6.4 sec in total
497 ms
5.8 sec
114 ms
Welcome to seaandsea.jp homepage info - get ready to check SEA And best content for Switzerland right away, or after learning these important things about seaandsea.jp
sea&sea is the only company in the world that manufactures only underwater imaging equipment.
Visit seaandsea.jpWe analyzed Seaandsea.jp page load time and found that the first response time was 497 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.
seaandsea.jp performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value13.0 s
0/100
25%
Value12.2 s
3/100
10%
Value250 ms
84/100
30%
Value1.089
1/100
15%
Value12.6 s
14/100
10%
497 ms
628 ms
296 ms
293 ms
297 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 94% of them (64 requests) were addressed to the original Seaandsea.jp, 3% (2 requests) were made to Delight.ne.jp and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Seaandsea.jp.
Page size can be reduced by 400.7 kB (51%)
786.4 kB
385.8 kB
In fact, the total size of Seaandsea.jp main page is 786.4 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. 35% of websites need less resources to load. Javascripts take 367.3 kB which makes up the majority of the site volume.
Potential reduce by 18.0 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. This page needs HTML code to be minified as it can gain 3.4 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.0 kB or 78% of the original size.
Potential reduce by 29.4 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. SEA And images are well optimized though.
Potential reduce by 276.3 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 276.3 kB or 75% of the original size.
Potential reduce by 77.0 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. Seaandsea.jp needs all CSS files to be minified and compressed as it can save up to 77.0 kB or 85% of the original size.
Number of requests can be reduced by 25 (40%)
63
38
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEA And. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
seaandsea.jp
497 ms
www.seaandsea.jp
628 ms
style_page.css
296 ms
top_page.css
293 ms
headmenu.css
297 ms
styleswitcher.js
295 ms
script.js
301 ms
top_owabi.css
439 ms
prototype.js
1167 ms
jquery-1.3.1.min.js
874 ms
jquery.easing.1.3.js
588 ms
scriptaculous.js
1042 ms
browserdetect.js
600 ms
product_browser.js
729 ms
navigations.js
883 ms
vticker.js
890 ms
marquee.js
1025 ms
productbrowser.css
1167 ms
common.css
1177 ms
default.css
1325 ms
main.css
1318 ms
vticker.css
1331 ms
pc.css
1460 ms
top_img.js
1457 ms
in.js
314 ms
style.css
1328 ms
header.css
1334 ms
big.css
303 ms
normal.css
302 ms
base.gif
295 ms
hd_logo.gif
294 ms
hd_bullet.gif
296 ms
hd_size_s_r.gif
295 ms
hd_size_s.gif
297 ms
hd_size_m_r.gif
299 ms
hd_size_m.gif
584 ms
hd_size_l_r.gif
585 ms
hd_size_l.gif
588 ms
1.jpg
732 ms
2.jpg
588 ms
3.jpg
733 ms
4.jpg
1022 ms
5.jpg
880 ms
6.jpg
884 ms
7.jpg
1037 ms
8.jpg
1171 ms
top_img.jpg
1629 ms
top_news.gif
1170 ms
top_rss.gif
1176 ms
top_info.gif
1315 ms
top_pickup.gif
1337 ms
000040.jpg.jpg
1607 ms
000039.jpg.jpg
1612 ms
catalog_bnr2015-16.gif
1613 ms
seasea-bana-english.gif
1750 ms
ft_copyright.gif
1632 ms
none
1884 ms
top_arrow.gif
1891 ms
dotline.gif
1898 ms
top_icon_new.gif
1904 ms
top_icon_update.gif
1912 ms
top_shop02.gif
2035 ms
ga.js
4 ms
in.cgi
628 ms
__utm.gif
11 ms
small.css
153 ms
date.xml
296 ms
productbrowser_scrollbar.png
294 ms
seaandsea.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.
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
seaandsea.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
seaandsea.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seaandsea.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Seaandsea.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.
seaandsea.jp
Open Graph description is not detected on the main page of SEA And. 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: