Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

a2schools.org

Home - Ann Arbor Public Schools

Page Load Speed

2 sec in total

First Response

14 ms

Resources Loaded

1.4 sec

Page Rendered

537 ms

About Website

Click here to check amazing A2 Schools content for United States. Otherwise, check out these important facts you probably never knew about a2schools.org

Home - Ann Arbor Public Schools serves the city of Ann Arbor, Michigan and parts of eight surrounding townships covering 125 square miles.

Visit a2schools.org

Key Findings

We analyzed A2schools.org page load time and found that the first response time was 14 ms and then it took 1.9 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

a2schools.org performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value1.159

1/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

a2schools.org

14 ms

www.a2schools.org

35 ms

www.a2schools.org

157 ms

pendo.js

186 ms

sri-failover.min.js

18 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 61% of them (57 requests) were addressed to the original A2schools.org, 19% (18 requests) were made to Extend.schoolwires.com and 6% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (951 ms) relates to the external source Google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (22%)

Content Size

5.5 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of A2schools.org main page is 5.5 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. Only a small number of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 467.8 kB

  • Original 561.7 kB
  • After minification 555.0 kB
  • After compression 93.9 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. 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 467.8 kB or 83% of the original size.

Image Optimization

-16%

Potential reduce by 682.0 kB

  • Original 4.3 MB
  • After minification 3.7 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. Obviously, A2 Schools needs image optimization as it can save up to 682.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 22.1 kB

  • Original 267.1 kB
  • After minification 264.8 kB
  • After compression 245.0 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

-6%

Potential reduce by 18.9 kB

  • Original 296.2 kB
  • After minification 296.0 kB
  • After compression 277.3 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. A2schools.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 51 (61%)

Requests Now

84

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A2 Schools. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

a2schools.org accessibility score

100

Accessibility Issues

Best Practices

a2schools.org best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

a2schools.org SEO score

74

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 A2schools.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 A2schools.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 A2 Schools. 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: