Nptel.ac.in Nptel, online courses and certification, Learn for free

NPTEL provides E-learning through online Web and Video courses various streams.

Nptel.ac.in Overview

Nptel.ac.in ranking shows that the page is at position 2,092 over the world, while the bulk of its audience is from India, where it ranks 104.

It is beneficial to nptel.ac.in that their hosting company GOOGLE - Google LLC, US servers are located in India, as that reduces page load time for the majority of their users. See the list of other webpages hosted on GOOGLE - Google LLC, US servers.

In terms of rank-to-traffic ratio, nptel.ac.in has 70,502 unique users per day, viewing 341,594 pages. The rank based value of nptel.ac.in is 4,531,520 USD. Every user makes 5.24 pageviews on average.

Nptel.ac.in top-level domain belongs to .IN domain zone. Check other webpages in .IN zone.

According the last verification test in November 27, 2019, nptel.ac.in has an expired SSL certificate issued by GoDaddy.com, Inc. (expired on October 03, 2020). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by GoDaddy.com, Inc..

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust nptel.ac.in is a fairly safe domain.

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

Nptel.ac.in Rank Summary

Global Rank

2,092

Average Load Time

3.96sec

Links In Count

2,088

Website Value

$4.2 M

Audience Geography. Where are nptel.ac.in visitors located?

Country	Visitors
India IN	89.1%
United States US	1.5%
China CN	1.1%
Nigeria NG	0.6%
Japan JP	0.6%
South Africa ZA	0.5%
Other	6.5%

Country	Pageviews
India IN	94%
United States US	0.9%
China CN	0.9%
Nigeria NG	0.2%
South Africa ZA	0.2%
Japan JP	0.2%
Other	3.7%

Country	Rank
India IN	104
Nigeria NG	1853
South Africa ZA	2419
China CN	14131
United States US	18254
Japan JP	21383

Where do visitors go on nptel.ac.in?

Subdomain	Pageviews
onlinecourses.nptel.ac.in	58.78%
nptel.ac.in	40.34%
textofvideo.nptel.ac.in	0.87%
other	0.02%

Subdomain	Pageviews per User
onlinecourses.nptel.ac.in	4.48
nptel.ac.in	3.58
textofvideo.nptel.ac.in	3

Subdomain	Reach
onlinecourses.nptel.ac.in	63.12%
nptel.ac.in	54.29%
textofvideo.nptel.ac.in	1.37%

How popular is nptel.ac.in?

Period	Global Rank	Global Rank Delta
past 3 months	2092	59
past month	1457	-910
past week	1415	-170
yesterday	1237	133

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1727	-329	4064	9.92%	4.85	25.6%
30	1252	-673	5591	50.2%	4.81	-3.61%
7	1231	-192	568	15%	4.75	6%
1	1130	125	616	-7.207%	4.63	2%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	2497	270	311	-12.5%
30	1772	-1070	428	55.8%
7	1708	-168	438	8.7%
1	1440	135	504	-9.471%

Nptel.ac.in Website Safety

Overview

Last Updated: 08/14/2022

Overall result - nptel.ac.in 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: 03/19/2022

nptel.ac.in is safe.

Norton ConnectSafe evaluates nptel.ac.in for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/06/2019

nptel.ac.in 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

nptel.ac.in 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: 02/22/2021

nptel.ac.in is safe.

McAfee assesses nptel.ac.in 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 nptel.ac.in for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

nptel.ac.in child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	nptel.ac.in
Issuer Organization	GoDaddy.com, Inc.
Issuer	Go Daddy Secure Certificate Authority - G2
Algorithm	RSA-SHA256
Valid form	09/06/2018
Expiration	10/03/2020
Signed	Certificate is not self signed
Additional Domains	nptel.ac.in www.nptel.ac.in

Nptel.ac.in Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 15169
ASN Title: GOOGLE - Google LLC, US

Last Update: 04/21/2022

#
# 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: 15169
ASName: GOOGLE
ASHandle: AS15169
RegDate: 2000-03-30
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/15169

OrgName: Google LLC
OrgId: GOGL
Address: 1600 Amphitheatre Parkway
City: Mountain View
StateProv: CA
PostalCode: 94043
Country: US
RegDate: 2000-03-30
Updated: 2017-12-21
Ref: https://rdap.arin.net/registry/entity/GOGL

OrgAbuseHandle: ABUSE5250-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-253-0000
OrgAbuseEmail: network-abuse@google.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5250-ARIN

OrgTechHandle: ZG39-ARIN
OrgTechName: Google LLC
OrgTechPhone: +1-650-253-0000
OrgTechEmail: arin-contact@google.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN

RTechHandle: ZG39-ARIN
RTechName: Google LLC
RTechPhone: +1-650-253-0000
RTechEmail: arin-contact@google.com
RTechRef: https://rdap.arin.net/registry/entity/ZG39-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.
#

Nptel.ac.in Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

DNS Records

DNS Lookup Tool

Host	A Record	TTL
nptel.ac.in	14.139.160.71	7200

Host	MX Record	Priority	TTL
nptel.ac.in	ALT2.ASPMX.L.GOOGLE.COM	20	7200
nptel.ac.in	ASPMX2.GOOGLEMAIL.COM	30	7200
nptel.ac.in	ASPMX3.GOOGLEMAIL.COM	30	7200
nptel.ac.in	ASPMX.L.GOOGLE.COM	10	7200
nptel.ac.in	ALT1.ASPMX.L.GOOGLE.COM	20	7200

Host	NS Record	TTL
nptel.ac.in	dns1.iitm.ac.in	7200
nptel.ac.in	dns2.iitm.ac.in	7200
nptel.ac.in	dns3.iitm.ac.in	7200

Host	TXT Record	TTL
nptel.ac.in	google-site-verification=unLePj8VQxt0jp4y44VD-YG85pYeNYxZEAXRPTj4gLc	7200

dns1.iitm.ac.in
TTL: 7200
Email address: support.nptel.ac.in
Serial: 2018051402
Refresh: 3600
Retry: 7200
Expire: 172800
Minimum: 7200

Nptel.ac.in HTML Check

HTML Validation Tool

Errors

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

End tag “nav” seen, but there were open elements.

Unclosed element “div”.

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

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

Bad value “500px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.

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

The element “button” must not appear as a descendant of the “a” element.

Bad value “50px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

The “align” attribute on the “div” element is obsolete. Use CSS instead.

No space between attributes.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

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

Bad value “550px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.

Stray end tag “div”.

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

Bad value “sug_course_level col-md-4” for attribute “for” on element “label”: An ID must not contain whitespace.

The first child “option” element of a “select” element with a “required” attribute, and without a “multiple” attribute, and without a “size” attribute whose value is greater than “1”, must have either an empty “value” attribute, or must have no text content. Consider either adding a placeholder option label, or adding a “size” attribute with a value equal to the number of “option” elements.

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

The “for” attribute of the “label” element must refer to a non-hidden form control.

The “aria-labelledby” attribute must point to an element in the same document.

Warnings

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

Attribute “_blank"” is not serializable as XML 1.0.

Nptel.ac.in Desktop Performance

Last tested: 12/05/2019

Desktop Speed

41%

Optimize images

Leverage browser caching

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

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	53
Number of Hosts	8
Static Resources	35
JavaScript Resources	7
CSS Resources	7

Nptel.ac.in Mobile Insights

Last tested: 02/08/2018

Mobile Usability

76%

Size content to viewport

Size tap targets appropriately

Mobile Speed

37%

Optimize images

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

Leverage browser caching

Minify JavaScript

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	65
Number of Hosts	12
Static Resources	50
JavaScript Resources	12
CSS Resources	13

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Nptel.ac.in Nptel, online courses and certification, Learn for free

NPTEL provides E-learning through online Web and Video courses various streams.

Nptel.ac.in Overview

Nptel.ac.in Rank Summary

Nptel.ac.in Website Safety

Nptel.ac.in Hosting Information

Nptel.ac.in Domain Registration and Settings

Nptel.ac.in HTML Check

Nptel.ac.in Desktop Performance

Nptel.ac.in Mobile Insights

Nptel.ac.in Similar Audits

Nptel.ac.in Common Typos