DATAFOUNTAIN.CN DataFountain - 数据科学竞赛创新平台

datafountain.cn Website Information

Daily Unique Visits: 766

Daily Page Views: 1,532

Income Per Day: $5

Estimated Value: $1,200

datafountain.cn is registered under .CN top-level domain. Please check other sites in .CN zone.

No name server records were found.

and is probably hosted by BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN. See the full list of other websites hosted by BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN.

The highest website datafountain.cn position in Alexa rank database was 8182 and the lowest rank position was 995943. Current position of datafountain.cn in Alexa rank database is 936164.

Desktop speed score of datafountain.cn (67/100) is better than the results of 45.93% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of datafountain.cn (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.

Mobile speed score of datafountain.cn (27/100) is better than the results of 7.94% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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datafountain.cn Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


datafountain.cn whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain Name: datafountain.cn
ROID: 20160809s10001s84652260-cn
Domain Status: ok
Registrant: 北京数联众创科技有限公司
Registrant Contact Email: cuiweifu@datafountain.cn
Sponsoring Registrar: 阿里云计算有限公司(万网)
Name Server: dns9.hichina.com
Name Server: dns10.hichina.com
Registration Time: 2016-08-09 18:28:13
Expiration Time: 2027-08-09 18:28:13
DNSSEC: unsigned

datafountain.cn server information

Servers Location

datafountain.cn desktop page speed rank

Last tested: 2018-07-22


Desktop Speed Medium
67/100

datafountain.cn Desktop Speed Test Quick Summary


priority - 29Minify 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 285.2KiB (32% reduction).

Minifying http://www.datafountain.cn/_df_static/vendor.087e7890df39cd2316fd.js could save 249.7KiB (37% reduction) after compression.
Minifying http://www.datafountain.cn/_df_static/page_user.1f405e1340f6a3d3349d.js could save 29.7KiB (18% reduction) after compression.
Minifying http://www.datafountain.cn/_df_static/page_home.f4e341e9694b10699dbb.js could save 2.2KiB (17% reduction) after compression.
Minifying http://www.datafountain.cn/_df_static/page_messages.59e2e4a5f2a906da367a.js could save 931B (14% reduction) after compression.
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Minifying http://www.datafountain.cn/_df_static/layouts_defa…16800f6da8a7098d0ac.js could save 666B (13% reduction) after compression.
Minifying http://www.datafountain.cn/_df_static/manifest.5fefdff1158826e337c6.js could save 594B (31% reduction) after compression.
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Minifying http://www.datafountain.cn/_df_static/layouts_prof…49f05defee5ef444b69.js could save 198B (20% reduction) after compression.
Minifying http://www.datafountain.cn/_df_static/views_test.4817e05ced0ffa844dfb.js could save 195B (18% reduction) after compression.

priority - 13Leverage 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:

https://wid.s3.cn-north-1.amazonaws.com.cn/uploads…96%B0banner-961215.jpg (expiration not specified)
https://wid.s3.cn-north-1.amazonaws.com.cn/uploads…95xinbanner-142287.jpg (expiration not specified)
https://wid.s3.cn-north-1.amazonaws.com.cn/uploads…96%B0banner-843409.jpg (expiration not specified)
https://wid.s3.cn-north-1.amazonaws.com.cn/uploads…8%B5%9Blogo-581843.png (expiration not specified)
https://wid.s3.cn-north-1.amazonaws.com.cn/uploads…80306184739-766248.jpg (expiration not specified)
https://wid.s3.cn-north-1.amazonaws.com.cn/uploads…AA%E5%BC%8F-987905.png (expiration not specified)
https://wid.s3.cn-north-1.amazonaws.com.cn/uploads…8-07-19/666-447146.jpg (expiration not specified)
http://www.datafountain.cn/cooperators/1.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/10.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/11.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/12.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/13.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/14.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/15.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/16.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/17.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/18.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/2.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/3.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/4.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/5.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/6.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/7.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/8.png?v=1 (43.2 minutes)
http://www.datafountain.cn/cooperators/9.png?v=1 (43.2 minutes)
http://www.datafountain.cn/fontawesome/5.0.13/fontawesome-all.min.css (43.2 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 4Eliminate render-blocking JavaScript and CSS in above-the-fold content

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

Optimize CSS Delivery of the following:

http://www.datafountain.cn/fontawesome/5.0.13/fontawesome-all.min.css
http://www.datafountain.cn/_df_static/app.a13462e5…74d7dcbd7ac9d260e0.css

priority - 4Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 35.3KiB (24% reduction).

Compressing and resizing http://www.datafountain.cn/_df_static/img/logo.378fa14.png could save 7.9KiB (69% reduction).
Compressing http://www.datafountain.cn/_df_static/img/harvest-4.a749f28.png could save 6KiB (23% reduction).
Compressing http://www.datafountain.cn/_df_static/img/harvest-2.5950a91.png could save 5.7KiB (21% reduction).
Compressing http://www.datafountain.cn/_df_static/img/harvest-3.4081b20.png could save 5.2KiB (21% reduction).
Compressing http://www.datafountain.cn/_df_static/img/harvest-1.e145459.png could save 5.1KiB (21% reduction).
Compressing http://www.datafountain.cn/cooperators/6.png?v=1 could save 2.2KiB (16% reduction).
Compressing http://www.datafountain.cn/cooperators/11.png?v=1 could save 1.7KiB (21% reduction).
Compressing http://www.datafountain.cn/cooperators/8.png?v=1 could save 1.6KiB (14% reduction).

datafountain.cn Desktop Resource Breakdown

Total Resources59
Number of Hosts6
Static Resources50
JavaScript Resources16
CSS Resources2

datafountain.cn mobile page speed rank

Last tested: 2018-02-12


Mobile Speed Bad
27/100

datafountain.cn Mobile Speed Test Quick Summary


priority - 118Enable 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 1.1MiB (76% reduction).

Compressing http://www.datafountain.cn/js/df-consumer.js could save 364KiB (74% reduction).
Compressing http://www.datafountain.cn/css/df-consumer.css could save 273.4KiB (84% reduction).
Compressing http://www.datafountain.cn/js/vendor/df-c.js could save 178.3KiB (74% reduction).
Compressing http://www.datafountain.cn/js/vendor/df-b.js could save 158.8KiB (75% reduction).
Compressing http://www.datafountain.cn/js/vendor/df-a.js could save 145.3KiB (69% reduction).
Compressing http://www.datafountain.cn/api/home could save 34.6KiB (81% reduction).
Compressing http://www.datafountain.cn/ could save 2.3KiB (44% reduction).

priority - 57Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 552KiB (61% reduction).

Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/banners…dd78003c1b219c1d3.jpeg could save 193.6KiB (74% reduction).
Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/banners…15ec9fc422836a6de.jpeg could save 96.2KiB (75% reduction).
Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/image/%…%E9%87%91%E6%9C%8D.jpg could save 68.5KiB (68% reduction).
Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/image/%…%87_20180117174809.jpg could save 42.9KiB (64% reduction).
Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/image/%…%87_20180117174823.jpg could save 37.8KiB (67% reduction).
Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/image/%…%87_20180117174816.jpg could save 37.5KiB (67% reduction).
Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/img/e0c…-b408-0bdf39d32b9e.png could save 30.6KiB (65% reduction).
Compressing http://www.datafountain.cn/img/icon-sprite.png could save 17.4KiB (20% reduction).
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Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/img/496…-a9d4-e5f29a5d9a80.jpg could save 5.1KiB (43% reduction).
Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/img/36f…-b60b-0de30a113ab8.png could save 4KiB (25% reduction).
Compressing https://s3.cn-north-1.amazonaws.com.cn/wid/img/2c7…-be59-ae1708130640.jpg could save 3.7KiB (44% reduction).
Compressing http://www.datafountain.cn/img/logo-dark.png could save 978B (37% reduction).

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

Your page has 5 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://og6593g2z.qnssl.com/fundebug.0.3.3.min.js
http://www.datafountain.cn/js/vendor/df-a.js
http://www.datafountain.cn/js/vendor/df-b.js
http://www.datafountain.cn/js/vendor/df-c.js
http://www.datafountain.cn/js/df-consumer.js

Optimize CSS Delivery of the following:

http://www.datafountain.cn/css/df-consumer.css

priority - 28Leverage 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://www.datafountain.cn/css/df-consumer.css (expiration not specified)
http://www.datafountain.cn/font/MaterialIcons-Regular.woff2 (expiration not specified)
http://www.datafountain.cn/img/icon-sprite.png (expiration not specified)
http://www.datafountain.cn/img/logo-dark.png (expiration not specified)
http://www.datafountain.cn/img/weibo.jpg (expiration not specified)
http://www.datafountain.cn/img/weixin.jpg (expiration not specified)
http://www.datafountain.cn/js/df-consumer.js (expiration not specified)
http://www.datafountain.cn/js/vendor/df-a.js (expiration not specified)
http://www.datafountain.cn/js/vendor/df-b.js (expiration not specified)
http://www.datafountain.cn/js/vendor/df-c.js (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/banners…15ec9fc422836a6de.jpeg (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/banners…dd78003c1b219c1d3.jpeg (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/image/%…%87_20180117174809.jpg (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/image/%…%87_20180117174816.jpg (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/image/%…%87_20180117174823.jpg (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/image/%…%E9%87%91%E6%9C%8D.jpg (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/image/8…2ab75ea4111b5baab6.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/0ac…-bca7-301364500fda.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/2c7…-be59-ae1708130640.jpg (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/36f…-b60b-0de30a113ab8.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/37b…-92ff-1320e84a00e5.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/3f6…-bbc0-e368b1a4a0c8.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/496…-a9d4-e5f29a5d9a80.jpg (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/571…-ac07-8261d88f0e71.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/6c9…-8957-f4d69455ea65.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/89b…-aa0f-8954411667ed.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/97b…-928c-07924e9be5be.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/9d4…-9f4d-de820d5ce6e4.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/a77…-ab1d-9f32e2d8b331.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/af8…-9798-957384f34eb1.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/b15…-9075-b03ff62aef73.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/d05…-b8dd-a64ac2a60471.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/d13…-884e-aeda6e2f685a.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/e0c…-b408-0bdf39d32b9e.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/ef6…-9e03-3403bde7e92c.png (expiration not specified)
https://s3.cn-north-1.amazonaws.com.cn/wid/img/f08…-a39f-ebb9d169aebd.png (expiration not specified)
https://www.googletagmanager.com/gtag/js?id=UA-110333881-1 (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 10% of the final above-the-fold content could be rendered with the full HTML response.

datafountain.cn Mobile Resource Breakdown

Total Resources47
Number of Hosts8
Static Resources39
JavaScript Resources9
CSS Resources1

datafountain.cn mobile page usability

Last tested: 2018-02-12


Mobile Usability Good
100/100

datafountain.cn HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 10 Column: 45 - 180
"...="utf-8"/><meta data-n-head="true" name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,minimum-scale=1,user-scalable=no"/><meta ..."

Empty heading.

Line: 37 Column: 3564 - 3586
"...and-down"><h4 class="title logo"><img s..." Line: 37 Column: 3922 - 3939
"...ay: none"><h4 class="title"></h4><..."

Errors

Attribute “httpequiv” not allowed on element “meta” at this point.

Line: 10 Column: 396 - 476
"...数据科学家社区"/><meta data-n-head="true" httpEquiv="X-UA-Compatible" content="IE=edge,chrome=1"/><title..."

Element “meta” is missing one or more of the following attributes: “http-equiv”, “itemprop”, “name”, “property”.

Line: 10 Column: 396 - 476
"...数据科学家社区"/><meta data-n-head="true" httpEquiv="X-UA-Compatible" content="IE=edge,chrome=1"/><title..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 17 Column: 425 - 468
"...k-active"><img src="/_df_static/img/logo.378fa14.png"></a></..." Line: 31 Column: 247 - 295
"...12 media"><img src="/_df_static/img/harvest-1.e145459.png"></div>..." Line: 33 Column: 261 - 309
"...12 media"><img src="/_df_static/img/harvest-2.5950a91.png"></div>..." Line: 35 Column: 261 - 309
"...12 media"><img src="/_df_static/img/harvest-3.4081b20.png"></div>..." Line: 37 Column: 261 - 309
"...12 media"><img src="/_df_static/img/harvest-4.a749f28.png"></div>..." Line: 37 Column: 1503 - 1536
"...-4 brand"><img src="/cooperators/1.png?v=2"></div>..." Line: 37 Column: 1600 - 1633
"...-4 brand"><img src="/cooperators/2.png?v=2"></div>..." Line: 37 Column: 1697 - 1730
"...-4 brand"><img src="/cooperators/3.png?v=2"></div>..." Line: 37 Column: 1794 - 1827
"...-4 brand"><img src="/cooperators/4.png?v=2"></div>..." Line: 37 Column: 1891 - 1924
"...-4 brand"><img src="/cooperators/5.png?v=2"></div>..." Line: 37 Column: 1988 - 2021
"...-4 brand"><img src="/cooperators/6.png?v=2"></div>..." Line: 37 Column: 2085 - 2118
"...-4 brand"><img src="/cooperators/7.png?v=2"></div>..." Line: 37 Column: 2182 - 2215
"...-4 brand"><img src="/cooperators/8.png?v=2"></div>..." Line: 37 Column: 2294 - 2327
"...-xs-only"><img src="/cooperators/9.png?v=2"></div>..." Line: 37 Column: 2406 - 2440
"...-xs-only"><img src="/cooperators/10.png?v=2"></div>..." Line: 37 Column: 2519 - 2553
"...-xs-only"><img src="/cooperators/11.png?v=2"></div>..." Line: 37 Column: 2632 - 2666
"...-xs-only"><img src="/cooperators/12.png?v=2"></div>..." Line: 37 Column: 2745 - 2779
"...-xs-only"><img src="/cooperators/13.png?v=2"></div>..." Line: 37 Column: 2858 - 2892
"...-xs-only"><img src="/cooperators/14.png?v=2"></div>..." Line: 37 Column: 2971 - 3005
"...-xs-only"><img src="/cooperators/15.png?v=2"></div>..." Line: 37 Column: 3084 - 3118
"...-xs-only"><img src="/cooperators/16.png?v=2"></div>..." Line: 37 Column: 3197 - 3231
"...-xs-only"><img src="/cooperators/17.png?v=2"></div>..." Line: 37 Column: 3310 - 3344
"...-xs-only"><img src="/cooperators/18.png?v=2"></div>..." Line: 37 Column: 3587 - 3636
"...tle logo"><img src="/_df_static/img/logo-light.2af46c8.png"></h4><..."

Element “li” not allowed as child of element “nav” in this context. (Suppressing further errors from this subtree.)

Line: 17 Column: 532 - 576
"...vbar-nav"><li class="language-list hidden-sm-and-down"><div c..." Line: 21 Column: 110 - 113
"...o"><!----><li><div c..." Line: 25 Column: 98 - 149
"...collapse"><li class="nuxt-link-exact-active nuxt-link-active"><a hre..." Line: 25 Column: 173 - 176
"...页</a></li><li><a hre..." Line: 25 Column: 214 - 217
"...事</a></li><li><a hre..." Line: 25 Column: 249 - 252
"...库</a></li><li><a..." Line: 25 Column: 286 - 289
"...赛</a></li><li><a hre..." Line: 25 Column: 321 - 324
"...页</a></li><li><a hre..." Line: 37 Column: 3995 - 4046
"..."sitemap"><li class="nuxt-link-exact-active nuxt-link-active"><a hre..." Line: 37 Column: 4070 - 4090
"...页</a></li><li class="site-sep"><span>..." Line: 37 Column: 4110 - 4113
"...span></li><li><a hre..." Line: 37 Column: 4151 - 4171
"...事</a></li><li class="site-sep"><span>..." Line: 37 Column: 4191 - 4194
"...span></li><li><a hre..." Line: 37 Column: 4226 - 4246
"...库</a></li><li class="site-sep"><span>..." Line: 37 Column: 4266 - 4269
"...span></li><li><a hre..." Line: 37 Column: 4303 - 4323
"...赛</a></li><li class="site-sep"><span>..." Line: 37 Column: 4343 - 4346
"...span></li><li><a hre..." Line: 37 Column: 4378 - 4398
"...页</a></li><li class="site-sep"><span>..." Line: 37 Column: 4418 - 4421
"...span></li><li><a hre..." Line: 37 Column: 5236 - 5239
"...site-nav"><li><a hre..." Line: 37 Column: 5275 - 5290
"...F</a></li><li class="sep"><span>..." Line: 37 Column: 5310 - 5313
"...span></li><li><a hre..." Line: 37 Column: 5347 - 5362
"...赛</a></li><li class="sep"><span>..." Line: 37 Column: 5382 - 5385
"...span></li><li><a hre..." Line: 37 Column: 5419 - 5434
"...题</a></li><li class="sep"><span>..." Line: 37 Column: 5454 - 5457
"...span></li><li><a hre..."

The element “button” must not appear as a descendant of the “a” element.

Line: 21 Column: 699 - 759
"...and-down"><button class="el-button el-button--mini el-button--primary"> ..." Line: 23 Column: 34 - 91
"... </button><button class="el-button el-button--mini el-button--text"> ..."

Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Line: 37 Column: 4498 - 4626
"...="social"><div role="tooltip" id="el-popover-2917" aria-hidden="true" class="el-popover el-popper" style="width:undefinedpx;display:none;"><div c..." Line: 37 Column: 4845 - 4973
"...="social"><div role="tooltip" id="el-popover-1061" aria-hidden="true" class="el-popover el-popper" style="width:undefinedpx;display:none;"><div c..." Line: 37 Column: 5547 - 5690
"...="social"><div role="tooltip" id="el-popover-8069" aria-hidden="true" class="el-popover el-popper social-popover" style="width:undefinedpx;display:none;"><!----..." Line: 37 Column: 5825 - 5968
"...="social"><div role="tooltip" id="el-popover-6507" aria-hidden="true" class="el-popover el-popper social-popover" style="width:undefinedpx;display:none;"><!----..."

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datafountain.cn Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


datafountain.cn TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.