1.7 sec in total
182 ms
1.3 sec
208 ms
Click here to check amazing Rtfz Code School content for Nigeria. Otherwise, check out these important facts you probably never knew about rtfz.codeschool.com
We've integrated the interactivity from Code School into the Pluralsight platform. Grow your skills with code courses, assessments, paths and expert-led content on today’s most in-demand technologies.
Visit rtfz.codeschool.comWe analyzed Rtfz.codeschool.com page load time and found that the first response time was 182 ms and then it took 1.5 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.
rtfz.codeschool.com performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value37.2 s
0/100
25%
Value23.6 s
0/100
10%
Value3,000 ms
3/100
30%
Value0.475
18/100
15%
Value38.0 s
0/100
10%
182 ms
293 ms
494 ms
61 ms
88 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Rtfz.codeschool.com, 47% (18 requests) were made to Dvpypvh1mecbw.cloudfront.net and 8% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (494 ms) relates to the external source Dvpypvh1mecbw.cloudfront.net.
Page size can be reduced by 505.9 kB (58%)
879.1 kB
373.2 kB
In fact, the total size of Rtfz.codeschool.com main page is 879.1 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. 45% of websites need less resources to load. Javascripts take 507.0 kB which makes up the majority of the site volume.
Potential reduce by 22.8 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 22.8 kB or 76% of the original size.
Potential reduce by 174 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. Rtfz Code School images are well optimized though.
Potential reduce by 402.3 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 402.3 kB or 79% of the original size.
Potential reduce by 80.5 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. Rtfz.codeschool.com needs all CSS files to be minified and compressed as it can save up to 80.5 kB or 90% of the original size.
Number of requests can be reduced by 15 (42%)
36
21
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rtfz Code School. 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 as a result speed up the page load time.
rtfz.codeschool.com
182 ms
application-e2eedf9b5beb19b689e701be24a41eab.css
293 ms
application-069ec8f76cc5a674cba91b6a7c589f22.js
494 ms
blackboard-stable.css
61 ms
widgets.js
88 ms
blackboard-stable.js
71 ms
bg-body-7c83e262077a506c1412e5e4bc8793e8.jpg
85 ms
mixpanel-2.2.min.js
207 ms
ga.js
183 ms
codeschool_logo-a7ca0a7cd1bd2081222dac0f13d92301.svg
182 ms
bg-error-3e3cb302b05313580e1f3eb927d14597.png
182 ms
logo-course-b8b8f23c0cfeac22365938eba6e4c779.png
288 ms
bg-next-ec60d24485d447c876c07f57be31460b.jpg
182 ms
bg-next-gradient-7ee7931d89b79eeb593f9bbf7547a4b5.png
182 ms
bg-next-icon-67206196a6008586337f543bbe1f6568.png
182 ms
bg-sidebar-nav-6ed62970971081e0bf2b8550a519f359.png
182 ms
badge-1-729480718ab092e2f979b596592f462f.png
182 ms
badge-2-b227b3645e0991e1993b9672b4373d17.png
295 ms
badge-3-15e27a4688a6e831675048c528329161.png
295 ms
badge-4-023e31c48371be9672ab524a791aac2b.png
293 ms
badge-5-e98ae34f48a1d25b753f8df2f53d9bbb.png
281 ms
badge-6-dbb502c04f3f74f1dc746a51683c86a7.png
283 ms
logo-envy-2537fc867002b7864d70d1f263a1d5c5.png
308 ms
all.js
152 ms
data.json
172 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
163 ms
lugosi-webfont-47caa625fae7caf19bb4fbd2d392de14.woff
123 ms
__utm.gif
78 ms
44 ms
__utm.gif
17 ms
76 ms
xd_arbiter.php
29 ms
xd_arbiter.php
52 ms
tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html
46 ms
jot
95 ms
like.php
100 ms
jot
25 ms
LVx-xkvaJ0b.png
20 ms
rtfz.codeschool.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
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
rtfz.codeschool.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
rtfz.codeschool.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rtfz.codeschool.com 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 Rtfz.codeschool.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.
rtfz.codeschool.com
Open Graph description is not detected on the main page of Rtfz Code School. 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: