dienthoaivui.com.vn Website Information

Daily Unique Visits: 2,267

Daily Page Views: 6,801

Income Per Day: $20

Estimated Value: $7,200

dienthoaivui.com.vn is registered under .VN top-level domain. Please check other sites in .VN zone.

No name server records were found.

and is probably hosted by VIETEL-AS-AP Viettel Group, VN. See the full list of other websites hosted by VIETEL-AS-AP Viettel Group, VN.

The highest website dienthoaivui.com.vn position in Alexa rank database was 31706 and the lowest rank position was 989488. Current position of dienthoaivui.com.vn in Alexa rank database is 474500.

Desktop speed score of dienthoaivui.com.vn (90/100) is better than the results of 88.96% of other sites and shows that the page is performing great on desktop computers.

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

Mobile speed score of dienthoaivui.com.vn (61/100) is better than the results of 57.04% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

dienthoaivui.com.vn 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.

dienthoaivui.com.vn 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.

dienthoaivui.com.vn domain is not supported

dienthoaivui.com.vn server information

Servers Location

dienthoaivui.com.vn desktop page speed rank

Last tested: 2018-06-16

Desktop Speed Good

90/100

dienthoaivui.com.vn Desktop Speed Test Quick Summary

priority - 4Leverage 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://www.googletagmanager.com/gtm.js?id=GTM-KJLJ92S (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/147696…0308?v=2.8.17&r=stable (20 minutes)
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priority - 3Optimize images

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priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content

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

Remove render-blocking JavaScript:

https://dienthoaivui.com.vn/min/css_async.js

dienthoaivui.com.vn Desktop Resource Breakdown

Total Resources	98
Number of Hosts	17
Static Resources	82
JavaScript Resources	40
CSS Resources	10

dienthoaivui.com.vn mobile page speed rank

Last tested: 2018-08-05

Mobile Speed Bad

61/100

dienthoaivui.com.vn Mobile Speed Test Quick Summary

priority - 39Leverage 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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https://dienthoaivui.com.vn/wp-admin/js/password-strength-meter.min.js (expiration not specified)
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https://dienthoaivui.com.vn/wp-content/plugins/ube…ets/js/ubermenu.min.js (expiration not specified)
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https://dienthoaivui.com.vn/wp-content/themes/flat…ssets/css/fl-icons.css (expiration not specified)
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https://dienthoaivui.com.vn/wp-content/themes/flat…sets/js/woocommerce.js (expiration not specified)
https://dienthoaivui.com.vn/wp-content/uploads/201…hua-dien-thoai-vui.png (expiration not specified)
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https://dienthoaivui.com.vn/wp-content/uploads/2017/12/kinh6.jpg (expiration not specified)
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https://dienthoaivui.com.vn/wp-content/uploads/2017/12/man6-1.jpg (expiration not specified)
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https://dienthoaivui.com.vn/wp-includes/css/dashicons.min.css (expiration not specified)
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https://www.googletagmanager.com/gtm.js?id=GTM-KJLJ92S (15 minutes)
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priority - 26Optimize images

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priority - 0Enable compression

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priority - 0Minify JavaScript

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dienthoaivui.com.vn Mobile Resource Breakdown

Total Resources	87
Number of Hosts	16
Static Resources	72
JavaScript Resources	36
CSS Resources	4

dienthoaivui.com.vn mobile page usability

Last tested: 2018-08-05

Mobile Usability Good

100/100

dienthoaivui.com.vn HTML validation

Warnings

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

Line: 20 Column: - 13880
"...618em;content:"";text-decorat..."

The “type” attribute is unnecessary for JavaScript resources.

Line: 124 Column: 1 - 111
".../> <script type='text/javascript' src='https://dienthoaivui.com.vn/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp'></scri..." Line: 126 Column: 1 - 31
".../script> <script type='text/javascript'> /* <!..." Line: 975 Column: 1 - 31
"...ter --> <script type="text/javascript"> v..." Line: 1059 Column: 11 - 41
"...</script> <script type="text/javascript"> var..." Line: 1067 Column: 1 - 31
"...ript> <script type='text/javascript'> /* <!..." Line: 1078 Column: 1 - 31
"...dif]--> <script type='text/javascript'> /* <!..." Line: 1085 Column: 1 - 31
"...script> <script type='text/javascript'> /* <!..." Line: 1091 Column: 1 - 31
".../script> <script type='text/javascript'> /* <!..." Line: 1099 Column: 1 - 31
"...cript> <script type='text/javascript'> /* <!..." Line: 1107 Column: 1 - 31
"...cript> <script type='text/javascript'> var E..." Line: 1116 Column: 1 - 31
"...pt> <script type='text/javascript'> var e..." Line: 1162 Column: 1 - 37
"...cript --> <script type="text/javascript" defer> funct..."

The “navigation” role is unnecessary for element “nav”.

Line: 194 Column: 7 - 169
"...r"> <nav role="navigation" class="elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-horizontal e--pointer-underline e--animation-fade"><ul id..." Line: 204 Column: 4 - 112
"...</div> <nav class="elementor-nav-menu--dropdown elementor-nav-menu__container" role="navigation" aria-hidden="true"><ul id..."

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

Line: 223 Column: 7 - 278
"...p"> <section class="elementor-element elementor-element-4989646b elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section elementor-top-section" data-id="4989646b" data-element_type="section"> ..." Line: 162 Column: 5 - 276
"...rap"> <section class="elementor-element elementor-element-2b584e5 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section elementor-inner-section" data-id="2b584e5" data-element_type="section"> ..." Line: 156 Column: 7 - 590
"...p"> <section class="elementor-element elementor-element-2f10ae08 elementor-section-height-min-height elementor-section-content-middle elementor-hidden-phone elementor-section-boxed elementor-section-height-default elementor-section-items-middle elementor-section elementor-top-section" data-id="2f10ae08" data-element_type="section" id="menu-chinh-wrap" data-settings="{"background_background":"classic","sticky":"top","sticky_on":["desktop","tablet"],"sticky_offset":0,"sticky_effects_offset":0}"> ..." Line: 298 Column: 5 - 243
"...rap"> <section class="elementor-element elementor-element-3c54a0e elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section elementor-inner-section" data-id="3c54a0e" data-element_type="section"> ..." Line: 292 Column: 5 - 364
"...tion> <section class="elementor-element elementor-element-399f8497 elementor-hidden-desktop elementor-hidden-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section elementor-top-section" data-id="399f8497" data-element_type="section" data-settings="{"background_background":"classic"}"> ..." Line: 347 Column: 5 - 528
"...tion> <section class="elementor-element elementor-element-a2eb308 elementor-section-full_width elementor-hidden-desktop elementor-hidden-tablet elementor-section-height-default elementor-section-height-default elementor-section elementor-top-section" data-id="a2eb308" data-element_type="section" data-settings="{"background_background":"classic","sticky_on":["tablet","mobile"],"sticky":"top","sticky_offset":0,"sticky_effects_offset":0}"> ..." Line: 419 Column: 11 - 46
"... <section class="row SlidePromotion"> ..." Line: 668 Column: 5 - 245
".../div> <section class="elementor-element elementor-element-57fbe832 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section elementor-inner-section" data-id="57fbe832" data-element_type="section"> ..." Line: 966 Column: 6 - 38
"...ar"> <section style="font-size: 12px"> <a hr..."

The first occurrence of ID “dpz-zone” was here.

Line: 242 Column: 4 - 22
"...iner"> <div id="dpz-zone"><selec..."

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: 552 Column: 4 - 62
"...iner"> <h1 class="elementor-heading-title elementor-size-default"><i cla..."

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

Line: 537 Column: 1 - 119
"...ain"> <article id="post-2" class="post-2 page type-page status-publish" itemtype="https://schema.org/CreativeWork" itemscope> <div..."

Attribute “"” is not serializable as XML 1.0.

Line: 861 Column: 1 - 158
"...ul></div> <div style="font-weight: bold;background-color: #ddd;padding: 7px 10px 7px;color: #000;margin: 10px 0;font-style: italic;text-decoration: unset !important;""><a sty..."

The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.

Line: 1120 Column: - 25
"...e Tag Manager -> <script> setT..." Line: 1130 Column: - 29
"...e Tag Manager -> <!-- FB Live..." Line: 1152 Column: - 36
"...er (noscript) -> <noscript><if..." Line: 1155 Column: - 40
"...er (noscript) -> <!-- Sta..."

Errors

CSS: “margin-right”: “none” is not a “margin-right” value.

Line: 8 Column: 1175 - 1178
"...gin-right:none;margi..."

CSS: “--track-background”: “0” is not a “color” value.

Line: 19 Column: 33649 - 33652
"...100%/100% 100%;--ran..." Line: 19 Column: 48040 - 48043
"...100%/100% 100%;--ran..."

CSS: The @charset rule may only occur at the start of the style sheet. Please check that there are no spaces before it..

Line: 20 Column: - 17
"...charset "UTF-8";.woocommerce ...." Line: 21 Column: - 17
"...charset "UTF-8";@-webkit-keyfr..."

CSS: Unknown pseudo-element or pseudo-class “:lchild”

Line: 33 Column: 2040 - 2045
"...nav ul li:lchild a{bor..." Line: 33 Column: 2102 - 2107
"...col-sm-12:lchild{margi..."

CSS: “--divider-border-color”: Parse Error.

Line: 39 Column: 44092 - 44103
"...er-color:$gray-darkest;--div..."

CSS: “margin-center”: Property “margin-center” doesn't exist.

Line: 40 Column: - 4575
"...;margin-center:0}.elementor-2 ..." Line: 40 Column: - 5363
"...;margin-center:0}.elementor-2 ..."

CSS: Parse Error.

Line: 42 Column: - 17
"...charset "UTF-8";.elementor-bg-..."

CSS: “transform”: too few values for the property “transform”.

Line: 42 Column: - 8108
"...ar(--translate))}.elementor-ed..."

CSS: “-ms-grid-columns”: Parse Error.

Line: 56 Column: - 4262
"...columns:(1fr)[4];grid-template..." Line: 56 Column: - 4493
"...columns:(1fr)[3];grid-template..." Line: 56 Column: - 4724
"...columns:(1fr)[2];grid-template..." Line: 58 Column: - 4719
"...columns:(1fr)[2];grid-template..." Line: 58 Column: - 4896
"...columns:(1fr)[2];grid-template..."

Duplicate ID “dpz-zone”.

Line: 310 Column: 4 - 22
"...iner"> <div id="dpz-zone"><butto..."

Element “img” is missing required attribute “src”.

Line: 424 Column: 37 - 242
"... <img title="Sửa chữa | Nâng cấp <br/> Macbook" alt="Sửa chữa | Nâng cấp <br/> Macbook" class="lazyOwl" data-src="https://dienthoaivui.com.vn/wp-content/uploads/2020/04/Sliding-800x300-1-1.png"/> ..." Line: 429 Column: 37 - 238
"... <img title="Nâng cấp Latop<br/>RAM-SSD Chính Hãng" alt="Nâng cấp Latop<br/>RAM-SSD Chính Hãng" class="lazyOwl" data-src="https://dienthoaivui.com.vn/wp-content/uploads/2020/04/800x300.png"/> ..." Line: 434 Column: 37 - 244
"... <img title="Thay màn hình iPhone<br/>Pisen chính hãng" alt="Thay màn hình iPhone<br/>Pisen chính hãng" class="lazyOwl" data-src="https://dienthoaivui.com.vn/wp-content/uploads/2020/05/Slide.png"/> ..." Line: 439 Column: 37 - 230
"... <img title="Thay pin iPhone<br/>Giảm 10%" alt="Thay pin iPhone<br/>Giảm 10%" class="lazyOwl" data-src="https://dienthoaivui.com.vn/wp-content/uploads/2020/07/THAY-PIN-IPHONE-2.png"/> ..." Line: 444 Column: 37 - 238
"... <img title="Pin iPhone<br/>Dung lượng siêu cao" alt="Pin iPhone<br/>Dung lượng siêu cao" class="lazyOwl" data-src="https://dienthoaivui.com.vn/wp-content/uploads/2020/04/800x300_PISEN.png"/> ..."

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

Line: 452 Column: 120 - 154
"... <span><font class="fa fa-caret-up fa-2x"></font..." Line: 457 Column: 124 - 158
"... <span><font class="fa fa-caret-up fa-2x"></font..." Line: 462 Column: 128 - 162
"... <span><font class="fa fa-caret-up fa-2x"></font..." Line: 467 Column: 115 - 149
"... <span><font class="fa fa-caret-up fa-2x"></font..." Line: 472 Column: 121 - 155
"... <span><font class="fa fa-caret-up fa-2x"></font..."

Element “script” must not have attribute “defer” unless attribute “src” is also specified.

Line: 501 Column: 9 - 22
"... <script defer> ..." Line: 1162 Column: 1 - 37
"...cript --> <script type="text/javascript" defer> funct..."

Duplicate attribute “rel”.

Line: 860 Column: - 269
"...aivui/#844" rel="dofollow">127..." Line: 860 Column: - 445
"...aivui/#455" rel="dofollow">136..." Line: 860 Column: - 628
"...ivui/#1170" rel="dofollow">690..." Line: 860 Column: - 797
"...aivui/#116" rel="dofollow">34 ..." Line: 860 Column: - 978
"...aivui/#113" rel="dofollow">8 C..." Line: 860 Column: - 1147
"...aivui/#108" rel="dofollow">51 ..." Line: 860 Column: - 1318
"...oaivui/#98" rel="dofollow">129..." Line: 860 Column: - 1491
"...oaivui/#97" rel="dofollow">207..." Line: 860 Column: - 1667
"...oaivui/#88" rel="dofollow">81A..." Line: 860 Column: - 1844
"...oaivui/#82" rel="dofollow">300..." Line: 860 Column: - 2149
"...aivui/#128" rel="dofollow">126..." Line: 860 Column: - 2330
"...ivui/#1190" rel="dofollow">34 ..." Line: 860 Column: - 2496
"...aivui/#115" rel="dofollow">546..." Line: 860 Column: - 2711
"...aivui/#112" rel="dofollow">276..." Line: 860 Column: - 2891
"...oaivui/#99" rel="dofollow">51 ..." Line: 860 Column: - 3077
"...oaivui/#78" rel="dofollow">353..." Line: 860 Column: - 3256
"...aivui/#107" rel="dofollow">19 ..."

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

Line: 860 Column: 169 - 280
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#844" rel="dofollow">127 Ho..." Line: 860 Column: 345 - 456
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#455" rel="dofollow">136 Ng..." Line: 860 Column: 527 - 639
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#1170" rel="dofollow">690 Âu..." Line: 860 Column: 697 - 808
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#116" rel="dofollow">34 Võ ..." Line: 860 Column: 878 - 989
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#113" rel="dofollow">8 Cộng..." Line: 860 Column: 1047 - 1158
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#108" rel="dofollow">51 Qua..." Line: 860 Column: 1219 - 1329
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#98" rel="dofollow">129 Lê..." Line: 860 Column: 1392 - 1502
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#97" rel="dofollow">207 Ng..." Line: 860 Column: 1568 - 1678
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#88" rel="dofollow">81A Tr..." Line: 860 Column: 1745 - 1855
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#82" rel="dofollow">300 Đư..." Line: 860 Column: 2049 - 2160
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#128" rel="dofollow">126 H..." Line: 860 Column: 2229 - 2341
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#1190" rel="dofollow">34 Qua..." Line: 860 Column: 2396 - 2507
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#115" rel="dofollow">546 Tr..." Line: 860 Column: 2611 - 2722
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#112" rel="dofollow">276 Ng..." Line: 860 Column: 2792 - 2902
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#99" rel="dofollow">51 Đại..." Line: 860 Column: 2978 - 3088
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#78" rel="dofollow">353 Cầ..." Line: 860 Column: 3156 - 3267
"...<li><span><a rel="dofollow" href="https://dienthoaivui.com.vn/dia-chi-he-thong-sua-chua-dienthoaivui/#107" rel="dofollow">19 Thá..."

No space between attributes.

Line: 861 Column: - 157
"...et !important;""><a style="col..."

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Line: 861 Column: - 157
"...et !important;""><a style="col..."

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

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

Line: 898 Column: 379 - 496
"...></li><li><a href="https://dienthoaivui.com.vn/dich-vu-cho-khach-hang-doanh-nghiep-tai-dien-thoai-vui/" rel="dofollow noopener">Khách ..." Line: 898 Column: 751 - 849
"...></li><li><a href="https://dienthoaivui.com.vn/chinh-sach-bao-hanh/" target="_blank" rel="dofollow noopener">Chính ..." Line: 898 Column: 882 - 979
"...></li><li><a href="https://dienthoaivui.com.vn/chinh-sach-bao-mat/" target="_blank" rel="dofollow noopener">Chính ..." Line: 898 Column: 1011 - 1108
"...></li><li><a href="https://dienthoaivui.com.vn/chinh-sach-su-dung/" target="_blank" rel="dofollow noopener">Chính ..." Line: 898 Column: 1266 - 1377
"...></li><li><a href="https://dienthoaivui.com.vn/quy-dinh-ve-viec-sao-luu-du-lieu/" target="_blank" rel="dofollow noopener">Quy đị..." Line: 898 Column: 1423 - 1519
"...></li><li><a href="https://dienthoaivui.com.vn/kiem-tra-bao-hanh/" target="_blank" rel="dofollow noopener">Kiểm t..." Line: 898 Column: 1550 - 1638
"...></li><li><a href="https://dienthoaivui.com.vn/gioi-thieu" target="_blank" rel="dofollow noopener">Giới t..." Line: 898 Column: 1680 - 1765
"...></li><li><a href="https://dienthoaivui.com.vn/lien-he" target="_blank" rel="dofollow noopener">Liên h..." Line: 936 Column: 7 - 95
"...ul> <li><a href="https://dienthoaivui.com.vn/khuyen-mai" target="_blank" rel="dofollow noopener">Khuyến..." Line: 937 Column: 7 - 129
"...li> <li><a href="https://dienthoaivui.com.vn/khoa-hoc-sua-chua-dien-thoai-tai-hcm-ha-noi/" target="_blank" rel="dofollow noopener">Dạy ng..." Line: 938 Column: 7 - 96
"...li> <li><a href="https://dienthoaivui.com.vn/tuyen-dung/" target="_blank" rel="dofollow noopener">Tuyển ..." Line: 939 Column: 7 - 104
"...li> <li><a href="https://dienthoaivui.com.vn/hop-tac-kinh-doanh/" target="_blank" rel="dofollow noopener">Hợp tá..."

Bad value “100px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

Line: 967 Column: 101 - 207
"...="_blank"><img width="100px" height="auto" src="https://dienthoaivui.com.vn/wp-content/uploads/2018/04/thongbao.png"></a> <..."

Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.

Line: 967 Column: 101 - 207
"...="_blank"><img width="100px" height="auto" src="https://dienthoaivui.com.vn/wp-content/uploads/2018/04/thongbao.png"></a> <..."

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

Line: 967 Column: 101 - 207
"...="_blank"><img width="100px" height="auto" src="https://dienthoaivui.com.vn/wp-content/uploads/2018/04/thongbao.png"></a> <..."

Bogus comment.

Line: 1120 Column: - 4
"... </script> <!- Google Tag Man..." Line: 1130 Column: - 4
"...; </script> <!- End Google Tag..." Line: 1152 Column: - 4
"... </script> <!- Google Tag Man..." Line: 1155 Column: - 4
"...</noscript> <!- End Google Tag..."

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dienthoaivui.com.vn 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.

dienthoaivui.com.vn 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.

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priority - 4Leverage 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 - 3Optimize images

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

Optimize the following images to reduce their size by 31.3KiB (22% reduction).

priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content

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

Remove render-blocking JavaScript:

dienthoaivui.com.vn Desktop Resource Breakdown

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priority - 39Leverage 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 - 26Optimize images

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

Optimize the following images to reduce their size by 256.8KiB (52% reduction).

priority - 0Enable compression

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

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priority - 0Minify JavaScript

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dienthoaivui.com.vn HTML validation

Warnings

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

The “type” attribute is unnecessary for JavaScript resources.

The “navigation” role is unnecessary for element “nav”.

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

The first occurrence of ID “dpz-zone” was here.

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).

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

Attribute “"” is not serializable as XML 1.0.

The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.

Errors

CSS: “margin-right”: “none” is not a “margin-right” value.

CSS: “--track-background”: “0” is not a “color” value.

CSS: The @charset rule may only occur at the start of the style sheet. Please check that there are no spaces before it..

CSS: Unknown pseudo-element or pseudo-class “:lchild”

CSS: “--divider-border-color”: Parse Error.

CSS: “margin-center”: Property “margin-center” doesn't exist.

CSS: Parse Error.

CSS: “transform”: too few values for the property “transform”.

CSS: “-ms-grid-columns”: Parse Error.

Duplicate ID “dpz-zone”.

Element “img” is missing required attribute “src”.

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

Element “script” must not have attribute “defer” unless attribute “src” is also specified.

Duplicate attribute “rel”.

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

No space between attributes.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

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

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

Bad value “100px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.

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

Bogus comment.

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dienthoaivui.com.vn TRACEROUTE