2.5 sec in total
165 ms
1.9 sec
477 ms
Visit openaccessbutton.org now to see the best up-to-date Open Access Button content for United States and also check out these interesting facts you probably never knew about openaccessbutton.org
Free, legal research articles delivered instantly or automatically requested from authors.
Visit openaccessbutton.orgWe analyzed Openaccessbutton.org page load time and found that the first response time was 165 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
openaccessbutton.org performance score
name
value
score
weighting
Value2.7 s
60/100
10%
Value2.7 s
85/100
25%
Value2.7 s
96/100
10%
Value170 ms
93/100
30%
Value0.105
88/100
15%
Value4.6 s
81/100
10%
165 ms
521 ms
300 ms
319 ms
240 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 78% of them (28 requests) were addressed to the original Openaccessbutton.org, 6% (2 requests) were made to Maxcdn.bootstrapcdn.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (887 ms) belongs to the original domain Openaccessbutton.org.
Page size can be reduced by 932.1 kB (66%)
1.4 MB
478.3 kB
In fact, the total size of Openaccessbutton.org main page is 1.4 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. 35% of websites need less resources to load. Javascripts take 940.9 kB which makes up the majority of the site volume.
Potential reduce by 18.4 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 19% 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 18.4 kB or 76% of the original size.
Potential reduce by 26.8 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, Open Access Button needs image optimization as it can save up to 26.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 722.0 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 722.0 kB or 77% of the original size.
Potential reduce by 164.8 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. Openaccessbutton.org needs all CSS files to be minified and compressed as it can save up to 164.8 kB or 83% of the original size.
Number of requests can be reduced by 20 (65%)
31
11
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Access Button. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
openaccessbutton.org
165 ms
openaccessbutton.org
521 ms
bootstrap.min.css
300 ms
jquery-ui-1.10.3.custom.min.css
319 ms
oabutton.css
240 ms
oabutton_mobile.css
242 ms
select2.css
323 ms
select2-bootstrap.css
325 ms
nv.d3.css
321 ms
jquery-1.10.2.min.js
555 ms
jquery-ui-1.10.3.custom.min.js
523 ms
bootstrap.min.js
473 ms
jquery.linkify-1.0-min.js
398 ms
select2.min.js
476 ms
jquery.graphview.js
484 ms
d3.v3.min.js
712 ms
topojson.v1.min.js
551 ms
fisheye.js
603 ms
nv.d3.js
887 ms
etherpad.js
605 ms
map.js
628 ms
css
53 ms
font-awesome.min.css
21 ms
oabutton_logo_final200.png
79 ms
button.png
86 ms
research.png
86 ms
progress.png
163 ms
mountain.jpg
248 ms
bIcY3_3JNqUVRAQQRNVteQ.ttf
68 ms
analytics.js
77 ms
128 ms
glyphicons-halflings-regular.woff
100 ms
fontawesome-webfont.woff
30 ms
88x31.png
62 ms
collect
5 ms
collect
60 ms
openaccessbutton.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
openaccessbutton.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
openaccessbutton.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openaccessbutton.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 Openaccessbutton.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.
openaccessbutton.org
Open Graph description is not detected on the main page of Open Access Button. 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: