
1095 ms
workshop.png
1097 ms
sp_heater_aquila.png
1098 ms
shop.png
1108 ms
sp_head_lamp_ex180hl.png
1025 ms
nw_160314cib.png
1061 ms
news.png
1140 ms
nw_160310smallgalaxies.png
983 ms
nw_160308lmc.png
986 ms
nw_160304tmc1a.png
998 ms
nw_160225frb.png
1020 ms
nw_160217hitomi.png
1051 ms
twitter-side.png
982 ms
tab.gif
984 ms
background.png
985 ms
tab_bottom.gif
998 ms
triangle.gif
1020 ms
footer.png
1051 ms
astro-moonage.fcgi
649 ms
astroarts.jp 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
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
astroarts.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
astroarts.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
JA
JA
EUC-JP
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Astroarts.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 Astroarts.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
astroarts.jp
Open Graph description is not detected on the main page of Astroarts. 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: