Integral-calculator.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
84% 
Page structure
99% 
Link structure
25% 
Server
97% 
External factors
100% 
SEO Score
Response time
0.06 s
File size
75.80 kB
Words
1148
Media files
11
Number of links
2 internal / 16 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Integral Calculator • With Steps!
The length of the page title is perfect. (288 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Solve definite and indefinite integrals (antiderivatives) using this free online calculator. Step-by-step solution and graphs included!
The length of the meta description is perfect. (795 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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
descriptionSolve definite and indefinite integrals (antiderivatives) using this free online calculator. Step-by-step solution and graphs included!
keywordsintegral calculator, integral, antiderivative, calculator, function, online, steps, step by step integration, symbolic integration
msapplication-tap-highlightno
langen
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 1148 words. That's ok.
40.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
18 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 13.97 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
This page loads 4 JavaScript files. This may affect the load time negatively.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 104 characters this one is longer than 70 characters:
"the integral calculator lets you calculate integrals and antiderivatives of functions online — for free!"
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
...,q1715417526.pagespeed.ce.6KT3bkhnbq.pngLogo
...,q1715417188.pagespeed.ce.-e31iyvpVE.pngLogo
.../lang-es.png.pagespeed.ce._2Yehbxb5k.pngEspañol
...lang-de.png.pagespeed.ic.PZgg6pOrw8.webpDeutsch
...lang-ru.png.pagespeed.ic.scH72OjxIp.webpРусский
...,q1715180297.pagespeed.ce.Ca-YaiWJEY.pngIntegral sign
...,q1712911978.pagespeed.ce.185EeHJp_v.pngTeX
...,q1715180359.pagespeed.ce.Mm5Nrnr-3-.png⚠️
...q1715233717.pagespeed.ic.MbbOuS23zt.webpDavid Scherfgen
...,q1713428840.pagespeed.ce.QLFFLGfCA_.pngLoading ...
...,q1715177555.pagespeed.ce.wfwqfjtAFt.pngHow the Integral Calculator works

Page structure

H1 heading
(Critically important)
Integral Calculator
The H1 heading is too short (19 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Integral Calculator
H2 Calculate integrals online — with steps and graphing!
H3 Calculate the Integral of ...Enter your own Answer:
H3 Support
H3 Result Loading ...
H3 How the Integral Calculator Works
This page seems to be an entry page, because only very few links were found.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 16 external links on this page.

Found links on this page

LinkAttributesAnchor text
/New window IMG-ALT Logo
https://www.derivative-calcula...New window External Subdomain Derivative Calculator
IMG-ALT Logo
https://www.calculadora-de-int...New window External Subdomain Calculadora de Integrales
IMG-ALT Español
https://www.integralrechner.de/New window External Subdomain Integralrechner
IMG-ALT Deutsch
https://www.integral-calculato...New window External Subdomain Калькулятор Интегралов
IMG-ALT Русский
https://www.paypal.com/donate/...New window Nofollow External Subdomain Donate
https://en.wikipedia.org/wiki/...New window Nofollow External Subdomain parser
https://en.wikipedia.org/wiki/...New window Nofollow External Subdomain order of operations
https://en.wikipedia.org/wiki/...New window Nofollow External Subdomain JavaScript
https://en.wikipedia.org/wiki/...New window Nofollow External Subdomain Shunting-yard algorithm
https://en.wikipedia.org/wiki/...New window Nofollow External Subdomain LaTeX
https://www.mathjax.org/New window Nofollow External Subdomain MathJax
https://en.wikipedia.org/wiki/...New window Nofollow External Subdomain computer algebra system
http://maxima.sourceforge.net/New window Nofollow External Subdomain Maxima
https://en.wikipedia.org/wiki/...New window Nofollow External Subdomain Risch algorithm
https://en.wikipedia.org/wiki/...New window Nofollow External Subdomain canvas element (HTML5)
https://hammerjs.github.io/New window Nofollow External Subdomain Hammer.js
/legal.phpNew window Nofollow Contact and Privacy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.integral-calculator.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
This page loads 4 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.06 seconds.
This page only loads 1 CSS files. That's ok.
The file size of the HTML document is fine (76 kB).

HTTP Response Header

NameValue
dateFri, 09 Aug 2024 11:45:07 GMT
serverApache
expires0
set-cookie50 Characters
strict-transport-securitymax-age=63072000; includeSubDomains; preload
x-mod-pagespeedPowered by mod_pagespeed
cache-controlmax-age=0, no-cache, must-revalidate, no-store, no-transform
pragmano-cache
referrer-policystrict-origin-when-cross-origin
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
varyAccept-Encoding
content-encodinggzip
transfer-encodingchunked
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 website has excellent links from other websites.
This page has backlinks from 431 referring domains.
This page has 3,385 backlinks.
This page has backlinks from 374 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /legal.php

Similar sites

Search preview

www.integral-calculator.com
Integral Calculator • With Steps!
Solve definite and indefinite integrals (antiderivatives) using this free online calculator. Step-by-step solution and graphs included!

Most important keywords

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

KeywordResultRecheck
Calculator97%Check
Integral Calculator97%Check
Integral95%Check
step62%Check
integrals55%Check
online55%Check
Free Online53%Check
Calculate integrals53%Check
Derivative52%Check
antiderivatives51%Check
Show more keywords and terms

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