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CHEMICALBOOK.COM ChemicalBook

chemicalbook.com Website Information

Daily Unique Visits: 40,116

Daily Page Views: 240,696

Income Per Day: $481

Estimated Value: $346,320

This website is located in China and is using following IP address 117.79.81.118. See the complete list of popular websites hosted in China.

chemicalbook.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website chemicalbook.com is using the following name servers:

  • vip2.alidns.com
  • vip1.alidns.com

and is probably hosted by AZT - AZURE TECHNOLOGY CO., LIMITED, US. See the full list of other websites hosted by AZT - AZURE TECHNOLOGY CO., LIMITED, US.

The highest website chemicalbook.com position in Alexa rank database was 33145 and the lowest rank position was 36189. Current position of chemicalbook.com in Alexa rank database is 35752.

Desktop speed score of chemicalbook.com (78/100) is better than the results of 65.98% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of chemicalbook.com (89/100) is better than the results of 31.01% of other sites and means that the page is mobile-friendly.

Mobile speed score of chemicalbook.com (99/100) is better than the results of 96.95% of other sites and shows that the landing page performance on mobile devices is excellent.

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chemicalbook.com 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.

chemicalbook.com 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: CHEMICALBOOK.COM
Registry Domain ID: 725193893_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2020-10-15T12:17:33Z
Creation Date: 2006-12-24T16:21:43Z
Registry Expiry Date: 2022-12-24T16:21:43Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: DomainAbuse@service.aliyun.com
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: VIP1.ALIDNS.COM
Name Server: VIP2.ALIDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-25T12:02:54Z

chemicalbook.com server information

Servers Location

chemicalbook.com desktop page speed rank

Last tested: 2016-08-20

Desktop Speed Medium
78/100

chemicalbook.com Desktop Speed Test Quick Summary


priority - 21Leverage 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.chemicalbook.com/AdImg/AdOne.gif (expiration not specified)
http://www.chemicalbook.com/AdImg/Ad_EN1.gif (expiration not specified)
http://www.chemicalbook.com/AdImg/Ad_EN3.gif (expiration not specified)
http://www.chemicalbook.com/AdImg/Ad_EN5.gif (expiration not specified)
http://www.chemicalbook.com/AdImg/absin.jpg (expiration not specified)
http://www.chemicalbook.com/AdImg/syntechem_EN.gif (expiration not specified)
http://www.chemicalbook.com/CSS/index_global.css (expiration not specified)
http://www.chemicalbook.com/CSS/index_layout.css (expiration not specified)
http://www.chemicalbook.com/CSS/index_link.css (expiration not specified)
http://www.chemicalbook.com/CSS/left_blue_title.gif (expiration not specified)
http://www.chemicalbook.com/CSS/nav_btm.gif (expiration not specified)
http://www.chemicalbook.com/CSS/right_blue_title.gif (expiration not specified)
http://www.chemicalbook.com/CSS/search_left_bg.gif (expiration not specified)
http://www.chemicalbook.com/CSS/search_middle_bg.gif (expiration not specified)
http://www.chemicalbook.com/CSS/search_right_bg.gif (expiration not specified)
http://www.chemicalbook.com/CSS/tag_line.gif (expiration not specified)
http://www.chemicalbook.com/CSS/tbody_bg.gif (expiration not specified)
http://www.chemicalbook.com/CSS/top_txt_bg.gif (expiration not specified)
http://www.chemicalbook.com/Help/csshelp/helpb.css (expiration not specified)
http://www.chemicalbook.com/Help/csshelp/helpcb.css (expiration not specified)
http://www.chemicalbook.com/Help/csshelp/helpindex.css (expiration not specified)
http://www.chemicalbook.com/Themes/Jquery/jquery-1.11.1.min.js (expiration not specified)
http://www.chemicalbook.com/UserManager/Themes/Red/Default.css (expiration not specified)
http://www.chemicalbook.com/UserManager/Themes/Red/login.css (expiration not specified)
http://www.chemicalbook.com/UserManager/Themes/Red/web.css (expiration not specified)
http://www.chemicalbook.com/UserManager/Themes/Red/web1.css (expiration not specified)
http://www.chemicalbook.com/images/Germany.bmp (expiration not specified)
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http://www.chemicalbook.com/images/china.bmp (expiration not specified)
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http://www.chemicalbook.com/images/japan.bmp (expiration not specified)
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http://www.chemicalbook.com/img/new4.gif (expiration not specified)
http://www.chemicalbook.com/js/master_en.min.js (expiration not specified)
http://www.chemicalbook.com/logo.gif (expiration not specified)
http://www.chemicalbook.com/main.css (expiration not specified)

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

Your page has 11 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

http://www.chemicalbook.com/CSS/index_layout.css
http://www.chemicalbook.com/CSS/index_global.css
http://www.chemicalbook.com/CSS/index_link.css
http://www.chemicalbook.com/main.css
http://www.chemicalbook.com/UserManager/Themes/Red/Default.css
http://www.chemicalbook.com/UserManager/Themes/Red/web1.css
http://www.chemicalbook.com/UserManager/Themes/Red/web.css
http://www.chemicalbook.com/UserManager/Themes/Red/login.css
http://www.chemicalbook.com/Help/csshelp/helpcb.css
http://www.chemicalbook.com/Help/csshelp/helpb.css
http://www.chemicalbook.com/Help/csshelp/helpindex.css

priority - 1Optimize images

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

Optimize the following images to reduce their size by 6.9KiB (24% reduction).

Compressing http://www.chemicalbook.com/images/tansoole.gif could save 2.3KiB (22% reduction).
Compressing http://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_1.png could save 910B (50% reduction).
Compressing http://www.chemicalbook.com/CSS/right_blue_title.gif could save 857B (71% reduction).
Compressing http://www.chemicalbook.com/logo.gif could save 773B (12% reduction).
Compressing http://www.chemicalbook.com/AdImg/absin.jpg could save 767B (15% reduction).
Compressing http://www.chemicalbook.com/AdImg/Ad_EN1.gif could save 719B (22% reduction).
Compressing http://www.chemicalbook.com/AdImg/Ad_EN5.gif could save 710B (48% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 570B (18% reduction).

Minifying http://www.chemicalbook.com/UserManager/Themes/Red/Default.css could save 570B (18% reduction) after compression.

chemicalbook.com Desktop Resource Breakdown

Total Resources47
Number of Hosts3
Static Resources43
JavaScript Resources2
CSS Resources11

chemicalbook.com mobile page speed rank

Last tested: 2019-12-08

Mobile Speed Good
99/100

chemicalbook.com Mobile Speed Test Quick Summary


priority - 1Leverage 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://chemicalbook.com/welcome.png (expiration not specified)

chemicalbook.com Mobile Resource Breakdown

Total Resources2
Number of Hosts1
Static Resources1

chemicalbook.com mobile page usability

Last tested: 2019-12-08

Mobile Usability Good
89/100

chemicalbook.com Mobile Usability Test Quick Summary


priority - 10Configure 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.

chemicalbook.com HTML validation

Errors

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

Line: 32 Column: 33 - 74
"...urce="ch"><img src="/Content/img/languang_03.jpg" /></a> ..." Line: 33 Column: 13 - 72
"... <img src="/Content/img/languang_05.jpg" class="Selected" /> ..." Line: 34 Column: 34 - 75
"...urce="jp"><img src="/Content/img/languang_09.jpg" /></a> ..." Line: 35 Column: 33 - 74
"...urce="de"><img src="/Content/img/languang_07.jpg" /></a> ..." Line: 69 Column: 55 - 84
"..."logo fl"><img src="/images/logo.gif" /></div>..." Line: 137 Column: 72 - 103
"...="_blank"><img src="images/banner.jpg" /></a></..." Line: 228 Column: 98 - 133
"...="_blank"><img src="images/capotchemen.gif" /></a></..." Line: 229 Column: 32 - 61
"...s="small"><img src="images/adv-s.png" /></div>..." Line: 232 Column: 96 - 125
"...lass="ig"><img src="images/adv-b.jpg" /></a> ..." Line: 233 Column: 100 - 130
"...lass="ig"><img src="images/adv-a.jpg" /></a> ..." Line: 234 Column: 100 - 130
"...lass="ig"><img src="images/adv-d.jpg" /></a> ..." Line: 235 Column: 99 - 129
"...lass="ig"><img src="images/adv-e.jpg" /></a> ..." Line: 279 Column: 79 - 116
"...="_blank"><img src="images/adv-aifaeasar.jpg" /></a> ..." Line: 280 Column: 112 - 143
"...="_blank"><img src="images/adv-tcl.jpg" /></a> ..." Line: 281 Column: 97 - 130
"...="_blank"><img src="images/adv-sigma.jpg" /></a> ..." Line: 292 Column: 74 - 105
"...3935.htm"><img src="images/pro/pro.jpg" /><span ..." Line: 293 Column: 77 - 109
"...4049.htm"><img src="images/pro/pro2.jpg" /><span ..." Line: 294 Column: 77 - 109
"...4064.htm"><img src="images/pro/pro3.jpg" /><span ..." Line: 295 Column: 77 - 109
"...9544.htm"><img src="images/pro/pro4.jpg" /><span ..." Line: 296 Column: 77 - 109
"...5755.htm"><img src="images/pro/pro5.jpg" /><span ..." Line: 297 Column: 77 - 109
"...5374.htm"><img src="images/pro/pro6.jpg" /><span ..." Line: 298 Column: 77 - 109
"...1792.htm"><img src="images/pro/pro7.jpg" /><span ..." Line: 299 Column: 77 - 109
"...8780.htm"><img src="images/pro/pro8.jpg" /><span ..." Line: 300 Column: 77 - 109
"...4409.htm"><img src="images/pro/pro9.jpg" /><span ..." Line: 301 Column: 77 - 110
"...4105.htm"><img src="images/pro/pro10.jpg" /><span ..." Line: 1072 Column: 9 - 49
"...> <img class="" src="images/step_03.png" /> ..."

Bad value “” for attribute “name” on element “input”: Must not be empty.

Line: 54 Column: 29 - 99
"... <input name="" type="text" id="float_search_text" class="search_text"/></li> ..."

Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.

Line: 56 Column: 29 - 91
"... <input type="button" id="float_search_btn" class="search_btn"/> ..." Line: 57 Column: 29 - 99
"... <input type="button" id="float_search_btn_hide" style="display:none;"/> ..." Line: 74 Column: 1 - 63
"... </div> <input class="search_btn" id="head_search_btn" type="button" /> <d..."

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Line: 260 Column: 13 - 51
"... <table class="other_sign" width="100%"> ..."

Element “h3” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Line: 314 Column: 17 - 20
"... <h3>Browse..." Line: 734 Column: 25 - 28
"... <h3>Recomm..." Line: 775 Column: 25 - 28
"... <h3>Recomm..."

“td” start tag in table body.

Line: 825 Column: 69 - 40
"...</td></tr> <td><a hre..."

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

Line: 1106 Column: 13 - 32
"... <p class="Add_atta"> ..."

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chemicalbook.com 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.

chemicalbook.com 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.