2.5 sec in total
386 ms
1.8 sec
254 ms
Welcome to cisn.org homepage info - get ready to check CISN best content for United States right away, or after learning these important things about cisn.org
Visit cisn.orgWe analyzed Cisn.org page load time and found that the first response time was 386 ms and then it took 2.1 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.
cisn.org performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value38.3 s
0/100
25%
Value4.8 s
67/100
10%
Value10 ms
100/100
30%
Value0.062
97/100
15%
Value3.2 s
94/100
10%
386 ms
237 ms
357 ms
774 ms
997 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 92% of them (22 requests) were addressed to the original Cisn.org, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (997 ms) belongs to the original domain Cisn.org.
Page size can be reduced by 682.8 kB (71%)
958.7 kB
275.9 kB
In fact, the total size of Cisn.org main page is 958.7 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. Only 10% of websites need less resources to load. Javascripts take 757.1 kB which makes up the majority of the site volume.
Potential reduce by 19.4 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 19.4 kB or 74% of the original size.
Potential reduce by 9.7 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. CISN images are well optimized though.
Potential reduce by 625.5 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 625.5 kB or 83% of the original size.
Potential reduce by 28.2 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. Cisn.org needs all CSS files to be minified and compressed as it can save up to 28.2 kB or 83% of the original size.
We found no issues to fix!
23
23
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CISN. According to our analytics all requests are already optimized.
cisn.org
386 ms
cisn.css
237 ms
jquery-ui-1.10.3.custom.css
357 ms
jquery-1.9.1.js
774 ms
jquery-ui-1.10.3.custom.js
997 ms
analytics.js
76 ms
cisn_anss.gif
139 ms
ui-bg_glass_100_f6f6f6_1x400.png
73 ms
CISNlogos.jpg
135 ms
new_usgs_map_screenshot_normal.jpg
450 ms
nc_inten_small.jpg
278 ms
sc_inten_small.jpg
349 ms
cgs_inten_small.jpg
278 ms
EDC.jpg
283 ms
shakemap.jpg
201 ms
news.gif
270 ms
felt.gif
340 ms
email.gif
347 ms
ui-bg_highlight-soft_100_eeeeee_1x100.png
72 ms
ui-bg_gloss-wave_35_f6a828_500x100.png
73 ms
ui-bg_glass_65_ffffff_1x400.png
73 ms
ui-icons_ef8c08_256x240.png
166 ms
ui-icons_222222_256x240.png
140 ms
collect
14 ms
cisn.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
cisn.org 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
Issues were logged in the Issues panel in Chrome Devtools
cisn.org 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
EN
US
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cisn.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed language. Our system also found out that Cisn.org 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.
cisn.org
Open Graph description is not detected on the main page of CISN. 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: