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最全面的NES游戏下载网站，拥有几千个nes游戏和上万篇攻略秘籍，适合各种手机使用的nes手机模拟器，并不断进行nes游戏相关资源的收集及整理，喜欢本站的朋友请牢记www.51nes.cn。
Page load speed analysis
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59/100
Normal result -
6
Successful tests -
2
Failed tests
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First response
1.3 sec
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Resources loaded
10.5 sec
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Page rendered
216 ms
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Total page load time
12.1 sec
Click here to check amazing 51 Nes content for China. Otherwise, check out these important facts you probably never knew about 51nes.cn
We analyzed 51nes.cn page load time and found that the first response time was 1.3 sec and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
Page optimization
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HTML 33.4 kB Images 236.1 kB Javascripts 101.8 kB CSS 21.7 kB In fact, the total size of 51nes.cn main page is 393.0 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. 25% of websites need less resources to load. Images take 236.1 kB which makes up the majority of the site volume.
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Original 33.4 kB
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After minification 33.4 kB
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After compression 7.8 kB
HTML optimization
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 25.5 kB or 77% of the original size.
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Original 236.1 kB
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After optimization 224.3 kB
Image optimization
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. 51 Nes images are well optimized though.
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Original 101.8 kB
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After minification 99.7 kB
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After compression 37.5 kB
JavaScript optimization
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 64.3 kB or 63% of the original size.
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Original 21.7 kB
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After minification 20.4 kB
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After compression 4.8 kB
CSS optimization
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. 51nes.cn needs all CSS files to be minified and compressed as it can save up to 17.0 kB or 78% of the original size.
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Network requests diagram
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www.51nes.cn
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style.css
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main.js
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show_ads.js
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click.aspx
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common.css
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home.css
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NesGamelist.css
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logo.gif
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200811042031577500.gif
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72.jpg
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1695.gif
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1977.gif
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1046.gif
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1147.gif
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2033.jpg
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514.jpg
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2288.gif
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200812041925412825.gif
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1145.gif
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681.jpg
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645.jpg
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200904052018287884.gif
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201012410432140.jpg
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2010162314652.jpg
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2010162318556.jpg
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2010162316716.jpg
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2215.jpg
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201016214796.jpg
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680.jpg
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rss2.0feed.gif
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getfirefox.gif
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wapwireless.gif
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3g.gif
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ICP.gif
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netcen.gif
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div.gif
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ca-pub-0487625763151343.js
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zrt_lookup.html
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show_ads_impl.js
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ads
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osd.js
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abg.js
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h.js
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count1.gif
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hm.gif
Our browser made a total of 47 requests to load all elements on the main page. We found that 77% of them (36 requests) were addressed to the original 51nes.cn, 9% (4 requests) were made to Pagead2.googlesyndication.com and 4% (2 requests) were made to Count30.51yes.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Count30.51yes.com.
Additional info on 51nes.cn
Requests
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Nes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
Javascripts
Images
CSS
AJAX
All
Possible request optimization
Javascripts
Images
CSS
AJAX
Optimized
All
Normal result
IP address
51nes.cn uses IP address which is currently shared with 1 other domain. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.
Normal result
IP Trace
DNS records
| Type | Host | Target/ip | TTL | Other |
|---|---|---|---|---|
| A | 51nes.cn |
62.234.164.52 | 293 | |
| NS | 51nes.cn |
f1g1ns2.dnspod.net | 300 | |
| NS | 51nes.cn |
f1g1ns1.dnspod.net | 300 | |
| SOA | 51nes.cn |
180 | Mname: f1g1ns1.dnspod.net Rname: freednsadmin.dnspod.com Serial: 1643105355 Refresh: 3600 Retry: 180 Expire: 1209600 Minimum-ttl: 180 |
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| TXT | 51nes.cn |
300 | Txt: _globalsign-domain-verification=M8CKFTIqbkmSKQxH5_wzg0aVIKmbB2pHaf92X-pd3h |
Language and encoding
Poor result
Language
ZH
Detected
N/A
Claimed
Encoding
GB2312
Claimed
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51nes.cn 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 51nes.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
HTTPS certificate
51nes.cn has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.
Normal result
Visitor World Map
Country of origin for 100% of all visits is China. It’s good for 51nes.cn that their server is also located in China, as that enables the majority of their visitors to benefit from a much faster page load time.
Good result
Poor result
Social Sharing Optimization
Open Graph description is not detected on the main page of 51 Nes. 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:
51nes.cn
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