SEO test result

Last tested URL from domain zmap.io:

https://zmap.io

Loading the page

URL address (destination address in case of redirection):
https://zmap.io/

Retrieved from:
7. 1. 2025 23:53

Status code: 200

Well done! Your URL returns a successful HTTP status code.

1 / 1

Content type: text/html

Well done! Your URL returns content in HTML format.

1 / 1

Number of redirects: 0

Well done! The URL goes directly to your content.

2 / 2

Protocol: https

Well done! The URL uses the encrypted HTTPS protocol.

1 / 1

Redirect to: OK

Well done! Both 'https://zmap.io' and 'https://www.zmap.io' have been redirected to the same URL.

1 / 1

URL length: 16 of characters

Well done! Your URL is a reasonable length.

1 / 1

File robots.txt: - [HTTP 404]

There is no robots.txt file uploaded on your site.

0 / 2

Sitemap: -

The site map address is not filled in the robots.txt file.

0 / 2

Achieved score:

7 / 11

Content analysis

Character set settings: utf-8

Well done! Your page has the correct character set.

1 / 1

Meta tag position with character set: 46 - 68 B

Well done! The character set settings are located in the first 1024 bytes of your page.

1 / 1

Language: en

Great! Your page is set to the language used.

1 / 1

Meta title: The ZMap Project

Well done! Your page has set a reasonably long headline.

2 / 2

Meta description: The ZMap Project is a collection of open source tools that enable researchers to perform large-scale studies of the hosts and services that compose the public Internet.

Well done! Your page has set a reasonably long meta description.

2 / 2

H1 heading:
<h1>The ZMap Project</h1>
<h1>Deprecated Tools</h1>

Your page contains multiple H1 headings. It is best for SEO if the page contains just one H1 heading.

1 / 2

Order of headings:
     <h1>The ZMap Project
          <h2>ZMap
          <h2>ZGrab
          <h2>ZDNS
          <h2>LZR
          <h2>ZCrypto
          <h2>ZLint
          <h2>ZCertificate
          <h2>ZAnnotate
          <h2>ZIterate
          <h2>ZBlocklist
          <h2>ZTee
          <h2>ZSchema
          <h2>mrt2json
     <h1>Deprecated Tools
          <h2>ZTag
          <h2>ZBrowse

Your page contains multiple headings and they are used in the correct order.

1 / 1

Number of headings: 17

Well done! Your page contains a reasonable amount of headlines.

1 / 1

Length of headings: OK

Well done! Your page contains only reasonably long headlines.

1 / 1

Number of pictures: 1

Well done! Your page contains pictures.

1 / 1

Number of pictures without description: OK

Well done! All the images on your page have a filled in caption (alt attribute).

1 / 1

Number of links:

Number of internal follow links: 3
Number of internal nofollow links: 0

Your page contains less than 5 of follow internal links, consider better internal linking of the page.

1 / 2

Number of links:

Number of external follow links: 18
Number of external nofollow links: 0

Well done! Your site contains a good amount of internal follow links.

2 / 2

Number of iframe tags: 0

Well done! Your page does not contain an iframe tag.

1 / 1

Page icon: The page icon is filled in

Well done! Your page has filled in the page icon.

1 / 1

Page icon for Apple: -

Your page does not have the page icon filled in for Apple devices.

0 / 2

Paragraphs: Paragraphs contain text of 3179 characters. The length of all text on the page is 3384 characters.

Well done! More than half of all text on the page is in paragraphs.

1 / 1

Redundant content: The page contains content in the comments: '/container ...'.

There is redundant content in the comments section of the page. Please consider removing this redundant content.

0 / 1

Achieved score:

19 / 24

HTML 5

Using HTML 5: OK

Well done! Your page uses the HTML 5 standard.

1 / 1

Using headers: NO

Your page does not contain a header. Consider adding a header tag.

0 / 1

Use of footers: OK

Well done! Yours contains a footer.

1 / 1

Using navigation: OK

Well done! Yours includes navigation.

1 / 1

Division of content into sections: NO

Your page is not divided into sections. Consider dividing your content into section tags.

0 / 1

Obsolete elements: -

Well done! Your page does not contain any outdated HTML elements.

1 / 1

Achieved score:

4 / 6

Tags for social networks

Language settings: -

Your page does not have the correct tag value for the page language!

0 / 1

Content type settings: -

Your page does not have the correct tag value for the page content type!

0 / 1

URL settings: -

Your page does not have the correct tag value for the page URL!

