2.1 sec in total
436 ms
1.5 sec
147 ms
Visit oapen.org now to see the best up-to-date OAPEN content for United States and also check out these interesting facts you probably never knew about oapen.org
Visit oapen.orgWe analyzed Oapen.org page load time and found that the first response time was 436 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
oapen.org performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value7.9 s
3/100
25%
Value7.3 s
28/100
10%
Value810 ms
36/100
30%
Value0.001
100/100
15%
Value13.9 s
10/100
10%
436 ms
196 ms
179 ms
176 ms
261 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 86% of them (25 requests) were addressed to the original Oapen.org, 7% (2 requests) were made to Platform.twitter.com and 3% (1 request) were made to Syndication.twitter.com. The less responsive or slowest element that took the longest time to load (483 ms) belongs to the original domain Oapen.org.
Page size can be reduced by 149.1 kB (56%)
266.2 kB
117.1 kB
In fact, the total size of Oapen.org main page is 266.2 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. Images take 103.3 kB which makes up the majority of the site volume.
Potential reduce by 12.0 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 12.0 kB or 72% of the original size.
Potential reduce by 32.9 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, OAPEN needs image optimization as it can save up to 32.9 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 72.4 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 72.4 kB or 71% of the original size.
Potential reduce by 31.8 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. Oapen.org needs all CSS files to be minified and compressed as it can save up to 31.8 kB or 72% of the original size.
Number of requests can be reduced by 11 (41%)
27
16
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OAPEN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
oapen.org
436 ms
home
196 ms
css_facw75ftnIOYb_J48EiWQnu3FeMcUDUx1nJSncfUNzk.css
179 ms
css_cQo-DlQstCPJBG1XGNOxnay8gmmC_vOIIQwImeWm5AE.css
176 ms
css_Ucck0e9tZqJWTzPw6NJMnN9UnxuNobA9tyZVTUphVjs.css
261 ms
reset.css
297 ms
layout.css
296 ms
contents.css
483 ms
js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js
452 ms
js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js
183 ms
js_7tl01qZeO8gh4m41dBe5LjEVcYgqFlF7dvSzNgchRUI.js
183 ms
UBcookie.js
178 ms
logo.png
183 ms
feed-icon-14x14.png
88 ms
420987_cover-small.jpg
173 ms
453611_cover-small.jpg
92 ms
459872_cover-small.jpg
183 ms
413210_cover-small.jpg
373 ms
440002_cover-small.jpg
174 ms
bgmenu.png
88 ms
bgmenu-right.png
94 ms
bgbox.png
174 ms
arright.png
174 ms
btnsearch.png
177 ms
widgets.js
85 ms
bgfoot.png
169 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
120 ms
syndication
84 ms
344797743065210880
215 ms
oapen.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
oapen.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
oapen.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oapen.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 Oapen.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.
oapen.org
Open Graph description is not detected on the main page of OAPEN. 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: