3.7 sec in total
379 ms
2.8 sec
546 ms
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Visit jsfiddle.netWe analyzed Jsfiddle.net page load time and found that the first response time was 379 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
jsfiddle.net performance score
name
value
score
weighting
Value2.0 s
85/100
10%
Value3.5 s
64/100
25%
Value5.4 s
57/100
10%
Value3,720 ms
1/100
30%
Value0.083
94/100
15%
Value15.8 s
6/100
10%
379 ms
160 ms
42 ms
138 ms
130 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 28% of them (8 requests) were addressed to the original Jsfiddle.net, 17% (5 requests) were made to Google-analytics.com and 14% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (546 ms) relates to the external source Srv.buysellads.com.
Page size can be reduced by 891.2 kB (72%)
1.2 MB
343.8 kB
In fact, the total size of Jsfiddle.net main page is 1.2 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. 35% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 36.2 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. This page needs HTML code to be minified as it can gain 8.6 kB, which is 19% 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 36.2 kB or 81% of the original size.
Potential reduce by 641 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. Obviously, JSFiddle needs image optimization as it can save up to 641 B or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 794.8 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 794.8 kB or 71% of the original size.
Potential reduce by 59.5 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. Jsfiddle.net needs all CSS files to be minified and compressed as it can save up to 59.5 kB or 83% of the original size.
Number of requests can be reduced by 11 (58%)
19
8
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JSFiddle. 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.
jsfiddle.net
379 ms
_dist-editor.js
160 ms
_dist-editor.css
42 ms
widget.js
138 ms
css
130 ms
css
145 ms
carbon.js
130 ms
togetherjs.js
139 ms
analytics.js
310 ms
prum.min.js
201 ms
logo.png
226 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
231 ms
nj47mAZe0mYUIySgfn0wpQ.ttf
230 ms
DvlFBScY1r-FMtZSYIYoYw.ttf
231 ms
BlackTie-Medium-webfont.woff
106 ms
BlackTie-Light-webfont.woff
103 ms
BlackTie-Bold-webfont.woff
103 ms
BlackTie-Solid-webfont.woff
101 ms
4JBDq56CMkU462bp0T-W9KCWcynf_cDxXwCLxiixG1c.ttf
73 ms
C6AILKT.json
546 ms
collect
79 ms
collect
44 ms
collect
57 ms
collect
78 ms
collect
101 ms
1xGMJQ
125 ms
all-0e3635dff9.css
10 ms
app-ffc86d7023.js
18 ms
css
12 ms
jsfiddle.net 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.
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
jsfiddle.net 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
Missing source maps for large first-party JavaScript
jsfiddle.net 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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsfiddle.net 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 Jsfiddle.net 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.
jsfiddle.net
Open Graph description is not detected on the main page of JSFiddle. 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: