2 sec in total
303 ms
1.6 sec
73 ms
Click here to check amazing Open content for Canada. Otherwise, check out these important facts you probably never knew about open.gl
An extensive, yet beginner friendly guide to using modern OpenGL for game development on all major platforms.
Visit open.glWe analyzed Open.gl page load time and found that the first response time was 303 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 35% of websites can load faster.
open.gl performance score
name
value
score
weighting
Value2.7 s
62/100
10%
Value3.4 s
66/100
25%
Value9.0 s
14/100
10%
Value1,950 ms
8/100
30%
Value0.191
64/100
15%
Value19.6 s
2/100
10%
303 ms
377 ms
90 ms
39 ms
178 ms
Our browser made a total of 18 requests to load all elements on the main page. We found that 39% of them (7 requests) were addressed to the original Open.gl, 11% (2 requests) were made to Cdnjs.cloudflare.com and 11% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (437 ms) relates to the external source Yandex.st.
Page size can be reduced by 24.1 kB (8%)
305.9 kB
281.8 kB
In fact, the total size of Open.gl main page is 305.9 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. Only 10% of websites need less resources to load. Javascripts take 263.7 kB which makes up the majority of the site volume.
Potential reduce by 17.2 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. 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 17.2 kB or 72% of the original size.
Potential reduce by 671 B
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. Open images are well optimized though.
Potential reduce by 5.7 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. This website has mostly compressed JavaScripts.
Potential reduce by 474 B
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. Open.gl needs all CSS files to be minified and compressed as it can save up to 474 B or 19% of the original size.
Number of requests can be reduced by 11 (79%)
14
3
The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
open.gl
303 ms
open.gl
377 ms
stylesheet.css
90 ms
MathJax.js
39 ms
zenburn.min.css
178 ms
highlight.min.js
437 ms
glmatrix.js
267 ms
adsbygoogle.js
164 ms
css
41 ms
css
58 ms
TeX-AMS-MML_HTMLorMML.js
25 ms
accessibility-menu.js
47 ms
mobile.css
90 ms
piwik.js
251 ms
ribbon_fork.png
177 ms
neIFzCqgsI0mp9CI_oU.ttf
57 ms
show_ads_impl.js
392 ms
embed.js
38 ms
open.gl accessibility score
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
Links do not have a discernible name
open.gl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
Page has valid source maps
open.gl SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Open.gl 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 Open.gl 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.
open.gl
Open Graph description is not detected on the main page of Open. 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: