Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

afb.org

Home | American Foundation for the Blind

Page Load Speed

24.8 sec in total

First Response

113 ms

Resources Loaded

14.3 sec

Page Rendered

10.4 sec

afb.org screenshot

About Website

Click here to check amazing Afb content for United States. Otherwise, check out these important facts you probably never knew about afb.org

Since 1921, The American Foundation for the Blind (AFB) has been a leader in expanding possibilities for the millions of Americans living with vision loss.

Visit afb.org

Key Findings

We analyzed Afb.org page load time and found that the first response time was 113 ms and then it took 24.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

afb.org performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

afb.org

113 ms

www.afb.org

86 ms

default.aspx

11 ms

default.aspx

1198 ms

1015430422.js

405 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 85% of them (67 requests) were addressed to the original Afb.org, 5% (4 requests) were made to Google-analytics.com and 3% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (5.6 sec) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 619.7 kB (21%)

Content Size

2.9 MB

After Optimization

2.3 MB

In fact, the total size of Afb.org main page is 2.9 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. 55% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 21.0 kB

  • Original 28.6 kB
  • After minification 28.2 kB
  • After compression 7.6 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 21.0 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 69.5 kB

  • Original 2.1 MB
  • After minification 2.0 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. Afb images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 529.2 kB

  • Original 820.8 kB
  • After minification 784.5 kB
  • After compression 291.6 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 529.2 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (22%)

Requests Now

73

After Optimization

57

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Afb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

afb.org accessibility score

100

Accessibility Issues

Best Practices

afb.org best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

afb.org 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 Afb.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 Afb.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 Afb. 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: