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learn.onesignal.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

learn.onesignal.com

Push Notification Software to Improve Customer Engagement - OneSignal

Page Load Speed

1.6 sec in total

First Response

102 ms

Resources Loaded

962 ms

Page Rendered

576 ms

learn.onesignal.com screenshot

About Website

Visit learn.onesignal.com now to see the best up-to-date Learn One Signal content for India and also check out these interesting facts you probably never knew about learn.onesignal.com

The world’s leader for customer messaging including mobile push notifications, web push, SMS, email & in-app messaging. Trusted by 1 million+ developers.

Visit learn.onesignal.com

Key Findings

We analyzed Learn.onesignal.com page load time and found that the first response time was 102 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.

Performance Metrics

learn.onesignal.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

learn.onesignal.com

102 ms

learn.onesignal.com

242 ms

onesignal.com

48 ms

rocket-loader.min.js

22 ms

3022053c5ca5f022e2f1a13607b07fdd.js

92 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Learn.onesignal.com, 26% (9 requests) were made to Onesignal.com and 18% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (242 ms) belongs to the original domain Learn.onesignal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.0 kB (55%)

Content Size

414.6 kB

After Optimization

188.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Learn.onesignal.com main page is 414.6 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. 60% of websites need less resources to load. HTML takes 325.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 220.0 kB

  • Original 325.1 kB
  • After minification 325.0 kB
  • After compression 105.1 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 220.0 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 97 B
  • After minification 97 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. Learn One Signal images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 5.9 kB

  • Original 32.1 kB
  • After minification 32.1 kB
  • After compression 26.2 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 5.9 kB or 18% of the original size.

CSS Optimization

-0%

Potential reduce by 85 B

  • Original 57.3 kB
  • After minification 57.3 kB
  • After compression 57.2 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. Learn.onesignal.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (72%)

Requests Now

25

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn One Signal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

learn.onesignal.com

learn.onesignal.com

102 ms

learn.onesignal.com

learn.onesignal.com

242 ms

onesignal.com

onesignal.com

48 ms

rocket-loader.min.js

rocket-loader.min.js

22 ms

3022053c5ca5f022e2f1a13607b07fdd.js

3022053c5ca5f022e2f1a13607b07fdd.js

92 ms

bootstrap.min.css

bootstrap.min.css

60 ms

style.min.css

style.min.css

50 ms

bizible.js

bizible.js

163 ms

OneSignalSDK.js

OneSignalSDK.js

91 ms

jquery.min.js

jquery.min.js

94 ms

popper.min.js

popper.min.js

124 ms

bootstrap.min.js

bootstrap.min.js

92 ms

main-min.js

main-min.js

77 ms

lottie-player-min.js

lottie-player-min.js

183 ms

carousel-min.js

carousel-min.js

158 ms

css2

css2

74 ms

placeholder.png

placeholder.png

163 ms

3022053c5ca5f022e2f1a13607b07fdd.js

3022053c5ca5f022e2f1a13607b07fdd.js

76 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilntA.ttf

82 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GiClntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GiClntA.ttf

114 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GCC5ntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GCC5ntA.ttf

153 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GMS5ntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GMS5ntA.ttf

154 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVi5ntA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVi5ntA.ttf

154 ms

HI_diYsKILxRpg3hIP6sJ7fM7PqPMcMnZFqUwX28DMyQhM4.ttf

HI_diYsKILxRpg3hIP6sJ7fM7PqPMcMnZFqUwX28DMyQhM4.ttf

154 ms

gtm.js

gtm.js

151 ms

bizible.js

bizible.js

37 ms

OneSignalSDK.js

OneSignalSDK.js

22 ms

jquery.min.js

jquery.min.js

22 ms

popper.min.js

popper.min.js

20 ms

ipv

ipv

69 ms

u

u

182 ms

bootstrap.min.js

bootstrap.min.js

45 ms

xdc.js

xdc.js

94 ms

main-min.js

main-min.js

87 ms

Accessibility Review

learn.onesignal.com accessibility score

93

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Links do not have a discernible name

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

learn.onesignal.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

learn.onesignal.com SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Learn.onesignal.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 Learn.onesignal.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.

Social Sharing Optimization

learn.onesignal.com

Open Graph data is detected on the main page of Learn One Signal. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: