Semmle.com Welcoming Semmle to GitHub - The GitHub Blog

Semmle.com Overview

Semmle.com belongs to GITHUB - GitHub, Inc., US. Check the list of other websites hosted by GITHUB - GitHub, Inc., US.

In terms of rank-to-traffic ratio, semmle.com has 7,524 unique users per day, viewing 30,067 pages. The rank based value of semmle.com is 46,119 USD. Every user makes 4.28 pageviews on average.

Semmle.com boasts a link base consisting of 481 referring domains and 579 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in October 07, 2024, semmle.com has a valid and up-to-date SSL certificate issued by Sectigo Limited , certificate expiration date: August 27, 2025. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Sectigo Limited.

Based on data from our sources semmle.com is probably an unsafe domain.

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

Semmle.com Website Safety

Overview

Last Updated: 05/19/2025

Overall result - semmle.com is not 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: 03/19/2025

semmle.com is safe.

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

Google Safe Search

Last Updated: 05/05/2020

semmle.com is not 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

semmle.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: 03/11/2021

semmle.com is safe.

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

Web of Trust

Last Updated: 01/30/2019

semmle.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	semmle.com
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	08/27/2024
Expiration	08/27/2025
Signed	Certificate is not self signed
Additional Domains	semmle.com blog.semmle.com www.semmle.com

Semmle.com Rank History

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

Semmle.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 36459

ASN Title: GITHUB - GitHub, Inc., US

Last Update: 01/09/2025

#
# 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: 36459
ASName: GITHUB
ASHandle: AS36459
RegDate: 2012-11-13
Updated: 2012-11-13
Ref: https://rdap.arin.net/registry/autnum/36459

OrgName: GitHub, Inc.
OrgId: GITHU
Address: 88 Colin P Kelly Jr Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2012-10-22
Updated: 2014-04-26
Comment: https://github.com
Comment: Please contact us directly for matters pertaining to abuse.
Comment: Urgent matters including DDoS are handled 24x7.
Ref: https://rdap.arin.net/registry/entity/GITHU

OrgNOCHandle: GITHU-ARIN
OrgNOCName: GitHub Ops
OrgNOCPhone: +1-415-735-4488
OrgNOCEmail: hostmaster@github.com
OrgNOCRef: https://rdap.arin.net/registry/entity/GITHU-ARIN

OrgAbuseHandle: GITHU1-ARIN
OrgAbuseName: GitHub Abuse
OrgAbusePhone: +1-415-857-5430
OrgAbuseEmail: abuse@github.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/GITHU1-ARIN

OrgTechHandle: GITHU-ARIN
OrgTechName: GitHub Ops
OrgTechPhone: +1-415-735-4488
OrgTechEmail: hostmaster@github.com
OrgTechRef: https://rdap.arin.net/registry/entity/GITHU-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.
#

Semmle.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: SEMMLE.COM
Registry Domain ID: 473686482_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2021-11-10T16:25:07Z
Creation Date: 2006-06-05T17:01:05Z
Registry Expiry Date: 2030-06-05T17:01:05Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2086851750
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: DNS1.P09.NSONE.NET
Name Server: DNS2.P09.NSONE.NET
Name Server: DNS3.P09.NSONE.NET
Name Server: DNS4.P09.NSONE.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2023-11-14T02:46:37Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
semmle.com	140.82.113.17	16

Host	MX Record	Priority	TTL
semmle.com	aspmx.l.google.com	1	3600
semmle.com	alt1.aspmx.l.google.com	5	3600
semmle.com	alt2.aspmx.l.google.com	5	3600
semmle.com	aspmx2.googlemail.com	10	3600
semmle.com	aspmx3.googlemail.com	10	3600

Host	NS Record	TTL
semmle.com	dns1.p09.nsone.net	3600
semmle.com	dns2.p09.nsone.net	3600
semmle.com	dns3.p09.nsone.net	3600
semmle.com	dns4.p09.nsone.net	3600

Host	TXT Record	TTL
semmle.com	apple-domain-verification=YzHQxue3XFHm9wg1	3600
semmle.com	google-site-verification=WmCzgQTs0VRng5xGKKglrnZA2xJ9h2e392uRQxwkczY	3600
semmle.com	v=spf1 include:_spf.google.com ip4:62.253.227.100/32 ip4:62.253.227.120/30 ip4:89.16.163.96/28 include:servers.mcsv.net -all	3600

dns1.p09.nsone.net
TTL: 3600
Email address: hostmaster.nsone.net
Serial: 1646320934
Refresh: 43200
Retry: 7200
Expire: 1209600
Minimum: 3600

Semmle.com HTML Check

HTML Validation Tool

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The first occurrence of ID “a” was here.

The first occurrence of ID “c” was here.

The first occurrence of ID “b” was here.

The first occurrence of ID “d” was here.

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

Errors

Duplicate ID “a”.

Duplicate ID “c”.

Duplicate ID “b”.

Duplicate ID “d”.

Attribute “type” not allowed on element “video” at this point.

Attribute “media” not allowed on element “source” at this point.

Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

Element “p” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)

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

Duplicate attribute “class”.

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

Unclosed element “ul”.

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

Bad value “1440-(Primary)” for attribute “id” on element “g”: Not a valid XML 1.0 name.

The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.

Semmle.com Desktop Performance

Last tested: 03/09/2018

Desktop Speed

72%

Leverage browser caching

Enable compression

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

Optimize images

Reduce server response time

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	61
Number of Hosts	6
Static Resources	30
JavaScript Resources	14
CSS Resources	9

Semmle.com Mobile Insights

Last tested: 05/06/2018

Mobile Usability

91%

Size tap targets appropriately

Size content to viewport

Mobile Speed

62%

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

Leverage browser caching

Enable compression

Optimize images

Minify CSS

Minify JavaScript

Reduce server response time

Mobile Resource Breakdown

Total Resources	57
Number of Hosts	6
Static Resources	26
JavaScript Resources	14
CSS Resources	9

Semmle.com Common Typos

www.semmle.com
www.semmle.net
www.semmle.org
www.semmle.info
www.semmle.biz
www.semmle.us
www.semmle.mobi
www.emmle.com
www.semmle.com
www.wemmle.com
www.swemmle.com
www.wsemmle.com
www.eemmle.com
www.seemmle.com
www.esemmle.com
www.demmle.com
www.sdemmle.com
www.dsemmle.com
www.zemmle.com
www.szemmle.com
www.zsemmle.com
www.xemmle.com
www.sxemmle.com
www.xsemmle.com
www.aemmle.com
www.saemmle.com
www.asemmle.com
www.smmle.com
www.swmmle.com
www.sewmmle.com
www.ssmmle.com
www.sesmmle.com
www.ssemmle.com
www.sdmmle.com
www.sedmmle.com
www.srmmle.com
www.sermmle.com
www.sremmle.com
www.semle.com
www.senmle.com
www.semnmle.com
www.senmmle.com
www.sejmle.com
www.semjmle.com
www.sejmmle.com
www.sekmle.com
www.semkmle.com
www.sekmmle.com
www.semnle.com
www.semmnle.com
www.semjle.com
www.semmjle.com
www.semkle.com
www.semmkle.com
www.semme.com
www.semmpe.com
www.semmlpe.com
www.semmple.com
www.semmoe.com
www.semmloe.com
www.semmole.com
www.semmke.com
www.semmlke.com
www.semml.com
www.semmlw.com
www.semmlew.com
www.semmlwe.com
www.semmls.com
www.semmles.com
www.semmlse.com
www.semmld.com
www.semmled.com
www.semmlde.com
www.semmlr.com
www.semmler.com
www.semmlre.com
www.semmle.con

Semmle.com Welcoming Semmle to GitHub - The GitHub Blog

Semmle.com Overview

Semmle.com Website Safety

Semmle.com Rank History

Semmle.com Hosting Information

Semmle.com Domain Registration and Settings

Semmle.com HTML Check

Semmle.com Desktop Performance

Semmle.com Mobile Insights

Semmle.com Similar Audits

Semmle.com Common Typos