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 Generated on March 20 2016 12:04 PM

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SEO Content

Title Great Internet Mersenne Prime Search - PrimeNet

Length : 47

Perfect, your title contains between 10 and 70 characters.
Description Great Internet Mersenne Prime Search - Finding world record primes since 1996. GIMPS is an organized search for Mersenne prime numbers using provided free software.

Length : 165

Ideally, your meta description should contain between 70 and 160 characters (spaces included).
Og Meta Properties This page does not take advantage of Og Properties. When people share or like your page, it is great to have good Og properties. Otherwise, they will just see a link to your website.

In case of Facebook or Twitter this is how you get started:

Facebook: https://developers.facebook.com/docs/sharing/webmasters

Twitter: https://dev.twitter.com/cards/getting-started
H1 H2 H3 H4 H5 H6
0 2 12 0 0 0
  • [H2] Welcome to GIMPS, the Great Internet Mersenne Prime Search
  • [H2] Largest Known Prime, 49th Known Mersenne Prime Found!!
  • [H3] M(32582657) proven to be 44th Mersenne Prime
  • [H3] Prime95 version 28 released! Faster on Intel's latest CPUs!
  • [H3] New Assignment and Recycling Rules
  • [H3] M(30402457) proven to be 43rd Mersenne Prime
  • [H3] Largest Known Prime, 48th Known Mersenne Prime Found!!
  • [H3] M(25964951) proven to be 42nd Mersenne Prime
  • [H3] Prime95 version 27 released! Faster on Intel's newer CPUs!
  • [H3] GIMPS now accepting donations
  • [H3] GIMPS Wins EFF $100,000 Cooperative Computing Award!
  • [H3] Older News
  • [H3] Make Math History!!
  • [H3] What are Mersenne primes and why do we search for them?
Images We found 3 images on this web page.

Awesome! Most or all of your images have alt attributes.
Text/HTML Ratio Ratio : 40%

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 IFrames elements were detected on this page. Search engines cannot read what is inside an IFrame (For example YouTube video's). It's not crucial, but if there is an alternative, please look into it.

URL Rewrite Good!
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 40 links including 3 link(s) to files

Anchor Type Juice
Forgot password? Internal Passing Juice
22,338,618 digits Internal Passing Juice
previous record prime number Internal Passing Juice
German computing community External Passing Juice
flaw in Intel's latest Skylake CPUs External Passing Juice
CUDALucas External Passing Juice
ClLucas External Passing Juice
MLucas External Passing Juice
Dr. Cooper External Passing Juice
University of Central Missouri External Passing Juice
$3,000 GIMPS research discovery award Internal Passing Juice
Marin Mersenne External Passing Juice
download a free program Internal Passing Juice
the largest known primes External Passing Juice
history of Mersenne primes External Passing Juice
never to have been the largest known prime External Passing Juice
press release Internal Passing Juice
standupmaths External Passing Juice
M(32582657) Internal Passing Juice
download Internal Passing Juice
milestones Internal Passing Juice
assignment and recycling policies Internal Passing Juice
M(30402457) Internal Passing Juice
known Mersenne prime Internal Passing Juice
17,425,170 digit number Internal Passing Juice
University of Central Missouri External Passing Juice
Novartis External Passing Juice
M(25964951) Internal Passing Juice
accepting donations Internal Passing Juice
GIMPS Wins EFF $100,000 Cooperative Computing Award! External Passing Juice
Electronic Frontier Foundation External Passing Juice
12,978,189 digit number Internal Passing Juice
M47 Internal Passing Juice
M46 Internal Passing Juice
13 year history Internal Passing Juice
the Mersenne Forums External Passing Juice
Mersenne Wiki External Passing Juice
$150,000 award External Passing Juice
many other reasons External Passing Juice
Mersenne Research, Inc. Internal Passing Juice

SEO Keywords

Keywords Cloud known all prime mersenne gimps record number primes new discovery
Keywords Consistency
Keyword Content Title Description Headings
prime 60
mersenne 49
gimps 39
primes 23
known 19


Url Domain : mersenne.org
Length : 12
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is en.


Doctype HTML 4.01 Transitional
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 17
Warnings : 0
Email Privacy Great! No email address has been found as plain text!
Deprecated HTML Great! We haven't found any deprecated HTML tags.
Speed Tips
Excellent, your website doesn't use nested tables.
Your website is using inline styles.
Great, your website has a few CSS files.
Perfect, your website has a few JavaScript files.
Your website does not take advantage of gzip.


Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content


XML Sitemap Great, your website has an XML sitemap.

Robots.txt http://mersenne.org/robots.txt

Great, your website has a robots.txt file.
Analytics Great, your website has an analytics tool.

   Google Analytics

PageSpeed Insights


Clicky Web Analytics