Mathdf.com - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
58% 
Page structure
100% 
Link structure
93% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.10 s
File size
67.60 kB
Words
1756
Media files
13
Number of links
18 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Step-by-step calculators - MathDF
The length of the page title is perfect. (307 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Step-by-step calculators for definite and indefinite integrals, equations, inequalities, ordinary differential equations, limits, matrix operations and derivatives. Detailed explanation of all stages of a solution!
The meta description is too long: 1244 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://mathdf.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)
The specified alternate links have no errors.
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)
The domain is no subdomain.
The domain length is good.
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
descriptionStep-by-step calculators for definite and indefinite integrals, equations, inequalities, ordinary differential equations, limits, matrix operations and derivatives. Detailed explanation of all stages of a solution!
keywordscalculators, integrals, ordinary differential equations, derivatives, limits, matrices, equations
robotsindex, follow
viewportwidth=device-width, initial-scale=1
csrf-tokend75735b5e4
theme-color#3c3c3c
langen
og:site_nameMathDF
og:titleStep-by-step calculators - MathDF
og:typewebsite
og:urlhttps://mathdf.com/
og:imagehttps://mathdf.com/logo/og_image.png
og:image:width256
og:image:height256
og:descriptionStep-by-step calculators for definite and indefinite integrals, equations, inequalities, ordinary differential equations, limits, matrix operations and derivatives. Detailed explanation of all stages of a solution!
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
The average number of words per sentence of 1726 words is high.
This page contains 1756 words. That's ok.
14.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
50 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 35 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
https://mathdf.com/logo/logo_icon.svglogo
https://mathdf.com/logo/legend.svgMathDF
https://mathdf.com/logo/theme.svgtheme
https://mathdf.com/logo/menu.svgmenu
https://mathdf.com/logo/close.svgclose
/logo/arrow-right-short.svgto
https://mathdf.com/logo/calculator.svgcalculator
https://mathdf.com/logo/back.svgback
https://mathdf.com/logo/clock.svghistory
https://mathdf.com/logo/function.svgfunctions
https://mathdf.com/logo/backspace.svgclear
/logo/arrow-left-right.svginverse
/logo/arrow-left-right.svginverse

Page structure

H1 heading
(Critically important)
Step-by-step calculators:
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Step-by-step calculators:
H2 Ordinary differential equations
H2 Indefinite and definite integrals
H2 Equations
H2 Derivative of a function
H2 Limit of a function
H2 Complex numbers
H2 Matrix calculations
H2 Numerical calculator
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 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://mathdf.com/IMG-ALT logo
https://mathdf.com/int/Integrals
https://mathdf.com/equ/Equations
https://mathdf.com/lim/Limit of a function
https://mathdf.com/der/Derivative of a function
https://mathdf.com/dif/Ordinary differential equations
https://mathdf.com/com/Complex numbers
https://mathdf.com/calc/Numerical calculator
https://mathdf.com/mat/Matrix calculations
https://mathdf.com/dif/Text duplicate Ordinary differential equations
https://mathdf.com/int/Indefinite and definite integrals
https://mathdf.com/equ/Text duplicate Equations
https://mathdf.com/der/Text duplicate Derivative of a function
https://mathdf.com/lim/Text duplicate Limit of a function
https://mathdf.com/com/Text duplicate Complex numbers
https://mathdf.com/mat/Text duplicate Matrix calculations
https://mathdf.com/calc/Text duplicate Numerical calculator
https://www.facebook.com/share...New window Nofollow External Subdomain A-TITLE Share on Facebook
https://twitter.com/intent/twe...New window Nofollow External A-TITLE Share on Twitter
https://mathdf.com/privacy/Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://mathdf.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.10 seconds.
The file size of the HTML document is fine (68 kB).

HTTP Response Header

NameValue
dateSun, 25 Aug 2024 14:01:21 GMT
content-typetext/html; charset=UTF-8
set-cookie44 Characters
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate
pragmano-cache
varyAccept-Encoding
alt-svch3=":443"; ma=86400
x-frame-optionsSAMEORIGIN
strict-transport-securitymax-age=15552000; includeSubDomains; preload
referrer-policystrict-origin-when-cross-origin
cf-cache-statusDYNAMIC
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=yspU81b4dSSV1pLH3Zz%2Fu%2BH81txcm%2Fg737KfsNizn%2Fa3QOrq2GMibESiJyEdcr5SN58fBm%2BkPdCHMceSyYlciDRgWOTHs4Y614TDBD5o%2BWYZLr8OhSNYhGre4%2BE%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-content-type-optionsnosniff
servercloudflare
cf-ray8b8c1d13bf3a3835-FRA
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 240 referring domains.
This page has 1,393 backlinks.
This page has backlinks from 117 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *

Disallow: /langs/
Disallow: /nlangs/

Sitemap: https://mathdf.com/sitemap.xml

Similar sites

Search preview

mathdf.com
Step-by-step calculators - MathDF
Step-by-step calculators for definite and indefinite integrals, equations, inequalities, ordinary differential equations, limits, matrix operations and derivatives. Detailed explanation of all stages of a solution!

Most important keywords

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

KeywordResultRecheck
calculator81%Check
Step-by-step73%Check
calculators73%Check
Step-by-step calculators73%Check
MathDF56%Check
Equations54%Check
differential equations54%Check
Ordinary differential equations53%Check
int50%Check
lim50%Check
Show more keywords and terms

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Cookie Policy

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