Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

pn.pubnub.com

Real-Time In-App Chat and Communication Platform | PubNub

Page Load Speed

1.2 sec in total

First Response

93 ms

Resources Loaded

703 ms

Page Rendered

417 ms

About Website

Welcome to pn.pubnub.com homepage info - get ready to check Pn Pub Nub best content for India right away, or after learning these important things about pn.pubnub.com

Leverage the power of hosted real-time APIs to build engaging remote experiences using in-app chat, push notifications, location tracking and more.

Visit pn.pubnub.com

Key Findings

We analyzed Pn.pubnub.com page load time and found that the first response time was 93 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

pn.pubnub.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value3,860 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

pn.pubnub.com

93 ms

pn.pubnub.com

185 ms

pubnub.com

134 ms

www.pubnub.com

33 ms

96df9302a6796826.css

15 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Pn.pubnub.com, 87% (48 requests) were made to Pubnub.com and 5% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (185 ms) belongs to the original domain Pn.pubnub.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.1 kB (56%)

Content Size

448.5 kB

After Optimization

195.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Pn.pubnub.com main page is 448.5 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. 40% of websites need less resources to load. HTML takes 285.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 251.2 kB

  • Original 285.5 kB
  • After minification 285.4 kB
  • After compression 34.3 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 251.2 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 1.9 kB

  • Original 154.2 kB
  • After minification 152.3 kB

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. Pn Pub Nub images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 45 B

  • Original 8.8 kB
  • After minification 8.8 kB
  • After compression 8.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 15 (30%)

Requests Now

50

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pn Pub Nub. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

pn.pubnub.com accessibility score

96

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

pn.pubnub.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

pn.pubnub.com SEO score

95

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

High

Tap targets are not sized appropriately

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 Pn.pubnub.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 Pn.pubnub.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

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