4.3 sec in total
377 ms
2.6 sec
1.3 sec
Welcome to columbia47.nationbuilder.com homepage info - get ready to check Columbia 47 Nationbuilder best content for United States right away, or after learning these important things about columbia47.nationbuilder.com
Welcome to Columbia SoCal! Our mission is to connect Columbia alumni in Southern California to one another and to the University. http://www.columbia-socal.org/
Visit columbia47.nationbuilder.comWe analyzed Columbia47.nationbuilder.com page load time and found that the first response time was 377 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
columbia47.nationbuilder.com performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value19.6 s
0/100
25%
Value11.9 s
4/100
10%
Value4,480 ms
0/100
30%
Value0.001
100/100
15%
Value11.4 s
19/100
10%
377 ms
146 ms
230 ms
261 ms
252 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 15% of them (6 requests) were addressed to the original Columbia47.nationbuilder.com, 20% (8 requests) were made to Assets.nationbuilder.com and 15% (6 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Assets.nationbuilder.com.
Page size can be reduced by 900.9 kB (43%)
2.1 MB
1.2 MB
In fact, the total size of Columbia47.nationbuilder.com main page is 2.1 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. 65% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 36.1 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. This page needs HTML code to be minified as it can gain 5.4 kB, which is 12% 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 36.1 kB or 77% of the original size.
Potential reduce by 861.4 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. Obviously, Columbia 47 Nationbuilder needs image optimization as it can save up to 861.4 kB or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 3.1 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 3.1 kB or 13% of the original size.
Potential reduce by 315 B
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. Columbia47.nationbuilder.com has all CSS files already compressed.
Number of requests can be reduced by 16 (59%)
27
11
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Columbia 47 Nationbuilder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
socal.alumni.columbia.edu
377 ms
theme.scss
146 ms
jquery-ui.css
230 ms
main-8c2eba07eac00048396ca2d93ee8c5910a71fab32d0d2ca58e306ee84c6227bf.js
261 ms
font-awesome.min.css
252 ms
css
253 ms
css
504 ms
slick.css
221 ms
slick-theme.css
221 ms
email-decode.min.js
103 ms
liquid-afd4cb8734a76f96f5097a424ed61c3c3354d9f9472cc52b6d1513ee749d49ec.js
549 ms
bootstrap.js
477 ms
equalheight.js
237 ms
slick.min.js
475 ms
widgets.js
491 ms
mir8sij.js
474 ms
SouthernCalifornia_%281%29.jpg
397 ms
staticmap
811 ms
campus.PNG
1036 ms
caa-logo-white.svg
503 ms
nb-footer.svg
507 ms
c-footer.svg
510 ms
sdk.js
321 ms
la_image.jpg
216 ms
2-cO9IRs1JiJN1FRAMjTN5zd9vgsFF_5asQTb6hZ2JKZ_O4ViesC.ttf
490 ms
2-cO9IRs1JiJN1FRAMjTN5zd9vgsFF_5asQTb6hZ2JKZou4ViesC.ttf
708 ms
2-cO9IRs1JiJN1FRAMjTN5zd9vgsFF_5asQTb6hZ2JKZRekViesC.ttf
739 ms
wlp2gwHKFkZgtmSR3NB0oRJfbwhW.ttf
739 ms
wlpogwHKFkZgtmSR3NB0oRJfajhRK_M.ttf
740 ms
fontawesome-webfont.woff
218 ms
invisible.js
161 ms
widget_iframe.7dae38096d06923d683a2a807172322a.html
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d
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sdk.js
239 ms
7539be112e937fed
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p.gif
158 ms
columbia47.nationbuilder.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
columbia47.nationbuilder.com 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
columbia47.nationbuilder.com 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
Image elements do not have [alt] attributes
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Columbia47.nationbuilder.com 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 Columbia47.nationbuilder.com 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.
columbia47.nationbuilder.com
Open Graph data is detected on the main page of Columbia 47 Nationbuilder. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: