3.9 sec in total
163 ms
3.5 sec
148 ms
Visit addictscience.com now to see the best up-to-date Addict Science content for United States and also check out these interesting facts you probably never knew about addictscience.com
The mission of this website is to educate people about the addict experience and the addiction science that explains that experience.
Visit addictscience.comWe analyzed Addictscience.com page load time and found that the first response time was 163 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
addictscience.com performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value5.4 s
20/100
25%
Value8.0 s
21/100
10%
Value610 ms
49/100
30%
Value0.002
100/100
15%
Value8.7 s
36/100
10%
163 ms
934 ms
180 ms
178 ms
239 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 82% of them (37 requests) were addressed to the original Addictscience.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (934 ms) belongs to the original domain Addictscience.com.
Page size can be reduced by 171.8 kB (23%)
759.4 kB
587.6 kB
In fact, the total size of Addictscience.com main page is 759.4 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. 30% of websites need less resources to load. Images take 473.9 kB which makes up the majority of the site volume.
Potential reduce by 63.0 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 63.0 kB or 81% of the original size.
Potential reduce by 75.5 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, Addict Science needs image optimization as it can save up to 75.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 30.8 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 30.8 kB or 16% of the original size.
Potential reduce by 2.5 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. Addictscience.com needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 24% of the original size.
Number of requests can be reduced by 14 (40%)
35
21
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Addict Science. 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 5 to 1 for CSS and as a result speed up the page load time.
addictscience.com
163 ms
www.addictscience.com
934 ms
jquery-1.5.2.min.js
180 ms
slides.min.jquery.js
178 ms
jquery.nyroModal.custom.js
239 ms
main.js
189 ms
style.min.css
188 ms
frontend.min.css
189 ms
addthis_wordpress_public.min.css
238 ms
addthis_widget.js
20 ms
js
54 ms
style.css
268 ms
classic-081711.css
16 ms
ga.js
62 ms
wp-emoji-release.min.js
79 ms
logo.png
192 ms
body_inner.gif
65 ms
bg.png
300 ms
menu_shadow.png
70 ms
menu_dot.png
65 ms
search.png
127 ms
search.gif
127 ms
topic_dot.png
128 ms
submenu.png
129 ms
content_bg.png
187 ms
iStock_91830855_XXXLARGE-300x200.jpg
122 ms
im11.jpg
120 ms
iStock_000013130888XSmall1.jpg
122 ms
iStock_000017634491Small-202x300.jpg
124 ms
gravestone-150x150.jpg
125 ms
iStock_000003937765XSmall-198x300.jpg
127 ms
Heath-Ledger-198x300.jpg
183 ms
im2.jpg
184 ms
analytics.js
29 ms
collect
15 ms
js
60 ms
im11.jpg
68 ms
iStock_91830855_XXXLARGE-300x200.jpg
121 ms
iStock_000013130888XSmall1.jpg
182 ms
iStock_000017634491Small-202x300.jpg
117 ms
gravestone-150x150.jpg
121 ms
iStock_000003937765XSmall-198x300.jpg
120 ms
Heath-Ledger-198x300.jpg
117 ms
im2.jpg
118 ms
jquery.form-n-validate.js
10 ms
addictscience.com 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.
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
Form elements do not have associated labels
Links do not have a discernible name
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.
addictscience.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
addictscience.com 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Addictscience.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 Addictscience.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.
addictscience.com
Open Graph description is not detected on the main page of Addict Science. 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: