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Report generated 6 months ago
https://www.edx.org
Your general SEO Checkup Score
Archived
76/100
SEO Score
Average SEO score of top 100 sites: 75%
This website received an SEO score of 76 out of 100, which is higher than the average score of 75. Our analysis has identified 13 important issues that can be addressed to further enhance your website's performance and improve its search engine visibility.
13 Failed
5 Warnings
52 Passed
Issues to fix
HIGH
It is recommended to avoid URL parameters and to use hyphens to separate words in the URL structure, rather than underscores.
HIGH
To ensure that Search Engines can accurately identify the topic of this webpage, it is important to include the most common keywords in the title tag, meta description, and heading tags.
HIGH
To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.
HIGH
Consider reducing the HTML size to improve loading times and retain visitors.
MEDIUM
Reducing the JavaScript execution time can result in faster page load times and a smoother user experience, as it allows the browser to render and display the page more quickly.
MEDIUM
Serve properly sized images to reduce page loading times and to improve user's experience.
MEDIUM
Avoid using distorted images, as they can have a negative impact on the user experience.
MEDIUM
Reducing the Document Object Model (DOM) size can lead to faster page loading times, improved site performance, and better user experience by decreasing the amount of time it takes for the browser to process and render the page.
MEDIUM
Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.
LOW
Resolving errors identified by the Chrome DevTools Console can improve user experience.
LOW
Using more than 20 HTTP requests on a webpage can negatively impact the loading time.
LOW
Consider moving inline CSS styles to an external stylesheet to improve site performance and maintain separation of content and design.
LOW
This website either lacks a favicon or it has not been referenced properly.
Common SEO issues
Score: 58
Failed: 7
Warnings: 3
Passed: 15
Meta Title Test100% of top 100 sites passed
  • This webpage is using a title tag.
Text: Build new skills. Advance your career. | edX
Length: 44 characters
Meta Description Test96% of top 100 sites passed
  • This webpage is using a meta description tag with a length of 142 characters. We recommend using well-written and inviting meta descriptions with a length between 150 and 220 characters (spaces included).
Text: Discover thousands of offerings — from free courses to full degrees — delivered by world-class partners like Harvard, Google, Amazon and more.
Length: 142 characters
Google Search Results Preview Test
Desktop version
https://www.edx.org/Build new skills. Advance your career. | edXDiscover thousands of offerings — from free courses to full degrees — delivered by world-class partners like Harvard, Google, Amazon and more.
Mobile version
https://www.edx.org/Build new skills. Advance your career. | edXDiscover thousands of offerings — from free courses to full degrees — delivered by world-class partners like Harvard, Google, Amazon and more.
Social Media Meta Tags Test89% of top 100 sites passed
  • This webpage is using social media meta tags.
Open Graph Meta Tags
og:title
Build new skills. Advance your career. | edX
og:description
Discover thousands of offerings — from free courses to full degrees — delivered by world-class partners like Harvard, Google, Amazon and more.
og:url
https://www.edx.org/
og:site_name
edX
og:locale
EN_US
Most Common Keywords Test
  • There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.
173education170executive144university102science80master
Keywords Usage Test45% of top 100 sites passed
  • The most common keywords of this webpage are not distributed across the important HTML tags! Primary keywords should appear in title tag, meta description and heading tags to help Search Engines to properly identify the topic of this webpage.
Keyword
Title tag
Meta description
Headings
education
executive
university
science
master
Keywords Cloud Test
administrationadvertisinganalysisanalyticsartificialartsbachelorbachelorsblockchainbusinesscapecertificatecertificateschainchangechoosecislcomputercookiescoursecoursescybersecuritydegreedegreesdesigndevelopmentdigitalearneconomicseducationengineeringestateexecutiveexplorefinanceharvardharvardxhealthhealthcarehelpimplicationsinformationintelligenceintroductioninvestmentlabelleadershiplearnlearninglikelondonmachinemanagementmarketingmaryvillemastermastersnursingonlineoxfordpersonalpolicypopularprivacyprofessionalprogramprogrammeprogrammingprogramsprojectpsychologypublicpythonrealsaïdschoolscienceservicessharesimmonssiteskillssloansocialsoftwarestrategicstrategysupplysurreysustainabilitysustainablesyracusetargetingtechnologytowntransformationuniversityviewworkyale
Competitor Domains Test
Understand your competitors' SEO and backlink profile

Get related competitors and their domain authority score in relation to your domain.

Heading Tags Test59% of top 100 sites passed
  • This webpage contains too many H2 tags! H2 tags should re-inforce the related content of your page to search engines - too many tags may make the topic less clear, or look like spam tactics. Consider using less than 10 H2 tags.
H1 tags
Bring your goals into focus
H2 tags
You set the goal. We'll mark the path.
Hone your skills and explore your interests
Trending on edX
Start the New Year by investing in yourself.
Popular topics
The reviews are in
What learners are saying
Empower every member of your team
Join a community, not just a classroom
Register for a free account
PRIVACY PREFERENCE CENTER
Robots.txt Test99% of top 100 sites passed
  • This website is using a robots.txt file.
Sitemap Test74% of top 100 sites passed
  • This website has a sitemap file.
SEO Friendly URL Test25% of top 100 sites passed
  • This webpage contains URLs that are not SEO friendly!
See results list
Image Alt Test71% of top 100 sites passed
  • This webpage is using "img" tags with empty or missing "alt" attribute!
See full list
Responsive Image Test28% of top 100 sites passed
  • Not all images in this webpage are properly sized! This webpage is serving images that are larger than needed for the size of the user's viewport.
See results list
Image Aspect Ratio Test75% of top 100 sites passed
  • Not all image display dimensions match the natural aspect ratio! Fix aspect ratio issues to avoid distorted images on this website!
See results list
Inline CSS Test8% of top 100 sites passed
  • This webpage is using inline CSS styles!
See results list
Deprecated HTML Tags Test94% of top 100 sites passed
  • This webpage does not use HTML deprecated tags.
Google Analytics Test65% of top 100 sites passed
  • This webpage is using Google Analytics.
Favicon Test100% of top 100 sites passed
  • This website either doesn't have a favicon or this has not been referenced correctly!
JS Error Test79% of top 100 sites passed
  • There are no severe JavaScript errors on this webpage.
Console Errors Test41% of top 100 sites passed
  • This webpage has some errors caught by the Chrome DevTools Console!
See results list
Charset Declaration Test100% of top 100 sites passed
  • This webpage has a character encoding declaration.
Content-Type: text/html; charset=utf-8
Social Media Test57% of top 100 sites passed
  • This webpage is connected successfully with social media using:
Facebook Twitter 
Speed optimizations
Score: 79
Failed: 5
Warnings: 1
Passed: 18
HTML Page Size Test21% of top 100 sites passed
DOM Size Test54% of top 100 sites passed
  • The Document Object Model (DOM) of this webpage has 4,433 nodes which is greater than the recommended value of 1,500 nodes! A large DOM size negatively affects site performance and increases the page load time.
HTML Compression/GZIP Test97% of top 100 sites passed
  • This webpage is successfully compressed using gzip compression on your code. The HTML code is compressed from 3466.54 Kb to 433.79 Kb (87% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test66% of top 100 sites passed
  • The loading time of this webpage (measured from N. Virginia, US) is around 4.0 seconds and this is under the average loading speed which is 5 seconds.
Accurate loading speed and website loading speed monitor

Get detailed and accurate loading speed reports for your websites and see how your pages are being loaded over time.

Register for free and use the Loading Speed Monitor from SEO Site Checkup Toolbox today and get valuable insights on how much time your customers need to wait until they see your page.

JS Execution Time Test71% of top 100 sites passed
  • The JavaScript code used by this webpage is executed in more than 3.5 seconds! When the JavaScript code takes a long time to execute, it slows down the page performance in several ways: longer download times, main thread bottlenecks, delays of "Time To Interactive", memory leaks, etc.
Page Objects Test
  • This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!
Content size by content type
Content type
Percent
Size
javascript
53.9 %
2.07 Mb
css
21.2 %
832.99 Kb
other
9.4 %
369.94 Kb
html
9.3 %
364.08 Kb
image
3.5 %
137.34 Kb
font
2.8 %
108.31 Kb
TOTAL
100%
3.84 Mb
Requests by content type
Content type
Percent
Requests
javascript
47.2 %
51
image
22.2 %
24
other
15.7 %
17
css
9.3 %
10
html
2.8 %
3
font
2.8 %
3
TOTAL
100%
108
Content size by domain
Domain
Percent
Size
edx.org
55.6 %
2.14 Mb
chatbot-frontend.prod.ai.2u.com
15.9 %
625.72 Kb
beam.edx.org
9.9 %
389.83 Kb
googletagmanager.com
8.5 %
333.79 Kb
edge.fullstory.com
2.4 %
93.98 Kb
fonts.gstatic.com
1.5 %
59.95 Kb
cdn.segment.com
1.5 %
57.52 Kb
js-agent.newrelic.com
0.8 %
32.55 Kb
js.usemessages.com
0.7 %
26.88 Kb
js.hs-analytics.net
0.7 %
26.73 Kb
Other
2.5 %
97.55 Kb
TOTAL
100%
3.84 Mb
Requests by domain
Domain
Percent
Requests
edx.org
50.0 %
54
beam.edx.org
10.2 %
11
cdn.segment.com
5.6 %
6
googletagmanager.com
3.7 %
4
edge.fullstory.com
2.8 %
3
rs.fullstory.com
2.8 %
3
bam.nr-data.net
1.9 %
2
chatbot-frontend.prod.ai.2u.com
1.9 %
2
navi.cohesionapps.com
1.9 %
2
fonts.googleapis.com
1.9 %
2
Other
17.6 %
19
TOTAL
100%
108
Page Cache Test (Server Side Caching)100% of top 100 sites passed
  • This webpage is using a caching mechanism. Caching helps speed page loading times as well as reduces server load.
Flash Test100% of top 100 sites passed
  • This webpage does not include flash objects (an outdated technology that was sometimes used to deliver rich multimedia content). Flash content does not work well on mobile devices, and is difficult for crawlers to interpret.
CDN Usage Test97% of top 100 sites passed
  • This webpage is serving all images, javascript and css resources from CDNs.
See results list
Modern Image Format Test38% of top 100 sites passed
  • This webpage is using images in a modern format.
Image Metadata Test72% of top 100 sites passed
  • This webpage is not using images with large metadata.
Image Caching Test97% of top 100 sites passed
  • This website is using cache headers for images and the browsers will display these images from the cache.
JavaScript Caching Test95% of top 100 sites passed
  • This webpage is using cache headers for all JavaScript resources.
CSS Caching Test96% of top 100 sites passed
  • This webpage is using cache headers for all CSS resources.
JavaScript Minification Test96% of top 100 sites passed
  • All JavaScript files used by this webpage are minified.
See results list
CSS Minification Test100% of top 100 sites passed
  • All CSS resources used by this webpage are minified.
See results list
Render Blocking Resources Test10% of top 100 sites passed
  • This webpage is using render blocking resources! Eliminating render-blocking resources can help this webpage to load significantly faster and will improve the website experience for your visitors.
See results list
Frameset Test100% of top 100 sites passed
  • This webpage does not use frames.
Doctype Test100% of top 100 sites passed
  • This webpage has a doctype declaration.
<!DOCTYPE html>
URL Redirects Test98% of top 100 sites passed
  • This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Time To First Byte Test98% of top 100 sites passed
  • The Time To First Byte value of this webpage is 0.044 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.

0.044 s

0.8 s

1.8 s

First Contentful Paint Test94% of top 100 sites passed
  • The First Contentful Paint value of this webpage is 2.398 seconds. To provide a good user experience, Google recommends that sites should strive to have a First Contentful Paint value of 1.8 seconds or less.

2.398 s

1.8 s

3 s

Largest Contentful Paint Test90% of top 100 sites passed
  • The Largest Contentful Paint duration of this webpage is 2.4 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.

2.4 s

2.5 s

4 s

Largest Contentful Paint element within the viewport:
<img alt="edX homepage" fetchpriority="high" loading="eager" decoding="async" data-nimg="fill" class="absolute m-0 z-[-1] hidden lg:block" style="position:absolute;height:100%;width:100%;left:0;to..." sizes="100vw" srcset="/_next/image?url=https%3A%2F%2Fimages.cdn.edx.org%..." src="/_next/image?url=https%3A%2F%2Fimages.cdn.edx.org%...">
Cumulative Layout Shift Test94% of top 100 sites passed
  • The CLS score of this webpage is 0.0225. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.

0.0225

0.1

0.25

DOM element which contributes the most to CLS score:
Text: You set the goal. We'll mark the path. Career progress isn't always linear. So ...
Html: <div class="bg-putty-200 lg:px-20 lg:py-20 fullwidth">
Score: 0.0218
Server and security
Score: 92
Failed: 1
Warnings: 0
Passed: 8
URL Canonicalization Test97% of top 100 sites passed
Mixed Content Test (HTTP over HTTPS)98% of top 100 sites passed
  • This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test100% of top 100 sites passed
  • This webpage is using the HTTP/2 protocol.
HSTS Test82% of top 100 sites passed
  • This webpage is using the Strict-Transport-Security header.
strict-transport-security: max-age=2592000
Safe Browsing Test100% of top 100 sites passed
  • This website is not currently listed as suspicious (no malware or phishing activity found).
Server Signature Test98% of top 100 sites passed
  • The server signature is off for this webpage.
Directory Browsing Test100% of top 100 sites passed
  • Directory browsing is disabled for this website.
Plaintext Emails Test100% of top 100 sites passed
  • This webpage does not include email addresses in plaintext.
Mobile usability
Score: 100
Failed: 0
Warnings: 0
Passed: 3
Meta Viewport Test88% of top 100 sites passed
  • This webpage is using a viewport meta tag.
<meta name="viewport" content="width=device-width, initial-scale=1" />
Media Query Responsive Test98% of top 100 sites passed
  • This webpage is using CSS media queries, which is the base for responsive design functionalities.
Mobile Snapshot Test
Mobile view
Advanced SEO
Score: 98
Failed: 0
Warnings: 1
Passed: 8
Structured Data Test53% of top 100 sites passed
  • This webpage is using structured data.
See results list
Custom 404 Error Page Test67% of top 100 sites passed
  • This website is using a custom 404 error page. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.
Noindex Tag Test98% of top 100 sites passed
  • This webpage does not use the noindex meta tag. This means that it can be indexed by search engines.
Canonical Tag Test93% of top 100 sites passed
  • This webpage is using the canonical link tag. This tag specifies that the URL: https://www.edx.org/ is preferred to be used in search results. Please ensure that this specification is correct, as canonical tags are often hard-coded and may not always reflect the latest changes in a site's URL structure.
<link href="https://www.edx.org/" rel="canonical"/>
Nofollow Tag Test
  • This webpage does not use the nofollow meta tag. This means that search engines will crawl all links from this webpage.
Disallow Directive Test
  • Your robots.txt file includes a disallow command which instructs search engines to avoid certain parts of your website! You are advised to confirm if access to these resources or pages are intended to be blocked (e.g., if they contain internal-only content or sensitive information).
See results list
SPF Records Test95% of top 100 sites passed
  • This DNS server is using an SPF record.
v=spf1 include:_spf.google.com include:_spf.salesforce.com include:spf.cphosts.net include:_spf.atlassian.net -all
Ads.txt Validation Test68% of top 100 sites passed
  • This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.
Spell Check Test
Check your webpage for misspellings!

Finding and fixing misspellings on your webpage will help both user experience and search engine rankings.


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