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developer.bill.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

developer.bill.com

BILL API documentation

Page Load Speed

3.1 sec in total

First Response

670 ms

Resources Loaded

2.2 sec

Page Rendered

204 ms

developer.bill.com screenshot

About Website

Click here to check amazing Developer BILL content for United States. Otherwise, check out these important facts you probably never knew about developer.bill.com

BILL API documentation

Visit developer.bill.com

Key Findings

We analyzed Developer.bill.com page load time and found that the first response time was 670 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

developer.bill.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

developer.bill.com

670 ms

css_ogjvJnfni1_P_WxvXAHlUOgCs860b3ip9DNMapcIGeM.css

867 ms

css_v9OPL7CCxdxt0fQ6nZYnJZlmu31VKyCCziJn6IIqvmQ.css

1026 ms

css_c8XenzktNIb5-K3Queli22Ir6olbXF3Bi0zaq0lBJBs.css

80 ms

css_oGbC3gackXFvqmzRlWRkJdHmYn4qjGdTj5EUqoSI6mw.css

1130 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 59% of them (27 requests) were addressed to the original Developer.bill.com, 9% (4 requests) were made to Google-analytics.com and 7% (3 requests) were made to Developer.test.bdc-edit.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Developer.bill.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.1 kB (60%)

Content Size

917.9 kB

After Optimization

362.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Developer.bill.com main page is 917.9 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. 45% of websites need less resources to load. Javascripts take 565.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 32.6 kB

  • Original 44.0 kB
  • After minification 37.4 kB
  • After compression 11.4 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 6.6 kB, which is 15% 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 32.6 kB or 74% of the original size.

Image Optimization

-40%

Potential reduce by 79.6 kB

  • Original 200.6 kB
  • After minification 120.9 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. Obviously, Developer BILL needs image optimization as it can save up to 79.6 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 356.1 kB

  • Original 565.8 kB
  • After minification 468.0 kB
  • After compression 209.6 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 356.1 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 86.7 kB

  • Original 107.6 kB
  • After minification 105.2 kB
  • After compression 20.9 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. Developer.bill.com needs all CSS files to be minified and compressed as it can save up to 86.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (53%)

Requests Now

45

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Developer BILL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

developer.bill.com

developer.bill.com

670 ms

css_ogjvJnfni1_P_WxvXAHlUOgCs860b3ip9DNMapcIGeM.css

css_ogjvJnfni1_P_WxvXAHlUOgCs860b3ip9DNMapcIGeM.css

867 ms

css_v9OPL7CCxdxt0fQ6nZYnJZlmu31VKyCCziJn6IIqvmQ.css

css_v9OPL7CCxdxt0fQ6nZYnJZlmu31VKyCCziJn6IIqvmQ.css

1026 ms

css_c8XenzktNIb5-K3Queli22Ir6olbXF3Bi0zaq0lBJBs.css

css_c8XenzktNIb5-K3Queli22Ir6olbXF3Bi0zaq0lBJBs.css

80 ms

css_oGbC3gackXFvqmzRlWRkJdHmYn4qjGdTj5EUqoSI6mw.css

css_oGbC3gackXFvqmzRlWRkJdHmYn4qjGdTj5EUqoSI6mw.css

1130 ms

css__T_9hUG6ScE0gdPWyyBPIoPWd9y3vsK_o-f_vcCvKPI.css

css__T_9hUG6ScE0gdPWyyBPIoPWd9y3vsK_o-f_vcCvKPI.css

102 ms

jquery.min.js

jquery.min.js

61 ms

js_IkgOrrVZK1UTp2HktvFi5vo1g7b25Muyr5GoySikuic.js

js_IkgOrrVZK1UTp2HktvFi5vo1g7b25Muyr5GoySikuic.js

120 ms

js_TWesmZWxzUZ3DU050sz8QrIU986Uz2SjL2n2joX_XYk.js

js_TWesmZWxzUZ3DU050sz8QrIU986Uz2SjL2n2joX_XYk.js

862 ms

js_pFtt9f606FazT7kJzNUcJbPBDLC58wcJV2c9iedK9as.js

js_pFtt9f606FazT7kJzNUcJbPBDLC58wcJV2c9iedK9as.js

149 ms

js_tXO_ac4GDrKQLI_rrGrADdDpYOz2zz-lvtXYqmDfRZk.js

js_tXO_ac4GDrKQLI_rrGrADdDpYOz2zz-lvtXYqmDfRZk.js

157 ms

js_CEZG6nSotoRR_3tZzZHky0LhfAdnurPRRxcTTd0Sn9U.js

js_CEZG6nSotoRR_3tZzZHky0LhfAdnurPRRxcTTd0Sn9U.js

233 ms

css

css

77 ms

js_OWkr7mWlqXY3QaVVhHTp8qahx0EMilOtmn48yRahOwE.js

js_OWkr7mWlqXY3QaVVhHTp8qahx0EMilOtmn48yRahOwE.js

198 ms

ga.js

ga.js

48 ms

5946.js

5946.js

55 ms

mixpanel-2.2.min.js

mixpanel-2.2.min.js

57 ms

logo2.png

logo2.png

51 ms

1.png

1.png

51 ms

tax1099-canvas_1.png

tax1099-canvas_1.png

114 ms

Tallie-canvas_1.png

Tallie-canvas_1.png

118 ms

EMC-canvas_1.png

EMC-canvas_1.png

115 ms

GetStarted-orangeButton2.png

GetStarted-orangeButton2.png

119 ms

2.png

2.png

50 ms

3.png

3.png

50 ms

__utm.gif

__utm.gif

72 ms

devportal-bg-levelOneMenu2.png

devportal-bg-levelOneMenu2.png

122 ms

footer_g_plus.png

footer_g_plus.png

110 ms

footer_youtube.png

footer_youtube.png

108 ms

footer_facebook.png

footer_facebook.png

73 ms

footer_twitter.png

footer_twitter.png

121 ms

footer_linkedin.png

footer_linkedin.png

74 ms

analytics.js

analytics.js

64 ms

50 ms

44 ms

overlay.png

overlay.png

53 ms

border.png

border.png

45 ms

controls.png

controls.png

122 ms

SignUp-blueBtn.png

SignUp-blueBtn.png

54 ms

collect

collect

16 ms

nr-885.min.js

nr-885.min.js

29 ms

s

s

52 ms

chartbeat.js

chartbeat.js

27 ms

u

u

133 ms

0b736b2fb6

0b736b2fb6

45 ms

ping

ping

5 ms

Accessibility Review

developer.bill.com accessibility score

85

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 input fields do not have accessible names

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

developer.bill.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

developer.bill.com SEO score

82

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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 Developer.bill.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 Developer.bill.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

developer.bill.com

Open Graph description is not detected on the main page of Developer BILL. 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: