5.3 sec in total
566 ms
3.8 sec
881 ms
Click here to check amazing Sirenworks content for Japan. Otherwise, check out these important facts you probably never knew about sirenworks.com
システム開発をメインに企画から運用まで、直接契約でコストを抑えて業務を一任して頂けます。
Visit sirenworks.comWe analyzed Sirenworks.com page load time and found that the first response time was 566 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
sirenworks.com performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value3.9 s
52/100
25%
Value7.8 s
23/100
10%
Value2,830 ms
3/100
30%
Value1.065
2/100
15%
Value10.4 s
24/100
10%
566 ms
514 ms
361 ms
363 ms
369 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 25% of them (20 requests) were addressed to the original Sirenworks.com, 20% (16 requests) were made to Fonts.gstatic.com and 18% (14 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Sirenworks.com.
Page size can be reduced by 739.0 kB (38%)
2.0 MB
1.2 MB
In fact, the total size of Sirenworks.com main page is 2.0 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 15.8 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 15.8 kB or 69% of the original size.
Potential reduce by 79.2 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. Sirenworks images are well optimized though.
Potential reduce by 606.7 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 606.7 kB or 68% of the original size.
Potential reduce by 37.4 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. Sirenworks.com needs all CSS files to be minified and compressed as it can save up to 37.4 kB or 80% of the original size.
Number of requests can be reduced by 33 (53%)
62
29
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sirenworks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
sirenworks.com
566 ms
jquery.min.js
514 ms
skel.min.js
361 ms
skel-layers.min.js
363 ms
iconwc.js
369 ms
init.js
370 ms
css
68 ms
css
80 ms
style.css
383 ms
style-xlarge.css
343 ms
font-awesome.min.css
348 ms
notosansjapanese.css
24 ms
css
35 ms
analytics.js
133 ms
logo.png
415 ms
overlay2.png
413 ms
banner.jpg
1327 ms
video1.jpg
802 ms
video_bg.png
415 ms
minami.jpg
1011 ms
video2.jpg
1278 ms
10songs.png
1012 ms
kiyoto.jpg
1661 ms
overlay.png
1326 ms
room.jpg
1870 ms
place
634 ms
Q94aHXFHGip10K5uxi1jOLO3LdcAZYWl9Si6vvxL-qU.woff
53 ms
y7lebkjgREBJK96VQi37ZrrIa-7acMAeDBVuclsi6Gc.woff
61 ms
dazS1PrQQuCxC3iOAJFEJRbnBKKEOwRKgsHDreGcocg.woff
62 ms
NotoSansJP-Bold.woff
145 ms
NotoSansJP-Black.woff
160 ms
NotoSansJP-Medium.woff
147 ms
NotoSansJP-Regular.woff
159 ms
NotoSansJP-DemiLight.woff
155 ms
NotoSansJP-Light.woff
150 ms
NotoSansJP-Thin.woff
153 ms
JbtMzqLaYbbbCL9X6EvaI73hpw3pgy2gAi-Ip7WPMi0.woff
146 ms
cIFypx4yrWPDz3zOxk7hIQLUuEpTyoUstqEm5AMlJo4.woff
154 ms
collect
15 ms
js
57 ms
init_embed.js
38 ms
common.js
44 ms
map.js
56 ms
google4.png
68 ms
overlay.js
24 ms
util.js
65 ms
onion.js
66 ms
search_impl.js
65 ms
stats.js
32 ms
openhand_8_8.cur
40 ms
ViewportInfoService.GetViewportInfo
59 ms
ViewportInfoService.GetViewportInfo
30 ms
kh
50 ms
transparent.png
23 ms
controls.js
19 ms
transparent.png
71 ms
css
69 ms
entity11.png
69 ms
vt
156 ms
vt
189 ms
vt
110 ms
vt
125 ms
vt
127 ms
vt
119 ms
vt
176 ms
vt
197 ms
vt
193 ms
vt
201 ms
vt
243 ms
vt
241 ms
vt
251 ms
mapcnt6.png
33 ms
sv5.png
48 ms
tmapctrl.png
38 ms
CrYjSnGjrRCn0pd9VQsnFOvvDin1pK8aKteLpeZ5c0A.woff
10 ms
RxZJdnzeo3R5zSexge8UUbO3LdcAZYWl9Si6vvxL-qU.woff
10 ms
Hgo13k-tfSpn0qi1SFdUfbO3LdcAZYWl9Si6vvxL-qU.woff
18 ms
d-6IYplOFocCacKzxwXSOLO3LdcAZYWl9Si6vvxL-qU.woff
18 ms
AuthenticationService.Authenticate
14 ms
sirenworks.com 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.
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
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sirenworks.com 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
sirenworks.com 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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sirenworks.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sirenworks.com 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.
sirenworks.com
Open Graph description is not detected on the main page of Sirenworks. 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: