8.5 sec in total
1.3 sec
7 sec
224 ms
Click here to check amazing Seikaisha content for Japan. Otherwise, check out these important facts you probably never knew about seikaisha.co.jp
星海社は、新しいテクノロジーの力を得た新しい才能が放つ新しい輝きを信じて、あなたの「人生のカーブを切らせる」出版社です。
Visit seikaisha.co.jpWe analyzed Seikaisha.co.jp page load time and found that the first response time was 1.3 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
seikaisha.co.jp performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value6.4 s
9/100
25%
Value10.0 s
9/100
10%
Value1,080 ms
24/100
30%
Value0.015
100/100
15%
Value10.3 s
24/100
10%
1302 ms
354 ms
362 ms
177 ms
1453 ms
Our browser made a total of 122 requests to load all elements on the main page. We found that 70% of them (85 requests) were addressed to the original Seikaisha.co.jp, 16% (19 requests) were made to Maps.google.com and 7% (9 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Seikaisha.co.jp.
Page size can be reduced by 593.9 kB (43%)
1.4 MB
778.7 kB
In fact, the total size of Seikaisha.co.jp main page is 1.4 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. 60% of websites need less resources to load. Javascripts take 628.4 kB which makes up the majority of the site volume.
Potential reduce by 100.9 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 100.9 kB or 83% of the original size.
Potential reduce by 18.3 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. Seikaisha images are well optimized though.
Potential reduce by 428.3 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 428.3 kB or 68% of the original size.
Potential reduce by 46.4 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. Seikaisha.co.jp needs all CSS files to be minified and compressed as it can save up to 46.4 kB or 88% of the original size.
Number of requests can be reduced by 40 (34%)
117
77
The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seikaisha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
seikaisha.co.jp
1302 ms
importer.css
354 ms
loader.js
362 ms
distiller.css
177 ms
common.css
1453 ms
js
64 ms
fonts.windows.css
179 ms
google.analytics.js
183 ms
modernizr-latest.js
1407 ms
sML.js
702 ms
common.js
353 ms
dc.js
28 ms
inpage_linkid.js
21 ms
__utm.gif
12 ms
fictions-1603_majiopekuuge-thumb-100xauto-487.jpg
1646 ms
star_bg.gif
178 ms
grid.gif
183 ms
logo.gif
178 ms
Information_link.gif
177 ms
Publication_link.gif
182 ms
Philosophy_link.gif
353 ms
CorporateProfile_link.gif
351 ms
SaiZenSen_link.gif
353 ms
JiSedai_link.gif
1462 ms
forBooksellers_link.gif
361 ms
SaiZenSen_link.gif
364 ms
JiSedai_link.gif
527 ms
Twitter_link.gif
528 ms
h2_featuring-Philosophy.png
1407 ms
triangle_e_link.gif
542 ms
h2_featuring-CorporateProfile.png
543 ms
Hoshineko_FeaturedInformation-header_bg.gif
702 ms
h2_latest-Information.gif
704 ms
RSS_link.gif
721 ms
NewPublication.gif
722 ms
ReleaseDate.gif
877 ms
Detail_link.gif
879 ms
triangle_n_link.gif
903 ms
h1_Information.gif
904 ms
Announcement.gif
1052 ms
Hoshineko_icon_01.gif
1055 ms
h1_Publication.gif
1084 ms
h1_Philosophy.gif
1084 ms
h1_CorporateProfile.gif
1227 ms
h1_SaiZenSen.gif
1229 ms
SaiZenSen.png
1444 ms
h1_JiSedai.gif
1264 ms
JiSedai.png
1402 ms
h1_forBooksellers.gif
1405 ms
adobe-reader.png
1445 ms
comics-1603_fgo-thumb-100xauto-485.jpg
1933 ms
bunko-1603_feno3-thumb-100xauto-486.jpg
1940 ms
bunko-1603_samuraig5-thumb-100xauto-484.jpg
2046 ms
piece-1602_sekishun-thumb-100xauto-483.jpg
1943 ms
fictions-1602_ingressnobel-thumb-100xauto-482.jpg
1951 ms
shinsho-1602_edosigusashuen-thumb-100xauto-481.jpg
1781 ms
fictions-1602_sevens-thumb-100xauto-478.jpg
2117 ms
fictions-1602_ginga1-thumb-100xauto-480.jpg
2278 ms
comics-1602_tomo2-thumb-100xauto-479.jpg
2114 ms
piece-1601_fatezerobijutsu-thumb-100xauto-474.jpg
2119 ms
9784061385801-thumb-100xauto-477.jpg
2133 ms
h1_PrivacyPolicy.gif
1442 ms
Hoshineko_icon_04.gif
1409 ms
Hoshineko_icon_02.gif
1411 ms
Hoshineko_icon_05.gif
1456 ms
Hoshineko_icon_03.gif
1451 ms
Information_hover.gif
1459 ms
Information_active.gif
1408 ms
Publication_hover.gif
1409 ms
Publication_active.gif
1410 ms
Philosophy_hover.gif
1450 ms
Philosophy_active.gif
1450 ms
CorporateProfile_hover.gif
1291 ms
CorporateProfile_active.gif
1406 ms
SaiZenSen_hover.gif
1396 ms
SaiZenSen_active.gif
1395 ms
JiSedai_hover.gif
1289 ms
JiSedai_active.gif
1287 ms
forBooksellers_hover.gif
1272 ms
forBooksellers_active.gif
1387 ms
SaiZenSen_hover.gif
1235 ms
SaiZenSen_active.gif
1235 ms
JiSedai_hover.gif
1266 ms
JiSedai_active.gif
1267 ms
Twitter_hover.gif
1121 ms
Twitter_active.gif
1229 ms
triangle_n_hover.gif
1202 ms
triangle_n_active.gif
1203 ms
common.js
20 ms
map.js
19 ms
util.js
79 ms
marker.js
78 ms
onion.js
24 ms
openhand_8_8.cur
56 ms
ViewportInfoService.GetViewportInfo
104 ms
stats.js
43 ms
controls.js
36 ms
infowindow.js
56 ms
transparent.png
26 ms
css
76 ms
google4.png
79 ms
map-marker.png
247 ms
mapcnt6.png
169 ms
sv5.png
170 ms
tmapctrl.png
22 ms
cb_scout5.png
30 ms
tmapctrl4.png
28 ms
imgs8.png
30 ms
vt
214 ms
vt
27 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
32 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
50 ms
Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf
203 ms
d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf
204 ms
vt
203 ms
vt
204 ms
vt
51 ms
vt
205 ms
vt
206 ms
vt
206 ms
vt
207 ms
vt
205 ms
seikaisha.co.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
Links do not have a discernible name
seikaisha.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
seikaisha.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 Seikaisha.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 Seikaisha.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.
seikaisha.co.jp
Open Graph description is not detected on the main page of Seikaisha. 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: