44.4 sec in total
331 ms
33.2 sec
10.9 sec
Click here to check amazing Science 20 content for United States. Otherwise, check out these important facts you probably never knew about science20.com
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Visit science20.comWe analyzed Science20.com page load time and found that the first response time was 331 ms and then it took 44.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
science20.com performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value9.8 s
0/100
25%
Value6.2 s
44/100
10%
Value1,310 ms
18/100
30%
Value0
100/100
15%
Value12.2 s
15/100
10%
331 ms
309 ms
267 ms
385 ms
118 ms
Our browser made a total of 109 requests to load all elements on the main page. We found that 34% of them (37 requests) were addressed to the original Science20.com, 5% (5 requests) were made to Match.adsrvr.org and 5% (5 requests) were made to Dsum.casalemedia.com. The less responsive or slowest element that took the longest time to load (9.5 sec) belongs to the original domain Science20.com.
Page size can be reduced by 1.2 MB (62%)
1.9 MB
748.7 kB
In fact, the total size of Science20.com main page is 1.9 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 875.3 kB which makes up the majority of the site volume.
Potential reduce by 57.1 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. 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 57.1 kB or 74% of the original size.
Potential reduce by 6.5 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. Science 20 images are well optimized though.
Potential reduce by 586.3 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 586.3 kB or 67% of the original size.
Potential reduce by 549.2 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. Science20.com needs all CSS files to be minified and compressed as it can save up to 549.2 kB or 82% of the original size.
Number of requests can be reduced by 59 (66%)
89
30
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science 20. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and as a result speed up the page load time.
science20.com
331 ms
www.science20.com
309 ms
css_dcd443b8e6cd6519ef00be7f99437743.css
267 ms
js_3fcee1d6a4a2f79348781c09d4f6ffcb.js
385 ms
counter.js
118 ms
t.php
405 ms
ga.js
337 ms
mask.png
307 ms
header-bg.jpg
316 ms
sb-logo.png
317 ms
newl-sm.png
313 ms
feed.png
313 ms
physicalsciences.jpg
312 ms
earthsciences.jpg
1497 ms
lifesciences.jpg
1673 ms
medicine.jpg
1528 ms
socialsciences.jpg
446 ms
culture.jpg
430 ms
ACSH.JPG
431 ms
sc300.png
431 ms
7.jpg
430 ms
21855.jpg
431 ms
no_avatar.gif
492 ms
uat_34759.js
970 ms
__utm.gif
101 ms
adserv_34759.js
488 ms
generic
155 ms
usermatch
178 ms
idSync
276 ms
technorati-tech_tag.js
502 ms
generic
218 ms
bounce
417 ms
usermatch
277 ms
1219 ms
casale
1218 ms
pixel
1219 ms
casale
1218 ms
usermatchredir
1252 ms
ttj
1241 ms
search.js
998 ms
r.js
734 ms
crum
961 ms
pixel
1259 ms
Wa7_rdHM41cAADzEP-wAAAFIAnsAAAIB
880 ms
crum
1266 ms
cfcm.ashx
1294 ms
net.php
1235 ms
search.js
1229 ms
crum
993 ms
crum
802 ms
vj
666 ms
generic
794 ms
pixel
793 ms
default
655 ms
pixel
966 ms
usersync
613 ms
1
717 ms
47154.gif
541 ms
exelate_sync.xgi
530 ms
rum
706 ms
pixel.gif
685 ms
pixel.gif
255 ms
fpi.js
203 ms
1751 ms
sync
800 ms
quant.js
1451 ms
tap.php
715 ms
async_usersync.html
1347 ms
house.png
1141 ms
comments.png
1058 ms
group.png
998 ms
rss-news.png
999 ms
rss-e-top.png
998 ms
rss-e-mid.png
988 ms
rss-e-bot.png
986 ms
nav-bg.png
983 ms
adcfg
393 ms
addelivery
1225 ms
honeybees_2017.jpg
559 ms
jhVPkYBxHD0
1497 ms
black-trans-70.png
432 ms
cat-header-bg.png
433 ms
bullet-blue.png
432 ms
bg-wht-75.png
1678 ms
sidebar-header-bg.png
1123 ms
footer-bg.png
1375 ms
getjs.aspx
887 ms
rules-p-59TntzuqummDw.js
809 ms
pixel
820 ms
contextweb
771 ms
getjs.static.js
831 ms
www-player-vflMqr8uC.css
755 ms
www-embed-player.js
1985 ms
base.js
5338 ms
pixel;r=1355257627;labels=RhythmImpact.Display.Science%2CCampaign.25954;rf=0;a=p-59TntzuqummDw;url=http%3A%2F%2Fwww.science20.com%2F;fpan=1;fpa=P0-1788039847-1504640952541;ns=0;ce=1;cm=;ref=;je=0;sr=1024x768x32;enc=n;dst=0;et=1504640952541;tzo=-180;ogl=site_name.Science%202%252E0%2Ctype.website%2Curl.http%3A%2F%2Fwww%252Escience20%252Ecom%2F
7765 ms
loading_animation.gif
6930 ms
controls.png
9538 ms
GetAd.aspx
9139 ms
id
6223 ms
8K3Zg6NpZGSge3qWJUIO0OW0x1SCW4IXoAiImY1mvc4.js
7081 ms
ad_status.js
6990 ms
insight.min.js
8570 ms
tags.js
4538 ms
400066.gif
2339 ms
ibs:dpid=96678&dpuuid=5ImsBpR86EgF
2119 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
3755 ms
RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
3725 ms
logo_ringo-vflOpz8ZI.png
3645 ms
displayAd.js
369 ms
science20.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.
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
Links do not have a discernible name
science20.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
science20.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Science20.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 Science20.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.
science20.com
Open Graph description is not detected on the main page of Science 20. 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: