ocw.mit.edu


Tags Whois Backlink & Rankings Speed Safety Headers Similar Sites Keywords H Tags
Tags Whois Rank Speed Safety Headers Similar Sites Keywords H Tags

ocw.mit.edu Website Info

ocw.mit.edu (MIT OpenCourseWare (OCW) provides free, openly accessible course materials from a vast array of courses offered at MIT. It aims to promote knowledge sharing and lifelong learning by offering resources such as lecture notes, videos, assignments, and exams across multiple disciplines to students, educators, and the general public worldwide.) It's hosted by Fastly. DNS looks Active and website looks Accessable. According to Google, website speed score is 92/100 and FAST. Website looks safe for children. We detected the website language as en.
ocw.mit.edu


ocw.mit.edu Website Tags

Domain Status:
✓ Active
Is Site Accessable?:
✓ Yes
SSL(https):
✓ Yes
Accessable Url:
https://ocw.mit.edu
Title:
MIT OpenCourseWare | Free Online Course Materials from MIT
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
External Links:
34
Internal Links:
816
Mobile Friendly?:
✓ Yes
Canonical URL:
https://ocw.mit.edu/
Language:
en
XML Sitemap:
✗ No
robots.txt:
✓ Yes https://ocw.mit.edu/robots.txt
Favicon:
✗ No

ocw.mit.edu Domain & Whois Details

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Hosting Location:
Country:United States, City:San Francisco, Isp:Fastly, Inc., Org:Fastly, Inc.
Hosting Provider:
Fastly
IP:
151.101.2.132 , 151.101.66.132 , 151.101.130.132 ,



ocw.mit.edu Website Speed (Desktop)

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Overall Category:
FAST
The human readable speed "category"
Speed Index:
92
Speed Index shows how quickly the contents of a page are visibly populated. [Learn more about the Speed Index metric].
Cumulative Layout Shift (CLS):
0.08 (FAST)
The Cumulative Layout Shift (CLS) metric measures how much unexpected layout shifts affect the user experience on a page. These layout shifts occur when content moves around without prior user input. CLS
Time to First Byte (TTFB):
0.293 s (FAST)
TTFB (time to first byte) is the number of milliseconds it takes for a client’s browser to receive the first byte of the response from the web server. Usually, TTFB can be improved with faster hosting and server optimizations. TTFB
First Input Delay (FID):
2 ms (FAST)
First Input Delay (FID) measures the time from when the user interacts with your site for the first time (click a link, tap on a button, etc.) to the time when the browser is able to respond to that interaction. Google recommends keeping FID below 100ms for a good user experience. FID
First Contentful Paint (FCP):
0.933 s (FAST)
FCP (First Contentful Paint) measures the time from a user’s navigation to when the browser renders the first bit of content from the DOM. In other words, FCP marks the time at which the first text or image is painted for the user. According to PageSpeed Insights, FCP should occur in under 2 seconds. FCP
Interaction to Next Paint (INP):
59 ms (FAST)
Interaction to Next Paint (INP) is a web performance metric that measures user interface responsiveness – how quickly a website responds to user interactions like clicks or key presses. Specifically, it measures how much time elapses between a user interaction like a click or key press and the next time the user sees a visual update on the page. INP
Largest Contentful Paint (LCP):
1.554 s (FAST)
Largest Contentful Paint (LCP) is a metric that measures when the largest content in the viewport is rendered. It is used to measure how long it takes for the main content of your webpage to appear on the screen. Everything below 2.5s is considered good LCP time by PageSpeed Insights. LCP
Total Size:
5451 KB
Total Size. Large network payloads cost users real money and are highly correlated with long load times.
Server Response Time:
98 ms
Initial server response time. Keep the server response time for the main document short because all other requests depend on it. [Learn more about the Time to First Byte metric](https://developer.chrome.com/docs/lighthouse/performance/time-to-first-byte/).
Final Url:
https://ocw.mit.edu/
Canonicalized and final URL for the document, after following page redirects (if any).
Last Date Checked:
5/24/2023 1:15:39 PM
The last time we checked this website.
Site Speed Check(Full)

ocw.mit.edu HTML Resources

Type
Request Count
Size
Total
82
5,451 KB
Image
56
4,875 KB
Third-party
26
1,277 KB
Script
10
430 KB
Font
2
82 KB
Stylesheet
4
41 KB
Document
1
15 KB
Other
9
6 KB
Media
0
0 KB

ocw.mit.edu Website Safety

Refresh
Last Check Date:
1/29/2023 3:43:45 AM
Fortiguard:
Education
Mcafee Category:
Education/Reference
OpenDNS:
Educational Institutions
Cloudflare DNS:
OK
MyWot Child Safety:
94

ocw.mit.edu HTTP Headers

Refresh
Accept-Ranges :
bytes
Age :
111
Connection :
keep-alive
Content-Length :
266861
Content-Type :
text/html
Date :
Fri, 12 May 2023 18:03:43 GMT
ETag :
"537cc7d8732b710b30552ac57e25aae0"
Last-Modified :
Thu, 11 May 2023 16:17:42 GMT
strict-transport-security :
max-age=300
Vary :
Accept-Encoding
x-amz-meta-site-id :
ocw-www
x-amz-server-side-encryption :
AES256
X-Cache :
HIT
x-cache-hits :
1
X-Served-By :
cache-lga21932-LGA


ocw.mit.edu W3C HTML Validation Check Now

Last Check Date:
5/27/2023 12:00:00 AM
Errors:
8
Warnings:
0
Info:
2
Check Live:
Check ocw.mit.edu HTML Errors

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ocw.mit.edu Site Keywords

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ocw.mit.edu Site H Tags

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