Db-book.com Database System Concepts - 7th edition

Db-book.com Overview

Db-book.com ranking shows that the page is at position 358,846 over the world, while the bulk of its audience is from India, where it ranks 110,922.

Db-book.com hosted on YALE-AS - Yale University, US servers in United States. To reduce page loading time for the majority of db-book.com users, we recommend migrating the server to India, as it will speed up db-book.com page load time for the majority of users. See the list of other webpages hosted on YALE-AS - Yale University, US servers.

In terms of rank-to-traffic ratio, db-book.com has 1,129 unique users per day, viewing 2,052 pages. The rank based value of db-book.com is 35,478 USD. Every user makes 1.95 pageviews on average.

Db-book.com boasts a link base consisting of 224 referring domains and 270 external backlinks, as revealed by the data obtained from web network scanning.

Db-book.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in August 14, 2024, db-book.com has a valid and up-to-date SSL certificate issued by Network Solutions L.L.C. , certificate expiration date: January 19, 2025. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Network Solutions L.L.C..

Based on data from Google Safe Browsing, Google Safe Search and Symantec db-book.com is a fairly safe domain.

According the Mobile-Friendly test by Google db-book.com is nice optimized for mobile devices and tablets.

Db-book.com Rank Summary

Global Rank

358,846

Average Load Time

0.00sec

Links In Count

101

Website Value

$32,850

Audience Geography. Where are db-book.com visitors located?

Country	Visitors
India IN	39.4%
United States US	25%
Other	35.8%

Country	Pageviews
India IN	33.5%
United States US	26.5%
Other	40.1%

Country	Rank
India IN	110922
United States US	216180

Where do visitors go on db-book.com?

Subdomain	Pageviews
db-book.com	100%

Subdomain	Pageviews per User
db-book.com	1.5

Subdomain	Reach
db-book.com	100%

How popular is db-book.com?

Period	Global Rank	Global Rank Delta
past 3 months	358846	114157
past month	355011	-79113
past week	309458	-2283

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	485172	258609	8	-65.653%	1.8	-53.947%
30	514247	-23824	7	10%	1.5	-23.44%
7	408510	-34061	1	10%	2	20%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	329366	57162	16	-25.22%
30	310859	-106802	17	50%
7	297267	21211	2	-6.501%

Db-book.com Website Safety

Overview

Last Updated: 12/25/2024

Overall result - db-book.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: 02/20/2024

db-book.com is safe.

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

Google Safe Search

Last Updated: 05/08/2017

db-book.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

db-book.com 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: 02/17/2021

db-book.com is safe.

McAfee assesses db-book.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 db-book.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 12/25/2024

db-book.com child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	www.db-book.com
Issuer Organization	Network Solutions L.L.C.
Issuer	Network Solutions RSA DV SSL CA 3
Algorithm	RSA-SHA384
Valid form	12/20/2023
Expiration	01/19/2025
Signed	Certificate is not self signed
Additional Domains	www.db-book.com db-book.com

Db-book.com Rank History

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

Db-book.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 29

ASN Title: YALE-AS - Yale University, US

Last Update: 12/25/2024

#
# 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: 29
ASName: YALE-AS
ASHandle: AS29
RegDate: 1984-09-17
Updated: 1991-01-10
Ref: https://rdap.arin.net/registry/autnum/29

OrgName: Yale University
OrgId: YALEUN
Address: Yale Information Technology Services
Address: 150 Munson Street
City: New Haven
StateProv: CT
PostalCode: 06511
Country: US
RegDate: 1983-08-15
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/YALEUN

OrgTechHandle: NOT35-ARIN
OrgTechName: Network Operations Team
OrgTechPhone: +1-203-432-6651
OrgTechEmail: networkops@yale.edu
OrgTechRef: https://rdap.arin.net/registry/entity/NOT35-ARIN

OrgAbuseHandle: IST27-ARIN
OrgAbuseName: Information Security team
OrgAbusePhone: +1-203-436-0519
OrgAbuseEmail: abuse@yale.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/IST27-ARIN

RTechHandle: HML1-ARIN
RTechName: Long, Morrow H.
RTechPhone: +1-203-432-1248
RTechEmail: morrow.long@yale.edu
RTechRef: https://rdap.arin.net/registry/entity/HML1-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.
#

Db-book.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: DB-BOOK.COM
Registry Domain ID: 93869904_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2020-01-03T17:22:12Z
Creation Date: 2003-01-10T20:57:31Z
Registry Expiry Date: 2023-01-10T20:57:31Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS43.WORLDNIC.COM
Name Server: NS44.WORLDNIC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-05-13T19:07:36Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
db-book.com	128.36.233.71	7200

Host	MX Record	Priority	TTL
db-book.com	p.webcom.ctmail.com	10	3600

Host	NS Record	TTL
db-book.com	ns43.worldnic.com	7200
db-book.com	ns44.worldnic.com	7200

Host	TXT Record	TTL
db-book.com	google-site-verification=Ch9ajXkfRTkebFbK_6Mxd_xIzkrMID2_DBv4CP40O2Y	7200

ns43.worldnic.com
TTL: 7200
Email address: namehost.WORLDNIC.com
Serial: 119012908
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Db-book.com HTML Check

HTML Validation Tool

Errors

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

No space between attributes.

Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.

A slash was not immediately followed by “>”.

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

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

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

Attribute “,” not allowed on element “frameset” at this point.

Attribute “*"” not allowed on element “frameset” at this point.

Attribute “border” not allowed on element “frameset” at this point.

Attribute “frameborder” not allowed on element “frameset” at this point.

The “frameset” element is obsolete. Use the “iframe” element and CSS instead, or use server-side includes.

Warnings

Attribute “<” is not serializable as XML 1.0.

Attribute “,” is not serializable as XML 1.0.

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

Db-book.com Desktop Performance

Last tested: 01/24/2016

Desktop Speed

97%

Leverage browser caching

Enable compression

Optimize images

Minify HTML

Desktop Resource Breakdown

Total Resources	6
Number of Hosts	2
Static Resources	3

Db-book.com Mobile Insights

Last tested: 11/10/2019

Mobile Usability

67%

Use legible font sizes

Configure the viewport

Mobile Speed

94%

Optimize images

Leverage browser caching

Minify JavaScript

Enable compression

Minify HTML

Mobile Resource Breakdown

Total Resources	7
Number of Hosts	4
Static Resources	4
JavaScript Resources	1

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