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51.com website information.

51.com domain name is registered by .COM top-level domain registry. See the other sites registred in .COM domain zone.

No name server records were found.

and probably website 51.com is hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN web hosting company. Check the complete list of other most popular websites hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN hosting company.

According to Alexa traffic rank the highest website 51.com position was 1791 (in the world). The lowest Alexa rank position was 793301. Now website 51.com ranked in Alexa database as number 20353 (in the world).

Website 51.com Desktop speed measurement score (29/100) is better than the results of 7.9% of other sites shows that the page desktop performance can be improved.

51.com Mobile usability score (64/100) is better than the results of 11.2% of other sites and shows that the page mobile usability is poor and can be improved.

Mobile speed measurement score of 51.com (31/100) is better than the results of 10.59% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
May-18-2024 20,353174
May-17-2024 20,527-174
May-16-2024 20,353386
May-15-2024 20,739-135
May-14-2024 20,60463
May-13-2024 20,667-36
May-12-2024 20,63110

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51.com Rank History

Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.


51.com whois

WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.

Domain Name: 51.COM
Registry Domain ID: 3813675_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.paycenter.com.cn
Registrar URL: http://www.xinnet.com
Updated Date: 2020-11-30T03:21:52Z
Creation Date: 1998-07-10T04:00:00Z
Registry Expiry Date: 2022-07-09T04:00:00Z
Registrar: Xin Net Technology Corporation
Registrar IANA ID: 120
Registrar Abuse Contact Email: supervision@xinnet.com
Registrar Abuse Contact Phone: +86.1087127926
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS3.DNSV4.COM
Name Server: NS4.DNSV4.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-25T07:37:07Z

51.com server information

Servers Location

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51.com desktop page speed rank

Last tested: 2017-05-01

Desktop Speed Bad
29/100

51.com Desktop Speed Test Quick Summary


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51.com Desktop Resources

Total Resources146
Number of Hosts18
Static Resources129
JavaScript Resources5
CSS Resources4

51.com Desktop Resource Breakdown

51.com mobile page speed rank

Last tested: 2017-04-27

Mobile Speed Bad
31/100

51.com Mobile Speed Test Quick Summary


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priority - 56 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

http://cdn.51img1.com/??v6/global/js/jquery.js?v=2…51/slide/js/md5.js?v=3
http://cdn.51img1.com/v6/passport/js/loginframe.js?v=201704113

Optimize CSS Delivery of the following:

http://cdn.51img1.com/v6/global/css/layer.css?v=201702083
http://cdn.51img1.com/v6/global2015/css/global.css?v=201702173
http://cdn.51img1.com/v6/www/css/www2015.css?v=201703283
http://cdn.51img1.com/v6/www/css/www_special.css?v=201703283

priority - 45 Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 435.4KiB (77% reduction).

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priority - 16 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://photo.51img1.com/gpza/M00/69/48/CgsNd1kCD8iAATqCAAAkduZACjM112.jpg (10 minutes)
http://photo.51img1.com/gpza/M03/00/BF/wKgNd1QHCw6ARfwLAAAYF2UUkIY618.jpg (10 minutes)
http://photo.51img1.com/gpza/M04/22/6B/wKgNd1QJaXeADJv7AAAW8eNqUSo450.jpg (10 minutes)
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http://photo.51img1.com/gpza/M05/54/27/wKgNeFQJu2iATiGbAAARB-CS_NU963.jpg (10 minutes)
http://photo.51img1.com/gpza/M05/58/91/wKgNeFQJwVWAbo7PAAASHOYpyHw170.jpg (10 minutes)
http://photo.51img1.com/gpza/M07/00/4C/wKgNd1QHCkaAKKcOAAAVU6upXpo568.jpg (10 minutes)
http://photo.51img1.com/gpza/M07/48/DA/wKgNd1QJrR-ATxzXAAAXSxLu-9I294.jpg (10 minutes)
http://photo.51img1.com/gpza/M09/54/28/wKgNeFQJu2mAZ5x-AAARX87ts54489.jpg (10 minutes)
http://photo.51img1.com/gpzb/M00/12/8D/wKgNelQJMu2AeTWyAAAU_fZ5XCM429.jpg (10 minutes)
http://photo.51img1.com/gpzb/M00/12/8E/wKgNelQJMu2AdNMLAAAdjzX6D84873.jpg (10 minutes)
http://photo.51img1.com/gpzb/M05/69/45/CgsNeVkCARGAYFCzAAAeg5nKjXU739.jpg (10 minutes)
http://photo.51img1.com/gpzb/M06/22/6B/wKgNelQJaXeAboTxAAATpGKiCvY037.jpg (10 minutes)
http://photo.51img1.com/gpzb/M06/59/1B/wKgNelQJwlKAGJ1cAAAQR_5CCq8203.jpg (10 minutes)
http://photo.51img1.com/gpzb/M07/32/C9/wKgNeVQJhwmAVSfTAAAXoCYmyjc166.jpg (10 minutes)
http://photo.51img1.com/gpzb/M09/54/F9/wKgNelQJvH2AbR4sAAAU081GbU0847.jpg (10 minutes)
http://photo.51img1.com/gpzc/M00/58/93/wKgNe1QJwVeAfkMEAAAXhVwj3Yc072.jpg (10 minutes)
http://photo.51img1.com/gpzc/M03/32/C9/wKgNe1QJhwqAFCBpAAASN4oDyrs073.jpg (10 minutes)
http://photo.51img1.com/gpzc/M04/00/C0/wKgNfFQHCw-AOppUAAATPfinQ10764.jpg (10 minutes)
http://photo.51img1.com/gpzc/M05/50/22/wKgNe1QJtlOAN4Z4AAAUU9Rd_XI106.jpg (10 minutes)
http://photo.51img1.com/gpzc/M07/69/46/CgsNe1kCAQmAF9itAAAs1Ga9k3s254.jpg (10 minutes)

priority - 15 Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 147.1KiB (26% reduction).

Minifying http://cdn.51img1.com/??v6/global/js/jquery.js?v=2…51/slide/js/md5.js?v=3 could save 76.7KiB (26% reduction).
Minifying http://cdn.51img1.com/??v6/www/js/www2015.js?v=201…httppin.js?v=201704243 could save 62.5KiB (28% reduction).
Minifying http://cdn.51img1.com/??v6/my/js/adsys.js?v=201704…ead2015.js?v=201609083 could save 6.5KiB (19% reduction).
Minifying http://cdn.51img1.com/v6/passport/js/loginframe.js?v=201704113 could save 1.3KiB (20% reduction) after compression.

51.com Mobile Resources

Total Resources142
Number of Hosts18
Static Resources125
JavaScript Resources5
CSS Resources4

51.com Mobile Resource Breakdown

51.com mobile page usability

Last tested: 2017-04-27

Mobile Usability Bad
64/100

51.com Mobile Usability Test Quick Summary


priority - 40 Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

保存到桌面 and 2 others render only 5 pixels tall (12 CSS pixels).

51游戏app，我要你好玩！ renders only 5 pixels tall (12 CSS pixels).

注册 and 1 others render only 5 pixels tall (12 CSS pixels).

导航 renders only 5 pixels tall (12 CSS pixels).

所有游戏 renders only 5 pixels tall (12 CSS pixels).

首页 renders only 5 pixels tall (14 CSS pixels).

游戏中心 and 6 others render only 5 pixels tall (14 CSS pixels).

帐号登录 renders only 5 pixels tall (14 CSS pixels).

扫码登录防盗号 renders only 5 pixels tall (14 CSS pixels).

快速注册 renders only 6 pixels tall (16 CSS pixels).

用户名/邮箱/手机号 and 1 others render only 5 pixels tall (12 CSS pixels).

自动登录 renders only 5 pixels tall (12 CSS pixels).

忘记密码？ and 1 others render only 5 pixels tall (12 CSS pixels).

登 录 renders only 6 pixels tall (16 CSS pixels).

使用其他方式登录 renders only 5 pixels tall (12 CSS pixels).

装备靠打、升级靠挂 renders only 5 pixels tall (12 CSS pixels).

自己也不知道该怎么办好，所以…是我做不到，不断地纠结着…… and 14 others render only 5 pixels tall (12 CSS pixels).

铁血皇城 and 2 others render only 5 pixels tall (14 CSS pixels).

三国群雄传 and 2 others render only 5 pixels tall (14 CSS pixels).

2017-04-27 23:41:01 and 8 others render only 5 pixels tall (12 CSS pixels).

进入新区 and 2 others render only 5 pixels tall (12 CSS pixels).

沪公网安备 31011502002407号 and 35 others render only 5 pixels tall (14 CSS pixels).

122M and 3 others render only 5 pixels tall (12 CSS pixels).

羽旭蕊506149025： and 3 others render only 5 pixels tall (12 CSS pixels).

首次充值，天降壕礼，免费送！ renders only 5 pixels tall (14 CSS pixels).

静静芣離缐 and 4 others render only 5 pixels tall (12 CSS pixels).
美丽 and 4 others render only 5 pixels tall (12 CSS pixels).
推荐网页游戏： renders only 5 pixels tall (14 CSS pixels).
| and 18 others render only 5 pixels tall (14 CSS pixels).
要求：您的网站pr>=6百度…seo@heitao.com renders only 5 pixels tall (14 CSS pixels).
| and 4 others render only 5 pixels tall (14 CSS pixels).
地址：上海浦东张江中科路699号惠生大厦B栋6F and 4 others render only 5 pixels tall (14 CSS pixels).
更多>> renders only 5 pixels tall (12 CSS pixels).

priority - 10 Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

Configure a viewport for this page.

priority - 7 Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a id="head_set_homepage" href="javascript:void(0);" class="home_ico">设为首页</a> is close to 1 other tap targets.

The tap target <a href="//passport.51.com/reg/email">注册</a> and 1 others are close to other tap targets.

The tap target <a id="pub_head_map_a_id" href="javascript:void(0)" class="map">导航</a> is close to 2 other tap targets.

The tap target <a id="pub_head_allgame_a_id" href="javascript:void(0)" class="all">所有游戏</a> is close to 1 other tap targets.

The tap target <a href="//www.51.com">首页</a> is close to 1 other tap targets.

The tap target <a href="http://pay.51.com">充值</a> and 1 others are close to other tap targets.

The tap target <a id="frame_login_regButton" href="javascript:void(0);">快速注册</a> is close to 1 other tap targets.

The tap target <input id="frame_login_user" type="text" class="t"> is close to 1 other tap targets.

The tap target <label id="frame_login_label_user" class="t_label">用户名/邮箱/手机号</label> and 1 others are close to other tap targets.

The tap target <input id="frame_login_pass" type="password" class="t"> is close to 1 other tap targets.

The tap target <input id="frame_login_auto_login" type="checkbox"> is close to 2 other tap targets.

The tap target <a href="javascript:void(0);">手机登录</a> and 1 others are close to other tap targets.

The tap target <div id="outContCommend" class="announce_con">装备靠打、升级靠挂解开《盗墓笔记》最后大结局！</div> is close to 3 other tap targets.

The tap target <a href="//game.51.com/…www_xiaolaba_1">装备靠打、升级靠挂</a> is close to 3 other tap targets.

The tap target <a href="//game.51.com">更多</a> and 14 others are close to other tap targets.

The tap target <a href="http://sgqxz.51.com/" class="links">官网</a> and 2 others are close to other tap targets.

The tap target <a href="javascript:void(0)">换一换</a> is close to 3 other tap targets.

The tap target <a href="javascript:void(0)">换一换</a> and 23 others are close to other tap targets.

The tap target <a href="javascript:void(0)" class="love png24"></a> and 6 others are close to other tap targets.

The tap target <a href="javascript:void(0)" class="love png24"></a> and 6 others are close to other tap targets.

The tap target <a href="http://jiaoyou.51.com" class="near png24"></a> and 2 others are close to other tap targets.

The tap target <a href="http://jiaoyou.51.com" class="near png24"></a> and 2 others are close to other tap targets.

The tap target <a href="http://home.51…i2007/loveinfo" class="name">Isa：</a> and 2 others are close to other tap targets.

The tap target <a href="http://home.51…005128838.html"></a> and 2 others are close to other tap targets.

The tap target <div id="outContMm" class="announce_con">首次充值，天降壕礼，免费送！…..找妹子，就来51视频交友</div> is close to 3 other tap targets.

The tap target <a href="http://v.51.co…www_xiaolaba_2">首次充值，天降壕礼，免费送！</a> is close to 3 other tap targets.

The tap target <a id="turn" href="javascript:void(0)" class="turn_gray png24"></a> is close to 2 other tap targets.
The tap target <a href="//dmbj.51.com/…y=www_xinwen_4"></a> is close to 2 other tap targets.
The tap target <a id="turn_r" href="javascript:void(0)" class="turn turn_r png24"></a> is close to 2 other tap targets.
The tap target <a href="http://www.bei…31011502002407">沪公网安备 31011502002407号</a> is close to 2 other tap targets.
The tap target <a href="https://www.sg…loboylv&amp;tab=01"></a> is close to 1 other tap targets.
The tap target <a href="//www.51.com/copyright1.html" class="mr">更多&gt;&gt;</a> is close to 1 other tap targets.
The tap target <a id="floatdiv_box_a_id" href="http://gamebox.51.com/" class="public_rquick_box"> is close to 1 other tap targets.
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The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

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51.com Ping

Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.

51.com TRACEROUTE

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