Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

careercenter.zerotothree.org

ZERO TO THREE, National Center for Infants, Toddlers, and Families (ZERO TO THREE), ZERO TO THREE Career Center|Find Your Career Here

Page Load Speed

2.2 sec in total

First Response

42 ms

Resources Loaded

1.8 sec

Page Rendered

341 ms

careercenter.zerotothree.org screenshot

About Website

Welcome to careercenter.zerotothree.org homepage info - get ready to check Career Center ZERO TO THREE best content for United States right away, or after learning these important things about careercenter.zerotothree.org

ZERO TO THREE, National Center for Infants, Toddlers, and Families (ZERO TO THREE) - Find your next career at ZERO TO THREE Career Center. Check back frequently as new jobs are posted every day.

Visit careercenter.zerotothree.org

Key Findings

We analyzed Careercenter.zerotothree.org page load time and found that the first response time was 42 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

careercenter.zerotothree.org performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

careercenter.zerotothree.org

42 ms

careercenter.zerotothree.org

351 ms

webfont.js

26 ms

ui-landing-standard-4.scss

947 ms

index.js

65 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 74% of them (45 requests) were addressed to the original Careercenter.zerotothree.org, 10% (6 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Cdn.naylor.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Careercenter.zerotothree.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.7 kB (6%)

Content Size

1.3 MB

After Optimization

1.3 MB

In fact, the total size of Careercenter.zerotothree.org main page is 1.3 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 35.7 kB

  • Original 44.6 kB
  • After minification 38.0 kB
  • After compression 8.9 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 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 35.7 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 35.2 kB

  • Original 1.2 MB
  • After minification 1.2 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. Career Center ZERO TO THREE images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 6.1 kB

  • Original 81.8 kB
  • After minification 81.8 kB
  • After compression 75.7 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.

CSS Optimization

-2%

Potential reduce by 632 B

  • Original 35.7 kB
  • After minification 35.7 kB
  • After compression 35.1 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. Careercenter.zerotothree.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (55%)

Requests Now

49

After Optimization

22

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Career Center ZERO TO THREE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

careercenter.zerotothree.org accessibility score

74

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

High

ARIA IDs are not unique

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

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

Low

No form fields have multiple labels

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

careercenter.zerotothree.org 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

careercenter.zerotothree.org SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Careercenter.zerotothree.org 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 Careercenter.zerotothree.org 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 Career Center ZERO TO THREE. 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: