Tools & Wizards About Us
alfred.stlouisfed.org screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

alfred.stlouisfed.org

Archival FRED | ALFRED | St. Louis Fed

Page Load Speed

3.7 sec in total

First Response

94 ms

Resources Loaded

3.4 sec

Page Rendered

174 ms

alfred.stlouisfed.org screenshot

About Website

Welcome to alfred.stlouisfed.org homepage info - get ready to check ALFRED St Louis Fed best content for United States right away, or after learning these important things about alfred.stlouisfed.org

ArchivaL Federal Reserve Economic Data (ALFRED). Over 350,000 real-time economic time series. Download data. Analyze policy decisions. Reproduce research.

Visit alfred.stlouisfed.org

Key Findings

We analyzed Alfred.stlouisfed.org page load time and found that the first response time was 94 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

alfred.stlouisfed.org performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

alfred.stlouisfed.org

94 ms

alfred.stlouisfed.org

2970 ms

bootstrap.min.css

68 ms

jquery.smartbanner.min.css

81 ms

font-awesome.min.css

77 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 52% of them (17 requests) were addressed to the original Alfred.stlouisfed.org, 9% (3 requests) were made to Maxcdn.bootstrapcdn.com and 9% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Alfred.stlouisfed.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 270.3 kB (60%)

Content Size

449.0 kB

After Optimization

178.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alfred.stlouisfed.org main page is 449.0 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. 25% of websites need less resources to load. CSS take 203.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 27.9 kB

  • Original 36.4 kB
  • After minification 30.7 kB
  • After compression 8.5 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 5.6 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 27.9 kB or 77% of the original size.

Image Optimization

-12%

Potential reduce by 4.9 kB

  • Original 41.0 kB
  • After minification 36.2 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, ALFRED St Louis Fed needs image optimization as it can save up to 4.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-41%

Potential reduce by 68.9 kB

  • Original 167.6 kB
  • After minification 151.8 kB
  • After compression 98.8 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 68.9 kB or 41% of the original size.

CSS Optimization

-83%

Potential reduce by 168.7 kB

  • Original 203.9 kB
  • After minification 186.3 kB
  • After compression 35.2 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. Alfred.stlouisfed.org needs all CSS files to be minified and compressed as it can save up to 168.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (65%)

Requests Now

31

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALFRED St Louis Fed. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alfred.stlouisfed.org

alfred.stlouisfed.org

94 ms

alfred.stlouisfed.org

alfred.stlouisfed.org

2970 ms

bootstrap.min.css

bootstrap.min.css

68 ms

jquery.smartbanner.min.css

jquery.smartbanner.min.css

81 ms

font-awesome.min.css

font-awesome.min.css

77 ms

styles.css

styles.css

48 ms

respond.js

respond.js

94 ms

gaAddons-universal.js

gaAddons-universal.js

134 ms

jsapi

jsapi

87 ms

modernizr.min.js

modernizr.min.js

86 ms

jquery.min.js

jquery.min.js

130 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

73 ms

jquery-ui.min.js

jquery-ui.min.js

129 ms

bootstrap.min.js

bootstrap.min.js

73 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

218 ms

common.js

common.js

217 ms

jquery.hotkeys.js

jquery.hotkeys.js

217 ms

jquery.smartbanner.min.js

jquery.smartbanner.min.js

93 ms

amplify.min.js

amplify.min.js

219 ms

gaAddons.js

gaAddons.js

127 ms

jquery-ui.css

jquery-ui.css

63 ms

analytics.js

analytics.js

112 ms

alfred-logo.png

alfred-logo.png

102 ms

site-search-white.png

site-search-white.png

100 ms

twitter-logo-h100-w100.png

twitter-logo-h100-w100.png

100 ms

gplus-logo-h50.png

gplus-logo-h50.png

101 ms

facebook-logo-h100-w100.png

facebook-logo-h100-w100.png

100 ms

youtube-logo-h100-w100.png

youtube-logo-h100-w100.png

101 ms

linkedin-logo-h50.png

linkedin-logo-h50.png

125 ms

ga.js

ga.js

31 ms

linkid.js

linkid.js

8 ms

__utm.gif

__utm.gif

12 ms

collect

collect

37 ms

Accessibility Review

alfred.stlouisfed.org accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

alfred.stlouisfed.org best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

alfred.stlouisfed.org SEO score

91

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

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 Alfred.stlouisfed.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 Alfred.stlouisfed.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

alfred.stlouisfed.org

Open Graph description is not detected on the main page of ALFRED St Louis Fed. 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: