osa-opn.org - Optics & Photonics News

Quick Summary

Online Status

UNKNOWN

Over the time osa-opn.org has been ranked as high as 42,288 in the world.

Osa-opn.org receives about 351 unique visitors and 702 pageviews per day. The estimated value of osa-opn.org is 5,840 USD. Each unique visitor makes about 2 pageviews on average.

Osa-opn.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

At the time of the last check (May 04, 2024) osa-opn.org has an invalid SSL certificate.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust osa-opn.org is quite a safe domain.

Mobile-Friendly test indicates that osa-opn.org is well optimized for mobile and tablet devices, however website page loading time could be improved.

Osa-opn.org General Information

Global Rank

963,762

Average Load Time

0.00sec

Links In Count

306

Website Value

$5,840

How popular is osa-opn.org?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	903788	387578	43	-55%
30	1494926	625549	3	-50.222%
7	1066267	0	4	0%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1203235	263149	2	-36.79%	2	40%
30	1504552	595626	1	-52.034%	2	-3.37%
7	839938	0	3	0%	3	0%

Period	Global Rank	Global Rank Delta
past 3 months	963762	344442
past month	1454591	623713
past week	990107	0

Osa-opn.org Alexa Rank History

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

Osa-opn.org Safety Information

Overview

Last Updated: 05/04/2024

Overall result - "osa-opn.org" 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: 03/29/2024

osa-opn.org is safe.

Norton ConnectSafe evaluates osa-opn.org for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 12/01/2016

osa-opn.org 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

Malware not found at "osa-opn.org".
"osa-opn.org" is not a phishing page.
"osa-opn.org" does not install unwanted software.
"osa-opn.org" does not contain harmfull applications.
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: 02/27/2021

osa-opn.org is safe.

McAfee assesses osa-opn.org 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 osa-opn.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

osa-opn.org child safety isvery good.

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

SSL Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
WARNING!	Osa-opn.org is not secured by SSL certificate.

Osa-opn.org Server Information

Server Location

Geolocation Tool

Washington

District of Columbia

United States

ASN Information

ASN Lookup Tool

ASN ID: 701
ASN Title: UUNET - MCI Communications Services, Inc. d/b/a Verizon Business, US

Last Update: 02/29/2024

ASN Whois

#
# 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: 701 - 705
ASName: UUNET
ASHandle: AS701
RegDate: 1990-08-02
Updated: 2012-03-20
Ref: https://rdap.arin.net/registry/autnum/701

OrgName: MCI Communications Services, Inc. d/b/a Verizon Business
OrgId: MCICS
Address: 22001 Loudoun County Pkwy
City: Ashburn
StateProv: VA
PostalCode: 20147
Country: US
RegDate: 2006-05-30
Updated: 2018-01-17
Ref: https://rdap.arin.net/registry/entity/MCICS

OrgAbuseHandle: ABUSE3-ARIN
OrgAbuseName: abuse
OrgAbusePhone: +1-800-900-0241
OrgAbuseEmail: abuse-mail@verizonbusiness.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3-ARIN

OrgTechHandle: SWIPP-ARIN
OrgTechName: swipper
OrgTechPhone: +1-800-900-0241
OrgTechEmail: swipper@verizonbusiness.com
OrgTechRef: https://rdap.arin.net/registry/entity/SWIPP-ARIN

OrgTechHandle: SWIPP9-ARIN
OrgTechName: SWIPPER
OrgTechPhone: +1-800-900-0241
OrgTechEmail: swipper@verizon.com
OrgTechRef: https://rdap.arin.net/registry/entity/SWIPP9-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.
#

Osa-opn.org Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: OSA-OPN.ORG
Registry Domain ID: D85567324-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2020-12-08T16:35:35Z
Creation Date: 2002-04-13T18:40:42Z
Registry Expiry Date: 2023-04-13T18:40:42Z
Registrar Registration Expiration Date:
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization: Optical Society of America
Registrant State/Province: DC
Registrant Country: US
Name Server: YOGI.OSA.ORG
Name Server: YOGI2.OSA.ORG
Name Server: NS1.OSA.ORG
Name Server: NS2.OSA.ORG
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-02-18T19:09:22Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
osa-opn.org	65.202.222.221	14400

Host	MX Record	Priority	TTL

Host	NS Record	TTL
osa-opn.org	yogi2.osa.org	14400
osa-opn.org	yogi.osa.org	14400

Host	TXT Record	TTL

yogi.osa.org
TTL: 14400
Email address: administrator.osa.org
Serial: 61
Refresh: 900
Retry: 600
Expire: 86400
Minimum: 3600

Osa-opn.org HTML Validation

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Bad value “pragma” for attribute “http-equiv” on element “meta”.

Bad value “content-style-type” for attribute “http-equiv” on element “meta”.

Bad value “content-script-type” for attribute “http-equiv” on element “meta”.

Bad value “https://fonts.googleapis.com/css?family=Open+Sans:400,500,600,600italic|Noto+Sans:400,700,400italic,700italic|Noto+Serif:400,400italic,700,700italic&subset=latin,greek-ext” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/images/siteima…logo-white.svg?width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/images/siteima…sa-logo-sm.png?width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/images/siteima…logo-black.svg?width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Attribute “alt” not allowed on element “span” at this point.

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

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/Images/Homepag…n.jpg?ext=.jpg&width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/Images/Career/…2.jpg?ext=.jpg&width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/Images/Homepag…8.jpg?ext=.jpg&width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/Images/Homepag…t.jpg?ext=.jpg&width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/Images/siteima…laceholder.jpg?width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/Images/Career/…n.jpg?ext=.jpg&width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

End tag “p” implied, but there were open elements.

Unclosed element “small”.

No “small” element in scope but a “small” end tag seen.

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/Images/siteima…o-white-sm.png?width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Bad value for attribute “srcset” on element “img”: No width specified for image “/opn/media/Images/siteima…o-white-xs.png?width=1200”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)

Warnings

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Osa-opn.org Desktop Insights

Desktop Page Insights Tool

Last tested: 10/21/2015

Desktop

Desktop Speed

54%

Optimize images

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

Leverage browser caching

Reduce server response time

Avoid landing page redirects

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	114
Number of Hosts	16
Static Resources	71
JavaScript Resources	19
CSS Resources	8

Osa-opn.org Mobile Insights

Mobile Page Insights Tool

Last tested: 08/17/2019

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

43%

Optimize images

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

Enable compression

Avoid landing page redirects

Leverage browser caching

Reduce server response time

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	106
Number of Hosts	19
Static Resources	48
JavaScript Resources	19
CSS Resources	8

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Osa-opn.org Optics & Photonics News - Home

Quick Summary

Osa-opn.org General Information

Osa-opn.org Alexa Rank History

Osa-opn.org Safety Information

Osa-opn.org Server Information

Osa-opn.org Domain Name Information

Osa-opn.org HTML Validation

Osa-opn.org Desktop Insights

Osa-opn.org Mobile Insights

Osa-opn.org Nearest Competitors

Osa-opn.org Typos