Interactive Mathematics Miscellany and Puzzles

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Title

Interactive Mathematics Miscellany and Puzzles

Words count: 5 Unique Words: 5 Length: 46 characters
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Excellent! the title contains 1-12 words, and within 10-70 characters!

The title will be displayed in search engine results in the form of a direct link to the site.

Tips:
1. ideally, the title should contain 10 to 70 characters, including spaces. (Google displays up to 70 characters in the title, and takes into account only the first 12 words.)
2. put the most important and relevant keywords in the title, try not to repeat any word.
3. each individual page should have a unique title.

Description

An encyclopedic collection of math resources for all grades. Arithmetic games, problems, puzzles, and articles

Words count: 15 Length: 110 characters
[ To optimize the page description, Use this SEO Meta Description Optimizer ]

Excellent! Your meta description contains between 70 and 160 characters.

Meta Descriptions provide concise explanations of the contents of web pages, that are commonly used by search engines on search result pages to display preview snippets for a given page.

Tips:
1. it is best to keep meta descriptions between 70-160 characters.
2. a readable, compelling description using important keywords can draw a much higher click-through rate of searchers to the given web page.
3. avoid keyword stuffing, ensure each page has its own unique description.

Google SERP Preview

Interactive Mathematics Miscellany and Puzzles www.cut-the-knot.org/
An encyclopedic collection of math resources for all grades. Arithmetic games, problems, puzzles, and articles

[ To optimize this Google SERP preview, Use this Google SERP Optimizer ]

This is how your site looks like in Google Search Result Page.

an optimized SERP snippet will have a higher click through rate.

Tips:
1. make sure the title is clear, simple, straight to the point.
2. make sure the description is relevant and properly summarized the page content.

Keywords

Interactive, Mathematics, games, geometry, arithmetic, algebra, problem, theorem, puzzles, math

Words count: 10 Length: 95 characters keyword phrases count : 10

The keywords is too short!
[ To optimize the meta keywords, Use this SEO Meta Keywords Optimizer ]

Keyword Occurrences in Different Sections
Word		keyword	content
1 word	:	100% (10/10)
		interactive	0 (0%)
		mathematics	0 (0%)
		games	0 (0%)
		geometry	0 (0%)
		arithmetic	0 (0%)
		algebra	0 (0%)
		problem	0 (0%)
		theorem	0 (0%)
		puzzles	0 (0%)
		math	0 (0%)

Meta keywords should not be ignored, though they are not a major ranking factor for most of search engines nowadays. A Meta keywords tag is supposed to be a brief and concise list of the most important themes of your page

Tips:
1. keep your list of keywords or keyword phrases down to 10 - 20 unique words or phrases.
2. separate the words or phrases using a comma (you do not need to leave a space between words separated by commas).
3. do not repeat words or phrases.
4. put your most important word or phrases at the beginning of your list.

Keywords Cloud

This keywords cloud gives your an idea of what are those important keywords appears in your website.

alexander algebra arithmetic bogomolny book circle counting curves cut fast game geometry guessing hanoi identity illusion interactive july knot logic magic math mathematics mind miscellany number paradox probability problem puzzles pythagorean series sets solutions square theorem tower triangle visual word

Top 20 Keywords

Total Terms Count: 812

Excellent! No terms has a density of more than 3%, all are optimized to be within 1% - 3%.

Top 20 terms occurance and density
Keyword	In Body	Density
illusion	16	1.97%
game	16	1.97%
problem	14	1.72%
puzzles	13	1.60%
mathematics	12	1.48%
theorem	10	1.23%
arithmetic	9	1.11%
magic	8	0.99%
math	7	0.86%
interactive	5	0.62%
geometry	5	0.62%
miscellany	4	0.49%
probability	4	0.49%
paradox	4	0.49%
book	4	0.49%
word	4	0.49%
alexander	4	0.49%
curves	4	0.49%
solutions	4	0.49%
logic	4	0.49%

keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase.

Tips:
1. the optimum keyword density to be 1.0% - 3.0%. Using a keyword more than that could be considered search spam.
2. overuse of keywords, a practice called keyword stuffing, will cause a web page to be penalized.

Highlight

<H1>	<H2>	<H3>	<H4>	<H5>	<H6>	<B>	<U>	<I>	<EM>	<STRONG>	Total
1	0	0	0	0	0	19	0	0	1	0	21

Excellent! The page is using HTML headings (<H1> - <H6>) and inline emphasis tags (<EM><B><I><EM><STRONG>)

<H1> (1)	Interactive Mathematics Miscellany and Puzzles
<B> (19)	Cut the Knot Arithmetic Mathematics Games & Puzzles Logic Fractals & Chaos Fallacies Calculus Combinatorial Games Algebra Visual Illusions Probability Computer Math Magic Combinatorics Mathematics Miscellany Geometry Eye Opener Series Mathematics in Social Science Mathematical Droodles Analog Devices
<EM> (1)	Last updated: July 6, 2018

HTML headings and emphasis tags are the most basic forms to indicate important content.

Tips:
1. use your keywords in the headings and make sure the first level heading (<H1>) includes the most important keywords.
2. never duplicate the title tag content in the heading tags.
3. for more effective SEO, use only one <H1> tag per page

Reading Level

20.3

The page text content is a bit too difficult to be read and understood!

Ensure your page content text can be read and understood by most of your site visitors. not too difficult nor too simple.

Tips:
1. a score below 30, indicates the text content is too difficult to be read and understood.
2. a sore above 80, may suggest that the site is lack of in-depth and expertise of its topics (low quality content).
3. an optimal reading level score shall be 50-70.

Language

the website does not declare its language in use.

the detected language is : en

Declare the language in use can help search engine to better understand and rendering your page, especially when special characters are encountered.

Page Encoding

the website does not declare its character encoding.

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non-asii characters.

Favicon

Excellent! the website has a shortcut favicon image.

RSS

the website does not have a RSS Feed.

Robots.txt

http://cut-the-knot.org/robots.txt Excellent! the website has a Robots.txt file to regulate search engine crawlers access.

Robots.txt file can be used to regulate access of search engine crawlers, properly configured robots.txt file can help
crawlers to better understand your website.

Tips:
1. grand robots access to those pages you wish them to crawl.
2. restrict access to those pages you do not wish search engines to see and crawl.

XML Sitemap

http://cut-the-knot.org/sitemap.xml Excellent! the website has a XML Sitemap to guide search engine crawlers for indexing its pages.
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Sitemap helps search engine crawler to identify your website pages.

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1. ensure all your important pages are listed in the sitemap.
2. ensure to indicate the frequency of change and importance of each url.
3. inform search engines of the location/URL of your sitemap (eg, For Google, you can set the website sitemap location through Google Webmaster management panel).

Loading Time

0.23 seconds - 43.47 Kb/s

Excellent! the site is pretty fast and it takes less than 1 second to load.

Estimated loading time for different internet connections
Modem (56Kbits/s)	Mobile/HSDPAM (7.2Mbits/s)	ADSL (8Mbits/s)	Cable (30Mbits/s)	Optical Fibre (100Mbits/s)
1.43 s	0.01 s	0.01 s	0.00 s	0.80 ms

Site speed is becoming an crucial ranking factor. Slow page loading is one of the biggest complains of web users. If the loading time is too long, you may need to check your server, network, or system codes and structure.

Tips:
1. ideal loading time is less than 1 seconds, if it take more than 5 seconds to load your site, likely users will run out of patience, so do search engines.
2. improve your SEO by optimizing your website to have a small size and faster responding server.

Total Size

10 Kb (9,997 bytes)

The page is a bit too small, it may not have enough relevant content to rank well!

Page size affects the speed of your website.

Tips:
1. try to keep you page size between 30K-150K
2. put javascript and style sheet in separate files, and link them to the main page.
3. use optimized images for web and set up your server with gzip for downloading

Text To Code Ratio

Total Size	Text Size	HTML Code Size	Text/HTML Code Ratio
10 Kb (9,997 bytes)	6 Kb (6,285 bytes)	4 Kb (3,712 bytes)	169.32 %

The Text/HTML Code Ratio is a bit too high, it might be considered as spam by search engines.

the ratio of text to HTML code should always be above 15% for good SEO gain,
it is below 15% then that means that your website probably needs more text content.

Tips:
1. a ratio between 25% and 70% is ideal, when it goes beyond than that, the page might run the risk of being considered as spam. As long as the content is relevant and gives essential information, it is a plus point to have more of it.
2. improve your SEO by adding more relevant text to your pages and also increasing your keyword density.

Flash

Excellent! No flash component is detected on this page.

Flash content can not be properly indexed by search engines, and normally flash file is large in size, which slow down the loading of your page.

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1. avoid flash content whenever possible if you wish to have a fast and SEO friendly website.

Frame

Excellent! No frame is detected on this page.

Framesets and individual frames could cause problem for search engine to crawl your pages

Tips:
1. avoid frames whenever possible.
2. search engines do not like frames.
3. use iframe instead if you really have no choice.

Inline CSS

11 Inline CSS components are detected on this page.

It is a good practice to move inline CSS rules into an external CSS file in order to make your page lighter and increasing the text to code ratio.

Tips:
1. move inline css rules to external css file.
2. separate style from html.

Nested Table

5 nested tables are detected among the total 10 tables in this page.

nested tables could slow down page rendering and lead to bad user experience.

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1. avoiding <table> for your page layout.
2. using <div> instead of <table>.

Plain Text Email

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Redirect Count

Excellent! No redirection is detected for loading this page.

Using HTTPS

Excellent! HTTPS is used for your page.

WWW Resolve

the websites http://www.cut-the-knot.org and http://cut-the-knot.org DOES NOT resolved to the same url.

Search Engines treat URLs with or without "www" as two different records.

Tips:
1. edit your .htaccess file and permanently redirect one to the other (eg redirect www.mysite.com to mysite.com).

IP Canonicalization

IP address of the site http://107.180.50.227 is forwarded to http://107.180.50.227/, instead of to its domain name site cut-the-knot.org.

URL Rewrite

Non SEO Friendly URLs
http://www.cut-the-knot.org/cgi-bin/search/search.pl?Terms=droodle

You may use url rewrite techniques to make these 1 urls to be SEO friendly.

clean, short and relevant URLs are favoured by users and search engines

Tips:
1. use url rewrite to turn dynamic pages with query parameters into seo friendly static pages.
2. put your important keywords in the url.
3. good urls are not only user friendly but also seo friendly.

Underscore In URL

URLs with underscore
http://cut-the-knot.org/do_you_know/index.shtml
http://www.cut-the-knot.org/do_you_know/Cantor2.shtml
http://www.cut-the-knot.org/do_you_know/dimension.shtml
http://www.cut-the-knot.org/nim_st.shtml
http://www.cut-the-knot.org/do_you_know/misuse.shtml
http://www.cut-the-knot.org/do_you_know/AllPerm.shtml
http://www.cut-the-knot.org/do_you_know/3Utilities.shtml
http://cut-the-knot.org/awards_letters.shtml#SchoolZone
http://cut-the-knot.org/awards_letters.shtml#MERLOT

You have 9 Urls with underscore.

Search Engines treat hyphen as word separator, they do not treat underscore as word separator.

Tips:
1. use hyphen "-" instead of underscore "_" to optimize your page url.
2. help search engines to better understand your url, eventually will benefit your page`s ranking.

Links

Internal Links (link to pages within this domain)	External Links (link to pages on other websites)	Total
259	5	264

Too many links (264), it may be considered as spam!

Internal Links (link to pages within this domain) - 259
URL	Anchor Text
http://cut-the-knot.org/#	Site
http://cut-the-knot.org/changes.shtml	What's new
http://cut-the-knot.org/content.shtml	Content page
http://cut-the-knot.org/front.shtml	Front page
http://cut-the-knot.org/index.shtml	Index page
http://cut-the-knot.org/wanted.shtml	About
http://cut-the-knot.org/Privacy.shtml	Privacy policy
http://cut-the-knot.org/MathHelp.shtml	Help with math
http://cut-the-knot.org/#	Subjects
http://cut-the-knot.org/arithmetic.shtml	Arithmetic
http://cut-the-knot.org/algebra.shtml	Algebra
http://cut-the-knot.org/geometry.shtml	Geometry
http://cut-the-knot.org/probability.shtml	Probability
http://cut-the-knot.org/WhatIs/WhatIsTrigonometry.shtml	Trigonometry
http://cut-the-knot.org/VisualIllusions.shtml	Visual illusions
http://cut-the-knot.org/#	Articles
http://cut-the-knot.org/ctk/index.shtml	Cut the knot!
http://cut-the-knot.org/WhatIs/index.shtml	What is what?
http://cut-the-knot.org/Generalization/epairs.shtml	Inventor's paradox
http://cut-the-knot.org/language/index.shtml	Math as language
http://cut-the-knot.org/m/ProblemSolving.shtml	Problem solving
http://cut-the-knot.org/#	Collections
http://cut-the-knot.org/Outline/index.shtml	Outline mathematics
http://cut-the-knot.org/books/Reviews/index.shtml	Book reviews
http://cut-the-knot.org/Curriculum/index.shtml	Interactive activities
http://cut-the-knot.org/do_you_know/index.shtml	Did you know?
http://cut-the-knot.org/pythagoras/tricky.shtml	Eye opener
http://cut-the-knot.org/pythagoras/ellipse.shtml	Analogue gadgets
http://cut-the-knot.org/proofs/index.shtml	Proofs in mathematics
https://www.cut-the-knot.org/impossible/index.shtml	Things impossible
http://cut-the-knot.org/glossary/atop.shtml	Index/Glossary
http://cut-the-knot.org/#	Simple math
http://cut-the-knot.org/arithmetic/rapid/index.shtml	Fast Arithmetic Tips
http://cut-the-knot.org/ForYoung/Introduction.shtml	Stories for young
http://cut-the-knot.org/arithmetic/WProblem.shtml	Word problems
http://cut-the-knot.org/games.shtml	Games and puzzles
http://cut-the-knot.org/logo.shtml	Our logo
http://cut-the-knot.org/Curri...hmetic/MakeIdentity/index.shtml	Make an identity
http://cut-the-knot.org/Curri.../index.shtml#ElementaryGeometry	Elementary geometry
https://www.cut-the-knot.org/
http://www.cut-the-knot.org/arithmetic.shtml	Arithmetic
http://www.cut-the-knot.org/recurrence/conversion.shtml	Base Conversion
http://www.cut-the-knot.org/blue/divisibility.shtml	Divisibility Criteria
http://www.cut-the-knot.org/blue/EuclidAlg.shtml	Euclid's Game
http://www.cut-the-knot.org/arithmetic/rapid/index.shtml	Fast Arithmetic Tips
http://www.cut-the-knot.org/water2.shtml#HourGlass	Hour glass timing
http://www.cut-the-knot.org/C...culum/Magic/MagicInSquare.shtml	Magic in Square
http://www.cut-the-knot.org/C...hmetic/MakeIdentity/index.shtml	Make an Identity
http://www.cut-the-knot.org/blue/Napier.shtml	Napier Bones
http://www.cut-the-knot.org/blue/Cards.shtml	Number Guessing Game
http://www.cut-the-knot.org/Outline/index.shtml#Arithmetic	Arithmetic Word Problems
http://www.cut-the-knot.org/Outline/index.shtml#practice	Online practice
http://www.cut-the-knot.org/C...rriculum/index.shtml#arithmetic	And much much more ...
http://www.cut-the-knot.org/games.shtml	Mathematics Games & Puzzles
http://www.cut-the-knot.org/ctk/Water.shtml	Three Jugs Problem
http://www.cut-the-knot.org/SimpleGames/PickLabel.shtml	Box Labels
http://www.cut-the-knot.org/SimpleGames/SoupFish.shtml	Fish Soup game
http://www.cut-the-knot.org/ctk/GoatCabbageWolf.shtml	Goat, Cabbage and Wolf
http://www.cut-the-knot.org/recurrence/flavius.shtml	Josephus Flavius' problem
http://www.cut-the-knot.org/C...m/Games/MastermindVariant.shtml	Mastermind Variants
http://www.cut-the-knot.org/proofs/pegsolitaire.shtml	Peg Solitaire
http://www.cut-the-knot.org/recurrence/Scoring.shtml	Scoring
http://www.cut-the-knot.org/SimpleGames/FrogsAndToads.shtml	Toads And Frogs Puzzle
http://www.cut-the-knot.org/S...mpleGames/FrogsAndToads2D.shtml	Toads And Frogs in 2D
http://www.cut-the-knot.org/recurrence/hanoi.shtml	Tower of Hanoi
http://www.cut-the-knot.org/C...culum/Games/TrominoPuzzle.shtml	Tromino Puzzle
http://www.cut-the-knot.org/games.shtml	And much much more ...
http://www.cut-the-knot.org/Curriculum/index.shtml#logic	Logic
http://www.cut-the-knot.org/LewisCarroll/LCGame.shtml	Lewis Carroll's Logic Game
http://www.cut-the-knot.org/LewisCarroll/VennDiagrams.shtml	Venn Diagrams
http://www.cut-the-knot.org/Outline/index.shtml#logic	Logic Word Problems
http://www.cut-the-knot.org/Curriculum/index.shtml#logic	And more ...
http://www.cut-the-knot.org/Curriculum/index.shtml#f	Fractals & Chaos
http://www.cut-the-knot.org/C...riculum/Magic/MandelCycle.shtml	Color Cycling on Mandelbrot
http://www.cut-the-knot.org/blue/chaos.shtml	Emergence of Chaos
http://www.cut-the-knot.org/C...um/Geometry/PeanoComplete.shtml	All Peano Curves
http://www.cut-the-knot.org/do_you_know/Cantor2.shtml	Cantor sets
http://www.cut-the-knot.org/C...culum/Algebra/DotPatterns.shtml	Pascal Triangle
http://www.cut-the-knot.org/do_you_know/dimension.shtml	Fractal Curves and Dimension
http://www.cut-the-knot.org/Curriculum/Geometry/ifs.shtml	Iterated Function Systems
http://www.cut-the-knot.org/C...ebra/MandelbrotIterations.shtml	Iterations in Mandelbrot Set
http://www.cut-the-knot.org/C...lum/Algebra/JuliaIndexing.shtml	Julia Sets
http://www.cut-the-knot.org/C...lum/Algebra/LogisticModel.shtml	Logistic Model
http://www.cut-the-knot.org/C...ometry/PlaneFillingCurves.shtml	Plane Filling Curves
http://www.cut-the-knot.org/Curriculum/Geometry/Tremas.shtml	Sierpinski Gasket
http://www.cut-the-knot.org/C...iculum/Geometry/StringFSM.shtml	Toying with Tremas
http://www.cut-the-knot.org/Curriculum/index.shtml#f	And more ...
http://www.cut-the-knot.org/Curriculum/index.shtml#Fallacies	Fallacies
http://www.cut-the-knot.org/C...um/Fallacies/CurryParadox.shtml	Curry's Paradox
http://www.cut-the-knot.org/Curriculum/Geometry/Delian.shtml	Delian Problem Solved
http://www.cut-the-knot.org/C.../Fallacies/FibonacciCheat.shtml	A Faulty Dissection
http://www.cut-the-knot.org/C.../Fallacies/LangmanParadox.shtml	Langman's Paradox
http://www.cut-the-knot.org/C...ulum/Fallacies/SamLoydSon.shtml	Sam Loyd's Son's Dissection
http://www.cut-the-knot.org/C...ulum/Fallacies/GeoFallacy.shtml	Rouse Ball's Fallacy
http://www.cut-the-knot.org/Curriculum/index.shtml#Fallacies	And more ...
http://www.cut-the-knot.org/Curriculum/index.shtml#calculus	Calculus
http://www.cut-the-knot.org/C...lum/Calculus/StraightLine.shtml	Equations of the Straight Line
http://www.cut-the-knot.org/C...ulum/Calculus/CubicSpline.shtml	Function, Derivative and Integ...
http://www.cut-the-knot.org/C...lus/LagrangeInterpolation.shtml	Lagrange Interpolation
http://www.cut-the-knot.org/C...ulum/Calculus/RiemannSums.shtml	Riemann Sums
...

External Links (link to pages on other websites) - 5
URL	Anchor Text
https://twitter.com/cuttheknotmath	Twitter
https://www.facebook.com/alexander.bogomolny	Facebook
https://www.amazon.com/Cut-Kn...exander-Bogomolny/dp/157955041X
https://www.amazon.com/Cut-Kn...exander-Bogomolny/dp/157955041X	Buy on Amazon
https://medium.com/incerto/maestro-bogomolny-8498f08c0f0c	Nassim Nicholas Taleb's post

reasonable number of links (below 100) per page will give a better user experience.

Tips:
1. keep the number of links per page below 100.
2. having more than 100 links in a single page will lead to a bad user experience, and it possibly runs into the risk of been considered as spam.
3. search engines may not follow all the links if you have too many of them in a single page.

Images

Total Images	Alt Present	Alt Missing
8	6	2

2 images do not have Alt values.

Image URL - 8
URL	ALT Text
http://cut-the-knot.org/gifs/ctklogo.png	ctklogo.png
http://cut-the-knot.org/alex.jpg	Alex
http://cut-the-knot.org/CTKBook2020thumb.png	book
http://cut-the-knot.org/./gifs/VerySmallFront.gif	Let Them Count by Eli and Davi...
http://cut-the-knot.org/./gifs/SchoolZone.gif
http://cut-the-knot.org/./gifs/2003sm_web_awds.gif	Scientific American 2003 Sci/T...
http://cut-the-knot.org/./gifs/MERLOT-classics-2004.gif	MERLOT Classics Award 2004
http://cut-the-knot.org/gifs/tbow_sh.gif

search engines cannot `see` images, proper Alt content will help them to better understand and index images.

Tips:
1. always add alt attributes to images. Alt is mandatory for accessibility and for valid XHTML.
2. words used within an image`s Alt attribute should be its text equivalent and convey the same information.
3. use a human-readable caption and descriptive text around the image.

CSS

Style Block In Same Page	Links to External Style Files	Total
1	2	3

You have 1 style blocks in the same file, try to put them in a separate file.

Links To External Stylesheet Files - 2
Stylesheet URL	rel	type
http://cut-the-knot.org/assets/bootstrap.min.css	stylesheet
http://cut-the-knot.org/assets/jquery.smartmenus.bootstrap.css	stylesheet

Script

Scripts Block In Same Page	Links to External Script Files	Total
8	7	15

Too many (7) external scripts files , it will slow down the downlaoding.

Links To External Script Files - 7
Script URL	Type

http://cut-the-knot.org/walLoad.js
http://code.jquery.com/jquery-1.9.1.min.js	text/javascript
http://cut-the-knot.org/assets/jquery-2.1.0.min.js	text/javascript
http://cut-the-knot.org/assets/bootstrap.min.js	text/javascript
http://cut-the-knot.org/assets/jquery.smartmenus.js	text/javascript
http://cut-the-knot.org/assets/jquery.smartmenus.bootstrap.js	text/javascript

put scripts together and link them from an external files rather then put them in the same file as the main page.

Tips:
1. reduce the use of in-page scripts, put them in separate files and link them in.
2. reduce the number of external script files, it will help browser to make lesser number of http requests from the server.
3. optimize or compress the script files to have smaller size and faster loading.

Blog Or News Release

There is no Blog associated with your site.

Having a blog is a great way to provide fresh content and retain users, search engines favour it too.

Tips:
1. regularly update your blog and provide fresh and quality content.
2. relevant blogs of your website topics, generate more credits in the eyes of your visitors, as well as search engines.

DMOZ Listing

Yes

Excellent! the website is listed in the DMOZ open directory. DMOZ Open Directory Project

Google Analytics

Analytics Service is not implemented for the site.

Google Page Rank

6 Excellent! the website has a high page rank (6/10).

0 - 1	2 - 3	4 - 10
6
Poor	Good	Excellent

Social Engagement

Your site has a fair social media engagement, which can be improved though.

Facebook Likes 81

Facebook Shares 284

Facebook Comments 37

Tweets 5

LinkedIn 8

Social Media Integration

Excellent! your site is well integrated with social media networks.

Facebook Page	https://www.facebook.com/alexander.bogomolny
Twitter Account	https://twitter.com/cuttheknotmath
Google+ Page	Not Found

Trustworthiness

94

Excellent! the website has a good Trustworthiness Score (94/100).

0 - 19	20 - 39	40 - 59	60 - 79	80 - 100
94
Very Poor	Poor	Unsatisfactory	Good	Excellent

Users are concerned about the safety of their online transactions. Trustworthiness rating is based on real user ratings and that tells you how much other users trust this site, so do the serch engines. note: this trustworthiness score is provided by WOT (Web of Trust).

Tips:
1. pay attention to the look and design of your site, many people look for visual cues when assessing a site`s credibility
2. make your site easy to use, sites that are easy to navigate are perceived as being more trustworthy.
3. make it easy for user to contact you, users will be more comfortable and feel more secured shall they need to get in touch with you.

Child Safe

95 Excellent! the website has a good Child Safe Score (95/100).

0 - 19	20 - 39	40 - 59	60 - 79	80 - 100
95
Very Poor	Poor	Unsatisfactory	Good	Excellent

Safe Browsing

Safe! the site cut-the-knot.org is NOT currently listed as suspicious, most-likely it is clean from malware and phining code [ verify this by Google Safe Browsing ]

Ensure that your site is malware free and does not cause harm to users` computers.

Tips:
1. do not put virus, malicious worms, adwares, trojans, spywares and suspicious phishing code in your server.
2. take suspicious behaviours seriously, have a regular check-up and monitor closely of your server`s log files.
3. if your site is black-listed by Google as suspicious, clean it up before requesting for a review.

Traffic Rank

107,092^th most visited website in the world.
your site has an excellent high traffic rank in the world.

Websites On Same Server

Excellent! You do have very few domains (5 - cut-the-knot.org, gatocrane.com, doublelkigerranch.com, iconseattlehomes.com, delreynut.com) hosted on the same server as cut-the-knot.org (ip : 107.180.50.227).

Too many domains hosted on the same server is an indicator that you are not really serious about your website, and your site will have a higher chance to be surrounded by bad neighbours.

Tips:
1. the fewer domains hosted on the same server/ip the better.
2. avoid shared hosting whenever possible, especially when there are already hundreds or thousands of sites are hosted on the same server.
3. dedicated ip or resources for your site not only do good to your site visitors but also favoured by search engines.

Server Location

your server (IP : 107.180.50.227) is located at United States

ensure your server is not located far away from most of your site visitors.

HTTP Compression

No

your website server does not support HTTP Compression.

Caching

No

your website server does not support Caching.

Server Signature

Excellent! the website server signature is off.

A secure and safe server is not only good for your site visitors but also good for search engines.

Tips:
1. server software version information can be utilized by malicious visitors to attack your server.
2. by turning off the server signature, you actually have made your server a little bit more secure.
3. for Apache server - edit the apache2.conf or the .htaccess file to turn server signature off.

Domain Age

23 years, 160 days old ( 1st registered on : 2001-06-11 )

[ To check the detailed whois info, Use this Whois Lookup Tool ]

excellent, the domain age is old enough.

Domain Expires

0 years, 353 days from today ( expires on : 2025-11-06 )

[ To check the detailed whois info, Use this Whois Lookup Tool ]

domain is expiring in less than a year.

Domain Info

cut-the-knot.org ( 16 characters )

Domain Registrar : Public Interest Registry

[ To check the detailed whois info, Use this Whois Lookup Tool ]

Domain Created On	Last Modified On	Expires On
2001-06-11	2024-07-27	2025-11-06
23 years, 160 days old	0 years, 113 days ago	0 years, 353 days from today

23 years, 160 days old

Domain Name Servers used by cut-the-knot.org
DNS Name	IP Address
ns55.domaincontrol.com	97.74.107.28
ns56.domaincontrol.com	173.201.75.28

Domain is going to expire in less than a year time (0 years, 353 days from today), try to renew it for more than one year!

domain name choice and domain age are crucial for SEO.

Tips:
1. keep the domain name short and relevant to the content, which will be easier to be remembered and related to.
2. older domain tends to be more trustworthy.
3. register a domain for more than 1 year, and search engine will think it is a serious business.

cut-the-knot.org

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