745 ms in total
97 ms
286 ms
362 ms
Visit arn.org now to see the best up-to-date ARN content for United States and also check out these interesting facts you probably never knew about arn.org
Visit arn.orgWe analyzed Arn.org page load time and found that the first response time was 97 ms and then it took 648 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
arn.org performance score
name
value
score
weighting
Value1.1 s
100/100
10%
Value6.9 s
6/100
25%
Value1.5 s
100/100
10%
Value50 ms
100/100
30%
Value0.024
100/100
15%
Value3.0 s
96/100
10%
97 ms
48 ms
78 ms
45 ms
44 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 76% of them (39 requests) were addressed to the original Arn.org, 18% (9 requests) were made to Google.com and 6% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (172 ms) belongs to the original domain Arn.org.
Page size can be reduced by 138.0 kB (11%)
1.3 MB
1.1 MB
In fact, the total size of Arn.org main page is 1.3 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. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 28.1 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. This page needs HTML code to be minified as it can gain 4.5 kB, which is 13% 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 28.1 kB or 79% of the original size.
Potential reduce by 98.0 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. ARN images are well optimized though.
Potential reduce by 144 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 11.7 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. Arn.org needs all CSS files to be minified and compressed as it can save up to 11.7 kB or 82% of the original size.
Number of requests can be reduced by 3 (6%)
48
45
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ARN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
arn.org
97 ms
grn_blk_fade_bg.jpg
48 ms
arn-banner.jpg
78 ms
cse.js
45 ms
Evolution%20News%20and%20Views.jpg
44 ms
Charles_Darwin_statue_5665r.jpg
94 ms
Information%20Enigma.jpg
93 ms
KalamVideoImage_Newsletter_February2015.jpg
65 ms
FineTuningVideoImage_Newsletter_February2015.jpg
95 ms
MoralVideoImage_Newsletter_February2015.jpg
59 ms
Leibniz.jpg
92 ms
Kepler-Copernicus-Galileo-600.jpg
147 ms
Beyond-IC-500.jpg
93 ms
Illustra-Living%20Waters.jpg
155 ms
Illustra-Flight.jpg
138 ms
Illustra-Metamorphosis.jpg
136 ms
Illustra-ID.jpg
137 ms
30-Strauss.jpg
135 ms
49-Meyer-Ross.jpg
138 ms
10-Behe.jpg
139 ms
2-Johnson.jpg
138 ms
4-Johnson-Provine.jpg
153 ms
61-Peltzer.jpg
154 ms
22-Wells.jpg
153 ms
ASA.jpg
154 ms
atheism-2.jpg
154 ms
banner_academicfreedom_90x36.jpg
163 ms
banner_biologicinstitute_90x36.jpg
159 ms
banner_discovery_90x36.jpg
159 ms
evol-in-context.jpg
161 ms
banner_evolvingtimes_90x36.jpg
161 ms
banner_ideacenter_90x36.jpg
161 ms
banner_idthefuture_90x36.jpg
169 ms
banner_intelligentdesignorg_90x36.jpg
169 ms
journey.jpg
169 ms
privilged%20species.jpg
170 ms
rtb-2.jpg
171 ms
banner_dissentfromdarwin_90x36.jpg
170 ms
banner_designinference_90x36.jpg
172 ms
jsapi
19 ms
transparent.gif
162 ms
default+en.css
4 ms
default.css
31 ms
default+en.I.js
8 ms
default.css
77 ms
async-ads.js
56 ms
google_custom_search_watermark.gif
48 ms
small-logo.png
28 ms
search_box_icon.png
28 ms
clear.gif
28 ms
nav_logo114.png
22 ms
arn.org accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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
Links do not have a discernible name
arn.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
arn.org 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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Arn.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Arn.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
arn.org
Open Graph description is not detected on the main page of ARN. 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: