Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

bidder.adnxs.net

Bidder Platform

Page Load Speed

406 ms in total

First Response

81 ms

Resources Loaded

229 ms

Page Rendered

96 ms

bidder.adnxs.net screenshot

About Website

Click here to check amazing Bidder Adnxs content for United States. Otherwise, check out these important facts you probably never knew about bidder.adnxs.net

Visit bidder.adnxs.net

Key Findings

We analyzed Bidder.adnxs.net page load time and found that the first response time was 81 ms and then it took 325 ms 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

bidder.adnxs.net performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

bidder.adnxs.net

81 ms

common_e82da87a35a9bd21cd0b7c95cac2c7d9.min.css

23 ms

jquery.min.js

40 ms

jquery-ui.min.js

52 ms

jquery.gritter.js

17 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 75% of them (9 requests) were addressed to the original Bidder.adnxs.net, 17% (2 requests) were made to Ajax.googleapis.com and 8% (1 request) were made to Js-agent.newrelic.com. The less responsive or slowest element that took the longest time to load (81 ms) belongs to the original domain Bidder.adnxs.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.3 kB (67%)

Content Size

345.6 kB

After Optimization

115.3 kB

In fact, the total size of Bidder.adnxs.net main page is 345.6 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. 30% of websites need less resources to load. Javascripts take 168.7 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 13.5 kB

  • Original 20.7 kB
  • After minification 20.5 kB
  • After compression 7.2 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 13.5 kB or 65% of the original size.

Image Optimization

-30%

Potential reduce by 5.7 kB

  • Original 18.8 kB
  • After minification 13.1 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, Bidder Adnxs needs image optimization as it can save up to 5.7 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 97.3 kB

  • Original 168.7 kB
  • After minification 162.5 kB
  • After compression 71.4 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 97.3 kB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 113.8 kB

  • Original 137.4 kB
  • After minification 113.8 kB
  • After compression 23.7 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. Bidder.adnxs.net needs all CSS files to be minified and compressed as it can save up to 113.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bidder Adnxs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bidder.adnxs.net accessibility score

60

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Best Practices

bidder.adnxs.net 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

Missing source maps for large first-party JavaScript

SEO Factors

bidder.adnxs.net SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bidder.adnxs.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Bidder.adnxs.net 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 Bidder Adnxs. 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: