Tools & Wizards About Us
aadl.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

aadl.com

Home | Ann Arbor District Library

Page Load Speed

2.6 sec in total

First Response

124 ms

Resources Loaded

1.1 sec

Page Rendered

1.4 sec

aadl.com screenshot

About Website

Visit aadl.com now to see the best up-to-date Aadl content and also check out these interesting facts you probably never knew about aadl.com

Visit aadl.com

Key Findings

We analyzed Aadl.com page load time and found that the first response time was 124 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

aadl.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

aadl.com

124 ms

www.aadl.org

125 ms

jwplayer.js

310 ms

css_4f8d4511242b6ff1432147d40372ef06.css

38 ms

js_140a7fa9a27eaaaf16d27b46eaea9918.js

65 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Aadl.com, 80% (33 requests) were made to Aadl.org and 12% (5 requests) were made to Media.aadl.org. The less responsive or slowest element that took the longest time to load (310 ms) relates to the external source Media.aadl.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.6 kB (27%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aadl.com main page is 1.5 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. 40% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 48.1 kB

  • Original 64.6 kB
  • After minification 62.0 kB
  • After compression 16.5 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. 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 48.1 kB or 75% of the original size.

Image Optimization

-11%

Potential reduce by 124.8 kB

  • Original 1.1 MB
  • After minification 974.7 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, Aadl needs image optimization as it can save up to 124.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 152.0 kB

  • Original 225.5 kB
  • After minification 194.2 kB
  • After compression 73.4 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 152.0 kB or 67% of the original size.

CSS Optimization

-80%

Potential reduce by 72.7 kB

  • Original 90.7 kB
  • After minification 86.3 kB
  • After compression 18.0 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. Aadl.com needs all CSS files to be minified and compressed as it can save up to 72.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

39

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aadl. 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.

Network Requests Diagram

aadl.com

aadl.com

124 ms

www.aadl.org

www.aadl.org

125 ms

jwplayer.js

jwplayer.js

310 ms

css_4f8d4511242b6ff1432147d40372ef06.css

css_4f8d4511242b6ff1432147d40372ef06.css

38 ms

js_140a7fa9a27eaaaf16d27b46eaea9918.js

js_140a7fa9a27eaaaf16d27b46eaea9918.js

65 ms

js_691c87a898b445d8758c58de7a003776.js

js_691c87a898b445d8758c58de7a003776.js

28 ms

background-left.gif

background-left.gif

63 ms

background-right.gif

background-right.gif

62 ms

top_background.gif

top_background.gif

64 ms

background-header.png

background-header.png

66 ms

header-right.png

header-right.png

66 ms

logo.png

logo.png

70 ms

banner20.png

banner20.png

101 ms

fullmenu.gif

fullmenu.gif

68 ms

pulp-logo-web.img_assist_custom-100x100.jpg

pulp-logo-web.img_assist_custom-100x100.jpg

68 ms

hiking_0.img_assist_custom-100x149.jpg

hiking_0.img_assist_custom-100x149.jpg

100 ms

download_of_the_day_logo-100w_0.png

download_of_the_day_logo-100w_0.png

76 ms

film%20fest_0.jpg

film%20fest_0.jpg

76 ms

ann_arbor_stories_logo_0.png

ann_arbor_stories_logo_0.png

74 ms

RS%202016%25232-LT.jpg

RS%202016%25232-LT.jpg

98 ms

feed.png

feed.png

95 ms

Depression-center-vertical-sig.png

Depression-center-vertical-sig.png

97 ms

pulp_logo_vignette-210px.png

pulp_logo_vignette-210px.png

126 ms

twitter.png

twitter.png

94 ms

tumblr.png

tumblr.png

93 ms

pinterest.png

pinterest.png

100 ms

instagram.png

instagram.png

100 ms

facebook.png

facebook.png

99 ms

wsu-3621_200.jpg

wsu-3621_200.jpg

40 ms

1490709_100.jpg

1490709_100.jpg

89 ms

1411907_100.jpg

1411907_100.jpg

72 ms

1490229_100.jpg

1490229_100.jpg

93 ms

jwpsrv.js

jwpsrv.js

144 ms

cal-sprite64.png

cal-sprite64.png

73 ms

menu-collapsed.png

menu-collapsed.png

71 ms

menu-leaf.png

menu-leaf.png

71 ms

piwik.js

piwik.js

47 ms

logo.png

logo.png

30 ms

aa_news_building_construction.png

aa_news_building_construction.png

229 ms

raingardensimage_preview.jpg

raingardensimage_preview.jpg

43 ms

css_61d912ad59d573da30e2de4d7685ab30.css

css_61d912ad59d573da30e2de4d7685ab30.css

22 ms

Accessibility Review

aadl.com accessibility score

71

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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

aadl.com 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

aadl.com SEO score

67

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 doesn't use 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 Aadl.com 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 Aadl.com 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

aadl.com

Open Graph description is not detected on the main page of Aadl. 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: