930 ms in total
411 ms
420 ms
99 ms
Welcome to openclassroom.stanford.edu homepage info - get ready to check Openclassroom Stanford best content for United States right away, or after learning these important things about openclassroom.stanford.edu
Visit openclassroom.stanford.eduWe analyzed Openclassroom.stanford.edu page load time and found that the first response time was 411 ms and then it took 519 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
openclassroom.stanford.edu performance score
name
value
score
weighting
Value1.5 s
96/100
10%
Value1.5 s
100/100
25%
Value1.5 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.5 s
100/100
10%
411 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Openclassroom.stanford.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (411 ms) belongs to the original domain Openclassroom.stanford.edu.
Page size can be reduced by 92 B (38%)
244 B
152 B
In fact, the total size of Openclassroom.stanford.edu main page is 244 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 244 B which makes up the majority of the site volume.
Potential reduce by 92 B
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 92 B or 38% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
openclassroom.stanford.edu
411 ms
openclassroom.stanford.edu accessibility score
openclassroom.stanford.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
openclassroom.stanford.edu SEO score
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openclassroom.stanford.edu can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Openclassroom.stanford.edu main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
openclassroom.stanford.edu
Open Graph description is not detected on the main page of Openclassroom Stanford. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: