1.7 sec in total
222 ms
935 ms
563 ms
Welcome to observable.net homepage info - get ready to check Observable best content for United States right away, or after learning these important things about observable.net
Cisco Secure Cloud Analytics, formerly Stealthwatch Cloud, provides behavioral analytics across your network to help you improve threat detection and achieve a stronger security posture.
Visit observable.netWe analyzed Observable.net page load time and found that the first response time was 222 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
observable.net performance score
name
value
score
weighting
Value3.7 s
29/100
10%
Value22.6 s
0/100
25%
Value11.4 s
5/100
10%
Value3,450 ms
2/100
30%
Value0.02
100/100
15%
Value28.0 s
0/100
10%
222 ms
143 ms
29 ms
35 ms
42 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that all of those requests were addressed to Observable.net and no external sources were called. The less responsive or slowest element that took the longest time to load (332 ms) relates to the external source Cisco.com.
Page size can be reduced by 822.4 kB (67%)
1.2 MB
405.9 kB
In fact, the total size of Observable.net main page is 1.2 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. 60% of websites need less resources to load. Javascripts take 960.0 kB which makes up the majority of the site volume.
Potential reduce by 95.5 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 22.6 kB, which is 19% 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 95.5 kB or 82% of the original size.
Potential reduce by 676.2 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 676.2 kB or 70% of the original size.
Potential reduce by 50.7 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. Observable.net needs all CSS files to be minified and compressed as it can save up to 50.7 kB or 33% of the original size.
Number of requests can be reduced by 38 (73%)
52
14
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Observable. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
index.html
222 ms
cdcrSwitch.js
143 ms
ctm-core.js
29 ms
personalization-init.js
35 ms
jquery.min.js
42 ms
utils.min.js
35 ms
granite.min.js
36 ms
jquery.min.js
43 ms
shared.min.js
49 ms
underscore.min.js
48 ms
kernel.min.js
53 ms
modern.min.js
61 ms
cisco-sans.min.css
80 ms
foundation.min.js
80 ms
responsive.min.css
81 ms
clientLib.min.css
78 ms
base-v2.min.css
79 ms
base.min.css
91 ms
base.min.js
91 ms
clientLib-v2.min.css
91 ms
u.min.js
97 ms
clientLib-v2.min.css
94 ms
a11y-menu.min.js
111 ms
clientLib-v2.min.js
112 ms
clientLib-v2.min.css
109 ms
chatbot.js
111 ms
clientLib-v2.min.css
115 ms
clientLib-v2.min.css
125 ms
clientLib.min.css
123 ms
clientLib-v2.min.css
125 ms
granite-utils.min.js
122 ms
list.min.css
132 ms
list.min.js
137 ms
text-v2.min.css
135 ms
clientLib-v2.min.css
136 ms
clientLib-v2.min.js
135 ms
clientLib.min.css
332 ms
clientLib.min.css
128 ms
clientLib.min.js
123 ms
responsive.min.js
305 ms
res_marketing_metrics_rules.js
306 ms
cdcrSwitch.js
28 ms
token.json
154 ms
play.svg
22 ms
s.gif
39 ms
button-icons.svg
24 ms
persistent-ctas.svg
98 ms
nav-arrows.svg
174 ms
facebook.svg
81 ms
twitter.svg
79 ms
linkedin.svg
83 ms
youtube.svg
82 ms
instagram.svg
77 ms
segmentation.segment.js
50 ms
stores.init.js
104 ms
observable.net 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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA IDs are not unique
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
[id] attributes on active, focusable elements are not unique
Some elements have a [tabindex] value greater than 0
observable.net 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
Missing source maps for large first-party JavaScript
observable.net 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 doesn't use 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 Observable.net 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 Observable.net 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.
observable.net
Open Graph data is detected on the main page of Observable. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: