- SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
1.99 s
File size
70.70 kB
Media files
Number of links
84 internal / 31 external

Task list of SEO Improvements

Meta specifications

(Critically important)
Computer Graphics - ACM SIGGRAPH
The length of the page title is perfect. (349 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
(Critically important)
There are no problems in accessing the website.
Canonical URL
There is a valid canonical link specified.
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
The favicon is linked correctly.

Meta tags

viewportwidth=device-width, initial-scale=1
robotsindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1
generatorWordPress 5.6
twitter:label1Est. reading time
twitter:data11 minute
og:titleComputer Graphics - ACM SIGGRAPH
og:descriptionPreview the Speaker Lineup at SIGGRAPH Asia 2020 Virtual Come 4-13 December, some of the world’s brightest minds in the computer graphics industry will gather virtually at SIGGRAPH Asia 2020. Read More SIGGRAPH FRONTIERS Presents “A Conversation with…” A Conversation With… is a series of chats focused on Computer Graphics and Interactive Techniques, within a […]
og:site_nameACM SIGGRAPH

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Page quality

(Critically important)
This page contains 763 words. That's ok.
24% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
13 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.19 words is good.
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
This website loads 15 javascript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 75 characters this one is longer than 70 characters:
"“birth of planet earth” fulldome excerpt: photosynthesis in a chromatophore"
Image SEO
(Somewhat important)
12 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Page structure

H1 heading
(Critically important)
Computer Graphics
The H1 heading is too short (17 characters). It should be at least 20 Characters long.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Computer Graphics
H2 Preview the Speaker Lineup at SIGGRAPH Asia 2020 Virtual
H2 SIGGRAPH FRONTIERS Presents “A Conversation with...”
H2 Call for Volunteers: SIGGRAPH Webinars
H2 SIGGRAPH 2020 Makes Digital Magic During First Virtual Conference
H2 ACM SIGGRAPH Reveals Final SIGGRAPH 2020 Numbers, 2021 Planning
H2 President's Corner- What did you tell us via the virtual conference survey?
H2 Honoring the Outstanding Achievements and Service of our Community
H2 President's Corner - We stand with you.
H2 The 2019 ACM Turing Award: Celebrating SIGGRAPH and Computer Graphics Achievements
H2 New + Noteworthy
H2 Upcoming Events
H2 IEEEVR 2021
H2 PacificVis 2021
H2 Eurovis 2021
H2 Digital Library Selections
H2 Featured Videos
H4 Volunteers Needed
H4 About the Site
H4 Social Networks
H6 Visit YouTube Channel
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
5 links don't have an anchor text.
There are 4 links with a trivial anchor text.
The amount of internal links is ok.
None of the anchor texts is too long.
There are too many external links (31) on this page.
LinkAttributesAnchor text myACM
/participate/membership/Join Subdomain No Text Subdomain No Text SIGGRAPH
/about/annual-reports/Annual Reports
/about/awards/Awards Subdomain Blogs
/about/history/History of the Organization Member Services
/about/presidents-corner/Chair’s Corner
/conference-and-events/Conference and Events
/conference-and-events/annual-...Annual Conferences
/tags/chaptersChapter Events
/learn/conference-content/Conference Content
/conference-and-events/special...Specialized Conferences
/participate/Participate and Network
/participate/elections/ACM SIGGRAPH Elections
/participate/membership/Membership Subdomain Mentoring
/participate/web-team-voluntee...Web Team Volunteer Form
/connect/digital-arts/Digital Arts
/connect/diversity-and-inclusion/Diversity and Inclusion
/connect/international-resources/International Resources
/connect/member-profiles/Member Profiles
/connect/student-services/Student Services and Grow
/learn/cacm-research-highlight...CACM Research Highlights Nominations
/learn/spend-a-week-at-siggraph/Spend a Week at SIGGRAPH
/learn/conference-content/Text duplicate Conference Content
/learn/preparing-your-content/Preparing Your Content
/learn/siggraph-university/SIGGRAPH University
/learn/conference-presentations/Conference Audio Guides Subdomain No Text Subdomain Trivial anchor text
Read More
/siggraph-frontiers-presents-a...No Text
/siggraph-frontiers-presents-a...Learn More & Register
/call-for-volunteers-siggraph-...No Text
/call-for-volunteers-siggraph-...Text duplicate Trivial anchor text
Read More Subdomain No Text Subdomain SIGGRAPH 2020 Subdomain Text duplicate Trivial anchor text
Read More Subdomain No Text Subdomain Text duplicate Trivial anchor text
Read More
/presidents-corner-what-did-yo...New window No Text
/presidents-corner-what-did-yo...New window Text duplicate Trivial anchor text
Read More
/awards-announcement-2020/No Text
/awards-announcement-2020/Text duplicate Trivial anchor text
Read More
/presidents-corner-we-stand-wi...No Text
/presidents-corner-we-stand-wi...Text duplicate Trivial anchor text
Read More Subdomain No Text window External ACM A.M. Turing Award Subdomain Text duplicate Trivial anchor text
Read More
/siggraph-frontiers-presents-a...SIGGRAPH FRONTIERS Presents “A Conversation with…”
/tags/siggraph-frontiers/SIGGRAPH Frontiers
/call-for-volunteers-siggraph-...Call for Volunteers: SIGGRAPH Webinars
/tags/call-for-volunteers/Call for Volunteers
/tags/di-committee/D&I Committee
/tags/diversity-and-inclusion/Text duplicate Diversity and Inclusion
/tags/siggraph-webinars/SIGGRAPH Webinars
/call-for-nominations-for-comm...Call for Nominations for ACM SIGGRAPH Communications Chair
/tags/acm-siggraph-communicati...ACM SIGGRAPH Communications Chair
/tags/call-for-nominations/Call for Nominations
/tags/standing-committee-chair/Standing Committee Chair
/call-for-2021-candidates-for-...Call for 2021 Candidates for the ACM SIGGRAPH Executive Committee
/tags/acm-siggraph/Text duplicate ACM SIGGRAPH
/tags/call-for-candidates/Call for Candidates
/tags/executive-committee/Executive Committee
/2020-election-results-2021-vo...2020 Election Results and 2021 Voting
/tags/acm-siggraph-executive-c...ACM SIGGRAPH Executive Committee
/tags/election-results/Election Results Tweets by @siggraph
/event/ieeevr/IEEEVR 2021
/event/pacificvis-2021/PacificVis 2021
/event/eurovis-2021/Eurovis 2021 More… Courses: An Introduction to Physics-based Animation Subdomain SIGGRAPH '19
A-TITLE Conference Website “Birth of Planet Earth” fulldome excerpt: photosynthesis in a chromatophore Image Science: Hyperparameter optimization in black-box image processing using differentiable proxies Visit Digital Library Visit YouTube Channel
A-TITLE Visit YouTube Channel
/participate/membership/Join Today!
/participate/volunteervolunteer section
/contact?recipient=content-man...content manager. window External A-TITLE Twitter window External A-TITLE Facebook window External A-TITLE YouTube window External Subdomain A-TITLE LinkedIn duplicate About duplicate Contact
/sitemap_index.xmlSitemap ACM Privacy Policy ACM Anti-Harassment Policy Reporting Unacceptable Behavior
/about/affiliates/Text duplicate Affiliates The Association for Computing Machinery

Server configuration

HTTP redirects
(Critically important)
This website redirects to ""
HTTP header
The X-powered header is sent within the response header. (unnecessary)
This website uses GZip for compressed data transmission.
(Somewhat important)
The page response time is very slow (1.99 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This website loads 15 CSS files. This may affect the page load time negatively.
This website loads 15 javascript files. This may affect the load time negatively.
The file size of the HTML document is fine (71 kB).

HTTP Response Header

dateSat, 26 Dec 2020 01:38:49 GMT
link<>; rel="", <>; rel="alternate"; type="application/json", <>; rel=shortlink
content-typetext/html; charset=UTF-8

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 10,082 referring domains.
This website has 2,918,807 backlinks.
This website has backlinks from 8,331 different ip addresses.
Facebook popularity
(Somewhat important)
This website has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.


No valid Robots.txt file was found.

Facebook popularity

Shares / Likes / Comments

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

Computer Graphics66%Check
at SIGGRAPH58%Check
ACM SIGGRAPH 201956%Check
ACM SIGGRAPH Awards56%Check
SIGGRAPH 202056%Check

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