0 / 2

Page Title: -

Your page doesn't have the correct page title tag value!

0 / 2

Page description: -

Your page does not have the correct tag value for the page description!

0 / 2

Setting the cover image: -

Your page does not have the correct tag value for the page title image!

0 / 2

Achieved score:

0 / 10

Keyword analysis

Number of words per page: 543

Well done! Your page contains enough words. There are '543' of words on the page.

2 / 2

The most common words on your site should include your keywords.

1 / 1

Keyword consistency:

	total number	in the caption	in the description	in the headings
zmap	10x	1x	1x	2x
that	8x	0x	2x	0x
utility	6x	0x	0x	0x
zgrab	6x	0x	0x	1x
scan	5x	0x	0x	0x
with	5x	0x	0x	0x
x509	5x	0x	0x	0x
supports	4x	0x	0x	0x
network	4x	0x	0x	0x
connection	3x	0x	0x	0x

In the title, description and headings you have few key consider adding them.

0 / 0

Achieved score:

3 / 3

Loading resources

Using gzip compression: The web server uses gzip compression

Well done! Your server uses gzip compresses.

1 / 1

Page size: 3.1 kB

Well done! Your page is a reasonable size.

1 / 1

Files to load:

Linked files
favicon.ico	5.3 kB
static/css/bootstrap.min.css	20.1 kB
static/css/font-awesome.min.css	7.1 kB
static/css/local.css	0.5 kB
Linked script files
static/js/bootstrap.min.js	9.9 kB
Linked image files
static/img/sqlogo.png	61.2 kB
TOTAL	104.1 kB

Well done! Your page, including the source code, is a reasonable 107.3 kB size.

2 / 2

Number of requests: 6

Well done! Your page needs a reasonable number of requests to load.

1 / 1

Achieved score:

5 / 5

Other

Responsiveness: It is responsive

Well done! Your page is responsive and uses the viewport meta tag.

1 / 1

Using schema.org: Unused

Your site does not use schema.org, consider using structured data.

0 / 2

Using Google Tag Manager: It is used

Well done! Your site uses GTM.

2 / 2

Links to error pages: Excludes

Well done! Your page does not contain links to error pages.

1 / 1

Achieved score:

4 / 6

SEO test result

View the SEO test log Download the SEO test report

Achieved score:

(42 / 65)

64.6 %

Our type for linkbuilding

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Loading the page

URL address (destination address in case of redirection):
https://zmap.io/

Retrieved from:
7. 1. 2025 23:53

Status code: 200

Well done! Your URL returns a successful HTTP status code.

1 / 1

Content type: text/html

Well done! Your URL returns content in HTML format.

1 / 1

Number of redirects: 0

Well done! The URL goes directly to your content.

2 / 2

Protocol: https

Well done! The URL uses the encrypted HTTPS protocol.

1 / 1

Redirect to: OK

Well done! Both 'https://zmap.io' and 'https://www.zmap.io' have been redirected to the same URL.

1 / 1

URL length: 16 of characters

Well done! Your URL is a reasonable length.

1 / 1

File robots.txt: - [HTTP 404]

There is no robots.txt file uploaded on your site.

0 / 2

Sitemap: -

The site map address is not filled in the robots.txt file.

0 / 2

Achieved score:

7 / 11

Content analysis

Character set settings: utf-8

Well done! Your page has the correct character set.

1 / 1

Meta tag position with character set: 46 - 68 B

Well done! The character set settings are located in the first 1024 bytes of your page.

1 / 1

Language: en

Great! Your page is set to the language used.

1 / 1

Meta title: The ZMap Project

Well done! Your page has set a reasonably long headline.

2 / 2

Meta description: The ZMap Project is a collection of open source tools that enable researchers to perform large-scale studies of the hosts and services that compose the public Internet.

Well done! Your page has set a reasonably long meta description.

2 / 2

H1 heading:
<h1>The ZMap Project</h1>
<h1>Deprecated Tools</h1>

Your page contains multiple H1 headings. It is best for SEO if the page contains just one H1 heading.

1 / 2

Your page contains multiple headings and they are used in the correct order.

1 / 1

Number of headings: 17

Well done! Your page contains a reasonable amount of headlines.

1 / 1

Length of headings: OK

Well done! Your page contains only reasonably long headlines.

1 / 1

Number of pictures: 1

Well done! Your page contains pictures.

1 / 1

Number of pictures without description: OK

Well done! All the images on your page have a filled in caption (alt attribute).

1 / 1

Number of links:

Number of internal follow links: 3
Number of internal nofollow links: 0

Your page contains less than 5 of follow internal links, consider better internal linking of the page.

1 / 2

Number of links:

Number of external follow links: 18
Number of external nofollow links: 0

Well done! Your site contains a good amount of internal follow links.

2 / 2

Number of iframe tags: 0

Well done! Your page does not contain an iframe tag.

1 / 1

Page icon: The page icon is filled in

Well done! Your page has filled in the page icon.

1 / 1

Page icon for Apple: -

Your page does not have the page icon filled in for Apple devices.

0 / 2

Paragraphs: Paragraphs contain text of 3179 characters. The length of all text on the page is 3384 characters.

Well done! More than half of all text on the page is in paragraphs.

1 / 1

Redundant content: The page contains content in the comments: '/container ...'.

There is redundant content in the comments section of the page. Please consider removing this redundant content.

0 / 1

Achieved score:

19 / 24

HTML 5

Using HTML 5: OK

Well done! Your page uses the HTML 5 standard.

1 / 1

Using headers: NO

Your page does not contain a header. Consider adding a header tag.

0 / 1

Use of footers: OK

Well done! Yours contains a footer.

1 / 1

Using navigation: OK

Well done! Yours includes navigation.

1 / 1

Division of content into sections: NO

Your page is not divided into sections. Consider dividing your content into section tags.

0 / 1

Obsolete elements: -

Well done! Your page does not contain any outdated HTML elements.

1 / 1

Achieved score:

4 / 6

Tags for social networks

Language settings: -

Your page does not have the correct tag value for the page language!

0 / 1

Content type settings: -

Your page does not have the correct tag value for the page content type!

0 / 1

URL settings: -

Your page does not have the correct tag value for the page URL!

0 / 2

Page Title: -

Your page doesn't have the correct page title tag value!

0 / 2

Page description: -

Your page does not have the correct tag value for the page description!

0 / 2

Setting the cover image: -

Your page does not have the correct tag value for the page title image!

0 / 2

Achieved score:

0 / 10

Keyword analysis

Number of words per page: 543

Well done! Your page contains enough words. There are '543' of words on the page.

2 / 2

The most common words on your site should include your keywords.

1 / 1

Keyword consistency:

	total number	in the caption	in the description	in the headings
zmap	10x	1x	1x	2x
that	8x	0x	2x	0x
utility	6x	0x	0x	0x
zgrab	6x	0x	0x	1x
scan	5x	0x	0x	0x
with	5x	0x	0x	0x
x509	5x	0x	0x	0x
supports	4x	0x	0x	0x
network	4x	0x	0x	0x
connection	3x	0x	0x	0x

In the title, description and headings you have few key consider adding them.

0 / 0

Achieved score:

3 / 3

Loading resources

Using gzip compression: The web server uses gzip compression

Well done! Your server uses gzip compresses.

1 / 1

Page size: 3.1 kB

Well done! Your page is a reasonable size.

1 / 1

Files to load:

Linked files
favicon.ico	5.3 kB
static/css/bootstrap.min.css	20.1 kB
static/css/font-awesome.min.css	7.1 kB
static/css/local.css	0.5 kB
Linked script files
static/js/bootstrap.min.js	9.9 kB
Linked image files
static/img/sqlogo.png	61.2 kB
TOTAL	104.1 kB

Well done! Your page, including the source code, is a reasonable 107.3 kB size.

2 / 2

Number of requests: 6

Well done! Your page needs a reasonable number of requests to load.

1 / 1

Achieved score:

5 / 5

Other

Responsiveness: It is responsive

Well done! Your page is responsive and uses the viewport meta tag.

1 / 1

Using schema.org: Unused

Your site does not use schema.org, consider using structured data.

0 / 2

Using Google Tag Manager: It is used

Well done! Your site uses GTM.

2 / 2

Links to error pages: Excludes

Well done! Your page does not contain links to error pages.

1 / 1

Achieved score:

4 / 6

SEO test result

View the SEO test log Download the SEO test report

Achieved score:

(42 / 65)

64.6 %

SEO test result

Loading the page

Content analysis

HTML 5

Tags for social networks

Keyword analysis

Loading resources

Other

SEO test result

Our type for linkbuilding

Contact form

Loading the page

Content analysis

HTML 5

Tags for social networks

Keyword analysis

Loading resources

Other

SEO test result