9.1 sec in total
3.8 sec
5 sec
326 ms
Visit developer.rackspace.com now to see the best up-to-date Developer Rackspace content for United States and also check out these interesting facts you probably never knew about developer.rackspace.com
The Rackspace Developer Center gives developers tools and resources to build powerful, scalable apps on the only cloud backed by Fanatical Support®
Visit developer.rackspace.comWe analyzed Developer.rackspace.com page load time and found that the first response time was 3.8 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
developer.rackspace.com performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value8.2 s
2/100
25%
Value6.2 s
43/100
10%
Value1,460 ms
15/100
30%
Value0.15
76/100
15%
Value12.3 s
15/100
10%
3777 ms
104 ms
124 ms
172 ms
294 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Developer.rackspace.com, 32% (6 requests) were made to 8d8dcdd952aa2708c2ff-519cda130c91226e76017ae910bdb276.ssl.cf1.rackcdn.com and 26% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Developer.rackspace.com.
Page size can be reduced by 361.7 kB (50%)
729.7 kB
368.0 kB
In fact, the total size of Developer.rackspace.com main page is 729.7 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. 30% of websites need less resources to load. Javascripts take 408.8 kB which makes up the majority of the site volume.
Potential reduce by 15.4 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 5.1 kB, which is 26% 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 15.4 kB or 79% of the original size.
Potential reduce by 301 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. Developer Rackspace images are well optimized though.
Potential reduce by 253.1 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 253.1 kB or 62% of the original size.
Potential reduce by 93.0 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. Developer.rackspace.com needs all CSS files to be minified and compressed as it can save up to 93.0 kB or 83% of the original size.
Number of requests can be reduced by 4 (36%)
11
7
The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Developer Rackspace. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
developer.rackspace.com
3777 ms
main-6eab19960a3cc438f0952ebf458f69a9bcd55d7e31567b4341ecb938171bf9de.css
104 ms
rackspace-logo-6e84bbbad58ab0f5d8704b46686d31a117593f3a0fd9bff9b466c2fd1eaf909b.svg
124 ms
main.min-4db42233e1cdebce2578f2688eec5fcc043cd9a7f5aa1ee17a0472c134c887e2.js
172 ms
utag.js
294 ms
client
547 ms
analytics.js
235 ms
misc-banner-1-bbf0f84190b962e5d7d08bc5e4e5ae0032101dafef0b683125cf1b57f6f6a94e.jpg
234 ms
quote-background-5b29247445a92b7c2aedaf86bb826677b2b21271b23f2c5c62287b1d01e60194.jpg
173 ms
cJZKeOuBrn4kERxqtaUH3bO3LdcAZYWl9Si6vvxL-qU.woff
34 ms
k3k702ZOKiLJc3WVjuplzKRDOzjiPcYnFooOUGCOsRk.woff
42 ms
anMUvcNT0H1YN4FII8wpr_5rZpfU3XI-FvUPGDRT0xY.woff
60 ms
anMUvcNT0H1YN4FII8wpr1uKlGE8-OjkUKWan_M3D6s.woff
67 ms
7XUFZ5tgS-tD6QamInJTcZ_o9VAbKgK36i-4snuAuCM.woff
67 ms
fontawesome-webfont-e3870de89716b72cb61a4bba0e17c75783b361cdaba35ea96961c3070bd8ca18.woff
96 ms
collect
33 ms
utag.2.js
147 ms
collect
57 ms
s2547697674483
85 ms
developer.rackspace.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
Document doesn't have a <title> element
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
developer.rackspace.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Uses deprecated APIs
Missing source maps for large first-party JavaScript
developer.rackspace.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
Image elements do not have [alt] attributes
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 Developer.rackspace.com 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 Developer.rackspace.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.
developer.rackspace.com
Open Graph description is not detected on the main page of Developer Rackspace. 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: