Regexplanet.com - SEO Checker

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Overview of the SEO Check
Meta information
61% 
Page quality
46% 
Page structure
100% 
Link structure
91% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.36 s
File size
12.40 kB
Words
234
Media files
15
Number of links
35 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
RegexPlanet - Online Test für Reguläre Ausdrücke (Regex) und Kochbuch für: Go, Haskell, Java, JavaScript, .Net, Perl, PHP, PostgreSQL, Python, Ruby, Tcl & XRegExp
The page title should be shorter than 580 pixels. It is 1517 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
RegexPlanet - Online Test für Reguläre Ausdrücke (Regex) und Kochbuch für: Go, Haskell, Java, JavaScript, .Net, Perl, PHP, PostgreSQL, Python, Ruby, Tcl & XRegExp
The meta description is too long: 1517 pixels from max. 1000 pixels. Optimize description
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: de
Language defined in HTML: de-x-mtfrom-en
Server location: United States of America
Invalid language
The following language is defined by HTML: de-x-mtfrom-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)
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
viewportwidth=device-width, initial-scale=1.0
referrerunsafe-url
descriptionRegexPlanet - Online Test für Reguläre Ausdrücke (Regex) und Kochbuch für: Go, Haskell, Java, JavaScript, .Net, Perl, PHP, PostgreSQL, Python, Ruby, Tcl & XRegExp
keywordsregular expression, regex, regexp, wildcard, search pattern, pattern matching, string search
msvalidate.01E90DBA4A9D3D37F1056E64E5604A7A0D
verify-v13p9xTtal9ybfZjTfitgWmOPmrG+o4flwlxKRlDBwjR4=
wot-verification0a1aa0d39142e8924c53
langde-x-mtfrom-en

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Page quality

Content
(Critically important)
There are only 234 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
36.3% 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.
6 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.23 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
Image SEO
(Somewhat important)
1 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)
This page uses Google authorship information without an image.
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/rxp-logo-white.svgNo alt attribute provided
...logos/languageicon/languageicon-icon.svgSprache ändern
...go.zone/logos/golang/golang-vertical.svgGo
....zone/logos/haskell/haskell-vertical.svgHaskell
...orlogo.zone/logos/java/java-vertical.svgJava
...logos/javascript/javascript-vertical.svgJavaScript
...go.zone/logos/dotnet/dotnet-vertical.svg. Net
...orlogo.zone/logos/perl/perl-vertical.svgPerl
...ctorlogo.zone/logos/php/php-vertical.svgPHP
...logos/postgresql/postgresql-vertical.svgPostgreSQL
...go.zone/logos/python/python-vertical.svgPython
...orlogo.zone/logos/ruby/ruby-vertical.svgRuby
...ctorlogo.zone/logos/tcl/tcl-vertical.svgTcl
....zone/logos/xregexp/xregexp-vertical.svgXRegExp
...go.zone/logos/pinboard/pinboard-tile.svgPinboard.in

Page structure

H1 heading
(Critically important)
Online-Testen für Reguläre Ausdrücke
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Online-Testen für Reguläre Ausdrücke
H2 Eine letzte Sache noch
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.regexplanet.com/RegexPlanet
/advanced/golang/index.htmlGo (beta)
/advanced/haskell/index.htmlHaskell (beta)
/advanced/java/index.htmlJava
/advanced/javascript/index.htmlJavaScript
/advanced/dotnet/index.html. Net
/advanced/perl/index.htmlPerl (beta)
/advanced/php/index.htmlPHP (beta)
/advanced/postgresql/index.htmlPostgreSQL (beta)
/advanced/python/index.htmlPython
/advanced/ruby/index.htmlRuby (beta)
/advanced/tcl/index.htmlTcl (beta)
/advanced/xregexp/index.htmlXRegExp (beta)
/simple/previous.htmlVorherige Version
/cookbook/index.htmlKochbuch
/support/index.htmlUnterstützung
/security/language.html?next=/IMG-ALT Sprache ändern
A-TITLE Sprache ändern
/advanced/golang/index.htmlTrivial anchor text
IMG-ALT Go
A-TITLE Go (beta)
/advanced/haskell/index.htmlIMG-ALT Haskell
A-TITLE Haskell (beta)
/advanced/java/index.htmlText duplicate IMG-ALT Java
A-TITLE Java
/advanced/javascript/index.htmlText duplicate IMG-ALT JavaScript
A-TITLE JavaScript
/advanced/dotnet/index.htmlText duplicate IMG-ALT . Net
A-TITLE .Net
/advanced/perl/index.htmlIMG-ALT Perl
A-TITLE Perl (beta)
/advanced/php/index.htmlIMG-ALT PHP
A-TITLE PHP (beta)
/advanced/postgresql/index.htmlIMG-ALT PostgreSQL
A-TITLE PostgreSQL (beta)
/advanced/python/index.htmlText duplicate IMG-ALT Python
A-TITLE Python
/advanced/ruby/index.htmlIMG-ALT Ruby
A-TITLE Ruby (beta)
/advanced/tcl/index.htmlIMG-ALT Tcl
A-TITLE Tcl (beta)
/advanced/xregexp/index.htmlIMG-ALT XRegExp
A-TITLE XRegExp (beta)
/advanced/status.htmlNofollow Engine-Status
/simple/previous.htmlNofollow Text duplicate Vorherige Version
/support/links.htmlMehr ...
https://www.jwz.org/External Subdomain Jamie Zawinski
http://regex.info/blog/2006-09...External somewhere else
https://www-cs-faculty.stanfor...External Subdomain Donald Knuth
http://amzn.to/GXRTbSExternal Digital Typography
https://code.google.com/p/re2/...External Subdomain re2
/support/license.htmlLizenz
/support/privacy.htmlDatenschutz
/support/terms.htmlNutzungsbedingungen

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.regexplanet.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 0.36 seconds.
The file size of the HTML document is fine (12 kB).

HTTP Response Header

NameValue
dateMon, 17 Jun 2024 21:36:47 GMT
content-typetext/html;charset=utf-8
report-to{"group":"default","max_age":31536000,"endpoints":[{"url":"https://fileformat.report-uri.com/a/d/g"}],"include_subdomains":true}
x-cloud-trace-context68d3cf2d113044eb684d55c1c2b47477
cf-cache-statusDYNAMIC
servercloudflare
cf-ray89562d558cac18fd-FRA
content-encodinggzip
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

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 448 referring domains.
This page has 17,821 backlinks.
This page has backlinks from 340 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

#
# almost empty: everything at RegexPlanet is indexable!
#
Sitemap: https://www.regexplanet.com/sitemap.xml

User-agent: *
Disallow: /images
Disallow: /js
Disallow: /security
Disallow: /style
Disallow: /tmp

#
# bandwidth hog: http://www.majestic12.co.uk/projects/dsearch/mj12bot.php
#
User-agent: MJ12bot
Crawl-Delay: 120

Similar sites

Search preview

www.regexplanet.com
RegexPlanet - Online Test für Reguläre Ausdrücke (Regex) und Kochbu...
RegexPlanet - Online Test für Reguläre Ausdrücke (Regex) und Kochbuch für: Go, Haskell, Java, JavaScript, .Net, Perl, PHP, PostgreSQL, Python, Ruby, Tcl & XRegExp

Most important keywords

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

KeywordResultRecheck
Reguläre73%Check
Reguläre Ausdrücke73%Check
Net73%Check
RegexPlanet69%Check
Online Test66%Check
Java61%Check
Haskell60%Check
JavaScript60%Check
Perl60%Check
PHP60%Check
Show more keywords and terms

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