1.5 sec in total
342 ms
1 sec
132 ms
Welcome to crl.acrl.org homepage info - get ready to check Crl Acrl best content for United States right away, or after learning these important things about crl.acrl.org
Visit crl.acrl.orgWe analyzed Crl.acrl.org page load time and found that the first response time was 342 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
crl.acrl.org performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value6.6 s
8/100
25%
Value6.3 s
42/100
10%
Value810 ms
36/100
30%
Value0.012
100/100
15%
Value9.7 s
28/100
10%
342 ms
71 ms
145 ms
139 ms
142 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Crl.acrl.org and no external sources were called. The less responsive or slowest element that took the longest time to load (351 ms) belongs to the original domain Crl.acrl.org.
Page size can be reduced by 178.2 kB (61%)
293.7 kB
115.5 kB
In fact, the total size of Crl.acrl.org main page is 293.7 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. 20% of websites need less resources to load. Javascripts take 133.9 kB which makes up the majority of the site volume.
Potential reduce by 9.2 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 4.0 kB, which is 35% 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 9.2 kB or 80% of the original size.
Potential reduce by 18.4 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, Crl Acrl needs image optimization as it can save up to 18.4 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 93.0 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 93.0 kB or 69% of the original size.
Potential reduce by 57.5 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. Crl.acrl.org needs all CSS files to be minified and compressed as it can save up to 57.5 kB or 80% of the original size.
Number of requests can be reduced by 18 (55%)
33
15
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crl Acrl. 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 from 16 to 1 for CSS and as a result speed up the page load time.
crl.acrl.org
342 ms
hw-global.css
71 ms
main.css
145 ms
hw-publisher-global.css
139 ms
hw-publisher-sidebars.css
142 ms
hw-journal-global.css
144 ms
hw-journal-sidebars.css
145 ms
hw-publisher-page-home.css
154 ms
leaderboard.css
204 ms
global_styles.css
231 ms
jquery-min.js
351 ms
fingerprint.js
205 ms
hw-shared.js
273 ms
hw-design1.js
228 ms
hw-global-sidebars.css
207 ms
hw-global-elements.css
209 ms
hw-global-citation.css
241 ms
hw-global-classes.css
234 ms
hw-global-dynamic-elements.css
274 ms
ui.css
203 ms
home-page.css
204 ms
corner.gif
70 ms
journal_logo.jpg
71 ms
go.gif
79 ms
facebook.jpg
72 ms
twitter.jpg
71 ms
ARLTop_Mar16%20v2.jpg
210 ms
cover_shadow.png
138 ms
home_cover.gif
236 ms
announce_shadow_top.2.png
139 ms
announce_shadow_bottom.3.png
155 ms
ARLBoxMar16.jpg
282 ms
jnl-link-bullet.gif
207 ms
dash.gif
208 ms
crl.acrl.org 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
crl.acrl.org 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
crl.acrl.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crl.acrl.org 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 Crl.acrl.org 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.
crl.acrl.org
Open Graph description is not detected on the main page of Crl Acrl. 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: