Report Summary

  • 7

    Performance

    Renders faster than
    21% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

oapb.org

Oxbridge Academy | Independent Middle and High School in Palm Beach

Page Load Speed

3 sec in total

First Response

46 ms

Resources Loaded

2.5 sec

Page Rendered

496 ms

oapb.org screenshot

About Website

Visit oapb.org now to see the best up-to-date Oapb content for United States and also check out these interesting facts you probably never knew about oapb.org

Located in Palm Beach County, Oxbridge Academy is a premier independent co-ed college preparatory middle and high school on a 54- acre campus offering over 100 courses and exceptional academic and spo...

Visit oapb.org

Key Findings

We analyzed Oapb.org page load time and found that the first response time was 46 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

oapb.org performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value2,270 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.596

11/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

oapb.org

46 ms

www.oapb.org

1080 ms

dc.js

31 ms

si_behaviors-c.js

52 ms

si_onload.js

25 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 95% of them (61 requests) were addressed to the original Oapb.org, 3% (2 requests) were made to Stats.g.doubleclick.net and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Oapb.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 509.6 kB (14%)

Content Size

3.7 MB

After Optimization

3.2 MB

In fact, the total size of Oapb.org main page is 3.7 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. 60% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 87.4 kB

  • Original 99.6 kB
  • After minification 88.8 kB
  • After compression 12.2 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 10.8 kB, which is 11% 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 87.4 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 117.5 kB

  • Original 3.2 MB
  • After minification 3.1 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. Oapb images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 129.6 kB

  • Original 190.0 kB
  • After minification 181.7 kB
  • After compression 60.4 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 129.6 kB or 68% of the original size.

CSS Optimization

-87%

Potential reduce by 175.0 kB

  • Original 200.2 kB
  • After minification 93.1 kB
  • After compression 25.2 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. Oapb.org needs all CSS files to be minified and compressed as it can save up to 175.0 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (53%)

Requests Now

58

After Optimization

27

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oapb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oapb.org accessibility score

87

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

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

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Best Practices

oapb.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

High

Missing source maps for large first-party JavaScript

SEO Factors

oapb.org SEO score

79

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

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oapb.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Oapb.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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