1.7 sec in total
264 ms
858 ms
532 ms
Welcome to blog.cardiogr.am homepage info - get ready to check Blog Cardiogr best content for United States right away, or after learning these important things about blog.cardiogr.am
Cardiogram is investigating methods of detecting abnormal heart rhythms using off-the-shelf consumer smartwatches with heart rate sensors, like the Apple Watch. In multiple studies, we’ve validated th...
Visit blog.cardiogr.amWe analyzed Blog.cardiogr.am page load time and found that the first response time was 264 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
blog.cardiogr.am performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value4.3 s
42/100
25%
Value6.5 s
40/100
10%
Value650 ms
46/100
30%
Value0.004
100/100
15%
Value11.0 s
21/100
10%
264 ms
11 ms
78 ms
81 ms
82 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Blog.cardiogr.am, 22% (13 requests) were made to S1.wp.com and 18% (11 requests) were made to S0.wp.com. The less responsive or slowest element that took the longest time to load (422 ms) relates to the external source Graph.facebook.com.
Page size can be reduced by 516.5 kB (50%)
1.0 MB
516.7 kB
In fact, the total size of Blog.cardiogr.am 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. 65% of websites need less resources to load. Javascripts take 651.1 kB which makes up the majority of the site volume.
Potential reduce by 37.7 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 37.7 kB or 72% of the original size.
Potential reduce by 4.7 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. Blog Cardiogr images are well optimized though.
Potential reduce by 462.3 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 462.3 kB or 71% of the original size.
Potential reduce by 11.8 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. Blog.cardiogr.am needs all CSS files to be minified and compressed as it can save up to 11.8 kB or 62% of the original size.
Number of requests can be reduced by 26 (58%)
45
19
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Cardiogr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
blog.cardiogr.am
264 ms
webfont.js
11 ms
78 ms
81 ms
82 ms
style.css
81 ms
s0.wp.com
83 ms
gprofiles.js
89 ms
wpgroho.js
89 ms
89 ms
88 ms
w.js
50 ms
merriweather.css
8 ms
burrito.png
135 ms
app_store.svg
118 ms
master.html
60 ms
hovercard.css
84 ms
services.css
129 ms
graph.facebook.com
244 ms
g.gif
73 ms
graph.facebook.com
412 ms
graph.facebook.com
422 ms
g.gif
69 ms
g.gif
69 ms
divider.png
58 ms
img_0791.png
92 ms
screen-shot-2016-02-11-at-8-57-12-pm.png
96 ms
screen-shot-2016-02-12-at-9-54-29-am.png
92 ms
step_count.png
94 ms
intensity.png
94 ms
minutes_exercise_per_week.png
94 ms
css
94 ms
merriweather-light-webfont.ttf
91 ms
merriweather-regular-webfont.ttf
91 ms
merriweather-bold-webfont.ttf
90 ms
Genericons.svg
66 ms
8AAnjaY2BgYGQAgosrjpwF0ZcUq9bCaABTzgdAAAA=
6 ms
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6 ms
merriweather-lightitalic-webfont.ttf
90 ms
merriweather-italic-webfont.ttf
89 ms
merriweather-bolditalic-webfont.ttf
90 ms
Noticons.svg
117 ms
BaABdRAi2AAAA
5 ms
jquery.js
83 ms
g.gif
61 ms
g.gif
62 ms
g.gif
60 ms
genericons-regular-webfont.ttf
39 ms
global-print.css
14 ms
postmessage.js
4 ms
jed.js
4 ms
underscore.min.js
6 ms
I1Pn3gihk5vyP0Yw5GqKsQ.woff
9 ms
1bHRUMxmJHoup12DnI9XmQ.woff
18 ms
G-cgiyv4b0HVLV2M8HoP9A.woff
18 ms
AcvTq8Q0lyKKNxRlL28Rnz8E0i7KZn-EPnyo3HZu7kw.woff
19 ms
jquery.wpcom-proxy-request.js
25 ms
32 ms
likes-rest.js
3 ms
7 ms
blog.cardiogr.am accessibility score
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
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
blog.cardiogr.am best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
blog.cardiogr.am SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
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 Blog.cardiogr.am 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 Blog.cardiogr.am 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.
blog.cardiogr.am
Open Graph description is not detected on the main page of Blog Cardiogr. 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: