Plus.maths.org - SEO Checker

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Overview of the SEO Check
Meta information
69% 
Page quality
75% 
Page structure
67% 
Link structure
90% 
Server
73% 
External factors
100% 
SEO Score
Response time
0.17 s
File size
38.10 kB
Words
659
Media files
21
Number of links
47 internal / 1 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Welcome to Plus! | plus.maths.org
The title contains the word Welcome to! More content should be covered in the title.
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://plus.maths.org/content/
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 charset encoding (UTF-8) is set correctly.
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)
The favicon is linked correctly.

Meta tags

NameValue
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
theme-color#9A7A9F
langen
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 659 words. That's ok.
42.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
17 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 12.72 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 10 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 13 tags for this page.
Image SEO
(Somewhat important)
14 images have no alt attribute. The content of alt attributes is used by search engines.
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
...ent/themes/custom/bootplus5/pluslogo.svgplus logo
...c/cover image_carousel.jpg?itok=fkq1Vob-No alt attribute provided
...uge/public/carousel_11.png?itok=OsQf52GgNo alt attribute provided
...e/public/carousel_22_0.jpg?itok=S17kfpeHNo alt attribute provided
...uge/public/carousel_29.jpg?itok=R1OEjVeNNo alt attribute provided
...e/public/race_carousel.jpg?itok=-iAuYTZqNo alt attribute provided
...pseudosphere3_carousel.png?itok=GPfwGLfUNo alt attribute provided
...public/graham_carousel.jpg?itok=3Psu09WbNo alt attribute provided
...ublic/vaccine_carousel.jpg?itok=f12jg0W4No alt attribute provided
...uge/public/carousel_11.jpg?itok=tdlXJGEkNo alt attribute provided
...blic/golden_carousel_0.png?itok=sr_-W8u1No alt attribute provided
...frontpage_0.jpg?h=1c7b55f3&itok=U7K2_4w1No alt attribute provided
...ure square.jpeg?h=d0998d0f&itok=AVrwP9Rrmeasuring tape
...frontpage_0.jpg?h=1c7b55f3&itok=55MYFKZlNo alt attribute provided
...7/KochFlake.png?h=6c83441f&itok=jpe6finbkoch snowflake
...frontpage_1.jpg?h=1c7b55f3&itok=Lm261zUuNo alt attribute provided
...h_frontpage.png?h=1c7b55f3&itok=tIGdtTeiNo alt attribute provided
..._476807466.jpeg?h=a2e9ff4d&itok=_or_g5j5chickens
.../Stock Top.jpeg?h=7411a672&itok=kVmlMALpSpinning Top
...d4418195575b55-39bd0b.jpeg?itok=JZ8dUqHjPlus newsletter screenshot
...ustom/bootplus5/cam-logo-small-trans.pngCambridge University logo

Page structure

H1 heading
(Critically important)
Plus.Maths.org
The H1 heading is too short (14 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Plus.Maths.org
H2 Groups: the basics
H2 How to (im)prove mathematics
H2 Artificial intelligence and deep learning: Your questions answered
H2 The murmuration conjecture: finding new maths with AI
H2 GO-Science National Numeracy Day challenge!
H2 What is a square?
H2 Too big to write but not too big for Graham
H2 The COVID-19 vaccines: Your questions answered
H2 Counting rose petals
H2 Myths of maths: The golden ratio
H3 Groups today: a whistle-stop tour
H3 Maths in a minute: Measure
H3 The secret to a happy summer: Seville, causality and staircases!
H3 How to compute the dimension of a fractal
H3 On the mathematical frontline: Modelling behaviour
H3 Moduli spaces: A journey into the world of shapes
H3 Beating bird flu with maths
H3 Maths in a Minute: Group actions
H5 Empty heading
H5 Main navigation
H5 Secondary menu
H5 Secondary menu Duplicate text
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 1 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://plus.maths.org/content/Anchor Skip to main content
https://plus.maths.org/IMG-ALT plus logo
/content/searchSearch
/content/about-plusAbout
/content/support-plusSupport
/content/plus-sponsorsSponsors
/content/subscribe-plusSubscribe
/content/terms-use-and-noticesTerms of use
https://plus.maths.org/content/Home
/content/articleArticles
A-TITLE news features columns and opinions
/content/packageCollections
A-TITLE Packages
/content/podcastPodcasts
A-TITLE Podcasts
/content/puzzlePuzzles
/content/reviewDiscover
A-TITLE Book film and other reviews
/content/tags/videoVideos
/content/user/loginLogin
/content/searchText duplicate Search
/content/about-plusText duplicate About
/content/support-plusText duplicate Support
/content/plus-sponsorsText duplicate Sponsors
/content/subscribe-plusText duplicate Subscribe
/content/terms-use-and-noticesText duplicate Terms of use
/content/groups-basicsGroups: the basics
/content/how-improve-mathematicsHow to (im)prove mathematics
/content/artificial-intelligen...Artificial intelligence and deep learning: Your questions answered
/content/murmuration-conjectur...The murmuration conjecture: finding new maths with AI
/content/go-science-national-n...GO-Science National Numeracy Day challenge!
/content/what-squareWhat is a square?
/content/too-big-write-not-too...Too big to write but not too big for Graham
/content/covid-19-vaccines-you...The COVID-19 vaccines: Your questions answered
/content/counting-rose-petalsCounting rose petals
/content/myths-maths-golden-ratioMyths of maths: The golden ratio
/content/groups-today-whistle-...Groups today: a whistle-stop tour
/content/maths-minute-measureMaths in a minute: Measure
/content/secret-happy-summer-s...The secret to a happy summer: Seville, causality and staircases!
/content/how-compute-dimension...How to compute the dimension of a fractal
/content/mathematical-frontlin...On the mathematical frontline: Modelling behaviour
/content/moduli-spaces-journey...Moduli spaces: A journey into the world of shapes
/content/beating-bird-flu-0Beating bird flu with maths
/content/miam-minute-group-act...Maths in a Minute: Group actions
/content/subscribe-plusText duplicate Subscribe
http://www.cam.ac.uk/External Subdomain IMG-ALT Cambridge University logo
/content/searchText duplicate Search
/content/about-plusText duplicate About
/content/support-plusText duplicate Support
/content/plus-sponsorsText duplicate Sponsors
/content/subscribe-plusText duplicate Subscribe
/content/terms-use-and-noticesText duplicate Terms of use

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://plus.maths.org/content/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
This page loads 4 CSS files. This may affect the page load time negatively.
This page loads 10 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.17 seconds.
The file size of the HTML document is fine (38 kB).

HTTP Response Header

NameValue
dateThu, 29 Aug 2024 15:00:31 GMT
serverApache/2.4.41 (Ubuntu)
cache-controlmust-revalidate, no-cache, private
x-drupal-dynamic-cacheMISS
content-languageen
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheHIT
varyAccept-Encoding
content-encodinggzip
content-security-policyframe-ancestors 'self' sport.maths.org;
content-length8175
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 188 referring domains.
This page has 36,495 backlinks.
This page has backlinks from 172 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /content/blog/2007/ # load of dodgy URLs floating about
Disallow: /content/blog/2008/
Disallow: /content/blog/2009/
Disallow: /content/blog/2010/
Disallow: /content/blog/latestnews/
Disallow: /content/admin
Disallow: /content/printpdf/
Disallow: /content/*25252525*

Similar sites

Search preview

plus.maths.org › content
Welcome to Plus! | plus.maths.org

Most important keywords

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

KeywordResultRecheck
Maths73%Check
org69%Check
Maths minute58%Check
Group44%Check
Groups43%Check
Day43%Check
ratio43%Check
minute43%Check
Golden Ratio43%Check
Secondary43%Check
Show more keywords and terms

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