Domain Summary

purplemath.com

free online lessons, loads of worked examples, clear and practical explainations, and no-nonsense advice. purplemath is here to help!

Sucuri WebSite Firewall - Access Denied

Global rank: #302369
Daily visitors: 7.26K
Monthly Visits: 217,865
Pageviews per user: 1.67
Registrar Abuse Contact Email:
Registrant Phone:
Rating
TLD: com
IP Address: 192.124.249.10
Organization: Sucuri
Category: Science and Education >
Math
purplemath.com Icon
purplemath.com
Last Status:
Online
Last Updated: 4 day ago
loading

About Website

Click here to check amazing purplemath content for United States. Otherwise, check out these important facts you probably never knew about purplemath.com

free online lessons, loads of worked examples, clear and practical explainations, and no-nonsense advice. purplemath is here to help!

Visit purplemath.comRight Arrow
Trust Score DNS Competitors Traffic SSL HTTP Headers WHOIS Reviews SEO

purplemath.com Trust Score

purplemath.com is probably legit as the trust score is reasonable. Our algorithm rated purplemath.com a 89. Although our rating of purplemath.com is medium to low risk, we encourage you to always vote as the evaluation of the site is done automatically.

The trust rating is high. Might be safe.
Trustscore
89 / 100

What is your feeling about purplemath.com?

rating 10
rating 20
rating 30
rating 41
rating 51
4.5 / 5 Based on 2 Reviews
View/Add Comments

Which Sites are Alternatives & Competitors to purplemath.com?

Explore the top alternatives and rivals of purplemath.com in November 2024, and assess their data relating to website traffic, SEO, Web Server Information, and Whois. Refer to the list below for the best competitors of purplemath.com, and simply click on each one to delve into their specific details.

Mentioned on Their Website:

  • purplemath.com
    Terms of Use | Purplemath

    https://www.purplemath.com/terms.htm

    The content of the lessons posted to the Purplemath.com website, including the contained images, is the copyrighted property of Elizabeth Stapel. While the lessons have been created as a labor of love and are designed to help struggling students find success in algebra, Purplemath is not "in the public domain", and is subject to the following ...

  • purplemath.com
    How do you simplify logs without a calculator? | Purplemath

    https://www.purplemath.com/modules/logs2.htm

    To evaluate (or simplify) a logarithmic expression without a calculator (when this simplification is possible), follow these steps: Set the log expression equal to a placeholder variable. For instance, when asked to simplify log3(81), set this equal to, say, x, yielding the log equation log3(81) = x. Convert this log equation to the equivalent ...

  • purplemath.com
    What are the rules for rearranging logarithms? | Purplemath

    https://www.purplemath.com/modules/logrules.htm

    Warning: Just as when you're dealing with exponents, the above rules work only if the bases are the same. For instance, the expression "log d (m) + log b (n)" cannot be simplified, because the bases (the d and the b) are not the same, just as x 2 × y 3 cannot be simplified because the bases (the x and y) are not the same.Below are some examples …

  • purplemath.com
    How do you graph a linear equation, step-by-step? | Purplemath

    https://www.purplemath.com/modules/graphlin2.htm

    In summary, follow these steps to graph a straight line: Create a T-chart. In your chart, pick at least three x -values, and compute the corresponding y -values. With a ruler (that is, with a straight-edge), draw the x -axis and y -axis. Draw a consistent scale on each axis; label some axis values, especially if you're not counting off by 1 's.

  • m.purplemath.com
    Homework Guidelines for Mathematics | Purplemath

    https://m.purplemath.com/guidline.htm

    Homework Guidelines for Mathematics. Mathematics is a language, and as such it has standards of writing which should be observed. In a writing class, one must respect the …

  • ns1.purplemath.com
    Systems of Linear Equations: Solving by Addition / Elimination

    https://ns1.purplemath.com/modules/systlin5.htm

    Purplemath. The "addition" method of solving systems of linear equations is also called the "elimination" method. Under either name, this method is similar to the method you probably used when you were first learning how to solve one-variable linear equations. Suppose, back in the day, they'd given you the equation " x + 6 = 11 ".

  • m.purplemath.com
    Special Factoring: Recognizing Factoring Patterns | Purplemath

    https://m.purplemath.com/modules/specfact4.htm

    Purplemath. You've learned the difference-of-squares formula and the difference- and sum-of-cubes formulas. But how do you know which formula to use, and when to use it? First …

  • m.purplemath.com
    "Solving" Quadratic Equations by Graphing | Purplemath

    https://m.purplemath.com/modules/solvquad5.htm

    Purplemath. To be honest, solving "by graphing" is a somewhat bogus topic. The basic idea behind solving by graphing is that, since the (real-number) solutions to any equation (quadratic equations included) are the x - intercepts of that equation, we can look at the x -intercepts of the graph to find the solutions to the corresponding equation.

  • purplemath.com
    Download the Lessons | Purplemath

    https://www.purplemath.com/lessoncd.htm

    Purplemath CD is a zipped archive that contains the entire Purplemath web site, modified for offline viewing. You can download it for US$12 and access the lessons on your laptop …

  • purplemath.com
    Algebra Clearly Explained in Free Online Lessons | Purplemath

    https://www.purplemath.com/modules/index.htm

    Below, Purplemath's lessons are listed in groups according to the general meanings of "beginning", "intermediate", and "advanced" algebra. If you are not sure where to find …

  • purplemath.com
    Purplemath got its start in 1998. Wanna know more? | Purplemath

    https://www.purplemath.com/about.htm

    Purplemath was created by Elizabeth Stapel in 1998 and has grown to be a popular online source for math help and instruction. Learn about its history, recognition, affiliations, …

  • purplemath.com
    How to set up and solve "distance" problems | Purplemath

    https://www.purplemath.com/modules/distance.htm

    2nd part distance: 115 (5 − t) I can add these two partial-distance expressions, and set them equal to the known total distance: 105 t + 115 (5 − t) = 555. This is an equation in one variable, which I can solve: 105 t + 115 (5 − t) = 555. 105 t …

  • sitejabber.com
    Purplemath Reviews - 4 Reviews of Purplemath.com | Sitejabber

    https://www.sitejabber.com/reviews/purplemath.com

    4 reviews for Purplemath, 4.8 stars: “I am doing an undergraduate course in straight mathematics after a 10-year gap in education. This is brilliant and absolutely my …

  • purplemath.com
    The box method for factoring quadratics when a≠1 | Purplemath

    https://www.purplemath.com/modules/factquad2.htm

    To factor a quadratic (that is, to factor a trinomial of the form ax2 + bx + c) where the leading coefficient a is not equal to 1, follow these steps: Multiply the leading coefficient a and the constant term c to get the product ac. Find factors of ac that add up to the coefficient of the constant term b. Use these factors of ac to split the ...

  • purplemath.com
    Fool-Proof Method for Factoring Simple Quadratics | Purplemath

    https://www.purplemath.com/modules/factquad.htm

    x2 + (p + q) x + pq. In the above, (p + q) = b and pq = c from x2 + bx + c. This multiplication and simplification demonstrates why, to factor a quadratic, we'll need to start by finding the two numbers (being the p and the q above) that add up to equal b, where those numbers also multiply to equal c. In other words, it's required by the logic ...

  • compadre.org
    Purplemath: Practical Algebra Lessons - AAPT

    https://www.compadre.org/precollege/items/detail.cfm?ID=9364

    This site contains a comprehensive collection of free resources designed to help high school students gain understanding and confidence in algebra. Materials …

  • m.purplemath.com
    They say I *have* to take algebra. But why?!? | Purplemath

    https://m.purplemath.com/modules/why_math.htm

    To demonstrate that proficiency, you need a degree. To get the degree, you need algebra. In other words, you do need this stuff for your job. It is often said (amongst math people, anyway) that one really only learns arithmetic and pre-algebra in algebra, and one only really learns algebra and trigonometry in calculus.

  • purplemath.com
    What is exponential growth? How does it work? | Purplemath

    https://www.purplemath.com/modules/expoprob2.htm

    Exponential growth word problems work off the exponential-growth formula, A = Pert, where A is the ending amount of whatever you're dealing with (for example, money sitting in an investment, or bacteria growing in a petri dish), P is the beginning amount of that same whatever, r is the growth constant, and t is time.

  • purplemath.com
    Completing the Square: Solving Quadratic Equations | Purplemath

    https://www.purplemath.com/modules/sqrquad.htm

    First off, remember that finding the x-intercepts means setting y equal to zero and solving for the x-values, so this question is really asking you to "Solve 4x 2 − 2x − 5 = 0 ".. Now, let's start the completing-the-square process. To begin, we have the original equation (or, if we had to solve first for "= 0", the "equals zero" form of the equation).). In this case, we …

  • purplemath.com
    Circles in algebra: what to know and what to do | Purplemath

    https://www.purplemath.com/modules/circle.htm

    The general equation of a circle is: The "center-radius" form of the equation is: ...where the h and the k come from the center point (h, k) and the r2 comes from the radius value r. If the center is at the origin, so (h, k) = (0, 0), then the equation simplifies to x2 + y2 = r2. Note: The general form may be given in your book using different ...

  • purplemath.com
    Geometric formulas that you really should know | Purplemath

    https://www.purplemath.com/modules/geoform.htm

    You should know the formula for the circumference C and area A of a circle, given the radius r: Acir = π r2. Ccir = 2π r. (" π " is the number approximated by 3.14159 or the fraction 22/7) Remember that the radius of a circle is the distance from the center to the outside of a circle. In other words, the radius is just halfway across.

  • purplemath.com
    How do you find the inverse of a function? (steps) | Purplemath

    https://www.purplemath.com/modules/invrsfcn3.htm

    To find the domain and range of the inverse, just swap the domain and range from the original function. Find the inverse of. y = − 2 x − 5. \small {\boldsymbol {\color {green} { y = \dfrac {-2} {x - 5} }}} y = x−5−2. . , state the domain and range, and determine whether the inverse is also a function. Since the variable is in the ...

  • m.purplemath.com
    Solving Quadratic Equations by Completing the Square

    https://m.purplemath.com/modules/solvquad3.htm

    Elsewhere, I have a lesson just on solving quadratic equations by completing the square.That lesson (re-)explains the steps and gives (more) examples of this process. It also shows how the Quadratic Formula can be derived from this process. If you need further instruction or practice on this topic, please read the lesson at the above hyperlink.

  • ns1.purplemath.com
    What is an identity, and how do I prove it? | Purplemath

    https://ns1.purplemath.com/modules/proving.htm

    Purplemath. Proving an identity is very different in concept from solving an equation. Though you'll use many of the same techniques, they are not the same, and the …

  • purplemath.com
    What are relations? What are functions (in math)? | Purplemath

    https://www.purplemath.com/modules/fcns.htm

    A function is a well-behaved relation, by which we mean that, given a starting point (that is, given an abscissa), we know the exactly one ending spot (that is, exactly one ordinate) to go to; given an x -value, we get only and exactly one corresponding y -value. Note what this means: While all functions are relations (since functions do pair ...

  • facebook.com
    Purplemath - Facebook

    https://www.facebook.com/PurplemathLady/

    Purplemath, Addison, Illinois. 3.3K likes · 34 talking about this. https://www.purplemath.com Need help with algebra? Try Purplemath's practical and …

  • purplemath.com
    Ratios: What are They? How do They Work? | Purplemath

    https://www.purplemath.com/modules/ratio.htm

    A "ratio" is just a comparison between, or a relating of, two different things. Ratios are used to create proportions by setting two ratios equal to each other and solving for some unknown, and ratios can also be used to find per-unit rates such as how many mile a car can drive "per liter" or how many hours the average student at a given ...

  • purplemath.com
    The Basic Ins and Outs of Exponents | Purplemath

    https://www.purplemath.com/modules/exponent.htm

    The rules for simplifying with exponents are as follows: Product property: ( xm ) ( xn ) = xm + n. Power of a power property: ( xm )n = xm × n. Power of a product property: (xy)m = xmym. Power of a quotient property: ( x y) m = x m y m.

  • purplemath.com
    What are LCM and GCF? How do I find them easily? | Purplemath

    https://www.purplemath.com/modules/lcm_gcf.htm

    Then the GCF is 2 × 3 × 5 × 7 = 210. On the other hand, the Least Common Multiple, the LCM, is the smallest (that is, the "least") number that both 2940 and 3150 will divide into. That is, it is the smallest number that contains both 2940 and 3150 as factors, the smallest number that is a *multiple* that is common to both these values. Therefore, it will be the …

  • purplemath.com
    An easy way to factor numbers into primes | Purplemath

    https://www.purplemath.com/modules/factnumb.htm

    In the case of 24, you can find the prime factorization by taking 24 and dividing it by the smallest prime number that goes into 24: 24 ÷ 2 = 12. (Actually, the "smallest" part is not as important as the "prime" part; the "smallest" part is mostly to make your work easier, because dividing by smaller numbers is simpler.)

  • youtube.com
    purplemath - YouTube

    https://www.youtube.com/user/purplemath

    Share your videos with friends, family, and the world

  • purplemath.com
    Radicals: Introduction & Simplification | Purplemath

    https://www.purplemath.com/modules/radicals.htm

    In particular, I'll start by factoring the argument, 144, into a product of squares: 144 = 9 × 16. Each of 9 and 16 is a square, so each of these can have its square root pulled out of the radical. The square root of 9 is 3 and the square root of 16 is 4. Then: \sqrt {144\,} = \sqrt {9\times 16\,} 144 = 9×16.

See More

DNS Lookup

DNS entries, such as A, NS, MX, and TXT records, are crucial for the functioning of the Internet. The A record maps a domain name to an IPv4 address, while the NS record specifies authoritative name servers for a domain. The MX record identifies the mail server responsible for receiving email messages for a domain. Additionally, the TXT record allows for the association of any text information with a domain name. These records play a vital role in ensuring proper communication and connectivity across the internet.

HostClassTTLTypeData
purplemath.comIN360Aip: 192.124.249.10
purplemath.comIN7200NStarget: 19.sucuridns.com
purplemath.comIN7200NStarget: 11.sucuridns.com
purplemath.comIN7200NStarget: 14.sucuridns.com
purplemath.comIN7200NStarget: 18.sucuridns.com
purplemath.comIN7200SOAmname: 10.sucuridns.comrname: soc.sucuri.netserial: 2017010615refresh: 14400retry: 7200expire: 1209600minimum-ttl: 86400
purplemath.comIN7200MXtarget: mx2.vivawebhost.compri: 20
purplemath.comIN7200MXtarget: mx1.vivawebhost.compri: 10
purplemath.comIN7200TXTtxt: v=spf1 ip4:192.124.249.10 ip4:174.136.57.10 ip4:78.142.63.42 ip4:78.142.63.214 ip4:72.52.208.14 ip4:72.52.208.13 a:web01.purplemath.com ~all

purplemath.com Traffic Analysis

According to global rankings, purplemath.com holds the position of #302369. It attracts an approximate daily audience of 7.26K visitors, leading to a total of 7375 pageviews. On a monthly basis, the website garners around 217.87K visitors.

Daily Visitors7.26K
Monthly Visits217.87K
Pages per Visit1.67
Visit Duration0:01:94
Bounce Rate76.43%
Want complete report?Full SEMrush Report >>
Daily Unique Visitors:
7262
Monthly Visits:
217865
Pages per Visit:
1.67
Daily Pageviews:
7375
Avg. visit duration:
0:01:94
Bounce rate:
76.43%
Monthly Visits (SEMrush):
220321

Traffic Sources

SourcesTraffic Share
Social:
0.50%
Paid Referrals:
2.82%
Mail:
0.00%
Search:
75.60%
Direct:
21.03%

Visitors by Country

CountryTraffic Share
United States:
60.24%
Canada:
6.69%
Philippines:
5.72%
United Kingdom:
4.86%
Australia:
2.45%

SSL Checker - SSL Certificate Verify

An SSL certificate is a digital certificate that ensures a secure encrypted connection between a web server and a user's browser. It provides authentication and encryption to keep data private and protected during transmission. purplemath.com supports HTTPS, demonstrating their commitment to providing a secure browsing experience for users.

