9 sec in total
502 ms
8.1 sec
443 ms
Welcome to datou.is-programmer.com homepage info - get ready to check Datou Is Programmer best content for India right away, or after learning these important things about datou.is-programmer.com
Visit datou.is-programmer.comWe analyzed Datou.is-programmer.com page load time and found that the first response time was 502 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
datou.is-programmer.com performance score
name
value
score
weighting
Value1.6 s
93/100
10%
Value2.7 s
86/100
25%
Value11.0 s
6/100
10%
Value100 ms
98/100
30%
Value0
100/100
15%
Value4.7 s
80/100
10%
502 ms
35 ms
69 ms
74 ms
103 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 36% of them (27 requests) were addressed to the original Datou.is-programmer.com, 12% (9 requests) were made to Tp2.sinaimg.cn and 11% (8 requests) were made to Img.t.sinajs.cn. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Tp2.sinaimg.cn.
Page size can be reduced by 561.5 kB (62%)
906.4 kB
344.9 kB
In fact, the total size of Datou.is-programmer.com main page is 906.4 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. 40% of websites need less resources to load. Javascripts take 621.1 kB which makes up the majority of the site volume.
Potential reduce by 44.4 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 44.4 kB or 82% of the original size.
Potential reduce by 11.4 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. Datou Is Programmer images are well optimized though.
Potential reduce by 425.5 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 425.5 kB or 69% of the original size.
Potential reduce by 80.2 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. Datou.is-programmer.com needs all CSS files to be minified and compressed as it can save up to 80.2 kB or 83% of the original size.
Number of requests can be reduced by 29 (39%)
74
45
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datou Is Programmer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
datou.is-programmer.com
502 ms
common.css
35 ms
jquery-ui.css
69 ms
style.css
74 ms
jquery-1.6.2.min.js
103 ms
searchhi.js
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shCore.css
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shThemeDefault.css
79 ms
plugin.css
134 ms
click.aspx
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jquery-ui-1.8.16.min.js
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jquery.rails.js
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blog.js
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jquery.jslatex.packed.js
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shCore.js
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shBrushes.js
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core.js
141 ms
ga.js
29 ms
index.php
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avatar.png
89 ms
table_bottom.jpg
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header.jpg
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table_top.jpg
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table_content.jpg
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feed_1.png
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__utm.gif
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weiboShow.css
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8 ms
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datou.is-programmer.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.
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
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
datou.is-programmer.com 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
datou.is-programmer.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datou.is-programmer.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Datou.is-programmer.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.
datou.is-programmer.com
Open Graph description is not detected on the main page of Datou Is Programmer. 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: