Ntnu.blackboard.com - SEO Checker

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BLACKBOARD LEARN

ntnu.blackboard.com

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53 ntnu.blackboard.com Last Updated: 3 years

Success 55% of passed verification steps

Warning 15% of total warning

Errors 30% of total errors, require fast action

Mobile

Performance Desktop Score 96%

Best Practices Desktop Score 100%

SEO Desktop Score 82%

PWA Desktop Score 22%

Performance Mobile Score 66%

Best Practices Mobile Score 100%

SEO Mobile Score 85%

PWA Mobile Score 30%

Page Authority Authority 50%

Domain Authority Domain Authority 78%

Moz Rank 5.0/10

Bounce Rate Rate 0%

Charset Encoding

Great, language/character encoding is specified: UTF-8

Title Tag 16 Characters

BLACKBOARD LEARN

Meta Description 0 Characters

NO DATA

Effective URL 27 Characters

https://ntnu.blackboard.com

Excerpt Page content

Blackboard Learn Blackboard Learn ™ ...

Meta Keywords 1 Detected

Blackboard

Keywords Cloud Density

logg4 blackboard3 feide3 norge‭2 passordet2 glemt2 alternativ2 brukernavn1 passord1 tredjepartskonto1

Keyword Consistency Keyword density is one of the main terms in SEO

Keyword	Freq	Title	Desc	Domain	H1	H2
logg	4
blackboard	3
feide	3
norge‭	2
passordet	2
glemt	2
alternativ	2
brukernavn	1
passord	1
tredjepartskonto	1

Google Preview Your look like this in google search result

BLACKBOARD LEARN

https://ntnu.blackboard.com

Blackboard Learn Blackboard Learn ™ ...

Robots.txt File Detected

http://ntnu.blackboard.com/robots.txt

Sitemap.xml File Detected

http://ntnu.blackboard.com/sitemap.xml

Page Size Code & Text Ratio

Document Size: ~59.98 KB

Code Size: ~59.44 KB

Text Size: ~554 B Ratio: 0.90%

Estimation Traffic and Earnings

Unique Visits

Daily

Pages Views

Daily

Income

Daily

224

Unique Visits

Monthly

399

Pages Views

Monthly

Income

Monthly

2,592

Unique Visits

Yearly

4,704

Pages Views

Yearly

Income

Yearly

Desktop

Serve static assets with an efficient cache policy 15 resources found

A long cache lifetime can speed up repeat visits to your page

Time to Interactive 1.1 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Total Blocking Time 0 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds

Largest Contentful Paint element 1 element found

This is the largest contentful element painted within the viewport

Avoid chaining critical requests 17 chains found

The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load

JavaScript execution time 0.1 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Avoid long main-thread tasks 1 long task found

Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay

Avoids enormous network payloads Total size was 610 KiB

Large network payloads cost users real money and are highly correlated with long load times

Efficiently encode images Potential savings of 14 KiB

Optimized images load faster and consume less cellular data

Avoid serving legacy JavaScript to modern browsers Potential savings of 7 KiB

Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers

Minify CSS Potential savings of 17 KiB

Minifying CSS files can reduce network payload sizes

Eliminate render-blocking resources Potential savings of 970 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Initial server response time was short Root document took 210 ms

Keep the server response time for the main document short because all other requests depend on it

Reduce unused JavaScript Potential savings of 272 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity

Speed Index 1.1 s

Speed Index shows how quickly the contents of a page are visibly populated

First Meaningful Paint 1.1 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 28 requests • 610 KiB

To set budgets for the quantity and size of page resources, add a budget.json file

Network Round Trip Times 0 ms

Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

Server Backend Latencies 0 ms

Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Reduce unused CSS Potential savings of 99 KiB

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity

Avoids an excessive DOM size 81 elements

A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)

Minify JavaScript Potential savings of 67 KiB

Minifying JavaScript files can reduce payload sizes and script parse time

Avoid large layout shifts 2 elements found

These DOM elements contribute most to the CLS of the page.

Web app manifest or service worker do not meet the installability requirements 1 reason

Service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. With proper service worker and manifest implementations, browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement

Minimizes main-thread work 0.3 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

Largest Contentful Paint 1.2 s

Largest Contentful Paint marks the time at which the largest text or image is painted

First Contentful Paint 1.1 s

First Contentful Paint marks the time at which the first text or image is painted

Max Potential First Input Delay 40 ms

The maximum potential First Input Delay that your users could experience is the duration of the longest task

Minimize third-party usage Third-party code blocked the main thread for 0 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Defer offscreen images Potential savings of 34 KiB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Serve images in next-gen formats Potential savings of 22 KiB

Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

Mobile

Minify CSS Potential savings of 17 KiB

Minifying CSS files can reduce network payload sizes

First Contentful Paint (3G) 8959.5 ms

First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network

Avoid serving legacy JavaScript to modern browsers Potential savings of 7 KiB

Avoids an excessive DOM size 81 elements

Serve images in next-gen formats Potential savings of 22 KiB

Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

Minify JavaScript Potential savings of 67 KiB

Minifying JavaScript files can reduce payload sizes and script parse time

Web app manifest or service worker do not meet the installability requirements 1 reason

Eliminate render-blocking resources Potential savings of 3,630 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Time to Interactive 5.3 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Total Blocking Time 130 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds

Largest Contentful Paint element 1 element found

This is the largest contentful element painted within the viewport

Document uses legible font sizes 80.66% legible text

Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px

Minimize third-party usage Third-party code blocked the main thread for 0 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Speed Index 4.3 s

Speed Index shows how quickly the contents of a page are visibly populated

Initial server response time was short Root document took 90 ms

Keep the server response time for the main document short because all other requests depend on it

Efficiently encode images Potential savings of 14 KiB

Optimized images load faster and consume less cellular data

First Contentful Paint 4.3 s

First Contentful Paint marks the time at which the first text or image is painted

Avoid long main-thread tasks 4 long tasks found

Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay

Tap targets are sized appropriately 100% appropriately sized tap targets

Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements

Server Backend Latencies 0 ms

Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Defer offscreen images Potential savings of 34 KiB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Avoid large layout shifts 1 element found

These DOM elements contribute most to the CLS of the page.

Avoids enormous network payloads Total size was 610 KiB

Large network payloads cost users real money and are highly correlated with long load times

JavaScript execution time 0.7 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Reduce unused JavaScript Potential savings of 272 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity

First Meaningful Paint 4.3 s

First Meaningful Paint measures when the primary content of a page is visible

Serve static assets with an efficient cache policy 15 resources found

A long cache lifetime can speed up repeat visits to your page

Keep request counts low and transfer sizes small 28 requests • 610 KiB

To set budgets for the quantity and size of page resources, add a budget.json file

Reduce unused CSS Potential savings of 99 KiB

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity

Avoid chaining critical requests 17 chains found

Network Round Trip Times 0 ms

Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

Minimizes main-thread work 1.0 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

Max Potential First Input Delay 150 ms

The maximum potential First Input Delay that your users could experience is the duration of the longest task

Largest Contentful Paint 5.2 s

Largest Contentful Paint marks the time at which the largest text or image is painted

Speed And Optimization Tips

Website speed has a huge impact on performance, affecting user experience, conversion rates and even rankings. ‪‬‬By reducing page load-times, users are less likely to get distracted and the search engines are more likely to reward you by ranking you

Title Website

Congratulations! Your title is optimized

Description Website

Warning! Your description is not optimized

Robots.txt

Congratulations! Your site have a robots.txt file

Sitemap.xml

Congratulations! We've found a sitemap file for your website

SSL Secure

Congratulations! Your site have Support to HTTPS

Headings

Congratulations! You are using your H1 and H2 tags in your site

Blacklist

Congratulations! Your site is not listed in a blacklist

W3C Validator

Warning! Your site have errors W3C

Accelerated Mobile Pages (AMP)

Warning! Your site not have AMP Version

Domain Authority

Congratulations! Your Domain Authority is good

GZIP Compress

Warning! Your site not is compressed, this can make slower response for the visitors

Favicon

Warning! Your site not have a favicon

Broken Links

Warning! You have broken links View links

First 1 Links	Relationship	HTTP Status
AzureAD	Internal Link	0

Alexa Rank

99,999,999

Global Rank

99,999,999

Traffic

Search

Domain Available

Domain (TDL) and Typo	Status
ntnu.blackboard.co	Already Registered
ntnu.blackboard.us	Already Registered
ntnu.blackboard.com	Already Registered
ntnu.blackboard.org	Already Registered
ntnu.blackboard.net	Already Registered
nnu.blackboard.com	Already Registered
htnu.blackboard.com	Already Registered
utnu.blackboard.com	Already Registered

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server

HTTP/1.1 401 
Access-Control-Allow-Origin: https://ntnu.blackboard.com
Cache-Control: no-cache
Cache-Control: must-revalidate
Cache-Control: max-age=0
Cache-control: no-cache="set-cookie"
Content-Length: 182
Content-Security-Policy: frame-ancestors 'self'
Content-Type: text/html;charset=UTF-8
Date: Wed, 19 Oct 2022 21:21:35 GMT
Expires: Tue, 19 Oct 2021 21:21:35 GMT
Last-Modified: Sat, 19 Oct 2002 21:21:35 GMT
P3P: CP="CAO PSA OUR"
Pragma: no-cache
Server: openresty/1.19.9.1
Set-Cookie: AWSELB=0733E7E906D5AD63F9AA1C42FA3A042BA8E680ECF5D157541B130A596DBA47FD1BDB3DF6A6643B74E45982084BC527883050D1470DFD8CB5905678F1919946EB312B24D21B;PATH=/;MAX-AGE=900
Set-Cookie: AWSELBCORS=0733E7E906D5AD63F9AA1C42FA3A042BA8E680ECF5D157541B130A596DBA47FD1BDB3DF6A6643B74E45982084BC527883050D1470DFD8CB5905678F1919946EB312B24D21B;PATH=/;MAX-AGE=900;SECURE;SAMESITE=None
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
Vary: Origin
WWW-Authenticate: BASIC realm="ntnu.blackboard.com"
X-Blackboard-appserver: ip-10-148-205-81.eu-central-1.compute.internal
X-Blackboard-product: Blackboard Learn ™ 3900.50.0-rel.20+282a237
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1
Xythos.LoggedInWithCredentials: false
Connection: keep-alive

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	learn-prod-5def77a38a2f7-47165335.eu-central-1.elb.amazonaws.com	18.193.237.42	IN	49
A	learn-prod-5def77a38a2f7-47165335.eu-central-1.elb.amazonaws.com	3.127.101.144	IN	49
CNAME	ntnu.blackboard.com	learn-prod-5def77a38a2f7-47165335.eu-central-1.elb.amazonaws.com	IN	225

Your Website Score is

Similar Ranking

Latest Sites

53 ntnu.blackboard.com Last Updated: 3 years

Desktop

Mobile

Estimation Traffic and Earnings

Desktop

Mobile

Speed And Optimization Tips

Alexa Rank

99,999,999

99,999,999

Domain Available

Information Server

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