gprolog.org

Website review gprolog.org

The GNU Prolog web site

 Generated on April 01 2026 22:18 PM

Old data? UPDATE !

The score is 55/100

SEO Content

Title

The GNU Prolog web site

Length : 23

Perfect, your title contains between 10 and 70 characters.

Description

Length : 0

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Keywords

GNU Prolog, Prolog, compiler, constraints, finite domains

Good, your page contains meta keywords.

Og Meta Properties

This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.

Headings

H1 H2 H3 H4 H5 H6
12 0 0 0 0 0
  • [H1] The GNU Prolog web site
  • [H1] Table of contents
  • [H1] What is GNU Prolog
  • [H1] Features
  • [H1] How does GNU Prolog work ?
  • [H1] History
  • [H1] Supported Platforms & Last Changes
  • [H1] Manual
  • [H1] Download
  • [H1] Contributions and related developments
  • [H1] Mailing lists
  • [H1] Reporting Bugs

Images

We found 1 images on this web page.

Good, most or all of your images have alt attributes.

Text/HTML Ratio

Ratio : 68%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.

Flash

Perfect, no Flash content has been detected on this page.

Iframe

Great, there are no Iframes detected on this page.

URL Rewrite

Good. Your links looks friendly!

Underscores in the URLs

We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.

In-page links

We found a total of 57 links including 12 link(s) to files

Anchor Type Juice
What is GNU Prolog ? Internal Passing Juice
Features Internal Passing Juice
How does GNU Prolog work ? Internal Passing Juice
History Internal Passing Juice
Supported Platforms & last changes Internal Passing Juice
Manual Internal Passing Juice
Download Internal Passing Juice
Contributions and related developments Internal Passing Juice
Mailing lists Internal Passing Juice
Reporting bugs Internal Passing Juice
What is GNU Prolog Internal Passing Juice
Daniel Diaz External Passing Juice
README Internal Passing Juice
NEWS Internal Passing Juice
ChangeLog Internal Passing Juice
HTML Internal Passing Juice
HTML Internal Passing Juice
HTML compressed Internal Passing Juice
HTML compressed Internal Passing Juice
PDF Internal Passing Juice
PostScript Internal Passing Juice
Microsoft HTMLHelp (chm) version Internal Passing Juice
TeX dvi Internal Passing Juice
gprolog-1.5.0.tar.gz Internal Passing Juice
Mac OS X installer package Internal Passing Juice
Windows intel 32 bits auto-install setup Internal Passing Juice
Windows intel 32 bits auto-install setup Internal Passing Juice
Windows intel 64 bits auto-install setup Internal Passing Juice
Windows intel 64 bits auto-install setup Internal Passing Juice
in this directory Internal Passing Juice
in this directory Internal Passing Juice
GNU ftp site External Passing Juice
mirror External Passing Juice
GIT repository External Passing Juice
profile file for GNU Prolog Internal Passing Juice
Notepad++ wiki about UDL External Passing Juice
Notepad++ wiki External Passing Juice
Black Duck Open Hub site External Passing Juice
click here Internal Passing Juice
Bedevere External Passing Juice
CLIP External Passing Juice
CLPGUI External Passing Juice
cTI External Passing Juice
GNU Prolog/CX External Passing Juice
gnuprolog-json External Passing Juice
gnuprolog-redisclient External Passing Juice
gprolog-rh External Passing Juice
Logtalk External Passing Juice
Muscle PS/SC External Passing Juice
MySQL/Prolog External Passing Juice
XGP External Passing Juice
CGI programming External Passing Juice
http://mail.gnu.org/mailman/listinfo/users-prolog External Passing Juice
browse the archive External Passing Juice
http://mail.gnu.org/mailman/listinfo/bug-prolog External Passing Juice
browse the archive External Passing Juice
click here Internal Passing Juice

SEO Keywords

Keywords Cloud

also under ix86 file gnu prolog from constraints using files

Keywords Consistency

Keyword Content Title Keywords Description Headings
prolog 52
gnu 37
file 16
constraints 13
ix86 12

Usability

Url

Domain : gprolog.org

Length : 11

Favicon

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Printability

We could not find a Print-Friendly CSS.

Language

Good. Your declared language is en.

Dublin Core

This page does not take advantage of Dublin Core.

Document

Doctype

HTML 4.01 Strict

Encoding

Perfect. Your declared charset is ISO-8859-1.

W3C Validity

Errors : 0

Warnings : 0

Email Privacy

Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.

Deprecated HTML

Deprecated tags Occurrences
<center> 3
<font> 12
<tt> 2

Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these HTML tags because they are now obsolete.

Speed Tips

Excellent, your website doesn't use nested tables.
Perfect. No inline css has been found in HTML tags!
Great, your website has few CSS files.
Perfect, your website has few JavaScript files.
Perfect, your website takes advantage of gzip.

Mobile

Mobile Optimization

Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap

Missing

Your website does not have an XML sitemap - this can be problematic.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.

Robots.txt

https://gprolog.org/robots.txt

Great, your website has a robots.txt file.

Analytics

Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.

PageSpeed Insights


Device
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