5.4 sec in total
300 ms
1.3 sec
3.8 sec
Welcome to rdfabout.com homepage info - get ready to check RDF About best content right away, or after learning these important things about rdfabout.com
rdfabout - Archival. Things I wrote about RDF from the mid-2000's. The validator is no longer maintained, sorry.
Visit rdfabout.comWe analyzed Rdfabout.com page load time and found that the first response time was 300 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
rdfabout.com performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value5.1 s
26/100
25%
Value5.5 s
54/100
10%
Value80 ms
99/100
30%
Value0.147
77/100
15%
Value5.3 s
73/100
10%
300 ms
369 ms
105 ms
192 ms
209 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that 11% of them (2 requests) were addressed to the original Rdfabout.com, 53% (10 requests) were made to Assets-cdn.github.com and 16% (3 requests) were made to Github.com. The less responsive or slowest element that took the longest time to load (369 ms) belongs to the original domain Rdfabout.com.
Page size can be reduced by 999.2 kB (75%)
1.3 MB
340.6 kB
In fact, the total size of Rdfabout.com 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. 45% of websites need less resources to load. Javascripts take 655.0 kB which makes up the majority of the site volume.
Potential reduce by 115.3 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 115.3 kB or 74% of the original size.
Potential reduce by 3.8 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, RDF About needs image optimization as it can save up to 3.8 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 462.0 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 462.0 kB or 71% of the original size.
Potential reduce by 418.0 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. Rdfabout.com needs all CSS files to be minified and compressed as it can save up to 418.0 kB or 82% of the original size.
We found no issues to fix!
11
11
The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RDF About. According to our analytics all requests are already optimized.
rdfabout.com
300 ms
rdfabout.com
369 ms
intro-to-rdf.md
105 ms
frameworks-c9ebe75b707357dc366c2f7d27d201cf79f46c84e7c019ebdfdf6330f7e236df.css
192 ms
github-a6e222a9687ffdc5147c3f6bfc0e145a42e3d02c8c5f29690dd19b7542391d57.css
209 ms
site-761fae5b692f533e1cb81ffa93667979373ec8f3d051c871fd56efe92d49825b.css
173 ms
445875
184 ms
445875
181 ms
octocat-spinner-32.gif
169 ms
rdfasagraph.png
85 ms
whatisrdf_1.gif
85 ms
compat-7db58f8b7b91111107fac755dd8b178fe7db0f209ced51fc339c446ad3f8da2b.js
171 ms
frameworks-d7233eaabb7531aaf275fa71e7bca3c43cb11eae12c8359622bd13d725320aee.js
317 ms
github-bf1d97353926ede3c6a4210a3b8773b6e69cb2b173c690b6f906ce18aedb2ca1.js
318 ms
rdfasagraph.png
240 ms
whatisrdf_1.gif
236 ms
roboto-regular.woff
72 ms
roboto-medium.woff
72 ms
roboto-light.woff
72 ms
rdfabout.com accessibility score
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
Buttons do not have an accessible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
rdfabout.com 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
rdfabout.com 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
DE
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rdfabout.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Rdfabout.com 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.
rdfabout.com
Open Graph data is detected on the main page of RDF About. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: