3.4 sec in total
683 ms
2.6 sec
162 ms
Click here to check amazing Seibu K Cyber Mail content for Japan. Otherwise, check out these important facts you probably never knew about seibu-k.cybermail.jp
Visit seibu-k.cybermail.jpWe analyzed Seibu-k.cybermail.jp page load time and found that the first response time was 683 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
seibu-k.cybermail.jp performance score
name
value
score
weighting
Value1.4 s
96/100
10%
Value3.8 s
56/100
25%
Value2.9 s
95/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value3.8 s
89/100
10%
683 ms
168 ms
501 ms
526 ms
535 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Seibu-k.cybermail.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (683 ms) belongs to the original domain Seibu-k.cybermail.jp.
Page size can be reduced by 98.9 kB (32%)
310.5 kB
211.6 kB
In fact, the total size of Seibu-k.cybermail.jp main page is 310.5 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 184.4 kB which makes up the majority of the site volume.
Potential reduce by 11.4 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. This page needs HTML code to be minified as it can gain 3.9 kB, which is 26% 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 11.4 kB or 76% of the original size.
Potential reduce by 7.8 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. Seibu K Cyber Mail images are well optimized though.
Potential reduce by 74.5 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 74.5 kB or 71% of the original size.
Potential reduce by 5.3 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. Seibu-k.cybermail.jp needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 78% of the original size.
Number of requests can be reduced by 5 (14%)
35
30
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seibu K Cyber Mail. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
seibu-k.cybermail.jp
683 ms
login.css
168 ms
libm2k.js
501 ms
msgtw.js
526 ms
OnScreenKeyboard.js
535 ms
v60_leftPartBg.jpg
165 ms
v60_logo_cm.png
179 ms
v60_angle_TL.png
175 ms
v60_angle_TR.png
181 ms
v60_angle_BL.png
329 ms
v60_angle_BR.png
342 ms
v60_loginWrap_TL.png
350 ms
v60_loginWrap_T.png
355 ms
v60_loginWrap_TR.png
360 ms
v60_loginWrap_L.png
361 ms
v45_capbk.gif
492 ms
v60_submit_new.gif
512 ms
v60_keyboardBtn.gif
523 ms
v60_loginWrap_R.png
532 ms
v60_loginWrap_BL.png
538 ms
v60_loginWrap_B.png
542 ms
v60_loginWrap_BR.png
654 ms
login_lang_list
167 ms
gen_capt
183 ms
btn_close.jpg
176 ms
ico_keyboard.jpg
182 ms
digits.jpg
341 ms
digits_down.jpg
359 ms
alphabets.jpg
470 ms
alphabets_down.jpg
515 ms
specials.jpg
522 ms
specials_down.jpg
539 ms
controls.jpg
511 ms
controls_down.jpg
539 ms
space.jpg
632 ms
space_down.jpg
681 ms
seibu-k.cybermail.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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
seibu-k.cybermail.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
seibu-k.cybermail.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seibu-k.cybermail.jp can be misinterpreted by Google and other search engines. Our service has detected that English 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 Seibu-k.cybermail.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.
seibu-k.cybermail.jp
Open Graph description is not detected on the main page of Seibu K Cyber Mail. 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: