1.4 sec in total
37 ms
955 ms
434 ms
Visit summer.harvard.edu now to see the best up-to-date Summer Harvard content for United States and also check out these interesting facts you probably never knew about summer.harvard.edu
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Visit summer.harvard.eduWe analyzed Summer.harvard.edu page load time and found that the first response time was 37 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
summer.harvard.edu performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value6.8 s
7/100
25%
Value5.7 s
50/100
10%
Value1,100 ms
24/100
30%
Value0.048
99/100
15%
Value13.3 s
12/100
10%
37 ms
58 ms
9 ms
10 ms
11 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 35% of them (16 requests) were addressed to the original Summer.harvard.edu, 17% (8 requests) were made to and 7% (3 requests) were made to Tags.tiqcdn.com. The less responsive or slowest element that took the longest time to load (282 ms) belongs to the original domain Summer.harvard.edu.
Page size can be reduced by 838.7 kB (47%)
1.8 MB
935.9 kB
In fact, the total size of Summer.harvard.edu main page is 1.8 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. 70% of websites need less resources to load. Images take 756.8 kB which makes up the majority of the site volume.
Potential reduce by 67.7 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 67.7 kB or 85% of the original size.
Potential reduce by 68.6 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. Summer Harvard images are well optimized though.
Potential reduce by 350.9 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 350.9 kB or 73% of the original size.
Potential reduce by 351.5 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. Summer.harvard.edu needs all CSS files to be minified and compressed as it can save up to 351.5 kB or 77% of the original size.
Number of requests can be reduced by 21 (60%)
35
14
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Summer 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 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
summer.harvard.edu
37 ms
jdu1jjy.js
58 ms
css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css
9 ms
css_jOhem6Da8AkrTJ6bLhh-qr1OfMKN_ZW9rPVk9qztG7g.css
10 ms
css_9sXWNokWBNPXLqBaVCbi7hO3-tUqjB3m4jqXYM_A_A0.css
11 ms
css_1Z09R_ofbfNDuvgNVEUx_K9eDpBQPpkqDVv4dNCcows.css
14 ms
modernizr.js
13 ms
js_JLxuxbhhrFRy-sBnijHkR0TGGHgiukMPv94zvDWgQ3g.js
12 ms
js_g5_I4EWTHoka3FJgC4-_6wG-7vvHC0VbjiSAbmJYdyU.js
17 ms
js_51poojFbEklvi8NXRO-DcU3z9gNL6jvVwFXW6tAkYW0.js
16 ms
js_jnZWQF0lozjovIH-fcSCJKc7Dz7tevIIPnlsYju8ghM.js
16 ms
js_7Ukqb3ierdBEL0eowfOKzTkNu-Le97OPm-UqTS5NENU.js
16 ms
js_MLVgtzZ1ORq9krYqkeOsRay6ou_T-0QZytivuM9tTT8.js
15 ms
js_B2uv6dkjoYobfQVyuXdchgrpnnx4oM0TkP_bDVf8Qrg.js
15 ms
d
234 ms
css_kFe3BiwBYQEkm7YicfBegpoZdsq6ve5D3dTaZVhl_Jw.css
3 ms
Dalya_summer_0.jpg
282 ms
gtm.js
280 ms
HES%20SS%20Dorm_080515_7263.jpg
19 ms
nOM+FH1mqs4Y=
80 ms
1D+fGaK+gFnMFvtzmcd8FrCQRSxmCUtZxnJWiMxVrGaNr1vrWM8GNrKJzRSyRVRtYzs7RNkudrNH7O9jv37RQf2BwxzhKMc4zgmKOOnr9GnOcBYP5zjPhR9ZqrOG
79 ms
1D+fGaK+gFnMFvtzmcd8FrCQRSxmCUtZxnJWiMxVrGaNr1vrWM8GNrKJzRSyRVRtYzs7RNkudrNH7O9jv37RQf2BwxzhKMc4zgmKOOnr9GnOcBYP5zjPhR9ZqrOG
79 ms
nOM+FH1mqs4Y=
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qzoeAt2LvksA
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ALrhvEE=
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8s5gtic9mLvMk9wtYyCIWs4SlLGM5K1jJKlaTwxrWkmu7tZ4N5LFRkrSZLWyVZG1nBzvZxW72kC+538d++YMOSv4Pc4SjHOM4JyjgpO30KU5zhiLOco7z3wDLabS6AAAA
72 ms
conversion_async.js
57 ms
iframe.html
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activityi;src=4493389;type=Summe000;cat=Summe0;ord=3262217430002;~oref=http%3A%2F%2Fsummer.harvard.edu%2F
26 ms
activityi;src=4493389;type=unive0;cat=sum-u0;ord=1110881929123;~oref=http%3A%2F%2Fsummer.harvard.edu%2F
25 ms
p.gif
147 ms
analytics.js
34 ms
53 ms
LightningBolt.js
7 ms
insight.min.js
35 ms
utag.js
27 ms
x71.html
25 ms
collect
21 ms
jquery.min.js
40 ms
59 ms
46 ms
collect
80 ms
utag.js
8 ms
mobile.html
39 ms
imp
16 ms
summer.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
summer.harvard.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
summer.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Summer.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 Summer.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.
summer.harvard.edu
Open Graph description is not detected on the main page of Summer 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: