On.br Página Inicial — Observatório Nacional

On.br Overview

The website on.br is a popular online destination for users looking for information related to weather, accurate time, astronomy, and geophysics. With its title "Tempo, Hora Certa, Astronomia, Geofísica - Observatório Nacional," the website indicates a focus on providing data and resources related to these topics.

On average, the website attracts 564 unique users per day and generates 2312.4 pageviews. This level of traffic signifies that the site is relatively popular and frequently visited by individuals seeking information in the aforementioned areas. Additionally, the site is estimated to have a value of 39420 US dollars, further indicating its significance and potential influence in its niche.

The website is hosted by the Fundação Carlos Chagas Filho de Amparo a Pesquisa in Brazil (BR hosting). This suggests that the website operates under the auspices of a reputable research organization dedicated to promoting scientific advancement and public engagement in Brazil.

With a top-level domain of .BR, the website is specifically targeted towards a Brazilian audience. This implies that the content and resources provided on the site are likely to be relevant and tailored to the needs and interests of Brazilian users.

As for its family-friendliness, without further information, it is challenging to definitively categorize the site as "family-friendly." However, given that it primarily provides information related to weather, time, astronomy, and geophysics, it is reasonable to assume that the content is in general suitable for a wide range of audiences, including families.

PageSpeed Insights scores indicate that the website has a speed score of 44, which suggests that there may be room for improvement in terms of optimizing the site's performance and loading times.

The website has 982 external backlinks, indicating that there are numerous other websites that link to and reference on.br. This can be seen as a positive indication of the site's credibility and authority in its subject matter.

Furthermore, on.br enjoys 849 referring domains. These domains represent other websites that send traffic to on.br through direct links. The presence of a significant number of referring domains signifies that the website is well-regarded and trusted by other relevant websites and online sources.

Overall, on.br offers a comprehensive range of information and resources related to weather, time, astronomy, and geophysics. With its significant user base and value, the site demonstrates its importance and relevance in its field. It is hosted by a reputable organization and demonstrates credibility through the presence of external

On.br Rank Summary

Global Rank

282,967

Average Load Time

0.33sec

Links In Count

916

Website Value

$39,459

Audience Geography. Where are on.br visitors located?

Country	Visitors
Brazil BR	86.2%
United States US	9.7%
Other	4.2%

Country	Pageviews
Brazil BR	93.2%
United States US	5.3%
Other	1.5%

Country	Rank
Brazil BR	9913
United States US	405783

Where do visitors go on on.br?

Subdomain	Pageviews
astroeducadores.on.br	27.4%
on.br	24.48%
pcdsh01.on.br	23.08%
staff.on.br	5.41%
other	19.68%

Subdomain	Pageviews per User
astroeducadores.on.br	10
on.br	3.2
staff.on.br	2
pcdsh01.on.br	1.2

Subdomain	Reach
pcdsh01.on.br	55.81%
on.br	21.3%
staff.on.br	9.67%
astroeducadores.on.br	7.96%

How popular is on.br?

Period	Global Rank	Global Rank Delta
past 3 months	282967	-453462
past month	259104	-46092
past week	504884	182788
yesterday	918192	634087

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	240919	-729904	18	550%	4.1	150%
30	275799	80009	15	-33.12%	2.8	-58.824%
7	560117	67415	6	-15.19%	2	70%
1	1073613	857495	2	-90.983%	1	-80.952%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	323078	-355466	16	160%
30	272617	-114805	2	60%
7	528177	244012	1	-50.062%
1	813892	445971	8	-52.691%

On.br Website Safety

Overview

Last Updated: 11/22/2024

Unknown status.

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: 03/29/2024

on.br is safe.

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

Google Safe Search

Last Updated: 11/22/2024

Unknown status.

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

on.br 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: 02/28/2021

on.br is safe.

McAfee assesses on.br 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 on.br for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

on.br child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	web2.on.br
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	RSA-SHA256
Valid form	05/20/2021
Expiration	05/18/2031
Signed	Certificate is self signed
Additional Domains	web2.on.br

On.br Rank History

Alexa Rank shows how popular on.br is in comparison with other sites. The most popular site has Alexa Rank equals 1. If on.br 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 on.br and pageviews on on.br over the past 3 months.

On.br Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 2715

ASN Title: Funda\195\167\195\163o Carlos Chagas Filho de Amparo a Pesquisa, BR

Last Update: 07/20/2024

% Joint Whois - whois.lacnic.net
% This server accepts single ASN, IPv4 or IPv6 queries

% Brazilian resource: whois.registro.br

% Copyright (c) Nic.br
% The use of the data below is only permitted as described in
% full by the terms of use at https://registro.br/termo/en.html ,
% being prohibited its distribution, commercialization or
% reproduction, in particular, to use it for advertising or
% any similar purpose.
% 2018-07-25T13:45:31-03:00

aut-num: AS2715
owner: Fundação Carlos Chagas Filho de Amparo a Pesquisa
responsible: Luis Felipe M. de Moraes
owner-c: LFM9
routing-c: MAM214
abuse-c: MAM214
created: 20000216
changed: 20130306
inetnum: 200.156.0.0/16
inetnum: 200.20.0.0/16
inetnum: 200.6.41.0/24
inetnum: 2804:1f10::/32

nic-hdl-br: LFM9
person: Luis Felipe M. de Moraes
created: 19980309
changed: 20160708

nic-hdl-br: MAM214
person: Marita Maestrelli
created: 19980904
changed: 20150219

% Security and mail abuse issues should also be addressed to
% cert.br, http://www.cert.br/ , respectivelly to cert@cert.br
% and mail-abuse@cert.br
%
% whois.registro.br accepts only direct match queries. Types
% of queries are: domain (.br), registrant (tax ID), ticket,
% provider, contact handle (ID), CIDR block, IP and ASN.

On.br Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

% Copyright (c) Nic.br
% The use of the data below is only permitted as described in
% full by the Use and Privacy Policy at https://registro.br/upp ,
% being prohibited its distribution, commercialization or
% reproduction, in particular, to use it for advertising or
% any similar purpose.
% 2024-09-24T08:50:27-03:00 - IP: 167.99.102.248

% Permission denied. For more information, contact abuse@registro.br

% Security and mail abuse issues should also be addressed to
% cert.br, http://www.cert.br/ , respectivelly to cert@cert.br
% and mail-abuse@cert.br
%
% whois.registro.br accepts only direct match queries. Types
% of queries are: domain (.br), registrant (tax ID), ticket,
% provider, CIDR block, IP and ASN.

DNS Records

DNS Lookup Tool

Host	A Record	TTL
;;	no	connection

Host	MX Record	Priority	TTL
;;	servers	no	connection

Host	NS Record	TTL
;;	no	connection

Host	TXT Record	TTL
;;		connection

no
TTL: connection
Email address: servers
Serial: could
Refresh: be
Retry: reached
Expire:
Minimum:

On.br HTML Check

HTML Validation Tool

Errors

Duplicate ID “barra-brasil”.

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

Attribute “align” not allowed on element “li” at this point.

End tag for “body” seen, but there were unclosed elements.

Unclosed element “div”.

Unclosed element “section”.

Unclosed element “main”.

Stray end tag “div”.

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

Attribute “charset” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.

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.

Attribute “http-equiv” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.

Attribute “name” not allowed on element “meta” at this point.

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

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

Stray end tag “strong”.

Duplicate ID “myModalLabel”.

Bad character “~” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.

End tag for “html” seen, but there were unclosed elements.

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

Bad value “300px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

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

Warnings

The first occurrence of ID “barra-brasil” was here.

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

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

The first occurrence of ID “myModalLabel” was here.

Empty heading.

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).

On.br Desktop Performance

Last tested: 05/28/2017

Desktop Speed

51%

Optimize images

Leverage browser caching

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

Prioritize visible content

Reduce server response time

Minify CSS

Minify JavaScript

Minify HTML

Desktop Resource Breakdown

Total Resources	94
Number of Hosts	17
Static Resources	77
JavaScript Resources	28
CSS Resources	16

On.br Mobile Insights