6.9 sec in total
575 ms
5.6 sec
766 ms
Visit paiza.jp now to see the best up-to-date Paiza content for Japan and also check out these interesting facts you probably never knew about paiza.jp
ITエンジニア・プログラマ専門の総合求職・学習サイト【paiza(パイザ)】。プログラミングスキルチェックで実力を可視化し、スキルがあると認められれば企業からスカウトが届くなど転職が有利に。学歴や職歴ではなく「技術がある人」が評価されるサービスです。
Visit paiza.jpWe analyzed Paiza.jp page load time and found that the first response time was 575 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
paiza.jp performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value11.8 s
0/100
25%
Value12.2 s
3/100
10%
Value1,080 ms
24/100
30%
Value0
100/100
15%
Value20.3 s
2/100
10%
575 ms
301 ms
312 ms
305 ms
307 ms
Our browser made a total of 129 requests to load all elements on the main page. We found that 92% of them (119 requests) were addressed to the original Paiza.jp, 2% (2 requests) were made to Stats.g.doubleclick.net and 2% (2 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Paiza.jp.
Page size can be reduced by 823.5 kB (24%)
3.5 MB
2.6 MB
In fact, the total size of Paiza.jp main page is 3.5 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. 50% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 46.5 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 46.5 kB or 72% of the original size.
Potential reduce by 23.0 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. Paiza images are well optimized though.
Potential reduce by 496.9 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 496.9 kB or 69% of the original size.
Potential reduce by 257.1 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. Paiza.jp needs all CSS files to be minified and compressed as it can save up to 257.1 kB or 91% of the original size.
Number of requests can be reduced by 52 (41%)
127
75
The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Paiza. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
paiza.jp
575 ms
application-6db72ec03baa4c37293deffd7aeedebb.css
301 ms
application-fd3bf0c5b8b821ea9f19ca88e6ebe8bb.css
312 ms
reset.css
305 ms
common-2c67f3e682cc3aa85d75196ae2cad27a.css
307 ms
thickbox-48c095326be08c9f141739d060f714a1.css
325 ms
application-5ac445b6637d61a4672c82afa28990b5.js
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css_browser_selector.js
450 ms
jquery.easingscroll.js
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jquery.ah-placeholder.js
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lang_ver.js
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config.js
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textshadow.js
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thickbox.js
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thickbox_config.js
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sidenav.js
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opinion-6521ad47492e5111df3a19e59485442c.js
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login-af4719480452e3f6dcf5d17307840be2.js
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application-3d6db8fbb49f23d4da8e193f7813e8d8.js
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bookmark-247de8727c72eb8db5181c191eb43943.js
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layout.css
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top-168e520ccbb116b1f249cd5cf584e74c.js
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ace.js
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ace_editor-41660c456bd65a582492c64f0cd063e6.js
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home-340199802ff7aaacfd3cd734c83a67c2.js
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conversion.js
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like.php
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logo_16.gif
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logo_17_2.gif
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logo_kaizen.gif
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learning460x160.jpg
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apc_main.jpg
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icon_blank_color.gif
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atled_main.jpg
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geisha_main_03.jpg
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howtv_main.jpg
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hitomedia_01.jpg
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print.css
150 ms
paiza.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
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
paiza.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
paiza.jp 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
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Paiza.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 Paiza.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.
paiza.jp
Open Graph data is detected on the main page of Paiza. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: