SiteChecker is a free SEO tool that provides recommendation for better search engine visibility.
Updated on February 02 2024 12:18 PM
Old data? UPDATE this report !
The score is 67/100
Website Title
Great Internet Mersenne Prime Search - PrimeNet
Length : 47
Good! Your title is perfect because it is between 10 and 70 characters long.
Website 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
Hey!, Your meta description should ideally be between 70 and 160 characters long (spaces included).
Keywords
Marin Mersenne prime numbers GIMPS primenet prime95
Nice one, we check that you are using meta keywords on your website.
Og Meta Properties
Og Properties aren't being used on this page. This tag helps social crawlers like facebook and twitter to structure your page more effectively.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 8 | 3 | 0 | 0 | 0 |
Images
We found 4 images on this web page.
Excellent!, Most of your image does have alt attributes which is important for SEO Image.
Text/HTML Ratio
Ratio : 37%
Good ratio! The text to HTML code ratio for this page is between 25 and 70.
Flash
Good!, you are not using Flash content.
Iframe
Good!, This page does not contain any Iframes.
SEO URL Rewrite
Excellent! Your url seems SEO friendly.
URL Underscores
No Good. In your URLs, we found underscores. To improve your SEO, you should consider using hyphens instead.
In-page links
We found a total of 24 links including 1 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Forgot password? | Internal | Passing Juice |
| 30.8 is now available | Internal | Passing Juice |
| discovered | Internal | Passing Juice |
| milestone | Internal | Passing Juice |
| prime95 version 30.3 | Internal | Passing Juice |
| gpuowl for GPUs | External | Passing Juice |
| breakthrough by Krzysztof Pietrzak | External | Passing Juice |
| SRBase | External | Passing Juice |
| FAQ at the SRBASE forum | External | Passing Juice |
| trial factoring stats | Internal | Passing Juice |
| Great Internet Mersenne Prime Search (GIMPS) | Internal | Passing Juice |
| previous record prime number | Internal | Passing Juice |
| Marin Mersenne | External | Passing Juice |
| the largest known primes | External | Passing Juice |
| history of Mersenne primes | External | Passing Juice |
| press release | Internal | Passing Juice |
| the Mersenne Forums | External | Passing Juice |
| Mersenne Wiki | External | Passing Juice |
| found fifteen | Internal | Passing Juice |
| (USD) $3,000 cash GIMPS Research Discovery Award | Internal | Passing Juice |
| Electronic Frontier Foundation | External | Passing Juice |
| $150,000 award | External | Passing Juice |
| many other reasons | Internal | Passing Juice |
| Mersenne Research, Inc. | Internal | Passing Juice |
Keywords Cloud
number all search new test prime mersenne primes version gimps
Keywords Consistency
| Keyword | Content | Website Title | Keywords | Website Description | Headings |
|---|---|---|---|---|---|
| mersenne | 31 |  |
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| prime | 31 | |
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| gimps | 27 |  |
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| primes | 12 | |
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| new | 10 | |
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Url
Domain : mersenne.org
Length : 12
Favicon
Nice, you are using Favicon for your website.
Printability
Ooops. Print-Friendly CSS recommended to your website.
Language
Good. For declaring en as your website's language.
Dublin Core
Oops. Dublin Core isn't being used on this page.
Doctype
HTML 4.01 Transitional
Encoding
Good!. For specifying UTF-8 as your page charset.
W3C Validity
Errors : 27
Warnings : 8
Email Privacy
Awesome!, For converting your email address into image. Plain text tends email harvesting softwares to get your email address and will get receive spam mails later on.
Deprecated HTML
| Deprecated tags | Occurrences |
|---|---|
| <center> | 6 |
Needs some fix! HTML tags that have been deprecated are those that are obsolete and no longer in use. These HTML tags should be removed or replaced since they are no longer in use and not recommended by today's browsers. This may affect user experience if not removed.
Speed Tips
|
Hey! You should consider CSS instead of using nested tables. |
|
Not Good., We found inline styles in your website. Try to avoid this as much as possible. |
|
Perfect!, There are only a few CSS files on your website. |
|
Yes!, There are only a few JavaScript files on your website which is good for your website's speed. |
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Perfect, Your website makes use of Gzip compression. |
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
XML Sitemap
Perfectly Awesome!, We found XML Sitemap on your website. This helps search engine to index most if not all of your pages.
| https://www.mersenne.org/sitemap.xml |
Robots.txt
http://mersenne.org/robots.txt
Awesome, A robots.txt file exists on your website.
Analytics
Awesome!, An analytics tool is in use on your website. This is a must have for every website to check visitors activity and to know how many visitors a site received each day.
Google Analytics |