Diff.vn DIFF2018 - Cuộc thi Trình diễn pháo hoa quốc tế Đà Nẵng

Diff.vn Overview

Diff.vn ranking shows that the page is at position 1,355,544 over the world, while the bulk of its audience is from Viet Nam, where it ranks 11,237.

In terms of rank-to-traffic ratio, diff.vn has 316 unique users per day, viewing 542 pages. The rank based value of diff.vn is 6,314 USD. Every user makes 1.82 pageviews on average.

Diff.vn boasts a link base consisting of 290 referring domains and 353 external backlinks, as revealed by the data obtained from web network scanning.

Diff.vn top-level domain belongs to .VN domain zone. Check other webpages in .VN zone.

According the last verification test in May 19, 2021, diff.vn has an expired wildcard SSL certificate issued by DigiCert Inc (expired on July 26, 2022). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by DigiCert Inc.

Based on data from Google Safe Browsing, Google Safe Search and Symantec diff.vn is a fairly safe domain.

According the Mobile-Friendly test by Google diff.vn is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Diff.vn Rank Summary

Global Rank

1,355,544

Average Load Time

1.59sec

Links In Count

Website Value

$5,846

Audience Geography. Where are diff.vn visitors located?

Country	Visitors
Viet Nam VN	94.6%
Other	5.4%

Country	Pageviews
Viet Nam VN	96%
Other	4%

Country	Rank
Viet Nam VN	11237

Where do visitors go on diff.vn?

Subdomain	Pageviews
diff.vn	100%

Subdomain	Pageviews per User
diff.vn	1.4

Subdomain	Reach
diff.vn	100%

How popular is diff.vn?

Period	Global Rank	Global Rank Delta
past 3 months	1355544	-2815742
past month	1062933	-433211
past week	1369053	402353
yesterday	1347085	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1654155	-1784881	1	200%	1.7	-50.289%
30	1426515	-16873	2	3%	1.4	-48.872%
7	1767976	641431	1	-52.066%	1	-30.9%
1	1299103	0	1	0%	2	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1294024	-3491559	28	500%
30	949920	-661486	44	100%
7	1212809	274026	3	-30.39%
1	1366028	0	3	0%

Diff.vn Website Safety

Overview

Last Updated: 09/10/2025

Overall result - diff.vn is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 02/08/2025

diff.vn is safe.

Norton ConnectSafe evaluates diff.vn for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 08/11/2017

diff.vn is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

diff.vn is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 03/09/2021

diff.vn is safe.

McAfee assesses diff.vn for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze diff.vn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 09/10/2025

diff.vn child safety is unknown.

The WOT calculates reputation of the diff.vn. This reputation system receives ratings from users and information from third-party sources, assesses the diff.vn for safety features and confirms, whether diff.vn is suitable for children.

SSL Information

SSL Checker Tool

Domain	*.sunworld.vn
Issuer Organization	DigiCert Inc
Issuer	RapidSSL RSA CA 2018
Algorithm	RSA-SHA256
Valid form	05/27/2020
Expiration	07/26/2022
Signed	Certificate is not self signed
Additional Domains	*.sunworld.vn sunworld.vn

Diff.vn Rank History

Alexa Rank shows how popular diff.vn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If diff.vn has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to diff.vn and pageviews on diff.vn over the past 3 months.

Diff.vn Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 8075

ASN Title: MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US

Last Update: 01/08/2025

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 8068 - 8075
ASName: MICROSOFT-CORP-MSN-AS-BLOCK
ASHandle: AS8068
RegDate: 1997-03-31
Updated: 2013-09-04
Ref: https://rdap.arin.net/registry/autnum/8068

OrgName: Microsoft Corporation
OrgId: MSFT
Address: One Microsoft Way
City: Redmond
StateProv: WA
PostalCode: 98052
Country: US
RegDate: 1998-07-09
Updated: 2017-01-28
Comment: To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment: * https://cert.microsoft.com.
Comment:
Comment: For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment: * abuse@microsoft.com.
Comment:
Comment: To report security vulnerabilities in Microsoft products and services, please contact:
Comment: * secure@microsoft.com.
Comment:
Comment: For legal and law enforcement-related requests, please contact:
Comment: * msndcc@microsoft.com
Comment:
Comment: For routing, peering or DNS issues, please
Comment: contact:
Comment: * IOC@microsoft.com
Ref: https://rdap.arin.net/registry/entity/MSFT

OrgTechHandle: MRPD-ARIN
OrgTechName: Microsoft Routing, Peering, and DNS
OrgTechPhone: +1-425-882-8080
OrgTechEmail: IOC@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgAbuseHandle: MAC74-ARIN
OrgAbuseName: Microsoft Abuse Contact
OrgAbusePhone: +1-425-882-8080
OrgAbuseEmail: abuse@microsoft.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MAC74-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Diff.vn Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

diff.vn domain is not supported

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Diff.vn HTML Check

HTML Validation Tool

Errors

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:fb” not allowed here.

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!0)” is an incorrect URL.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!1)” is an incorrect URL.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!2)” is an incorrect URL.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!3)” is an incorrect URL.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!5)” is an incorrect URL.

CSS: “background-image”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!6)” is an incorrect URL.

CSS: “background-color”: “40%” is not a “radial-gradient” value.

CSS: “cursor”: “hand” is not a “cursor” value.

CSS: “transition”: “0” is not a “transition” value.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!7)” is an incorrect URL.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!8)” is an incorrect URL.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!9)” is an incorrect URL.

CSS: “background”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!10)” is an incorrect URL.

CSS: “background-image”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!11)” is an incorrect URL.

CSS: “background-image”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!12)” is an incorrect URL.

CSS: “background-image”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!13)” is an incorrect URL.

CSS: “transform-origin-x”: Property “transform-origin-x” doesn't exist.

CSS: “text-transform”: “normal” is not a “text-transform” value.

CSS: only “0” can be a “unit”. You must put a unit after your number

CSS: Parse Error.

CSS: “background-image”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!14)” is an incorrect URL.

CSS: “background-image”: “url(mhtml:http://www.diff.vn/wp-content/cache/autoptimize/1/autoptimize_520ec5e39844f72bf05b8ab2422c8bf9.txt!15)” is an incorrect URL.

Bad value “” for attribute “src” on element “img”: Must be non-empty.

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

The “itemprop” attribute was specified, but the element is not a property of any item.

Warnings

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

The “type” attribute is unnecessary for JavaScript resources.

The “type” attribute for the “style” element is not needed and should be omitted.

Empty heading.

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

Diff.vn Desktop Performance

Last tested: 01/10/2018

Desktop Speed

Optimize images

Enable compression

Reduce server response time

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

Leverage browser caching

Minify HTML

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	137
Number of Hosts	19
Static Resources	108
JavaScript Resources	30
CSS Resources	16

Diff.vn Mobile Insights

Last tested: 01/29/2018

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

14%

Optimize images

Enable compression

Reduce server response time

Leverage browser caching

Mobile Resource Breakdown

Total Resources	93
Number of Hosts	17
Static Resources	79
JavaScript Resources	18
CSS Resources	4

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Diff.vn DIFF2018 - Cuộc thi Trình diễn pháo hoa quốc tế Đà Nẵng

Diff.vn Overview

Diff.vn Rank Summary

Diff.vn Website Safety

Diff.vn Rank History

Diff.vn Hosting Information

Diff.vn Domain Registration and Settings

Diff.vn HTML Check

Diff.vn Desktop Performance

Diff.vn Mobile Insights

Diff.vn Similar Audits

Diff.vn Common Typos