name
purplemath.com
hash
dc52f58f
issuer
Starfield Technologies, Inc.
version
2
serialNumber
5375655924077420117
validFrom_time_t
1714574890
validTo_time_t
1746110890
signatureTypeSN
RSA-SHA256
signatureTypeLN
sha256WithRSAEncryption
signatureTypeNID
668
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
A4:0C:79:F1:EF:2D:B3:E1:9B:63:71:C9:26:3C:AB:E3:42:1F:77:BC
authorityKeyIdentifier
keyid:25:45:81:68:50:26:38:3D:3B:2D:2C:BE:CD:6A:D9:B6:3D:B3:66:63
authorityInfoAccess
OCSP - URI:http://ocsp.starfieldtech.com/ CA Issuers - URI:http://certificates.starfieldtech.com/repository/sfig2.crt
subjectAltName
DNS:www.purplemath.com, DNS:purplemath.com
certificatePolicies
Policy: 2.16.840.1.114414.1.7.23.1 CPS: http://certificates.starfieldtech.com/repository/ Policy: 2.23.140.1.2.1

HTTP Headers

HTTP headers are additional segments of data exchanged between a client (e.g. a web browser) and a server during an HTTP request or response. They serve to provide instructions, metadata, or control parameters for the interaction between the client and server.

Status
HTTP/1.1 301 Moved Permanently
Server
Sucuri/Cloudproxy
Date
Wed, 29 May 2024 01:52:04 GMT
Content-Type
text/html; charset=iso-8859-1
Content-Length
235
Connection
keep-alive
X-Sucuri-ID
11010
X-XSS-Protection
1; mode=block
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Strict-Transport-Security
max-age=31536000; includeSubdomains; preload
Content-Security-Policy
upgrade-insecure-requests;
Referrer-Policy
strict-origin-when-cross-origin
Location
https://www.purplemath.com/
X-Sucuri-Cache
HIT
Status
HTTP/1.1 200 OK
Server
Sucuri/Cloudproxy
Date
Wed, 29 May 2024 01:52:05 GMT
Content-Type
text/html
Content-Length
8082
Connection
keep-alive
X-Sucuri-ID
11010
X-XSS-Protection
1; mode=block
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Strict-Transport-Security
max-age=31536000; includeSubdomains; preload
Content-Security-Policy
upgrade-insecure-requests;
Referrer-Policy
strict-origin-when-cross-origin
Last-Modified
Thu, 04 Jan 2024 20:13:50 GMT
Vary
Accept-Encoding,User-Agent
Content-Encoding
gzip
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Sucuri-Cache
HIT
Accept-Ranges
bytes

Where is purplemath.com hosted?

purplemath.com is likely hosted in various data centers located across different regions worldwide. The current data center mentioned is just one of many where the website may be hosted.

Whois Information

WHOIS protocol used to get domain/IP info. Common for reg details, ownership of a domain/IP. Check purplemath.com for reg/admin contact info, owner, org, email, phone, creation, and expiration dates.

Domain Updated Date:
Domain Created Date:
Domain Expiry Date:
Domain Name:
Registrar WHOIS Server:
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Registrar:
Domain Owner:

Rate limit exceeded. Try again after: 29s

SEO Analysis

SEO analysis involves examining the performance of a website, including titles, descriptions, keywords, and website speed. It also includes identifying popular keywords and researching competitor websites to understand their strategies. The analysis aims to optimize the website's visibility and improve its ranking on search engines.

Title Tag:
Sucuri WebSite Firewall - Access Denied

Length: 39 characters

Title tags are usually best kept short, within 50-70 characters. It's important to note that search engines will typically read the entire title tag even if it exceeds 70 characters, but there is a chance they may cut it off or disregard it.

Meta Description:

No meta description found.

Length: 0 characters

When crafting website descriptions, keep in mind that search engines only show the first 150-160 characters in search results. To ensure your entire description is visible, aim for a length of 25-160 characters. If your description is too long, it may get cut off. Conversely, if it's too short, search engines may add text from elsewhere on your page. Additionally, search engines may modify the description you provide to better match the user's search intent. It's best to strike a balance between brevity and relevance for optimal visibility.

Meta Keywords:

No meta keywords found.

In the realm of search engine optimization, the meta keywords tag has become a relic of the past due to its potential for misuse, ultimately leading major search engines to disregard it in their ranking algorithms.

Keywords Cloud:
Term Count Density
block 5 7.35%
sucuri 4 5.88%
firewall 3 4.41%
website 3 4.41%
site 2 2.94%
details 2 2.94%
denied 2 2.94%
access 2 2.94%
safari 1 1.47%
chrome 1 1.47%
black 1 1.47%
reason 1 1.47%
html 1 1.47%
www 1 1.47%
googlebot 1 1.47%
http 1 1.47%
google 1 1.47%
bot 1 1.47%
blocked 1 1.47%
server 1 1.47%
rights 1 1.47%
reserved 1 1.47%
privacy 1 1.47%
time 1 1.47%
request 1 1.47%
listed 1 1.47%
blacklist 1 1.47%
compatible 1 1.47%
completing 1 1.47%
address 1 1.47%
browser 1 1.47%
open 1 1.47%
support 1 1.47%
ticket 1 1.47%
make 1 1.47%
error 1 1.47%
whitelist 1 1.47%
back 1 1.47%
net 1 1.47%
owner 1 1.47%
manage 1 1.47%
include 1 1.47%
displayed 1 1.47%
purplemath 1 1.47%
mozilla 1 1.47%
applewebkit 1 1.47%
khtml 1 1.47%
url 1 1.47%
issue 1 1.47%
box 1 1.47%
assist 1 1.47%
troubleshooting 1 1.47%
gecko 1 1.47%

A crucial factor in search engine optimization is keyword density, which refers to the proportion of a particular keyword present in the text of a webpage. In order to achieve high rankings on search engine results pages, it is essential to maintain the appropriate keyword density for your primary keyword.

Headings:
<H1>
1
<H2>
1
<H3>
0
<H4>
0
<H5>
0
<H6>
0
<h1> Access Denied - Sucuri Website Firewall</h1>
<h2>Block details:</h2>

In SEO, the primary focus is placed on keywords within the content. The title of the page holds the highest importance, followed by heading tags such as h1, h2, and h3. The h1 heading should be the largest on the page, while the h2 heading should be slightly smaller, and the h3 heading even smaller. This hierarchical structure is crucial for optimizing search engine rankings.

Image Alt Attribute:
2 images found in your page, and 2 images are without "ALT" text.

What is the issue about?
The tag does not have an ALT attribute defined. As a general rule, search engines do not interpret the content of image files. The text provided in the attribute enables the site owner to provide relevant information to the search engine and to the end user. Alt text is helpful to end users if they have images disabled or if the image does not properly load. In addition, the Alt text is utilized by screen readers. Make sure that your Alt text is descriptive and accurately reflects what the image represents and supports the content on the page.

How to fix?
Use the <img alt> attribute to write descriptive content for the image: <img source='pic.gif' alt='Accurate and descriptive keyword text that represents the image.' />.

Website Speed Test (Desktop):
0.12 seconds

Website speed is a measurement of how fast the content on your page loads. Website speed is one of many factors involved in the discipline of search engine optimization (SEO), but it is not the only one. In a recent study, the average load time for a web page was 3.21s.

Top Organic Search Terms:
Term Search Volume Traffic Traffic (%)
purplemath 70 0 0%

CO-Hosted

CoHosted refers to a situation where multiple domain names (websites) are using the same IP address to point to their respective web servers. They could be owned by different individuals or organizations and may serve entirely different purposes.

gsuplementos.com.br
ilnapolista.it
majhinaukri.in
dcisoftware.com
tsdweb.com
purplemath.com
prostitutemovies.com

People reviews about purplemath.com

Very positive reviews

rating 5

Total reviews: 2
Average score: 5 stars

The total score is based on reviews found on the following sites
Scamadviser: 5/5 stars, 2 reviews

Add your review

rating 1 rating 2 rating 3 rating 4 rating 5

Very positive reviews

rating 5

Total reviews: 2
Average score: 5 stars

The total score is based on reviews found on the following sites
Scamadviser: 5/5 stars, 2 reviews


Back Top
Feedback