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Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

nb.ai

Advanced Routing & Navigation APIs - NextBillion.ai

Page Load Speed

18.5 sec in total

First Response

575 ms

Resources Loaded

16.9 sec

Page Rendered

1.1 sec

nb.ai screenshot

About Website

Visit nb.ai now to see the best up-to-date Nb content and also check out these interesting facts you probably never knew about nb.ai

Nextbillion.ai provides industry’s most powerful APIs and SDKs to solve routing and optimization problems. Seamlessly integrate our products with your existing infrastructure.

Visit nb.ai

Key Findings

We analyzed Nb.ai page load time and found that the first response time was 575 ms and then it took 18 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

nb.ai performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value4,220 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value23.2 s

1/100

10%

Network Requests Diagram

nb.ai

575 ms

nextbillion.ai

1569 ms

j.php

43 ms

wpo-minify-header-astra-theme-css3.9.1.min.css

967 ms

wpo-minify-header-astra-google-fonts3.9.1.min.css

722 ms

Our browser made a total of 185 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Nb.ai, 52% (96 requests) were made to Nextbillion.ai and 6% (11 requests) were made to D.adroll.com. The less responsive or slowest element that took the longest time to load (7 sec) relates to the external source Nextbillion.ai.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (34%)

Content Size

3.3 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nb.ai main page is 3.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 425.9 kB

  • Original 530.8 kB
  • After minification 453.1 kB
  • After compression 104.9 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 77.7 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 425.9 kB or 80% of the original size.

Image Optimization

-27%

Potential reduce by 631.8 kB

  • Original 2.3 MB
  • After minification 1.7 MB

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, Nb needs image optimization as it can save up to 631.8 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-23%

Potential reduce by 78.5 kB

  • Original 347.1 kB
  • After minification 347.1 kB
  • After compression 268.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 78.5 kB or 23% of the original size.

CSS Optimization

-1%

Potential reduce by 1.1 kB

  • Original 112.4 kB
  • After minification 112.4 kB
  • After compression 111.3 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. Nb.ai has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 89 (54%)

Requests Now

166

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 166 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nb.ai

nb.ai

575 ms

nextbillion.ai

nextbillion.ai

1569 ms

j.php

j.php

43 ms

wpo-minify-header-astra-theme-css3.9.1.min.css

wpo-minify-header-astra-theme-css3.9.1.min.css

967 ms

wpo-minify-header-astra-google-fonts3.9.1.min.css

wpo-minify-header-astra-google-fonts3.9.1.min.css

722 ms

wpo-minify-header-astra-menu-animation3.9.1.min.css

wpo-minify-header-astra-menu-animation3.9.1.min.css

734 ms

wpo-minify-header-wp-block-library.min.css

wpo-minify-header-wp-block-library.min.css

972 ms

wpo-minify-header-mpp_gutenberg2.6.0.min.css

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828 ms

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1858 ms

bootstrap.min.css

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24 ms

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1437 ms

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1443 ms

wpo-minify-header-elementor-icons5.20.0.min.css

wpo-minify-header-elementor-icons5.20.0.min.css

1542 ms

wpo-minify-header-elementor-frontend3.14.1.min.css

wpo-minify-header-elementor-frontend3.14.1.min.css

1943 ms

wpo-minify-header-swiper8.4.5.min.css

wpo-minify-header-swiper8.4.5.min.css

1710 ms

wpo-minify-header-elementor-post-5250.min.css

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2153 ms

wpo-minify-header-elementor-pro3.14.1.min.css

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2142 ms

wpo-minify-header-elementor-global.min.css

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2279 ms

wpo-minify-header-addtoany1.16.min.css

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2462 ms

wpo-minify-header-google-fonts-1.min.css

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2593 ms

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2888 ms

wpo-minify-header-jquery-migrate3.4.1.min.js

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2856 ms

page.js

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47 ms

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2868 ms

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2549 ms

email-decode.min.js

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2728 ms

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2903 ms

bootstrap.bundle.min.js

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2 ms

slick.min.js

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5 ms

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3159 ms

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3269 ms

home.js

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3106 ms

global.js

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3377 ms

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243 ms

logo-white.svg

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1456 ms

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188 ms

eso.Ep5bSEmr.js

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274 ms

route-optimization.svg

route-optimization.svg

5326 ms

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261 ms

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585 ms

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651 ms

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48 ms

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5272 ms

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227 ms

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444 ms

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571 ms

bat.js

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547 ms

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analytics.js

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post-trip-routing.svg

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Accessibility Review

nb.ai accessibility score

84

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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

nb.ai 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

Page has valid source maps

SEO Factors

nb.ai SEO score

71

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Nb.ai 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 Nb.ai 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

nb.ai

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