611 ms in total
24 ms
464 ms
123 ms
Visit search.columbia.edu now to see the best up-to-date Search Columbia content for United States and also check out these interesting facts you probably never knew about search.columbia.edu
Search for people, departments, and websites from across the university
Visit search.columbia.eduWe analyzed Search.columbia.edu page load time and found that the first response time was 24 ms and then it took 587 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
search.columbia.edu performance score
name
value
score
weighting
Value8.0 s
1/100
10%
Value10.6 s
0/100
25%
Value8.0 s
22/100
10%
Value260 ms
84/100
30%
Value0
100/100
15%
Value10.6 s
23/100
10%
24 ms
34 ms
15 ms
21 ms
21 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Search.columbia.edu, 4% (3 requests) were made to Google-analytics.com and 3% (2 requests) were made to Webservices.lamp.columbia.edu. The less responsive or slowest element that took the longest time to load (94 ms) relates to the external source Columbia.edu.
Page size can be reduced by 404.9 kB (39%)
1.0 MB
641.2 kB
In fact, the total size of Search.columbia.edu main page is 1.0 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 484.4 kB which makes up the majority of the site volume.
Potential reduce by 33.1 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 33.1 kB or 80% of the original size.
Potential reduce by 17.6 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. Search Columbia images are well optimized though.
Potential reduce by 232.7 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 232.7 kB or 62% of the original size.
Potential reduce by 121.6 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. Search.columbia.edu needs all CSS files to be minified and compressed as it can save up to 121.6 kB or 83% of the original size.
Number of requests can be reduced by 45 (63%)
72
27
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Search Columbia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.
search.html
24 ms
www.columbia.edu
34 ms
mdetect.js
15 ms
node.css
21 ms
defaults.css
21 ms
system.css
23 ms
system-menus.css
24 ms
user.css
27 ms
content-module.css
25 ms
ckeditor.css
30 ms
ctools.css
31 ms
date.css
33 ms
datepicker.css
34 ms
jquery.timeentry.css
37 ms
filefield.css
37 ms
taxonomy_delegate.css
40 ms
fieldgroup.css
43 ms
views.css
42 ms
columbia2-theme.css
59 ms
theme.css
51 ms
jquery-ui-1.8.4.custom.css
48 ms
colorbox.css
55 ms
jquery-1.4.2.min.js
65 ms
drupal.js
63 ms
wind.js
63 ms
googleanalytics.js
73 ms
jquery.preloader.js
72 ms
cufon-yui.js
73 ms
Trajan_Pro_400.font.js
78 ms
jquery.hoverIntent.minified.js
75 ms
superfish-1.4.8.js
76 ms
jquery-ui-1.8.4.custom.min.js
80 ms
jquery.colorbox-min.js
81 ms
gallery.js
79 ms
columbia2.js
82 ms
theme.js
83 ms
home.js
84 ms
ga.js
88 ms
hiddeniframe.html
87 ms
banner_bg.jpg
25 ms
logo.png
25 ms
columbiacampusfromnwcb.eb__0.jpg
26 ms
junecross.dsc_3064.jpg
28 ms
pixar.insideout.jpg
21 ms
massimino.columbia.space_.jpg
26 ms
hadrianvilla.dsc_4399.jpeg
28 ms
black-history03.jpg
29 ms
button-ce-summer.png
29 ms
footericons.png
32 ms
sprites2.png
29 ms
search_bg_bg.jpg
32 ms
search_bg_left.jpg
34 ms
search_bg_right.jpg
60 ms
sprites1.png
59 ms
link-tw.png
64 ms
ico_instagram_17px.png
62 ms
controls.png
61 ms
border.png
64 ms
loading_background.png
64 ms
loading.gif
65 ms
columbiacampusfromnwcb.eb__0.jpg
67 ms
junecross.dsc_3064.jpg
68 ms
pixar.insideout.jpg
69 ms
massimino.columbia.space_.jpg
71 ms
hadrianvilla.dsc_4399.jpeg
71 ms
ui-bg_highlight-hard_100_f2f5f7_1x100.png
66 ms
header-js.js
94 ms
inpage_linkid.js
15 ms
__utm.gif
18 ms
dynamic-news.php
16 ms
columbia2-print.css
22 ms
black-history03.jpg
54 ms
button-ce-summer.png
50 ms
preloader-91.gif
14 ms
search.columbia.edu accessibility score
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
search.columbia.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
search.columbia.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
robots.txt is not valid
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 Search.columbia.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 Search.columbia.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.
search.columbia.edu
Open Graph description is not detected on the main page of Search Columbia. 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: