Nibbler SEO audit for ocw.mit.edu

Overall8.7

The overall score for this website.

Accessibility7.5

How accessible the website is to mobile and disabled users.

The following tests contribute to this score:

Mobile3.0
Internal links6.4
Headings8.8
Page titles 10
URL format 10

Experience7.8

How satisfying the website is likely to be for users.

The following tests contribute to this score:

Mobile3.0
Internal links6.4
Server behaviour8.0
Amount of content9.4
Images9.9
Twitter 10
Printability 10
URL format 10
Popularity 10
Freshness 10

Marketing9.8

How well marketed, and popular the website is.

The following tests contribute to this score:

Internal links6.4
Headings8.8
Amount of content9.4
Twitter 10
Analytics 10
Page titles 10
Incoming links 10
Meta tags 10
Popularity 10
Freshness 10

Technology8.1

How well designed and built the website is.

The following tests contribute to this score:

Mobile3.0
Internal links6.4
Server behaviour8.0
Headings8.8
Images9.9
Meta tags 10
Printability 10
URL format 10

Nibbler tested a sample of 5 pages from this website at 18:46 on 17 Mar 2023 (GMT).

Want white-label SEO audits to share with your clients?

Top priorities for website improvement

Check how the website looks using a mobile and a tablet. Consider adding mobile-only styling using media queries. Some websites employ other techniques for mobile visitors which we cannot currently detect. (read more)
Add meaningful anchor text that describes the link's destination. If the link contains an image, ensure you have provided alt text. (read more)
Ensure your web server returns a 404 HTTP status code for error pages. (read more)

Mobile3.0

Help

None of this website appears to be fully optimised for viewing on a mobile or tablet (using CSS media queries). It is important to make sure your content can be viewed easily across a wide range of devices as a growing percentage of web browsing is now done on phones and tablets.

Check how the website looks using a mobile and a tablet. Consider adding mobile-only styling using media queries. Some websites employ other techniques for mobile visitors which we cannot currently detect.

Device optimised pages

Page	Mobile	Tablet	Viewport
ocw.mit.edu/	Not detected	Not detected	Detected
ocw.mit.edu/course-lists/.../	Not detected	Not detected	Detected
ocw.mit.edu/collections/.../	Not detected	Not detected	Detected
ocw.mit.edu/collections/.../	Not detected	Not detected	Detected
ocw.mit.edu/collections/.../	Not detected	Not detected	Detected

Internal links6.4

Help

164 links have no text describing their destination. Links on a page should describe their destination for the benefit of both screen readers and search engine spiders.

Add meaningful anchor text that describes the link's destination. If the link contains an image, ensure you have provided alt text.

Empty link text

Link URL	Page URL
ocw.mit.edu/courses/11-405-just-money-banking-as-if-society-mattered-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/5-35-introduction-to-experimental-chemistry-fall-2012	ocw.mit.edu/
ocw.mit.edu/courses/res-tll-008-social-and-ethical-responsibilities-of-computing-serc	ocw.mit.edu/
ocw.mit.edu/courses/3-091-introduction-to-solid-state-chemistry-fall-2018	ocw.mit.edu/
ocw.mit.edu/courses/mas-s62-cryptocurrency-engineering-and-design-spring-2018	ocw.mit.edu/
ocw.mit.edu/courses/21l-011-the-film-experience-fall-2013	ocw.mit.edu/
ocw.mit.edu/courses/18-102-introduction-to-functional-analysis-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/11-382-water-diplomacy-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/res-18-010-a-2020-vision-of-linear-algebra-spring-2020	ocw.mit.edu/
ocw.mit.edu/courses/21g-026-global-africa-creative-cultures-spring-2018	ocw.mit.edu/
ocw.mit.edu/courses/6-006-introduction-to-algorithms-spring-2020	ocw.mit.edu/
ocw.mit.edu/courses/16-687-private-pilot-ground-school-january-iap-2019	ocw.mit.edu/
ocw.mit.edu/courses/11-405-just-money-banking-as-if-society-mattered-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/5-35-introduction-to-experimental-chemistry-fall-2012	ocw.mit.edu/
ocw.mit.edu/courses/res-tll-008-social-and-ethical-responsibilities-of-computing-serc	ocw.mit.edu/
ocw.mit.edu/courses/3-091-introduction-to-solid-state-chemistry-fall-2018	ocw.mit.edu/
ocw.mit.edu/courses/mas-s62-cryptocurrency-engineering-and-design-spring-2018	ocw.mit.edu/
ocw.mit.edu/courses/21l-011-the-film-experience-fall-2013	ocw.mit.edu/
ocw.mit.edu/courses/18-102-introduction-to-functional-analysis-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/11-382-water-diplomacy-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/res-18-010-a-2020-vision-of-linear-algebra-spring-2020	ocw.mit.edu/
ocw.mit.edu/courses/21g-026-global-africa-creative-cultures-spring-2018	ocw.mit.edu/
ocw.mit.edu/courses/6-006-introduction-to-algorithms-spring-2020	ocw.mit.edu/
ocw.mit.edu/courses/16-687-private-pilot-ground-school-january-iap-2019	ocw.mit.edu/
ocw.mit.edu/courses/11-405-just-money-banking-as-if-society-mattered-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/5-35-introduction-to-experimental-chemistry-fall-2012	ocw.mit.edu/
ocw.mit.edu/courses/res-tll-008-social-and-ethical-responsibilities-of-computing-serc	ocw.mit.edu/
ocw.mit.edu/courses/3-091-introduction-to-solid-state-chemistry-fall-2018	ocw.mit.edu/
ocw.mit.edu/courses/mas-s62-cryptocurrency-engineering-and-design-spring-2018	ocw.mit.edu/
ocw.mit.edu/courses/21l-011-the-film-experience-fall-2013	ocw.mit.edu/
ocw.mit.edu/courses/18-102-introduction-to-functional-analysis-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/11-382-water-diplomacy-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/res-18-010-a-2020-vision-of-linear-algebra-spring-2020	ocw.mit.edu/
ocw.mit.edu/courses/21g-026-global-africa-creative-cultures-spring-2018	ocw.mit.edu/
ocw.mit.edu/courses/6-006-introduction-to-algorithms-spring-2020	ocw.mit.edu/
ocw.mit.edu/courses/16-687-private-pilot-ground-school-january-iap-2019	ocw.mit.edu/
ocw.mit.edu/courses/11-405-just-money-banking-as-if-society-mattered-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/5-35-introduction-to-experimental-chemistry-fall-2012	ocw.mit.edu/
ocw.mit.edu/courses/res-tll-008-social-and-ethical-responsibilities-of-computing-serc	ocw.mit.edu/
ocw.mit.edu/courses/3-091-introduction-to-solid-state-chemistry-fall-2018	ocw.mit.edu/
ocw.mit.edu/courses/mas-s62-cryptocurrency-engineering-and-design-spring-2018	ocw.mit.edu/
ocw.mit.edu/courses/21l-011-the-film-experience-fall-2013	ocw.mit.edu/
ocw.mit.edu/courses/18-102-introduction-to-functional-analysis-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/11-382-water-diplomacy-spring-2021	ocw.mit.edu/
ocw.mit.edu/courses/res-18-010-a-2020-vision-of-linear-algebra-spring-2020	ocw.mit.edu/
ocw.mit.edu/courses/21g-026-global-africa-creative-cultures-spring-2018	ocw.mit.edu/
ocw.mit.edu/courses/6-006-introduction-to-algorithms-spring-2020	ocw.mit.edu/
ocw.mit.edu/courses/16-687-private-pilot-ground-school-january-iap-2019	ocw.mit.edu/
ocw.mit.edu/courses/21l-021-comedy-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/18-s191-introduction-to-computational-thinking-fall-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-21g-505-kanji-learning-any-time-any-place-for-japanese-v-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-17-002-mit-governance-lab-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/res-10-002-ethics-of-ai-bias-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/res-14-003-the-roosevelt-project-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/24-900-introduction-to-linguistics-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-18-011-algebra-i-student-notes-fall-2021	ocw.mit.edu/
ocw.mit.edu/courses/res-18-012-algebra-ii-student-notes-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-9-004-nancys-brain-talks-fall-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-2-008-thermodynamics-and-climate-change-summer-2020	ocw.mit.edu/
ocw.mit.edu/courses/res-tll-008-social-and-ethical-responsibilities-of-computing-serc	ocw.mit.edu/
ocw.mit.edu/courses/21l-021-comedy-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/18-s191-introduction-to-computational-thinking-fall-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-21g-505-kanji-learning-any-time-any-place-for-japanese-v-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-17-002-mit-governance-lab-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/res-10-002-ethics-of-ai-bias-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/res-14-003-the-roosevelt-project-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/24-900-introduction-to-linguistics-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-18-011-algebra-i-student-notes-fall-2021	ocw.mit.edu/
ocw.mit.edu/courses/res-18-012-algebra-ii-student-notes-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-9-004-nancys-brain-talks-fall-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-2-008-thermodynamics-and-climate-change-summer-2020	ocw.mit.edu/
ocw.mit.edu/courses/res-tll-008-social-and-ethical-responsibilities-of-computing-serc	ocw.mit.edu/
ocw.mit.edu/courses/21l-021-comedy-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/18-s191-introduction-to-computational-thinking-fall-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-21g-505-kanji-learning-any-time-any-place-for-japanese-v-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-17-002-mit-governance-lab-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/res-10-002-ethics-of-ai-bias-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/res-14-003-the-roosevelt-project-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/24-900-introduction-to-linguistics-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-18-011-algebra-i-student-notes-fall-2021	ocw.mit.edu/
ocw.mit.edu/courses/res-18-012-algebra-ii-student-notes-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-9-004-nancys-brain-talks-fall-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-2-008-thermodynamics-and-climate-change-summer-2020	ocw.mit.edu/
ocw.mit.edu/courses/res-tll-008-social-and-ethical-responsibilities-of-computing-serc	ocw.mit.edu/
ocw.mit.edu/courses/21l-021-comedy-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/18-s191-introduction-to-computational-thinking-fall-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-21g-505-kanji-learning-any-time-any-place-for-japanese-v-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-17-002-mit-governance-lab-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/res-10-002-ethics-of-ai-bias-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/res-14-003-the-roosevelt-project-spring-2023	ocw.mit.edu/
ocw.mit.edu/courses/24-900-introduction-to-linguistics-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-18-011-algebra-i-student-notes-fall-2021	ocw.mit.edu/
ocw.mit.edu/courses/res-18-012-algebra-ii-student-notes-spring-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-9-004-nancys-brain-talks-fall-2022	ocw.mit.edu/
ocw.mit.edu/courses/res-2-008-thermodynamics-and-climate-change-summer-2020	ocw.mit.edu/
ocw.mit.edu/courses/res-tll-008-social-and-ethical-responsibilities-of-computing-serc	ocw.mit.edu/
ocw.mit.edu/courses/11-165j-urban-energy-systems-and-policy-fall-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/4-401-environmental-technologies-in-buildings-fall-2018	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-001-climate-action-hands-on-harnessing-science-with-communities-to-cut-carbon-january-iap-2017	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/10-626-electrochemical-energy-systems-spring-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/22-081j-introduction-to-sustainable-energy-fall-2010	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-165j-urban-energy-systems-and-policy-fall-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/4-401-environmental-technologies-in-buildings-fall-2018	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-001-climate-action-hands-on-harnessing-science-with-communities-to-cut-carbon-january-iap-2017	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/10-626-electrochemical-energy-systems-spring-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/22-081j-introduction-to-sustainable-energy-fall-2010	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-165j-urban-energy-systems-and-policy-fall-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/4-401-environmental-technologies-in-buildings-fall-2018	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-001-climate-action-hands-on-harnessing-science-with-communities-to-cut-carbon-january-iap-2017	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/10-626-electrochemical-energy-systems-spring-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/22-081j-introduction-to-sustainable-energy-fall-2010	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-165j-urban-energy-systems-and-policy-fall-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/4-401-environmental-technologies-in-buildings-fall-2018	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-001-climate-action-hands-on-harnessing-science-with-communities-to-cut-carbon-january-iap-2017	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/10-626-electrochemical-energy-systems-spring-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/22-081j-introduction-to-sustainable-energy-fall-2010	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-390-new-enterprises-spring-2013	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-s21-nuts-and-bolts-of-business-plans-january-iap-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/ids-910-leadership-development-fall-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-369-seminar-in-corporate-entrepreneurship-fall-2015	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-390-new-enterprises-spring-2013	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-s21-nuts-and-bolts-of-business-plans-january-iap-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/ids-910-leadership-development-fall-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-369-seminar-in-corporate-entrepreneurship-fall-2015	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-390-new-enterprises-spring-2013	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-s21-nuts-and-bolts-of-business-plans-january-iap-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/ids-910-leadership-development-fall-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-369-seminar-in-corporate-entrepreneurship-fall-2015	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-390-new-enterprises-spring-2013	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-s21-nuts-and-bolts-of-business-plans-january-iap-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/ids-910-leadership-development-fall-2014	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/15-369-seminar-in-corporate-entrepreneurship-fall-2015	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-006-teaching-with-sustainability-january-iap-2022	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-382-water-diplomacy-spring-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/2-60j-fundamentals-of-advanced-energy-conversion-spring-2020	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/cms-631-data-storytelling-studio-climate-change-spring-2017	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-003-earthdnas-climate-101-fall-2019	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-368-environmental-justice-law-and-policy-fall-2019	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/1-74-land-water-food-and-climate-fall-2020	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-s955-the-sustainability-response-to-covid-19-january-iap-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-006-teaching-with-sustainability-january-iap-2022	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-382-water-diplomacy-spring-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/2-60j-fundamentals-of-advanced-energy-conversion-spring-2020	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/cms-631-data-storytelling-studio-climate-change-spring-2017	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-003-earthdnas-climate-101-fall-2019	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-368-environmental-justice-law-and-policy-fall-2019	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/1-74-land-water-food-and-climate-fall-2020	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-s955-the-sustainability-response-to-covid-19-january-iap-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-006-teaching-with-sustainability-january-iap-2022	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-382-water-diplomacy-spring-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/2-60j-fundamentals-of-advanced-energy-conversion-spring-2020	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/cms-631-data-storytelling-studio-climate-change-spring-2017	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-003-earthdnas-climate-101-fall-2019	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-368-environmental-justice-law-and-policy-fall-2019	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/1-74-land-water-food-and-climate-fall-2020	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-s955-the-sustainability-response-to-covid-19-january-iap-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-006-teaching-with-sustainability-january-iap-2022	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-382-water-diplomacy-spring-2021	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/2-60j-fundamentals-of-advanced-energy-conversion-spring-2020	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/cms-631-data-storytelling-studio-climate-change-spring-2017	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/res-env-003-earthdnas-climate-101-fall-2019	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-368-environmental-justice-law-and-policy-fall-2019	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/1-74-land-water-food-and-climate-fall-2020	ocw.mit.edu/collections/.../
ocw.mit.edu/courses/11-s955-the-sustainability-response-to-covid-19-january-iap-2021	ocw.mit.edu/collections/.../

Server behaviour8.0

Help

404 page

Yes Compression

This website does not return a 404 error HTTP status code for missing pages. This is bad because search engines like Google might mistake this for a real page of content.
- Ensure your web server returns a 404 HTTP status code for error pages.
  Incorrectly handling 404
  Page HTTP code
  ocw.mit.edu/6414b59a1bbf17.59411320 902
This website was served with GZIP encoding. This is very good because it reduces the loading time of a web page.
This website follows the best practice of using a permanent (HTTP 301) redirect between URLs with/without trailing slashes. This is ideal.
This website follows the best practice of using a permanent (HTTP 301) redirect from http://www.ocw.mit.edu to http://ocw.mit.edu. This is ideal.

Page	HTTP code
ocw.mit.edu/6414b59a1bbf17.59411320	902

Headings8.8

Help

All pages were found to use defined headings. This is excellent as it allows visitors and search engines to summarise the content of webpages quickly. Correctly defined headings aid accessibility and are particularly important for search engine optimisation.
Some headings (4.0%) were found to be empty, or incorrectly defined. Empty or invalid headings are of no value to search engines and make a website less accessible.
- Make sure all headings have content which is relevant to the page of content.
Some pages did not define headings correctly. The H1 tag should be used for the most top-level heading, with H2 being used for sub-headings and H3 for further sub-headings and so-on. Not conforming to this convention may confuse visitors.
- Ensure that headings are defined in a semantically correct way, i.e. always start with a H1 tag. This is used to summarise the page content. Further tags (H2, H3, H4 etc) are meant to summarise and partition sections within the content.

Page headings detail

URL	Heading	Level
ocw.mit.edu/	Unlocking knowledge, Empowering Minds.	H2
ocw.mit.edu/	MIT Open Learning Library	H2
ocw.mit.edu/	New episode, Feb. 22nd, 2023: Opening Computer Science to Everyone with Chancellor Eric Grimson	H2
ocw.mit.edu/	Social and Ethical Responsibilities of Computing (SERC)	H2
ocw.mit.edu/	Featured Courses	H2
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ocw.mit.edu/	23135	2693
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ocw.mit.edu/collections/.../	5652	692
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All pages were found to use page titles appropriately. Page titles appear in search results and at the top of the browser's window when visiting the site. Appropriate page titles are particularly important for search engine optimisation.

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Page title	Notes
MIT OpenCourseWare \| Free Online Course Materials	OK
MIT Open Learning Library \| MIT OpenCourseWare \| Free Online Course Materials	OK
Energy \| MIT OpenCourseWare \| Free Online Course Materials	OK
Entrepreneurship \| MIT OpenCourseWare \| Free Online Course Materials	OK
Environment & Sustainability \| MIT OpenCourseWare \| Free Online Course Materials	OK

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MIT OpenCourseWare | Free Online Course Materials

ocw.mit.edu/

MIT OpenCourseWare is a web based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity

All pages were found to include a meta description. This is good because search engines (like Google) show this text in search result pages.

Meta Tags (name attribute)

Page URL	Name	Content
ocw.mit.edu/	generator	Hugo 0.110.0
ocw.mit.edu/	viewport	width=device-width, initial-scale=1, viewport-fit=cover
ocw.mit.edu/	description	MIT OpenCourseWare is a web based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity
ocw.mit.edu/	keywords	opencourseware,MIT OCW,courseware,MIT opencourseware,Free Courses,class notes,class syllabus,class materials,tutorials,online courses,MIT courses
ocw.mit.edu/course-lists/.../	viewport	width=device-width, initial-scale=1, viewport-fit=cover
ocw.mit.edu/course-lists/.../	description	The MIT Open Learning Library is home to selected educational content from MIT OpenCourseWare and [MITx courses](https://www.edx.org/school/mitx), available for free to anyone in the world at any time. #### How MIT Open Learning Library Differs from MIT OpenCourseWare and MITx on edX You can think of OCW, MITx, and Open Learning Library along a spectrum of learning scenarios, presenting content in different formats to meet different learner needs. - MITx courses are end-to-end course experiences with optional certificates available for you to earn, live teaching support and interaction with other learners in discussion forums, and start and end dates. - MIT OpenCourseWare offers a completely self-guided experience with published content from MIT courses that is open all of the time and licensed for download, remix, and reuse, but does not offer certificates nor interaction with teachers and learners. - MIT Open Learning Library sits in between MITx and OCW. As in many MITx courses, Open Learning Library provides interactive course experiences that include auto-graded assessments that give you instant feedback and allow you to track your progress as you work your way through the subject matter. And like OCW, this content is always open and self-guided and includes no live support, discussion forum, or certificates. MIT is committed to sharing learning materials with the world. The Open Learning Library provides additional opportunities to learn from MIT at your own pace, engaging with interactive problems and receiving instant feedback. #### Interactive Assessments and Progress Tracking You can view and use all Open Learning Library materials without enrolling ([learn more here](https://openlearning.mit.edu/courses-programs/open-learning-library)). If you want to track your progress through a course, create a free Open Learning Library account, and then enroll in the course. The learning experience will be similar to [MITx courses](https://openlearning.mit.edu/courses-programs/mitx-courses) running on edX and MITx Online platforms. However, Open Learning Library does not include discussion forums, certificates, or the ability to transfer your progress to an active MITx course. Open Learning Library resources designated as OCW content are free to download, remix, and reuse for non-commercial purposes. Resources designated as MITx content have varying licenses: some are All Rights Reserved, others Creative Commons, and some have mixed licenses. You will see the license type indicated on the About Pages.
ocw.mit.edu/course-lists/.../	keywords	opencourseware,MIT OCW,courseware,MIT opencourseware,Free Courses,class notes,class syllabus,class materials,tutorials,online courses,MIT courses
ocw.mit.edu/collections/.../	viewport	width=device-width, initial-scale=1, viewport-fit=cover
ocw.mit.edu/collections/.../	description	Photo by Flickr user [Changhua Coast Conservation Action](http://www.flickr.com/photos/waders/). Seeking to understand and transform the world’s energy systems, MIT researchers and students investigate all aspects of energy. They discover new ways of generating and storing energy, as in creating biofuels from plant waste and in holding electricity from renewable sources in cost-effective, high-capacity batteries. They create models and design experiments to determine how we can improve energy efficiency at all scales, from nanostructures and photovoltaic cells to large power plants and smart electrical grids. They analyze how people make decisions about energy, whether as individual consumers or whole nations, and they forecast what the social and environmental consequences of these decisions might be. In fact, the study of energy is so important and so pervasive at MIT, the [MIT Energy Initiative](http://energy.mit.edu/) has devised an undergraduate [Energy Studies Minor](https://energy.mit.edu/education/undergraduate/minor/) which develops the expertise needed to reshape how the world uses energy. The Energy Studies Minor consists of a core of foundational subjects, complemented by a choice of electives which allow students to tailor their Energy Minor to their particular interests. Many of the Energy Minor subjects are represented on OCW, and listed below. In addition to its core and elective courses, some other energy courses which are not officially part of the Energy Minor program are also listed.
ocw.mit.edu/collections/.../	keywords	opencourseware,MIT OCW,courseware,MIT opencourseware,Free Courses,class notes,class syllabus,class materials,tutorials,online courses,MIT courses
ocw.mit.edu/collections/.../	viewport	width=device-width, initial-scale=1, viewport-fit=cover
ocw.mit.edu/collections/.../	description	Massachusetts Institute of Technology has always been associated with major scientific and technological breakthroughs. But the breakthroughs alone do not explain the impact that MIT has had on the world. For that we have to look at entrepreneurship, which starts with the "Mens et Manus" (Mind and Hand) slogan on the Great Seal of MIT. For faculty, students, and alumni, MIT is all about making discoveries and inventions and then applying these discoveries and inventions to solve real problems. In a very tangible way, MIT faculty and graduates invent the future, and entrepreneurship—the building of new businesses—is often the road to that future. ![Title screen from the video, 'The Ecosystem: Nurturing Entrepreneurship at MIT'.](https://ocw.mit.edu/courses/entrepreneurship/ecosystem_slate2.png) [Watch this video introduction](https://www.youtube.com/watch?v=WSkDqpBctfA) to entrepreneurship at MIT. The report “[Entrepreneurship and Innovation at MIT](http://web.mit.edu/innovate/entrepreneurship2015.pdf)” examines the impact of MIT graduates who have founded and built for-profit companies. The report estimates that, as of 2014, living MIT alumni have launched more than 30,000 active companies, creating some 4.6 million jobs and generating $1.9 trillion in annual revenue. The cumulative result is the equivalent of the 10th largest economy in the world. This rich legacy of high-impact companies spans a wide range of industries; recent examples include A123 Systems, Akamai, iRobot, InVivo Therapeutics and Dropbox. The following courses represent a selection of the entrepreneurship-related courses offered at MIT. The courses are organized in two ways: Core courses, the starting points for entrepreneurs and Supplemental courses, important once the basics have been mastered Those interested in a general introduction to entrepreneurship as taught at MIT should visit [15.390 New Enterprises](https://ocw.mit.edu/courses/sloan-school-of-management/15-390-new-enterprises-spring-2013) and [15.S21 Nuts and Bolts of Business Plans](https://ocw.mit.edu/courses/sloan-school-of-management/15-s21-nuts-and-bolts-of-business-plans-january-iap-2014). Both courses have video resources. [Watch this video introduction](https://www.youtube.com/watch?v=WSkDqpBctfA) to entrepreneurship at MIT. Those interested in a general introduction to entrepreneurship as taught at MIT should visit [15.390 New Enterprises](https://ocw.mit.edu/courses/sloan-school-of-management/15-390-new-enterprises-spring-2013) and [15.S21 Nuts and Bolts of Business Plans](https://ocw.mit.edu/courses/sloan-school-of-management/15-s21-nuts-and-bolts-of-business-plans-january-iap-2014). Both courses have video resources.
ocw.mit.edu/collections/.../	keywords	opencourseware,MIT OCW,courseware,MIT opencourseware,Free Courses,class notes,class syllabus,class materials,tutorials,online courses,MIT courses
ocw.mit.edu/collections/.../	viewport	width=device-width, initial-scale=1, viewport-fit=cover
ocw.mit.edu/collections/.../	description	Like so many of the big challenges taken on at MIT, environmental and sustainability issues demand an interdisciplinary perspective. From declining fisheries to acute urban pollution to record-breaking global temperatures, the evidence of human impact on the environment continues to mount. And at the same time, the environment shapes us, as human society and institutions are built upon our connection to the weather, land, water, and other species. What can we learn from ecological systems and cycles? What solutions will allow people and the planet to thrive? MIT scholars, students and alumni are working to understand and help us make progress toward a more sustainable and just world. This core mission draws upon all of the fields represented at MIT: not just science, engineering, and technology, but also the humanities, arts, economics, history, architecture, urban planning, management, policy, and more. This OCW course collection is inspired by two interdisciplinary MIT programs. Many of the undergraduate courses fall within the [undergraduate Environment and Sustainability Minor](http://environmentalsolutions.mit.edu/environment-sustainability-minor/) managed by MIT’s Environmental Solutions Initiative (ESI); the OCW course list employs the undergraduate minor’s four topic pillars. Many of the graduate-level courses are part of the [MIT Sloan School of Management Sustainability Certificate](http://mitsloan.mit.edu/sustainability/sustainability-certificate) curriculum. Also check out the [MIT Climate Portal](https://climate.mit.edu) for many other Creative Commons-licensed open educational resources on climate change, including brief Explainer articles on key topics and the award-winning TILClimate podcast with educator guides.
ocw.mit.edu/collections/.../	keywords	opencourseware,MIT OCW,courseware,MIT opencourseware,Free Courses,class notes,class syllabus,class materials,tutorials,online courses,MIT courses

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Last updated March 16, 2023

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02/02/2023	ocw.mit.edu/.../1bd0528076c75313960844cd7028ab92_mit3-091f18.jpg	Last modified header
07/02/2023	ocw.mit.edu/.../5bffed1db8808a9990e7cce29e5b27c6_res-tll-008f21.jpg	Last modified header
14/04/2022	ocw.mit.edu/.../ce5292bdc254d0abddc90a2fb3390ecd_5-35f12.jpg	Last modified header
14/04/2022	ocw.mit.edu/.../df428d951eb8872531fb78b5bb5c9182_11-405s21.png	Last modified header
16/03/2023	ocw.mit.edu/.../ocw_logo_white_v2.svg	Last modified header
15/03/2023	ocw.mit.edu/.../www.e982f.css	Last modified header

Domain agei

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Insites creates professional website reports that can be shared with your clients.

How does Insites compare?

	Nibbler	Insites
Tests	17 fixed tests	50+ testsCovers SEO, SEM, Google My Business, reviews, social media and much more
Add your branding	No	Yes
Export & share	No	PDF & link
Lead generation	No	Embed on your site
Competitor audits	No	Yes
Test as a batch	No	Yes
Integrations + API	No	Yes
Multi-lingual	No	20+ languages
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Nibbler SEO audit for ocw.mit.edu

Summary

Overall8.7

Accessibility7.5

Experience7.8

Marketing9.8

Technology8.1

Top priorities for website improvement

Mobile3.0

Device optimised pages

Internal links6.4

Empty link text

Server behaviour8.0

Incorrectly handling 404

Headings8.8

Page headings detail

Amount of content9.4

Amount of content discovered

Images9.9

Non Explicitly Sized Images

Unavailable images

Twitter10.0

Analytics10.0

Page titles10.0

Page titles

Incoming links10.0

Meta tags10.0

Meta Tags (name attribute)

Printability10.0

Media specific CSS detected

URL format10.0

Popularity10.0

Freshness10.0

All dates found

Domain agei

Fast, branded website audits

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