SEO test result

Last tested URL from domain iiif.io:

Loading the page

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

Retrieved from:
3. 9. 2024 20:08

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: Error

An error occurred when querying one of the 'https://iiif.io' or 'https://www.iiif.io' addresses.

0 / 1

URL length: 16 of characters

Well done! Your URL is a reasonable length.

1 / 1

File robots.txt: https://iiif.io/robots.txt

Well done! Your site contains a robots.txt file with the sitemap address filled in.

2 / 2

Sitemap: /sitemap.xml

Well done! Your site contains a valid XML sitemap.

2 / 2

Achieved score:
10 / 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: 41 - 63 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: Home — IIIF | International Image Interoperability Framework

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

2 / 2

Meta description: IIIF is a set of open standards for delivering high-quality, attributed digital objects online at scale. It’s also an international community developing and implementing the IIIF APIs. IIIF is backed by a consortium of leading cultural institutions.

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

2 / 2

H1 heading:
<h1>Gain richer access to the world's image and audio/visual files</h1>

Well done! Your page contains H1 heading.

2 / 2

Order of headings:
     <h1>Gain richer access to the world's image and audio/…
          <h2>Break down silos with open APIs
          <h2>Simplify and enhance your work
               <h3>Great for researchers
               <h3>Efficient for developers
               <h3>Practical for leaders
          <h2>Start building
               <h3>Image API
               <h3>Presentation API
               <h3>Authorization Flow API
               <h3>Content Search API
               <h3>Change Discovery API
               <h3>Content State API
          <h2>Join the community
          <h2>Funded by global technology leaders
          <h2>Latest news
               <h3>IIIF Consortium Welcomes the French Ministry of Cu…
               <h3>Save the Date for the 2025 IIIF Annual Conference …
          <h2>Events & meetings
               <h3>Featured events
               <h3>Group meetings
               <h3>Call calendar
               <h3>IIIF Australia Showcase & Workshops
               <h3>IIIF Online Training November 2024 (5 Day course)
               <h3>IIIF 2024 Online Meeting
               <h3>IIIF Annual Conference & Showcase 2025
               <h3>IIIF group calls are open to all.
                    <h4>About
                    <h4>Stay Connected

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

1 / 1

Number of headings: 29

Your page contains more than 20 of headlines.

0 / 1

Length of headings: OK

Well done! Your page contains only reasonably long headlines.

1 / 1

Number of pictures: 23

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: 57
  • Number of internal nofollow links: 0

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

2 / 2

Number of links:
  • Number of external follow links: 9
  • Number of external nofollow links: 0

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

2 / 2

Number of iframe tags: 1

Your page contains iframe tags, consider replacing them.

0 / 1

Page icon: The page icon is filled in
Icon

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

1 / 1

Page icon for Apple: The page icon is filled in
Icon

Well done! Your page has the page icon filled in for Apple devices.

2 / 2

Paragraphs: Paragraphs contain text of 3417 characters. The length of all text on the page is 4726 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: 'Read the Formbutton docs at formspree.io/formbutto ...'.

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

0 / 1

Achieved score:
21 / 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: OK

Well done! Yours has the content divided into sections.

1 / 1

Obsolete elements: -

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

1 / 1

Achieved score:
5 / 6

Tags for social networks

Language settings: en_US

Well done! Your page has the language tag set correctly.

1 / 1

Content type settings: website

Well done! Your page has the correct tag for the page content type.

1 / 1

URL settings: /

Your page has a page URL tag set, but its value does not contain a valid absolute URL.

1 / 2

Page Title: Home

Well done! Your page has the correct page title tag and the title is the appropriate size.

2 / 2

Page description: -

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

0 / 2

Setting the cover image: /assets/uploads/2019-06-IIIF-Conference-0705.jpg

Your page has a tag set for the page title image, but its value does not contain a valid absolute URL.

1 / 2

Achieved score:
6 / 10

Keyword analysis

Number of words per page: 734

Well done! Your page contains enough words. There are '734' of words on the page.

2 / 2

The most common words on the page:
iiif | view | image | consortium | digital | more | online | 2024 | demos | apis

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

1 / 1

Keyword consistency:
total numberin the captionin the descriptionin the headings
iiif29x1x3x7x
view15x0x0x0x
image10x1x0x2x
consortium8x0x1x1x
digital8x0x1x0x
more7x0x0x0x
online7x0x1x2x
20247x0x0x2x
demos6x0x0x0x
apis6x0x1x1x

In the table you will find a list of words that might be worth considering adding to the title, description or headings.

0 / 0

Achieved score:
3 / 3

Loading resources

Using gzip compression: The web server does not use gzip compression

Consider using gzip compression on your web server.

0 / 1

Page size: 41.9 kB

Well done! Your page is a reasonable size.

1 / 1

Files to load:
Linked files
/assets/favicon.ico15.1 kB
/assets/apple-touch-icon.png1.5 kB
/assets/favicon-32x32.png0.5 kB
/assets/favicon-16x16.png0.4 kB
/assets/site.webmanifest0.4 kB
/assets/safari-pinned-tab.svg3.9 kB
/assets/css/style.css207.5 kB
/41.9 kB
/assets/uploads/doshisha_103500_.jpg864.3 kB
/41.9 kB
Linked script files
/assets/js/tabSwitch.js0.7 kB
/assets/js/carouselInit.js0.3 kB
Linked image files
/assets/images/logos/logo-sm.png2.1 kB
/assets/uploads/wellcome_zebrafish.png387.9 kB
/assets/uploads/micrio-night-watch.png1 082.0 kB
/assets/uploads/SAT%20Taish%C5%8Dz%C5%8D%20Image%20DB.png1 527.9 kB
/assets/uploads/ddmal_section.gif2 432.7 kB
/assets/images/icons/research@2x.png16.4 kB
/assets/images/icons/developer@2x.png10.4 kB
/assets/images/icons/leader@2x.png8.2 kB
/assets/images/icons/image@2x.png8.0 kB
/assets/images/icons/location-info@2x.png8.3 kB
/assets/images/icons/auth-group@2x.png11.6 kB
/assets/images/icons/search-group@2x.png5.7 kB
/assets/images/icons/shape@2x.png5.9 kB
/assets/images/icons/link-group@2x.png5.9 kB
/assets/uploads/logos/New_York_Public_Library_logo.svg.png48.6 kB
/assets/uploads/logos/University-of-Leeds-logo.jpg76.5 kB
/assets/uploads/logos/ndmark300.png8.6 kB
/assets/uploads/logos/yale_logo-print.png3.0 kB
/assets/uploads/logos/cambridge_university2.svg57.7 kB
/assets/uploads/logos/ucla_logo.png30.8 kB
/assets/uploads/logos/kyoto_university.png24.0 kB
/assets/uploads/logos/edinburgh_logo.png39.3 kB
/assets/images/logos/logo-sm.png2.1 kB
TOTAL6 982.2 kB

Your page, including the source code, is 7 024.1 kB in size. Consider reducing the data transferred to display the page.

0 / 2

Number of requests: 35

Your page needs more than 30 of additional HTTP requests to load. Consider optimizing its number.

0 / 1

Achieved score:
1 / 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
Note: Only 30 of randomly selected internal links were tested. Your page contains 57 of internal links.

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:
(50 / 65)
76.9 %

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Contact us

Contact form

Loading the page

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

Retrieved from:
3. 9. 2024 20:08

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: Error

An error occurred when querying one of the 'https://iiif.io' or 'https://www.iiif.io' addresses.

0 / 1

URL length: 16 of characters

Well done! Your URL is a reasonable length.

1 / 1

File robots.txt: https://iiif.io/robots.txt

Well done! Your site contains a robots.txt file with the sitemap address filled in.

2 / 2

Sitemap: /sitemap.xml

Well done! Your site contains a valid XML sitemap.

2 / 2

Achieved score:
10 / 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: 41 - 63 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: Home — IIIF | International Image Interoperability Framework

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

2 / 2

Meta description: IIIF is a set of open standards for delivering high-quality, attributed digital objects online at scale. It’s also an international community developing and implementing the IIIF APIs. IIIF is backed by a consortium of leading cultural institutions.

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

2 / 2

H1 heading:
<h1>Gain richer access to the world's image and audio/visual files</h1>

Well done! Your page contains H1 heading.

2 / 2

Order of headings:
     <h1>Gain richer access to the world's image and audio/…
          <h2>Break down silos with open APIs
          <h2>Simplify and enhance your work
               <h3>Great for researchers
               <h3>Efficient for developers
               <h3>Practical for leaders
          <h2>Start building
               <h3>Image API
               <h3>Presentation API
               <h3>Authorization Flow API
               <h3>Content Search API
               <h3>Change Discovery API
               <h3>Content State API
          <h2>Join the community
          <h2>Funded by global technology leaders
          <h2>Latest news
               <h3>IIIF Consortium Welcomes the French Ministry of Cu…
               <h3>Save the Date for the 2025 IIIF Annual Conference …
          <h2>Events & meetings
               <h3>Featured events
               <h3>Group meetings
               <h3>Call calendar
               <h3>IIIF Australia Showcase & Workshops
               <h3>IIIF Online Training November 2024 (5 Day course)
               <h3>IIIF 2024 Online Meeting
               <h3>IIIF Annual Conference & Showcase 2025
               <h3>IIIF group calls are open to all.
                    <h4>About
                    <h4>Stay Connected

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

1 / 1

Number of headings: 29

Your page contains more than 20 of headlines.

0 / 1

Length of headings: OK

Well done! Your page contains only reasonably long headlines.

1 / 1

Number of pictures: 23

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: 57
  • Number of internal nofollow links: 0

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

2 / 2

Number of links:
  • Number of external follow links: 9
  • Number of external nofollow links: 0

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

2 / 2

Number of iframe tags: 1

Your page contains iframe tags, consider replacing them.

0 / 1

Page icon: The page icon is filled in
Icon

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

1 / 1

Page icon for Apple: The page icon is filled in
Icon

Well done! Your page has the page icon filled in for Apple devices.

2 / 2

Paragraphs: Paragraphs contain text of 3417 characters. The length of all text on the page is 4726 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: 'Read the Formbutton docs at formspree.io/formbutto ...'.

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

0 / 1

Achieved score:
21 / 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: OK

Well done! Yours has the content divided into sections.

1 / 1

Obsolete elements: -

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

1 / 1

Achieved score:
5 / 6

Tags for social networks

Language settings: en_US

Well done! Your page has the language tag set correctly.

1 / 1

Content type settings: website

Well done! Your page has the correct tag for the page content type.

1 / 1

URL settings: /

Your page has a page URL tag set, but its value does not contain a valid absolute URL.

1 / 2

Page Title: Home

Well done! Your page has the correct page title tag and the title is the appropriate size.

2 / 2

Page description: -

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

0 / 2

Setting the cover image: /assets/uploads/2019-06-IIIF-Conference-0705.jpg

Your page has a tag set for the page title image, but its value does not contain a valid absolute URL.

1 / 2

Achieved score:
6 / 10

Keyword analysis

Number of words per page: 734

Well done! Your page contains enough words. There are '734' of words on the page.

2 / 2

The most common words on the page:
iiif | view | image | consortium | digital | more | online | 2024 | demos | apis

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

1 / 1

Keyword consistency:
total numberin the captionin the descriptionin the headings
iiif29x1x3x7x
view15x0x0x0x
image10x1x0x2x
consortium8x0x1x1x
digital8x0x1x0x
more7x0x0x0x
online7x0x1x2x
20247x0x0x2x
demos6x0x0x0x
apis6x0x1x1x

In the table you will find a list of words that might be worth considering adding to the title, description or headings.

0 / 0

Achieved score:
3 / 3

Loading resources

Using gzip compression: The web server does not use gzip compression

Consider using gzip compression on your web server.

0 / 1

Page size: 41.9 kB

Well done! Your page is a reasonable size.

1 / 1

Files to load:
Linked files
/assets/favicon.ico15.1 kB
/assets/apple-touch-icon.png1.5 kB
/assets/favicon-32x32.png0.5 kB
/assets/favicon-16x16.png0.4 kB
/assets/site.webmanifest0.4 kB
/assets/safari-pinned-tab.svg3.9 kB
/assets/css/style.css207.5 kB
/41.9 kB
/assets/uploads/doshisha_103500_.jpg864.3 kB
/41.9 kB
Linked script files
/assets/js/tabSwitch.js0.7 kB
/assets/js/carouselInit.js0.3 kB
Linked image files
/assets/images/logos/logo-sm.png2.1 kB
/assets/uploads/wellcome_zebrafish.png387.9 kB
/assets/uploads/micrio-night-watch.png1 082.0 kB
/assets/uploads/SAT%20Taish%C5%8Dz%C5%8D%20Image%20DB.png1 527.9 kB
/assets/uploads/ddmal_section.gif2 432.7 kB
/assets/images/icons/research@2x.png16.4 kB
/assets/images/icons/developer@2x.png10.4 kB
/assets/images/icons/leader@2x.png8.2 kB
/assets/images/icons/image@2x.png8.0 kB
/assets/images/icons/location-info@2x.png8.3 kB
/assets/images/icons/auth-group@2x.png11.6 kB
/assets/images/icons/search-group@2x.png5.7 kB
/assets/images/icons/shape@2x.png5.9 kB
/assets/images/icons/link-group@2x.png5.9 kB
/assets/uploads/logos/New_York_Public_Library_logo.svg.png48.6 kB
/assets/uploads/logos/University-of-Leeds-logo.jpg76.5 kB
/assets/uploads/logos/ndmark300.png8.6 kB
/assets/uploads/logos/yale_logo-print.png3.0 kB
/assets/uploads/logos/cambridge_university2.svg57.7 kB
/assets/uploads/logos/ucla_logo.png30.8 kB
/assets/uploads/logos/kyoto_university.png24.0 kB
/assets/uploads/logos/edinburgh_logo.png39.3 kB
/assets/images/logos/logo-sm.png2.1 kB
TOTAL6 982.2 kB

Your page, including the source code, is 7 024.1 kB in size. Consider reducing the data transferred to display the page.

0 / 2

Number of requests: 35

Your page needs more than 30 of additional HTTP requests to load. Consider optimizing its number.

0 / 1

Achieved score:
1 / 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
Note: Only 30 of randomly selected internal links were tested. Your page contains 57 of internal links.

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:
(50 / 65)
76.9 %