Bottomupcs.com Computer Science from the Bottom Up

Bottomupcs.com Overview

Bottomupcs.com ranking shows that the page is at position 649,179 over the world, while the bulk of its audience is from United States, where it ranks 278,207.

It is beneficial to bottomupcs.com that their hosting company LINODE-AP Linode, LLC, US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on LINODE-AP Linode, LLC, US servers.

In terms of rank-to-traffic ratio, bottomupcs.com has 946 unique users per day, viewing 1,134 pages. The rank based value of bottomupcs.com is 9,461 USD. Every user makes 1.30 pageviews on average.

Bottomupcs.com boasts a link base consisting of 283 referring domains and 334 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in July 07, 2024, bottomupcs.com has an expired SSL certificate issued by Let's Encrypt (expired on September 24, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

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

Based on Mobile-Friendly test by Google bottomupcs.com is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices.

Bottomupcs.com Rank Summary

Global Rank

649,179

Average Load Time

0.37sec

Links In Count

Website Value

$8,760

Audience Geography. Where are bottomupcs.com visitors located?

Country	Visitors
United States US	40.4%
India IN	14.1%
Other	46.1%

Country	Pageviews
United States US	37.1%
India IN	13%
Other	49.9%

Country	Rank
India IN	227687
United States US	278207

Where do visitors go on bottomupcs.com?

Subdomain	Pageviews
bottomupcs.com	100%

Subdomain	Pageviews per User
bottomupcs.com	1.1

Subdomain	Reach
bottomupcs.com	100%

How popular is bottomupcs.com?

Period	Global Rank	Global Rank Delta
past 3 months	649179	73364
past month	636175	-113790
past week	601138	-75560
yesterday	924563	438641

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	980216	115973	3	-14.61%	1.2	-3.15%
30	1015235	-136999	3	30%	1.1	-4.42%
7	961705	-97592	3	20%	1	-2.91%
1	1087200	426710	2	-45.63%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	547343	57651	82	-11.87%
30	517643	-101913	91	30%
7	481225	-63329	11	20%
1	731795	343692	8	-45.63%

Bottomupcs.com Website Safety

Overview

Last Updated: 11/11/2024

Overall result - bottomupcs.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: 04/02/2024

bottomupcs.com is safe.

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

Google Safe Search

Last Updated: 01/09/2017

bottomupcs.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

bottomupcs.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: 03/02/2021

bottomupcs.com is safe.

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

Web of Trust

Last Updated: 11/11/2024

bottomupcs.com child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	bottomupcs.com
Issuer Organization	Let's Encrypt
Issuer	E6
Algorithm	ecdsa-with-SHA384
Valid form	06/26/2024
Expiration	09/24/2024
Signed	Certificate is not self signed
Additional Domains	bottomupcs.com www.bottomupcs.com

Bottomupcs.com Rank History

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

Bottomupcs.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 63949

ASN Title: LINODE-AP Linode, LLC, US

Last Update: 11/02/2024

#
# 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: 63488 - 64197
ASName: IANA-RSVD
ASHandle: AS63488
RegDate: 2013-06-07
Updated: 2013-06-07
Ref: https://rdap.arin.net/registry/autnum/63488

OrgName: Internet Assigned Numbers Authority
OrgId: IANA
Address: 12025 Waterfront Drive
Address: Suite 300
City: Los Angeles
StateProv: CA
PostalCode: 90292
Country: US
RegDate:
Updated: 2012-08-31
Ref: https://rdap.arin.net/registry/entity/IANA

OrgAbuseHandle: IANA-IP-ARIN
OrgAbuseName: ICANN
OrgAbusePhone: +1-310-301-5820
OrgAbuseEmail: abuse@iana.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN

OrgTechHandle: IANA-IP-ARIN
OrgTechName: ICANN
OrgTechPhone: +1-310-301-5820
OrgTechEmail: abuse@iana.org
OrgTechRef: https://rdap.arin.net/registry/entity/IANA-IP-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.
#

Bottomupcs.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: BOTTOMUPCS.COM
Registry Domain ID: 1635286594_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.gandi.net
Registrar URL: http://www.gandi.net
Updated Date: 2020-12-16T05:05:41Z
Creation Date: 2011-01-16T06:59:20Z
Registry Expiry Date: 2022-01-16T06:59:20Z
Registrar: Gandi SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: abuse@support.gandi.net
Registrar Abuse Contact Phone: +33.170377661
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-CLOUD-B1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-B2.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-B3.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-B4.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-12-09T07:32:28Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
bottomupcs.com	50.116.43.119	600

Host	MX Record	Priority	TTL

Host	NS Record	TTL
bottomupcs.com	curitiba.ns.porkbun.com	86400
bottomupcs.com	fortaleza.ns.porkbun.com	86400
bottomupcs.com	maceio.ns.porkbun.com	86400
bottomupcs.com	salvador.ns.porkbun.com	86400

Host	TXT Record	TTL

curitiba.ns.porkbun.com
TTL: 3600
Email address: dns.cloudflare.com
Serial: 2304266318
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 3600

Bottomupcs.com HTML Check

HTML Validation Tool

Errors

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

Warnings

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

Bottomupcs.com Desktop Performance

Last tested: 07/07/2019

Desktop Speed

95%

Enable compression

Leverage browser caching

Minify CSS

Desktop Resource Breakdown

Total Resources	13
Number of Hosts	7
Static Resources	8
JavaScript Resources	5
CSS Resources	3

Bottomupcs.com Mobile Insights

Last tested: 01/26/2019

Mobile Usability

58%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

94%

Leverage browser caching

Enable compression

Minify CSS

Mobile Resource Breakdown

Total Resources	13
Number of Hosts	7
Static Resources	8
JavaScript Resources	5
CSS Resources	3

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Bottomupcs.com Computer Science from the Bottom Up

Bottomupcs.com Overview

Bottomupcs.com Rank Summary

Bottomupcs.com Website Safety

Bottomupcs.com Rank History

Bottomupcs.com Hosting Information

Bottomupcs.com Domain Registration and Settings

Bottomupcs.com HTML Check

Bottomupcs.com Desktop Performance

Bottomupcs.com Mobile Insights

Bottomupcs.com Similar Audits

Bottomupcs.com Common Typos