yealink.com Website Information

Daily Unique Visits: 190,531

Daily Page Views: 1,524,248

Income Per Day: $1,524

Estimated Value: $1,645,920

This website is located in United States and is using following IP address 104.239.197.8. See the complete list of popular websites hosted in United States.

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

Website yealink.com is using the following name servers:

vip2.alidns.com
vip1.alidns.com

and is probably hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN. See the full list of other websites hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN.

The highest website yealink.com position in Alexa rank database was 7520 and the lowest rank position was 11533. Current position of yealink.com in Alexa rank database is 7998.

Desktop speed score of yealink.com (0/100) shows that the page desktop performance can be improved.

Mobile usability score of yealink.com (60/100) is better than the results of 3.95% of other sites and means that the page is not mobile-friendly.

Mobile speed score of yealink.com (0/100) shows that the landing page performance on mobile devices is poor and can be improved.

yealink.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.

yealink.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: YEALINK.COM
Registry Domain ID: 80501165_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2021-01-11T11:31:53Z
Creation Date: 2001-11-30T08:08:11Z
Registry Expiry Date: 2022-11-30T08:08:11Z
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: 2021-05-01T00:29:58Z

yealink.com server information

Servers Location

yealink.com desktop page speed rank

Last tested: 2016-11-22

Desktop Speed Bad

0/100

yealink.com Desktop Speed Test Quick Summary

priority - 946Optimize images

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

Optimize the following images to reduce their size by 9MiB (93% reduction).

Compressing http://yealink.com/W56P%E4%B8%8A%E5%B8%82%EF%BC%88…%BC%89-09351032915.jpg could save 3MiB (97% reduction).
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Compressing http://yealink.com/Upload/Y-15192674828.jpg could save 15.3KiB (91% reduction).
Compressing and resizing http://yealink.com/Upload/linkedinicon-21460735332.jpg could save 4.7KiB (89% reduction).
Compressing http://yealink.com/images/foot03/ll05.png could save 4.5KiB (78% reduction).
Compressing http://yealink.com/images/foot03/ll03.png could save 4.1KiB (74% reduction).
Compressing http://yealink.com/images/foot03/l05.png could save 3.7KiB (85% reduction).
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priority - 21Enable 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 201.7KiB (70% reduction).

Compressing http://yealink.com/en/js/jquery-1.7.2.min.js could save 59.7KiB (64% reduction).
Compressing http://yealink.com/ could save 56.6KiB (83% reduction).
Compressing http://yealink.com/skin/js/jquery-1.4.2.min.js could save 46.5KiB (65% reduction).
Compressing http://yealink.com/en/js/jquery.flexslider-min.js could save 14.9KiB (71% reduction).
Compressing http://yealink.com/sysaspx/common.js could save 12.7KiB (78% reduction).
Compressing http://yealink.com/skin/Scripts/AC_RunActiveContent.js could save 5.8KiB (70% reduction).
Compressing http://yealink.com/skin/js/lanrentuku.js could save 2.6KiB (56% reduction).
Compressing http://yealink.com/skin/js/iepng.js could save 2.3KiB (47% reduction).
Compressing http://yealink.com/en/css/style.css could save 657B (58% reduction).

priority - 20Leverage 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://yealink.com/20161114DECTW56P1663%EF%BC%B811…%BC%89-15251846701.jpg (expiration not specified)
http://yealink.com/Upload/CUSTOMER-10510884731.png (expiration not specified)
http://yealink.com/Upload/Company/SUCCESSFULCASES-10495479210.png (expiration not specified)
http://yealink.com/Upload/PARTNER-10504516460.png (expiration not specified)
http://yealink.com/Upload/Teresa/2016918IGNITE1663…BC%892-17410684064.jpg (expiration not specified)
http://yealink.com/Upload/Teresa/BSFTConnections%E…%94%B9-20310815669.jpg (expiration not specified)
http://yealink.com/Upload/VCMobileforiOS%E4%B8%8A%…Banner-17303015075.jpg (expiration not specified)
http://yealink.com/Upload/Y-15192674828.jpg (expiration not specified)
http://yealink.com/Upload/linkedinicon-21460735332.jpg (expiration not specified)
http://yealink.com/W56P%E4%B8%8A%E5%B8%82%EF%BC%88…%BC%89-09351032915.jpg (expiration not specified)
http://yealink.com/css/16sucai_com.css (expiration not specified)
http://yealink.com/en/css/style.css (expiration not specified)
http://yealink.com/en/images/abg.jpg (expiration not specified)
http://yealink.com/en/js/jquery-1.7.2.min.js (expiration not specified)
http://yealink.com/en/js/jquery.flexslider-min.js (expiration not specified)
http://yealink.com/images/foot03/l01.png (expiration not specified)
http://yealink.com/images/foot03/l03.png (expiration not specified)
http://yealink.com/images/foot03/l05.png (expiration not specified)
http://yealink.com/images/foot03/ll03.png (expiration not specified)
http://yealink.com/images/foot03/ll05.png (expiration not specified)
http://yealink.com/js/16sucai.js (expiration not specified)
http://yealink.com/skin/Scripts/AC_RunActiveContent.js (expiration not specified)
http://yealink.com/skin/css/css.css (expiration not specified)
http://yealink.com/skin/images/Yealinkbg.jpg (expiration not specified)
http://yealink.com/skin/images/arrowdown.jpg (expiration not specified)
http://yealink.com/skin/images/arrowup.jpg (expiration not specified)
http://yealink.com/skin/images/btn_class2.jpg (expiration not specified)
http://yealink.com/skin/images/f_icon.jpg (expiration not specified)
http://yealink.com/skin/images/feebacklink.gif (expiration not specified)
http://yealink.com/skin/images/logo.jpg (expiration not specified)
http://yealink.com/skin/images/mainBody_homebg.jpg (expiration not specified)
http://yealink.com/skin/images/menubbgx2.jpg (expiration not specified)
http://yealink.com/skin/images/notice_daohang_home.jpg (expiration not specified)
http://yealink.com/skin/images/t_icon.jpg (expiration not specified)
http://yealink.com/skin/images/w_icon.jpg (expiration not specified)
http://yealink.com/skin/images/ylwl_searchbg.jpg (expiration not specified)
http://yealink.com/skin/js/iepng.js (expiration not specified)
http://yealink.com/skin/js/jquery-1.4.2.min.js (expiration not specified)
http://yealink.com/skin/js/lanrentuku.js (expiration not specified)
http://yealink.com/sysaspx/common.js (expiration not specified)
http://www.google-analytics.com/analytics.js (2 hours)

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 9 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://yealink.com/skin/js/jquery-1.4.2.min.js
http://yealink.com/skin/js/lanrentuku.js
http://yealink.com/skin/Scripts/AC_RunActiveContent.js
http://yealink.com/sysaspx/common.js
http://yealink.com/skin/js/iepng.js
http://yealink.com/skin/Scripts/AC_RunActiveContent.js
http://yealink.com/skin/js/j.js
http://yealink.com/en/js/jquery-1.7.2.min.js
http://yealink.com/en/js/jquery.flexslider-min.js

Optimize CSS Delivery of the following:

http://yealink.com/skin/css/css.css
http://yealink.com/en/css/style.css
http://yealink.com/skin/css/css.css

priority - 2Prioritize 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.

68.1KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 1 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.

Only about 22% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

priority - 1Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 12KiB (18% reduction).

Minifying http://yealink.com/ could save 12KiB (18% reduction).

priority - 1Reduce server response time

priority - 1Minify 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 7.3KiB (31% reduction).

Minifying http://yealink.com/sysaspx/common.js could save 4.2KiB (27% reduction).
Minifying http://yealink.com/skin/Scripts/AC_RunActiveContent.js could save 3.1KiB (39% 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 728B (12% reduction).

Minifying http://yealink.com/skin/css/css.css could save 728B (12% reduction) after compression.

yealink.com Desktop Resource Breakdown

Total Resources	53
Number of Hosts	3
Static Resources	41
JavaScript Resources	9
CSS Resources	3

yealink.com mobile page speed rank

Last tested: 2016-11-22

Mobile Speed Bad

0/100

yealink.com Mobile Speed Test Quick Summary

priority - 946Optimize images

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

Optimize the following images to reduce their size by 9MiB (93% reduction).

Compressing http://yealink.com/W56P%E4%B8%8A%E5%B8%82%EF%BC%88…%BC%89-09351032915.jpg could save 3MiB (97% reduction).
Compressing http://yealink.com/20161114DECTW56P1663%EF%BC%B811…%BC%89-15251846701.jpg could save 3MiB (96% reduction).
Compressing http://yealink.com/Upload/Teresa/2016918IGNITE1663…BC%892-17410684064.jpg could save 3MiB (95% reduction).
Compressing http://yealink.com/Upload/Teresa/BSFTConnections%E…%94%B9-20310815669.jpg could save 64.2KiB (23% reduction).
Compressing http://yealink.com/Upload/VCMobileforiOS%E4%B8%8A%…Banner-17303015075.jpg could save 50.7KiB (33% reduction).
Compressing http://yealink.com/Upload/Y-15192674828.jpg could save 15.3KiB (91% reduction).
Compressing http://yealink.com/images/foot03/ll05.png could save 4.5KiB (78% reduction).
Compressing http://yealink.com/images/foot03/ll03.png could save 4.1KiB (74% reduction).
Compressing http://yealink.com/images/foot03/l05.png could save 3.7KiB (85% reduction).
Compressing http://yealink.com/images/foot03/l03.png could save 3.7KiB (84% reduction).
Compressing http://yealink.com/Upload/linkedinicon-21460735332.jpg could save 3.6KiB (68% reduction).
Compressing http://yealink.com/images/foot03/l01.png could save 3.4KiB (86% reduction).

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 9 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

http://yealink.com/skin/css/css.css
http://yealink.com/en/css/style.css
http://yealink.com/skin/css/css.css

priority - 31Leverage 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:

priority - 21Enable 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 201.7KiB (70% reduction).

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.

68.1KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 1 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.

Only about 28% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

priority - 3Reduce server response time

priority - 1Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 12KiB (18% reduction).

Minifying http://yealink.com/ could save 12KiB (18% reduction).

priority - 1Minify 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 7.3KiB (31% reduction).

Minifying http://yealink.com/sysaspx/common.js could save 4.2KiB (27% reduction).
Minifying http://yealink.com/skin/Scripts/AC_RunActiveContent.js could save 3.1KiB (39% 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 728B (12% reduction).

Minifying http://yealink.com/skin/css/css.css could save 728B (12% reduction) after compression.

yealink.com Mobile Resource Breakdown

Total Resources	53
Number of Hosts	3
Static Resources	41
JavaScript Resources	9
CSS Resources	3

yealink.com mobile page usability

Last tested: 2016-11-22

Mobile Usability Bad

60/100

yealink.com Mobile Usability Test Quick Summary

priority - 40Use 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.

Contact us and 4 others render only 5 pixels tall (12 CSS pixels).

| and 2 others render only 5 pixels tall (12 CSS pixels).

Solutions and 4 others render only 6 pixels tall (15 CSS pixels).

Yealink one-st…of all sizes. and 10 others render only 5 pixels tall (12 CSS pixels).

Solution and 3 others render only 5 pixels tall (14 CSS pixels).

Opportunity In…m for IP Phone and 26 others render only 5 pixels tall (12 CSS pixels).

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

priority - 16Size 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 href="index.aspx"></a> and 9 others are close to other tap targets.

The tap target <a href="/index.aspx" class="toplinka">English</a> and 4 others are close to other tap targets.

The tap target <input id="KeyWord" type="text" name="KeyWord" class="input_class23"> is close to 5 other tap targets.

The tap target <input id="btnsearch" type="image" class="btn_class23"> is close to 7 other tap targets.

The tap target <a id="menu_34" href="solution.aspx" class="depth1">Solutions</a> and 4 others are close to other tap targets.

The tap target <ol class="flex-control-n…control-paging">12345</ol> is close to 1 other tap targets.

The tap target <a href="#" class="flex-next"> is close to 2 other tap targets.

The tap target <a href="Solution_list.…7&Cate_Id=1277">By Environment</a> and 29 others are close to other tap targets.

The tap target <a href="Sitemap.aspx" class="bottomlinka">Sitemap</a> and 2 others are close to other tap targets.

The tap target <a href="Solutionform.aspx"></a> and 2 others are close to other tap targets.

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.

priority - 3Size content to viewport

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.

The page content is 1,000 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <div id="header">English | Deut…Responsibility</div> falls outside the viewport.
The element <div class="bottomenu">Solution…Responsibility</div> falls outside the viewport.
The element <a href="Legal.aspx" class="bottomlinka">Legal</a> falls outside the viewport.
The element <td></td> falls outside the viewport.

yealink.com HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 122
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."

Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).

Line: 2 Column: 123 - 58
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml" xml:lang="en"> <head..."

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

Line: 2 Column: 123 - 58
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml" xml:lang="en"> <head..."

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 5 Column: 2 - 63
"...=UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <met..."

Bad value “Bookmark” for attribute “rel” on element “link”: The string “Bookmark” is not a registered keyword.

Line: 31 Column: 2 - 55
"...on.ico"> <link rel="Bookmark" href="templates/res/favicon.ico"> <..."

Bogus comment.

Line: 35 Column: - 4
"...on.ico"> <![if !IE]><scrip..." Line: 35 Column: - 65
"...js"></script><![endif]> <!--[..."

Attribute “eachdelay” not allowed on element “dl” at this point.

Line: 79 Column: 15 - 88
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 85 Column: 36 - 109
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 90 Column: 36 - 109
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 103 Column: 33 - 106
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 113 Column: 36 - 109
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 122 Column: 36 - 109
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 130 Column: 36 - 109
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 135 Column: 36 - 109
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 139 Column: 36 - 109
"... <dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 150 Column: 29 - 102
"...submenus"><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 151 Column: - 1953
"......" Line: 155 Column: 29 - 102
"...submenus"><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 156 Column: 274 - 347
"...</dd></dl><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 157 Column: 202 - 275
"...</dd></dl><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 158 Column: 253 - 326
"...</dd></dl><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 159 Column: 416 - 489
"...</dd></dl><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 160 Column: 84 - 157
"...</dt></dl><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 164 Column: 29 - 102
"...submenus"><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 165 Column: 350 - 423
"...</dd></dl><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..." Line: 166 Column: 236 - 309
"...</dd></dl><dl eachdelay="dt,dd" delaytime="50" effect="dt,dd" animate="fadeInRight"> ..."

Attribute “delaytime” not allowed on element “dl” at this point.

Attribute “effect” not allowed on element “dl” at this point.

Attribute “animate” not allowed on element “dl” at this point.

Element “dl” is missing a required instance of child element “dd”.

Line: 160 Column: 79 - 83
"...y</a></dt></dl><dl ea..." Line: 161 Column: 72 - 76
"... </a></dt></dl></div>..."

Attribute “webkit-playsinline” not allowed on element “video” at this point.

Line: 254 Column: 5 - 210
"...图。--> <video class="video" style="background-image: url(/upfiles/onepage/201808/1533085978401.png);" poster="templates/images/png.png" id="alan" loop="loop" preload="auto" webkit-playsinline="true" playsinline></vide..."

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

Line: 267 Column: 26 - 62
"...play_btn"><img src="templates/images/play.png"></div>..."

The “font” element is obsolete. Use CSS instead.

Line: 305 Column: 31 - 55
"... <br /><font id="respond_trial"></font..." Line: 458 Column: 10 - 15
"... <h1><font>Yealin..."

Bad value “true” for attribute “preload” on element “video”.

Line: 323 Column: 27 - 162
"..."videobg"><video class="video" poster="templates/images/png.png" src="/upfiles/solution/201805/1527056997612.mp4" preload="true" autoplay loop></vide..." Line: 341 Column: 27 - 161
"..."videobg"><video class="video" poster="templates/images/png.png" src="/upfiles/solution/201805/1527056997612.mp4" preload="true" autoplay loop></vide..."

Attribute “animate” not allowed on element “ul” at this point.

Line: 330 Column: 7 - 65
".../p> <ul class="clear" animate="fadeInUp delay600" effect="li"> ..." Line: 348 Column: 7 - 64
".../p> <ul class="clear" animate="fadeInUp delay600" effect="li"> ..."

Attribute “effect” not allowed on element “ul” at this point.

Line: 330 Column: 7 - 65
".../p> <ul class="clear" animate="fadeInUp delay600" effect="li"> ..." Line: 348 Column: 7 - 64
".../p> <ul class="clear" animate="fadeInUp delay600" effect="li"> ..."

Attribute “firstactive” not allowed on element “div” at this point.

Line: 471 Column: 7 - 45
"...h2> <div class="texts" firstactive=".text"> ..."

Attribute “firstactive” not allowed on element “dl” at this point.

Line: 502 Column: 6 - 43
"...es"> <dl class="pages" firstactive=".page"> ..."

Element “dl” is missing a required child element.

Line: 503 Column: 7 - 23
"...e"> <dd class="page"> ..."

Attribute “goto” not allowed on element “a” at this point.

Line: 526 Column: 4 - 57
"...otop"> <a href="javascript:void(0);" class="tac" goto="html"> <..."

Warnings

Attribute “xmlns” is not serializable as XML 1.0.

Line: 2 Column: 123 - 58
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml" xml:lang="en"> <head..."

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

Line: 181 Column: - 71
"...onfont"></i></a> <..."

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

Line: 261 Column: 8 - 46
"..."> <h1 class="fadeInUp animated delay300">Easy C..." Line: 325 Column: 7 - 10
"...t"> <h1>Video ..." Line: 343 Column: 7 - 10
"...t"> <h1>Voice ..." Line: 458 Column: 6 - 9
"...xt"> <h1><font>..." Line: 466 Column: 6 - 9
"...ac"> <h1>News</..." Line: 499 Column: 6 - 9
"...le"> <h1>Our cu..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 311 Column: 3 - 35
"...ection> <section class="advantage about"> <!..." Line: 357 Column: 3 - 28
"...ection> <section class="products"> <d..." Line: 525 Column: 3 - 25
"...ion> <section class="gotop"> <a..."

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

Line: 238 Column: 3 - 25
"...t> <article class="index"> <d..."

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Line: 648 Column: 2 - 102
"...="hide"> <script src="https://s19.cnzz.com/z_stat.php?id=1262859115&web_id=1262859115" language="JavaScript"></scrip..."

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Line: 2 Column: 123 - 58
"...onal.dtd"> <html xmlns="https://www.w3.org/1999/xhtml" xml:lang="en"> <head..."

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yealink.com Ping

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yealink.com TRACEROUTE

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YEALINK.COM Website Information

yealink.com Website Information

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yealink.com Desktop Speed Test Quick Summary

priority - 946Optimize images

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priority - 21Enable compression

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priority - 20Leverage 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.

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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 2Prioritize 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.

priority - 1Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

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yealink.com Desktop Resource Breakdown

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yealink.com Mobile Speed Test Quick Summary

priority - 946Optimize images

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

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priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 31Leverage 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.

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priority - 21Enable compression

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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.

The page content is 1,000 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

yealink.com HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).