Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

postb.in

PostBin: Test Your API Clients or Webhooks | Toptal®

Page Load Speed

675 ms in total

First Response

15 ms

Resources Loaded

578 ms

Page Rendered

82 ms

postb.in screenshot

About Website

Visit postb.in now to see the best up-to-date Post B content for India and also check out these interesting facts you probably never knew about postb.in

Use PostBin to collect all requests to a special URL which you can use to test your API Clients or your WebHooks.

Visit postb.in

Key Findings

We analyzed Postb.in page load time and found that the first response time was 15 ms and then it took 660 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

postb.in performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

postb.in

15 ms

www.postb.in

131 ms

tailwind.min.css

228 ms

all.css

57 ms

css

80 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 31% of them (4 requests) were addressed to the original Postb.in, 23% (3 requests) were made to Use.fontawesome.com and 15% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (245 ms) relates to the external source Cdnjs.cloudflare.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 kB (15%)

Content Size

15.2 kB

After Optimization

13.0 kB

In fact, the total size of Postb.in main page is 15.2 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. 15% of websites need less resources to load. CSS take 11.0 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 2.2 kB

  • Original 4.2 kB
  • After minification 4.1 kB
  • After compression 2.0 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 2.2 kB or 53% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 11.0 kB
  • After minification 11.0 kB
  • After compression 11.0 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. Postb.in has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (38%)

Requests Now

8

After Optimization

5

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Post B. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

postb.in accessibility score

95

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.

Best Practices

postb.in 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

SEO Factors

postb.in 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 Postb.in 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 Postb.in 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 description is not detected on the main page of Post B. 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: