css-lecture.com - CSS Lecture

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.62 sec.
Last Checked: 06/29/2024

Over the time css-lecture.com has been ranked as high as 31,346 in the world, while most of its traffic comes from Japan, where it reached as high as 35,936 position.

Css-lecture.com receives about 1,085 unique visitors and 1,085 pageviews per day. The estimated value of css-lecture.com is 8,760 USD. Each unique visitor makes about 1 pageviews on average.

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

At the time of the last check (April 29, 2021) css-lecture.com has an expired wildcard SSL certificate issued by GlobalSign nv-sa (expired on June 23, 2021). Check other websites using SSL certificates issued by GlobalSign nv-sa.

According to Google Safe Browsing, Google Safe Search and Symantec css-lecture.com is quite a safe domain.

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

Css-lecture.com General Information

Global Rank

636,726

Average Load Time

0.63sec

Links In Count

202

Website Value

$8,760

Audience Geography. Where are css-lecture.com visitors located?

Country	Rank
Japan JP	35936

Country	Percent of Pageviews
Japan JP	100%

Country	Percent of Visitors
Japan JP	100%

Where do visitors go on css-lecture.com?

Subdomain	Pageviews
css-lecture.com	100%

Subdomain	Pageviews per User
css-lecture.com	1

Subdomain	Reach
css-lecture.com	100%

How popular is css-lecture.com?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	544596	316402	82	-66.7%
30	334214	-533009	2	200%
7	535916	43344	1	-10.02%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	944851	503947	3	-63.962%	1	8%
30	650649	-609321	5	200%	1	-22.67%
7	1032595	446620	3	-55.011%	1	-50%

Period	Global Rank	Global Rank Delta
past 3 months	636726	360868
past month	403279	-541540
past week	658862	177145

Css-lecture.com Alexa Rank History

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

Css-lecture.com Safety Information

Overview

Last Updated: 04/20/2025

Overall result - "css-lecture.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: 03/22/2025

css-lecture.com is safe.

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

Google Safe Search

Last Updated: 10/17/2016

css-lecture.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 "css-lecture.com".
"css-lecture.com" is not a phishing page.
"css-lecture.com" does not install unwanted software.
"css-lecture.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: 02/22/2021

css-lecture.com is safe.

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

Web of Trust

Last Updated: 04/20/2025

css-lecture.com child safety isunknown.

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

SSL Information

SSL Checker Tool

Domain	*.heteml.jp
Issuer Organization	GlobalSign nv-sa
Issuer	AlphaSSL CA - SHA256 - G2
Algorithm	RSA-SHA256
Valid form	04/24/2019
Expiration	06/23/2021
Signed	Certificate is not self signed
Additional Domains	*.heteml.jp heteml.jp

Css-lecture.com Server Information

Server Location

Geolocation Tool

Tokyo

Japan

ASN Information

ASN Lookup Tool

ASN ID: 26496
ASN Title: AS-26496-GO-DADDY-COM-LLC - GoDaddy.com, LLC, US

Last Update: 04/13/2025

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: 26496
ASName: AS-26496-GO-DADDY-COM-LLC
ASHandle: AS26496
RegDate: 2002-10-01
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/26496

OrgName: GoDaddy.com, LLC
OrgId: GODAD
Address: 14455 N Hayden Road
Address: Suite 226
City: Scottsdale
StateProv: AZ
PostalCode: 85260
Country: US
RegDate: 2007-06-01
Updated: 2014-09-10
Comment: Please send abuse complaints to abuse@godaddy.com
Ref: https://rdap.arin.net/registry/entity/GODAD

OrgNOCHandle: NOC124-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-480-505-8809
OrgNOCEmail: noc@godaddy.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC124-ARIN

OrgAbuseHandle: ABUSE51-ARIN
OrgAbuseName: Abuse Department
OrgAbusePhone: +1-480-624-2505
OrgAbuseEmail: abuse@godaddy.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE51-ARIN

OrgTechHandle: NOC124-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-480-505-8809
OrgTechEmail: noc@godaddy.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC124-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.
#

Css-lecture.com Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: CSS-LECTURE.COM
Registry Domain ID: 1388082960_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2024-03-17T02:41:39Z
Creation Date: 2008-01-26T12:30:24Z
Registry Expiry Date: 2025-01-26T12:30:24Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS25.DOMAINCONTROL.COM
Name Server: NS26.DOMAINCONTROL.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-20T20:05:27Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
css-lecture.com	157.7.188.221	86400

Host	MX Record	Priority	TTL
css-lecture.com	mail3.heteml.jp	10	86400

Host	NS Record	TTL
css-lecture.com	dns0.heteml.jp	259200
css-lecture.com	dns1.heteml.jp	259200

Host	TXT Record	TTL
css-lecture.com	v=spf1 include:_spf.heteml.jp ~all	3600

dns0.heteml.jp
TTL: 2560
Email address: hostmaster.css-lecture.com
Serial: 1566289934
Refresh: 16384
Retry: 2048
Expire: 1048576
Minimum: 2560

Css-lecture.com HTML Validation

HTML Validation Tool

Errors

Bad value “screen, tv, projection” for attribute “media” on element “link”: Deprecated media type “tv”. For guidance, see the Media Types section in the current Media Queries specification.

Attribute “value” not allowed on element “input” at this point.

Bad value “2011-04-05:13:44” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2011-04-04:15:28” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2011-04-01:11:26” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2011-03-31:00:00” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2010-12-01:11:32” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Warnings

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

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

Css-lecture.com Desktop Insights

Desktop Page Insights Tool

Last tested: 12/09/2016

Desktop

Desktop Speed

43%

Optimize images

Leverage browser caching

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

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	112
Number of Hosts	19
Static Resources	83
JavaScript Resources	23
CSS Resources	6

Css-lecture.com Mobile Insights

Mobile Page Insights Tool

Last tested: 12/09/2016

Mobile

Mobile Usability

62%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Size content to viewport

Mobile Speed

36%

Optimize images

Leverage browser caching

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

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	110
Number of Hosts	19
Static Resources	80
JavaScript Resources	20
CSS Resources	5

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Css-lecture.com CSS Lecture

CSSリファレンスに関する記事を中心に、jQuery、(X)HTML、Movable Typeなどの使い方などを紹介、デモページ付きの解説。それ以外にもWebサイト制作に関する役立つツールや情報を掲載しています。

Quick Summary

Css-lecture.com General Information

Css-lecture.com Alexa Rank History

Css-lecture.com Safety Information

Css-lecture.com Server Information

Css-lecture.com Domain Name Information

Css-lecture.com HTML Validation

Css-lecture.com Desktop Insights

Css-lecture.com Mobile Insights

Css-lecture.com Nearest Competitors

Css-lecture.com Typos