2.4 sec in total
273 ms
2 sec
124 ms
Click here to check amazing Contrails Iit content for United States. Otherwise, check out these important facts you probably never knew about contrails.iit.edu
Visit contrails.iit.eduWe analyzed Contrails.iit.edu page load time and found that the first response time was 273 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
contrails.iit.edu performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value3.4 s
66/100
25%
Value2.6 s
97/100
10%
Value120 ms
97/100
30%
Value0.324
35/100
15%
Value3.4 s
93/100
10%
273 ms
6 ms
215 ms
215 ms
11 ms
Our browser made a total of 113 requests to load all elements on the main page. We found that 95% of them (107 requests) were addressed to the original Contrails.iit.edu, 4% (4 requests) were made to Google-analytics.com and 1% (1 request) were made to Gl.iit.edu. The less responsive or slowest element that took the longest time to load (759 ms) relates to the external source Library.iit.edu.
Page size can be reduced by 48.4 kB (55%)
88.2 kB
39.7 kB
In fact, the total size of Contrails.iit.edu main page is 88.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 41.3 kB which makes up the majority of the site volume.
Potential reduce by 21.8 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. This page needs HTML code to be minified as it can gain 6.1 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.8 kB or 86% of the original size.
Potential reduce by 14 B
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. Contrails Iit images are well optimized though.
Potential reduce by 16.1 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 16.1 kB or 39% of the original size.
Potential reduce by 10.6 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. Contrails.iit.edu needs all CSS files to be minified and compressed as it can save up to 10.6 kB or 93% of the original size.
Number of requests can be reduced by 72 (89%)
81
9
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contrails Iit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
contrails.iit.edu
273 ms
ga.js
6 ms
script.js
215 ms
galvin.css
215 ms
__utm.gif
11 ms
urchin.js
3 ms
__utm.js
284 ms
spacer.gif
56 ms
toplogo.gif
80 ms
resourcesi.gif
57 ms
featuresi.gif
114 ms
historyi.gif
112 ms
newsi.gif
111 ms
informationi.gif
110 ms
searchi.gif
113 ms
logodots.gif
133 ms
tabresourcesi.gif
163 ms
tabnewsi.gif
163 ms
tabinfoi.gif
164 ms
bgdots.gif
165 ms
rnavvertdots.gif
165 ms
iitlogo.gif
221 ms
contrails.gif
221 ms
rnavhorizdots.gif
216 ms
wadclogo.gif
216 ms
spacer.gif
218 ms
footerdots.gif
218 ms
explorei.gif
270 ms
conferencesi.gif
269 ms
indexesi.gif
274 ms
analysisi.gif
275 ms
spacer.gif
273 ms
aircrafti.gif
274 ms
roswelli.gif
322 ms
spaceracei.gif
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pearlharbori.gif
328 ms
featuredreporti.gif
329 ms
imagegalleryi.gif
324 ms
timelinei.gif
328 ms
iitconnectioni.gif
374 ms
refshelfi.gif
372 ms
whatsnewi.gif
377 ms
statsi.gif
378 ms
awardsi.gif
332 ms
aboutprojecti.gif
332 ms
policiesi.gif
357 ms
creditsi.gif
324 ms
5.jpg
423 ms
library.iit.edu
759 ms
__utm.gif
2 ms
resourcesa.gif
56 ms
resourcesi.gif
56 ms
resourceso.gif
60 ms
featuresa.gif
60 ms
featureso.gif
62 ms
historya.gif
61 ms
historyo.gif
102 ms
newsa.gif
107 ms
newsi.gif
110 ms
newso.gif
109 ms
informationa.gif
111 ms
informationi.gif
111 ms
informationo.gif
153 ms
searcha.gif
160 ms
searchi.gif
162 ms
searcho.gif
162 ms
aska.gif
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aski.gif
164 ms
asko.gif
206 ms
browsea.gif
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browsei.gif
214 ms
browseo.gif
213 ms
explorea.gif
215 ms
exploreo.gif
216 ms
conferencesa.gif
256 ms
conferenceso.gif
263 ms
indexesa.gif
265 ms
indexeso.gif
264 ms
analysisa.gif
266 ms
analysiso.gif
266 ms
booksa.gif
309 ms
booksi.gif
315 ms
bookso.gif
316 ms
aircrafta.gif
317 ms
aircrafto.gif
318 ms
roswella.gif
318 ms
roswello.gif
324 ms
spaceracea.gif
324 ms
spaceraceo.gif
323 ms
pearlharbora.gif
321 ms
pearlharboro.gif
320 ms
featuredreporta.gif
321 ms
featuredreporto.gif
324 ms
imagegallerya.gif
325 ms
imagegalleryo.gif
323 ms
timelinea.gif
324 ms
timelineo.gif
323 ms
iitconnectiona.gif
324 ms
iitconnectiono.gif
324 ms
refshelfa.gif
323 ms
refshelfo.gif
323 ms
whatsnewa.gif
323 ms
whatsnewo.gif
322 ms
statsa.gif
323 ms
statso.gif
324 ms
awardsa.gif
323 ms
awardso.gif
323 ms
aboutprojecta.gif
322 ms
aboutprojecto.gif
322 ms
policiesa.gif
323 ms
policieso.gif
324 ms
creditsa.gif
323 ms
creditso.gif
323 ms
contrails.iit.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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
contrails.iit.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
contrails.iit.edu SEO score
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Contrails.iit.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 Contrails.iit.edu main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
contrails.iit.edu
Open Graph description is not detected on the main page of Contrails Iit. 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: