3.3 sec in total
607 ms
2.4 sec
309 ms
Visit cpp-lang.sevendays-study.com now to see the best up-to-date Cpp Lang Sevendays Study content for Japan and also check out these interesting facts you probably never knew about cpp-lang.sevendays-study.com
すでにC言語について学んだプログラマーが1週間でC++言語でプログラミングが出来るように、基礎からきちんと学べるサイトです。オブジェクト指向やクラスの基本概念から、継承やSTLやテンプレートなどといった行動な話題まで取り扱っています。
Visit cpp-lang.sevendays-study.comWe analyzed Cpp-lang.sevendays-study.com page load time and found that the first response time was 607 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
cpp-lang.sevendays-study.com performance score
name
value
score
weighting
Value1.3 s
98/100
10%
Value3.5 s
63/100
25%
Value1.8 s
100/100
10%
Value20 ms
100/100
30%
Value0.033
100/100
15%
Value1.9 s
100/100
10%
607 ms
200 ms
650 ms
174 ms
78 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 31% of them (9 requests) were addressed to the original Cpp-lang.sevendays-study.com, 21% (6 requests) were made to Ecx.images-amazon.com and 10% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (843 ms) relates to the external source Ad.jp.ap.valuecommerce.com.
Page size can be reduced by 67.6 kB (41%)
165.2 kB
97.7 kB
In fact, the total size of Cpp-lang.sevendays-study.com main page is 165.2 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. 15% of websites need less resources to load. Images take 70.5 kB which makes up the majority of the site volume.
Potential reduce by 15.1 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 15.1 kB or 74% of the original size.
Potential reduce by 5.2 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. Cpp Lang Sevendays Study images are well optimized though.
Potential reduce by 44.0 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 44.0 kB or 63% of the original size.
Potential reduce by 3.3 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. Cpp-lang.sevendays-study.com needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 77% of the original size.
Number of requests can be reduced by 8 (30%)
27
19
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cpp Lang Sevendays Study. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
cpp-lang.sevendays-study.com
607 ms
style.css
200 ms
bookmark_button.js
650 ms
ads.js
174 ms
analytics.js
78 ms
back.gif
200 ms
ads-common.js
231 ms
imp
6 ms
show
8 ms
facebook.gif
360 ms
twitter.gif
369 ms
google_plus.gif
362 ms
hatebu.gif
363 ms
logo.png
389 ms
logo_book.png
607 ms
JP_160x600-Surface-Pro-3.jpg
10 ms
collect
124 ms
cm
169 ms
htmlbanner
843 ms
51vZEKlI+nL._SL70_.jpg
11 ms
190 ms
61o9Uw8eiWL._SL70_.jpg
11 ms
419laUEIHTL._SL70_.jpg
11 ms
218 ms
51vZEKlI+nL._OU09_SL70_PI25-percent,BottomRight,0,0_CR0,0,50,70_.jpg
18 ms
61o9Uw8eiWL._OU09_SL70_PI23-percent,BottomRight,0,0_CR0,0,70,51_.jpg
8 ms
419laUEIHTL._OU09_SL70_PI26-percent,BottomRight,0,0_CR0,0,70,30_.jpg
7 ms
08.gif
517 ms
collect
5 ms
cpp-lang.sevendays-study.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.
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
cpp-lang.sevendays-study.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
cpp-lang.sevendays-study.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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cpp-lang.sevendays-study.com 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 Cpp-lang.sevendays-study.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.
cpp-lang.sevendays-study.com
Open Graph description is not detected on the main page of Cpp Lang Sevendays Study. 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: