AlexaWhoisServer InformationDesktop SpeedMobile SpeedMobile UsabilityHTML ErrorsPingTraceroute

OPENDURIAN.COM OpenDurian เตรียมสอบ TOEIC IELTS TCAS ก.พ.

opendurian.com Website Information

Daily Unique Visits: 0

Daily Page Views: 0

Income Per Day: $0

Estimated Value: $9

This website is located in Singapore and is using following IP address 122.248.195.217. See the complete list of popular websites hosted in Singapore.

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

Website opendurian.com is using the following name servers:

  • ns-1459.awsdns-54.org
  • ns-1538.awsdns-00.co.uk
  • ns-376.awsdns-47.com
  • ns-766.awsdns-31.net

and is probably hosted by AMAZON-02 - Amazon.com, Inc., US. See the full list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

The highest website opendurian.com position in Alexa rank database was 432322 and the lowest rank position was 997542. Current position of opendurian.com in Alexa rank database is below 1 million.

Desktop speed score of opendurian.com (86/100) is better than the results of 82.23% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of opendurian.com (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.

Mobile speed score of opendurian.com (68/100) is better than the results of 72.32% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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opendurian.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.

opendurian.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: OPENDURIAN.COM
Registry Domain ID: 1781934316_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2020-06-17T16:53:10Z
Creation Date: 2013-02-22T04:44:10Z
Registry Expiry Date: 2024-02-22T04:44:10Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: ok https://icann.org/epp#ok
Name Server: NS-1459.AWSDNS-54.ORG
Name Server: NS-1538.AWSDNS-00.CO.UK
Name Server: NS-376.AWSDNS-47.COM
Name Server: NS-766.AWSDNS-31.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-01-03T07:07:36Z

opendurian.com server information

Servers Location

opendurian.com desktop page speed rank

Last tested: 2019-09-08

Desktop Speed Good
86/100

opendurian.com Desktop Speed Test Quick Summary


priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

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

Optimize CSS Delivery of the following:

https://cache.opendurian.com/static/v.2.1.32.7/css/durian2.css

priority - 3Leverage 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-K6HG8BB (15 minutes)
https://connect.facebook.net/signals/config/725603…13978?v=2.9.4&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.9.4 (20 minutes)
https://www.google-analytics.com/plugins/ua/ec.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://ssl.google-analytics.com/ga.js (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 1Enable 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 9.9KiB (79% reduction).

Compressing https://cache.opendurian.com/static/v.2.1.32.7/img/hill_patterned.svg could save 9.9KiB (79% reduction).

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 5.8KiB (26% reduction).

Minifying https://www.opendurian.com/ could save 5.8KiB (26% reduction) after compression.

opendurian.com Desktop Resource Breakdown

Total Resources80
Number of Hosts15
Static Resources61
JavaScript Resources20
CSS Resources1

opendurian.com mobile page speed rank

Last tested: 2019-10-11

Mobile Speed Medium
68/100

opendurian.com Mobile Speed Test Quick Summary


priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

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

Optimize CSS Delivery of the following:

https://cache.opendurian.com/static/release-v.2.1.36-6/css/durian2.css

priority - 5Leverage 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-K6HG8BB (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/725603…13978?v=2.9.5&r=stable (20 minutes)
https://www.google-analytics.com/plugins/ua/ec.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://ssl.google-analytics.com/ga.js (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 1Enable 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 9.9KiB (79% reduction).

Compressing https://cache.opendurian.com/static/release-v.2.1.…img/hill_patterned.svg could save 9.9KiB (79% reduction).

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 5.8KiB (26% reduction).

Minifying https://www.opendurian.com/ could save 5.8KiB (26% reduction) after compression.

opendurian.com Mobile Resource Breakdown

Total Resources80
Number of Hosts15
Static Resources62
JavaScript Resources19
CSS Resources1

opendurian.com mobile page usability

Last tested: 2019-10-11

Mobile Usability Good
96/100

opendurian.com Mobile Usability Test Quick Summary


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 412 CSS pixels wide, but the viewport is only 401 CSS pixels wide. The following elements fall outside the viewport:

The element <div class="navbar-header">Toggle navigation</div> falls outside the viewport.

priority - 0Size 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="http://twitter…rap/index.html">Twitter Bootstrap</a> is close to 1 other tap targets.
The tap target <a href="/terms_of_service/">เงื่อนไขการใช้งาน</a> and 2 others are close to other tap targets.

opendurian.com HTML validation

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Line: 515 Column: - 23
"... charset="utf-8"> <meta name..."

Bad value “https://opendurian.s3.amazonaws.com/media/covers/news/12 tenses_cover_banner.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 866 Column: 8 - 126
"...4> <img class="card-cover" src="https://opendurian.s3.amazonaws.com/media/covers/news/12 tenses_cover_banner.jpg" alt=""/> ..."

Bad value “https://opendurian.s3.amazonaws.com/media/covers/news/TOEIC_by companies.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 894 Column: 8 - 122
"...4> <img class="card-cover" src="https://opendurian.s3.amazonaws.com/media/covers/news/TOEIC_by companies.jpg" alt=""/> ..."

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

Line: 1004 Column: 41 - 133
"... <img src="https://opendurian.s3.amazonaws.com/static/img/covers/course/pat1_hack_thumb.jpg"/> ..." Line: 1034 Column: 45 - 139
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/jet_math_thumb.png"/> ..." Line: 1064 Column: 45 - 138
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/gat_eng_thumb.png"/> ..." Line: 1094 Column: 45 - 139
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/gat_link_thumb.png"/> ..." Line: 1124 Column: 45 - 135
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/MH_cover_s.png"/> ..." Line: 1154 Column: 45 - 143
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/Cover_Grammar_Feb0.png"/> ..." Line: 1184 Column: 45 - 147
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/ONETmainok_cover_small.png"/> ..." Line: 1214 Column: 45 - 147
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/PAT1fighto_cover_small.png"/> ..." Line: 1244 Column: 45 - 134
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/MHcover_s.png"/> ..." Line: 1274 Column: 45 - 137
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/PicciGAT60_s.png"/> ..." Line: 1304 Column: 45 - 150
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/Compressed_Course_COVER_S.png"/> ..." Line: 1334 Column: 45 - 160
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/Chinese_Hack_Course_Basic_1_สยหลน_s.png"/> ..." Line: 1364 Column: 45 - 145
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/ENGFIT_coursecover_s.png"/> ..." Line: 1394 Column: 45 - 139
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/Course_Cover_s.png"/> ..." Line: 1424 Column: 45 - 145
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/Pinyin_xulin_cover_s.png"/> ..." Line: 1454 Column: 45 - 138
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/VOCABzabver_s.png"/> ..." Line: 1484 Column: 45 - 148
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/New_Cover_course_HSK3_2.png"/> ..." Line: 1514 Column: 45 - 135
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/TOEIC_cc_2.png"/> ..." Line: 1544 Column: 45 - 161
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/POM_Korpore_MATH_cover_course450x254.png"/> ..." Line: 1574 Column: 45 - 147
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/Cover_course_ZaiZai2_1.png"/> ..." Line: 1604 Column: 45 - 151
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/POM_Korpore_Course_Cover_2.png"/> ..." Line: 1634 Column: 45 - 140
"... <img src="https://opendurian.s3.amazonaws.com/media/covers/courses/thumbs/English_KP_CC_s.png"/> ..."

Bad value “https://opendurian.s3.amazonaws.com/media/covers/exset/9 Ordi Dec 58.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 1881 Column: 33 - 57
"... <img class="card-cover" src="https://opendurian.s3.amazonaws.com/media/covers/exset/9 Ordi Dec 58.png" data-width="400" data-height="500" alt="อ่านแบบฝึกหัด"/> ..."

Bad value “https://opendurian.s3.amazonaws.com/media/covers/exset/ภาษาจีน Level A.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 2556 Column: 33 - 57
"... <img class="card-cover" src="https://opendurian.s3.amazonaws.com/media/covers/exset/ภาษาจีน Level A.png" data-width="450" data-height="506" alt="อ่านแบบฝึกหัด"/> ..."

Bad value “https://opendurian.s3.amazonaws.com/media/covers/exset/HSK Banner web2.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 2600 Column: 33 - 57
"... <img class="card-cover" src="https://opendurian.s3.amazonaws.com/media/covers/exset/HSK Banner web2.png" data-width="450" data-height="506" alt="อ่านแบบฝึกหัด"/> ..."

Element “nobr” not allowed as child of element “h5” in this context. (Suppressing further errors from this subtree.)

Line: 2714 Column: 24 - 29
"...ัครง่ายๆ <nobr>ด้วยปุ..."

Warnings

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

Line: 695 Column: 4 - 72
"...AR --> <nav class="navbar navbar-default navbar-masthead" role="navigation"> <..."

The “form” role is unnecessary for element “form”.

Line: 2687 Column: 11 - 77
"... <form class="" method="POST" action="/accounts/login/" role="form"> ..." Line: 2717 Column: 11 - 103
"... <form class="card-pad" id="signup_form" method="POST" action="/accounts/signup/" role="form"> ..."

This document appears to be written in Thai but the “html” start tag has “lang="en"”. Consider using “lang="th"” (or variant) instead.

Line: 3 Column: - 16
"...TYPE html> <html lang="en"> <hea..."

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opendurian.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.

opendurian.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.