5.5 sec in total
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Welcome to otd.harvard.edu homepage info - get ready to check Otd Harvard best content for United States right away, or after learning these important things about otd.harvard.edu
Harvard's research enterprise is a wellspring of innovation with the potential to improve lives, transform industries, and create tremendous social and…
Visit otd.harvard.eduWe analyzed Otd.harvard.edu page load time and found that the first response time was 2 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
otd.harvard.edu performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value6.3 s
10/100
25%
Value3.8 s
84/100
10%
Value680 ms
44/100
30%
Value0.031
100/100
15%
Value5.3 s
73/100
10%
2010 ms
11 ms
15 ms
42 ms
53 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 75% of them (61 requests) were addressed to the original Otd.harvard.edu, 15% (12 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Otd.harvard.edu.
Page size can be reduced by 252.7 kB (5%)
4.8 MB
4.5 MB
In fact, the total size of Otd.harvard.edu main page is 4.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.6 MB which makes up the majority of the site volume.
Potential reduce by 22.8 kB
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 22.8 kB or 75% of the original size.
Potential reduce by 163.9 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Otd Harvard images are well optimized though.
Potential reduce by 59.0 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 59.0 kB or 48% of the original size.
Potential reduce by 7.0 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Otd.harvard.edu needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 77% of the original size.
Number of requests can be reduced by 25 (37%)
68
43
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otd Harvard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
otd.harvard.edu
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otd.harvard.edu accessibility score
otd.harvard.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Page has valid source maps
otd.harvard.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Otd.harvard.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Otd.harvard.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.
otd.harvard.edu
Open Graph description is not detected on the main page of Otd Harvard. 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: