Mathworld.wolfram.com - SEO Checker

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Overview of the SEO Check
Meta information
71% 
Page quality
45% 
Page structure
79% 
Link structure
100% 
Server
9% 
External factors
100% 
SEO Score
Response time
0.94 s
File size
28.40 kB
Words
93
Media files
15
Number of links
18 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Wolfram MathWorld: The Web's Most Extensive Mathematics Resource
The page title should be shorter than 580 pixels. It is 640 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.
The length of the meta description is perfect. (919 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://mathworld.wolfram.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The character encoding is not specified.
The character encoding is not specified in the HTTP header.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
descriptionComprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.
viewportwidth=device-width, initial-scale=1
langen
twitter:cardsummary_large_image
twitter:site@WolframResearch
twitter:titleWolfram MathWorld: The Web's Most Extensive Mathematics Resource
twitter:descriptionComprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.
twitter:image:srchttps://mathworld.wolfram.com/images/socialmedia/share.png
og:imagehttps://mathworld.wolfram.com/images/socialmedia/share.png
og:urlhttps://mathworld.wolfram.com/
og:typewebsite
og:titleWolfram MathWorld: The Web's Most Extensive Mathematics Resource
og:descriptionComprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.
x-ua-compatibleie=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 93 words on this page. Use at least 250 words to provide useful information.
Only 1 paragraph/s was/were found on this page.
23.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 8 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
/images/header/search-icon.pngSearchSearch
/images/frontpage/algebra.pngx^2-1x^2-1
/images/frontpage/foundations-math.pngaddition, subtraction, multiplication, divisionaddition, subtraction, multiplication, division
/images/frontpage/probability.pngprobability curveprobability curve
/images/frontpage/applied-math.pngapplied math chartapplied math chart
/images/frontpage/geometry.pngtriangletriangle
/images/frontpage/recreational-math.pngcubecube
/images/frontpage/calculus.pngcalculus functioncalculus function
/images/frontpage/history.pngFibonacci spiralFibonacci spiral
/images/frontpage/topology.pngtopology knottopology knot
/images/frontpage/discrete-math.png{...}{...}
/images/frontpage/num-theory.pngN1N1
/images/frontpage/new-in-mw.pngMathWorld logoMathWorld logo
/images/wolframalpha/WA-logo.pngWolframAlphaWolframAlpha
/images/footer/wolfram-logo.pngWolframWolfram

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H3 Algebra
H3 Foundations of Mathematics
H3 Probability and Statistics
H3 Applied Mathematics
H3 Geometry
H3 Recreational Mathematics
H3 Calculus and Analysis
H3 History and Terminology
H3 Topology
H3 Discrete Mathematics
H3 Number Theory
H3 New in MathWorld
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 9 external links on this page.

Found links on this page

LinkAttributesAnchor text
/topics/Algebra.htmlAlgebra
IMG-ALT x^2-1
/topics/FoundationsofMathemati...Foundations of Mathematics
IMG-ALT addition, subtraction, multiplication, division
/topics/ProbabilityandStatisti...Probability and Statistics
IMG-ALT probability curve
/topics/AppliedMathematics.htmlApplied Mathematics
IMG-ALT applied math chart
/topics/Geometry.htmlGeometry
IMG-ALT triangle
/topics/RecreationalMathematic...Recreational Mathematics
IMG-ALT cube
/topics/CalculusandAnalysis.htmlCalculus and Analysis
IMG-ALT calculus function
/topics/HistoryandTerminology....History and Terminology
IMG-ALT Fibonacci spiral
/topics/Topology.htmlTopology
IMG-ALT topology knot
/topics/DiscreteMathematics.htmlDiscrete Mathematics
IMG-ALT {...}
/topics/NumberTheory.htmlNumber Theory
IMG-ALT N1
/whatsnew/New in MathWorld
IMG-ALT MathWorld logo
/about/author.htmlEric Weisstein
https://www.wolframalpha.com/c...New window External Subdomain Online Integral Calculator
https://www.wolframalpha.com/c...New window External Subdomain Online Derivative Calculator
/about/About MathWorld
/classroom/MathWorld Classroom
/contact/Contribute
https://www.amazon.com/exec/ob...New window External Subdomain MathWorld Book
https://www.wolfram.com/New window External Subdomain wolfram.com
/whatsnew/13,205 Entries
/whatsnew/Last Updated: Thu Oct 10 2024
https://www.wolfram.com/New window External Subdomain ©1999–2024 Wolfram Research, Inc.
https://www.wolfram.com/legal/...New window External Subdomain Terms of Use
https://www.wolfram.com/New window External Subdomain IMG-ALT Wolfram
https://www.wolfram.com/New window External Subdomain Text duplicate wolfram.com
https://www.wolfram.com/educat...New window External Subdomain Wolfram for Education

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://mathworld.wolfram.com/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time of 0.94 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 8 JavaScript files. This may affect the load time negatively.
This page only loads 2 CSS files. That's ok.
The file size of the HTML document is fine (28 kB).

HTTP Response Header

NameValue
dateFri, 11 Oct 2024 22:11:33 GMT
serverApache
set-cookie105 Characters
accept-rangesbytes
transfer-encodingchunked
content-typetext/html
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 21,246 referring domains.
This page has 1,698,247 backlinks.
This page has backlinks from 14,135 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

#
# Bulk downloading of these pages is not permitted for the purposes of
# making archival copies.  See
#
#   https://www.wolfram.com/legal/terms/mathworld.html
#
# for additional details
#

# disable indexing of random page
User-Agent: *
Disallow: /random.html

Sitemap: https://mathworld.wolfram.com/sitemap.xml

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Search preview

mathworld.wolfram.com
Wolfram MathWorld: The Web's Most Extensive Mathematics Resource
Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
mathematics65%Check
MathWorld65%Check
Wolfram MathWorld64%Check
wolfram63%Check
extensive mathematics63%Check
extensive mathematics resource58%Check
extensive56%Check
Applied Mathematics55%Check
World Book50%Check
web46%Check
Show more keywords and terms

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