888 ms in total
112 ms
393 ms
383 ms
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The Dean of Students Office is dedicated to building a campus residential and social community that is welcoming, open and accessible to all students.
Visit osl.fas.harvard.eduWe analyzed Osl.fas.harvard.edu page load time and found that the first response time was 112 ms and then it took 776 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
osl.fas.harvard.edu performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value5.4 s
20/100
25%
Value3.3 s
90/100
10%
Value170 ms
92/100
30%
Value0.022
100/100
15%
Value6.4 s
60/100
10%
112 ms
24 ms
89 ms
31 ms
27 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 32% of them (9 requests) were addressed to the original Osl.fas.harvard.edu, 61% (17 requests) were made to Static.hwpi.harvard.edu and 4% (1 request) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (254 ms) relates to the external source Static.hwpi.harvard.edu.
Page size can be reduced by 387.6 kB (36%)
1.1 MB
677.6 kB
In fact, the total size of Osl.fas.harvard.edu main page is 1.1 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. 55% of websites need less resources to load. Images take 578.0 kB which makes up the majority of the site volume.
Potential reduce by 28.8 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 28.8 kB or 75% of the original size.
Potential reduce by 32.2 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. Osl Fas Harvard images are well optimized though.
Potential reduce by 131.2 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 131.2 kB or 62% of the original size.
Potential reduce by 195.3 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. Osl.fas.harvard.edu needs all CSS files to be minified and compressed as it can save up to 195.3 kB or 82% of the original size.
Number of requests can be reduced by 13 (48%)
27
14
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osl Fas 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 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
osl.fas.harvard.edu
112 ms
css__BJ6Ou6QsBRtnFTmxaakamOIS8n4QswDP2XnnZ1sxtaM__NBuvkP6eInGIkb1aJvUHx5PX79XApuxBDkk_77W5tYk__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.css
24 ms
css__DHDDCKC46jLomk0AnmcOPO1pn0BiPsmoAGLSEy39bBE__JfDnmpL51DW6fGsg-E3LGDF0jW9RKdJ5qa8vW_3-BiE__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.css
89 ms
css__ukFgd--Qeb_AE6eTqWPWWelCRufXHpSTcsYnIszcnCw__SApyWl8QYrWaBwwS3ibil5qyNkxA8j6PbU-_x13xBXA__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.css
31 ms
css__0K_5rTsaW7gSJeoDDfov_uE2a91mEIO4aCxmRiDj8lc__wobMMURTOmZq8srXnvz4Qwd_DlVPu2s5NJcf9rJ_3KE__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.css
27 ms
css__VsyKCPJM2Ui9mkJCBG1uTFkOSPhTwNFW-PruCQEBJ3Q__1pH6Gqsyt2tgI4SLKPpQMVe-d2jq1BokePigkIcQ_fA__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.css
32 ms
css__qTBhov6j81VXwPEf5guTmDNsXK37qC0IaPAFtyW71lk__z4kHeTuR8KIX4AmKk_KXKHYnns491dDJKtro8-uV2to__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.css
89 ms
052114_harvard_college_osl_2_small.png
164 ms
a25aff7ad78f7652ae7f44a81aa597ef_normal.png
115 ms
respond.min.js
120 ms
js__dxNQS5pSBKj4Nozgvu7uzgYbAWfG1gS1gCEo0jXHD-w__dt7ihyhLOGZS-d61KuReN57uAkC6scZVzy_fWjxT4RE__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.js
119 ms
js__s1l5mUzqwKGM2l_kbL89I9xj16jGzvB91cRm8IKf1w0__Lb8fBr3DdnZQOY7ClNdlmKFQ-zUwBGspCcJ9illaQWE__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.js
145 ms
js__4YdlTM8nkL3LG1Ha46hFKtpsQoJnRNPS0RG3NmU79yU__8TVC4FNeAvqi7RljihwFi5yE1ewFOU28Q9WbsHLv-2g__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.js
150 ms
js__cIwcFZYzeuMbXIU_nKXyZri73VGaEQpxp_HV7bbVP7k__giILLzK3KFe96DJLe5-jn-HKoAvkYxHhGM4LqAY8smc__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.js
154 ms
js__H5P-Nv3wv8H5B_rfEEJyVBFYixrEffaiqOxL4CYPke4__J7Qg3g0wyNIIXprNXVrYS9r9NraPeBcH5BHCFo66NWE__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.js
168 ms
js__OfqcJQj2ktVpbNpHMhkHAEz2-xTTmzqd1GL6rAWw7uQ__XxbU3e6XC56D4OC1ceMrJtY64iATnHDJq5wtnWhnBIM__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.js
167 ms
facebook.png
166 ms
twitter.png
160 ms
instagram_alt.png
158 ms
wordpress-1.png
146 ms
spring_yard_web.png
254 ms
harvard-logo.png
100 ms
hwpi_basesprite.png
162 ms
event-shield.png
161 ms
menu-expanded.png
160 ms
scholarbase-sprite.png
164 ms
css__bkbhsV1m9_igr7PAm-BeLdEhmjdgJKuF1ZMCBzf9Fmk__oI0hu8OZBVMyakd0fyCHXqjHlz9936v4XBecZRDAzd0__XMPmQG366bN3S60ZhlhVqqrohULesT50UTQc5NvnavM.css
152 ms
ga.js
114 ms
osl.fas.harvard.edu accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
osl.fas.harvard.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
osl.fas.harvard.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osl.fas.harvard.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Osl.fas.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.
osl.fas.harvard.edu
Open Graph description is not detected on the main page of Osl Fas 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: