21.7 sec in total
477 ms
21 sec
257 ms
Visit silver.zero.jp now to see the best up-to-date Silver Zero content for Japan and also check out these interesting facts you probably never knew about silver.zero.jp
プロバイダー「ZERO」は、低価格で安心・安全のインターネット接続サービスを提供する、GMOインターネットのサービスです。
Visit silver.zero.jpWe analyzed Silver.zero.jp page load time and found that the first response time was 477 ms and then it took 21.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
silver.zero.jp performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value8.4 s
2/100
25%
Value7.3 s
28/100
10%
Value340 ms
74/100
30%
Value0.01
100/100
15%
Value7.9 s
43/100
10%
477 ms
816 ms
349 ms
485 ms
861 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Silver.zero.jp, 69% (35 requests) were made to Zero.jp and 20% (10 requests) were made to Cache.img.gmo.jp. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Cv01.con-v.jp.
Page size can be reduced by 152.2 kB (53%)
288.2 kB
136.0 kB
In fact, the total size of Silver.zero.jp main page is 288.2 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. 20% of websites need less resources to load. Images take 120.7 kB which makes up the majority of the site volume.
Potential reduce by 59.4 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 59.4 kB or 87% of the original size.
Potential reduce by 3.0 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. Silver Zero images are well optimized though.
Potential reduce by 63.3 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 63.3 kB or 95% of the original size.
Potential reduce by 26.5 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. Silver.zero.jp needs all CSS files to be minified and compressed as it can save up to 26.5 kB or 80% of the original size.
Number of requests can be reduced by 18 (40%)
45
27
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Silver Zero. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.
silver.zero.jp
477 ms
zero.jp
816 ms
iepngfix.js
349 ms
style.css
485 ms
this.css
861 ms
script.js
258 ms
script.js
349 ms
prototype.js
19574 ms
effects.js
19574 ms
dragdrop.js
19574 ms
convcast.js
19573 ms
gmologo.png
221 ms
internet_for_everyone.png
213 ms
login_btn01.gif
208 ms
banner_wimax2+.jpg
373 ms
banner_emobile03.jpg
371 ms
bnr_yuutai.jpg
584 ms
footerstyle.css
64 ms
headerstyle.min.css
44 ms
footer.css
181 ms
logo_byGMO.gif
175 ms
header_img01.gif
203 ms
header_img02.gif
192 ms
global_menu01.gif
194 ms
global_menu02.gif
203 ms
global_menu03.gif
338 ms
global_menu04.gif
343 ms
main_bg01.gif
661 ms
mainImage_bg01.jpg
867 ms
mainImage_img02.gif
424 ms
mainImage_img03.gif
406 ms
mainImage_img04.gif
595 ms
main_img_bg02.gif
600 ms
login_ttl01.gif
2044 ms
login_ttl02.gif
1338 ms
login_ttl03.gif
774 ms
login_ttl05.gif
775 ms
loginatt_txt01.gif
821 ms
admission_btn01.gif
1820 ms
loginatt_txt02.gif
2342 ms
list_img01.gif
1694 ms
list_img14.gif
1708 ms
news_ttl01.gif
1517 ms
news_img01.gif
1730 ms
oldusrInfo.gif
1931 ms
news_masternet.gif
1937 ms
topbottom_bg.png
2781 ms
btn.png
67 ms
logo201601.png
62 ms
open_footer.png
62 ms
close_footer.png
67 ms
silver.zero.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
silver.zero.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
silver.zero.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Silver.zero.jp 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 Silver.zero.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.
silver.zero.jp
Open Graph description is not detected on the main page of Silver Zero. 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: