1.8 sec in total
92 ms
1.5 sec
160 ms
Visit 4on0.app.link now to see the best up-to-date 4 On 0 App content for United States and also check out these interesting facts you probably never knew about 4on0.app.link
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Visit 4on0.app.linkWe analyzed 4on0.app.link page load time and found that the first response time was 92 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 30% of websites can load faster.
4on0.app.link performance score
name
value
score
weighting
Value18.5 s
0/100
10%
Value40.3 s
0/100
25%
Value35.0 s
0/100
10%
Value19,460 ms
0/100
30%
Value0.25
49/100
15%
Value42.6 s
0/100
10%
92 ms
146 ms
170 ms
209 ms
202 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original 4on0.app.link, 11% (3 requests) were made to Js.stripe.com and 7% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (426 ms) relates to the external source Ekr.zdassets.com.
Page size can be reduced by 8.9 kB (26%)
34.4 kB
25.5 kB
In fact, the total size of 4on0.app.link main page is 34.4 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. 65% of websites need less resources to load. Javascripts take 21.0 kB which makes up the majority of the site volume.
Potential reduce by 8.8 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 8.8 kB or 66% of the original size.
Potential reduce by 50 B
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.
Number of requests can be reduced by 15 (58%)
26
11
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 On 0 App. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
fatmap.com
92 ms
gtm.js
146 ms
css
170 ms
aws-sdk-2.215.1.min.js
209 ms
fatmap.js
202 ms
rudder-analytics.min.js
132 ms
8722b4447024b5f07d48.css
50 ms
snippet.js
199 ms
appleid.auth.js
362 ms
201 ms
8550e529b2b1fcb8252f.js
357 ms
analytics.js
176 ms
polyfill.min.js
206 ms
css
66 ms
collect
134 ms
ins.js
330 ms
datahappy.js
271 ms
fbevents.js
212 ms
wootric-sdk.js
322 ms
m-outer-eb2c029b07d5db094d54c37555539fa5.html
61 ms
40d6be0f-72c3-428f-a155-8f45d6e777f1
426 ms
collect
368 ms
m-outer-eb9bfeb3ce2cd4d4952cfe88a869974a.js
53 ms
inner.html
327 ms
1779414599022151
244 ms
worker-new.html
110 ms
ga-audiences
199 ms
4on0.app.link 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
4on0.app.link 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
4on0.app.link SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4on0.app.link 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 4on0.app.link 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.
4on0.app.link
Open Graph data is detected on the main page of 4 On 0 App. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: