studzona.com - СтудЗона - студенческий портал нового формата

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.49 sec.
Last Checked: 10/23/2023

Over the time studzona.com has been ranked as high as 41,390 in the world.

Studzona.com receives about 2,478 unique visitors and 4,956 pageviews per day. The estimated value of studzona.com is 3,600 USD. Each unique visitor makes about 2 pageviews on average.

Studzona.com is registered under .COM top-level domain. Check other websites in .COM zone.

At the time of the last check (November 09, 2019) studzona.com has an expired SSL certificate issued by Let's Encrypt (expired on December 21, 2019). Check other websites using SSL certificates issued by Let's Encrypt.

According to Web of Trust studzona.com is a suspicious domain.

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

Studzona.com General Information

Global Rank

Average Load Time

0.00sec

Links In Count

Website Value

$3,600

Studzona.com Alexa Rank History

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

Studzona.com Safety Information

Overview

Last Updated: 04/28/2024

Overall result - "studzona.com" 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: 03/28/2024

studzona.com is safe.

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

Google Safe Search

Last Updated: 11/30/2016

studzona.com 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 "studzona.com".
"studzona.com" is not a phishing page.
"studzona.com" does not install unwanted software.
"studzona.com" 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

studzona.com is safe.

McAfee assesses studzona.com 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 studzona.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

studzona.com child safety isuncertain.

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

SSL Information

SSL Checker Tool

Domain	studzona.com
Issuer Organization	Let's Encrypt
Issuer	Let's Encrypt Authority X3
Algorithm	RSA-SHA256
Valid form	09/22/2019
Expiration	12/21/2019
Signed	Certificate is not self signed
Additional Domains	studzona.com www.studzona.com

Studzona.com Server Information

Server Location

Geolocation Tool

Phoenix

Arizona

United States

ASN Information

ASN Lookup Tool

ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 01/09/2024

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: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#

Studzona.com Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: STUDZONA.COM
Registry Domain ID: 134097173_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.PublicDomainRegistry.com
Registrar URL: http://www.publicdomainregistry.com
Updated Date: 2021-10-21T07:57:21Z
Creation Date: 2004-11-01T15:38:09Z
Registry Expiry Date: 2022-11-01T14:38:09Z
Registrar: PDR Ltd. d/b/a PublicDomainRegistry.com
Registrar IANA ID: 303
Registrar Abuse Contact Email: abuse-contact@publicdomainregistry.com
Registrar Abuse Contact Phone: +1.2013775952
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: ROSE.NS.CLOUDFLARE.COM
Name Server: YICHUN.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-12-09T07:09:21Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
studzona.com	104.21.45.227	300
studzona.com	172.67.219.174	300

Host	MX Record	Priority	TTL
studzona.com	mx.yandex.net	10	300

Host	NS Record	TTL
studzona.com	rose.ns.cloudflare.com	86400
studzona.com	yichun.ns.cloudflare.com	86400

Host	TXT Record	TTL
studzona.com	google-site-verification=7VY3RXtHzGZcLZ2EDL1-X23gEL-J53jfSi4xlo1PLWs	300
studzona.com	v=spf1 redirect=_spf.yandex.net include:8306454b.ppspf.net ~all	300

rose.ns.cloudflare.com
TTL: 3600
Email address: dns.cloudflare.com
Serial: 2303811321
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 3600

Studzona.com HTML Validation

HTML Validation Tool

Errors

Malformed byte sequence: “d1”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “ff”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “b9”.

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

Internal encoding declaration “windows-1251” disagrees with the actual encoding of the document (“utf-8”).

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

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

Malformed byte sequence: “d0”.

Malformed byte sequence: “cf”.

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

Stray end tag “td”.

Stray end tag “tr”.

Stray start tag “tr”.

Stray start tag “td”.

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

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

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

The “height” attribute on the “td” element is obsolete. Use CSS instead.

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

The “vspace” attribute on the “img” element is obsolete. Use CSS instead.

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

Malformed byte sequence: “c2”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “cd”.

Table cell spans past the end of its row group established by a “tbody” element; clipped to the end of the row group.

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

Attribute “background” not allowed on element “td” at this point.

Malformed byte sequence: “fe”.

Malformed byte sequence: “f9”.

“td” start tag in table body.

Attribute “mcvalign” not allowed on element “td” at this point.

Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Stray end tag “big”.

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

Unclosed element “span”.

Warnings

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

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Element name “n�index” cannot be represented as XML 1.0.

A table row was 1 columns wide, which is less than the column count established by the first row (2).

NON-DOCUMENT-ERROR

Too many messages.

Studzona.com Desktop Insights

Desktop Page Insights Tool

Last tested: 10/14/2015

Desktop

Desktop Speed

64%

Leverage browser caching

Enable compression

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

Optimize images

Minify HTML

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	173
Number of Hosts	42
Static Resources	95
JavaScript Resources	26
CSS Resources	1

Studzona.com Mobile Insights

Mobile Page Insights Tool

Last tested: 10/14/2015

Mobile

Mobile Usability

71%

Size content to viewport

Size tap targets appropriately

Mobile Speed

54%

Leverage browser caching

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

Enable compression

Optimize images

Minify HTML

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	182
Number of Hosts	45
Static Resources	98
JavaScript Resources	31
CSS Resources	1

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Studzona.com СтудЗона - студенческий портал нового формата

На СтудЗоне Вы найдете рейтинг ВУЗов, преподавателей, полезные статьи от студентов и общение на форуме и в личных сообщениях. Мы с 2001 года помогаем ...

Quick Summary

Studzona.com General Information

Studzona.com Alexa Rank History

Studzona.com Safety Information

Studzona.com Server Information

Studzona.com Domain Name Information

Studzona.com HTML Validation

Studzona.com Desktop Insights

Studzona.com Mobile Insights

Studzona.com Nearest Competitors

Studzona.com Typos