Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

castilleja.org

Home - Castilleja School

Page Load Speed

3.4 sec in total

First Response

169 ms

Resources Loaded

2.5 sec

Page Rendered

732 ms

castilleja.org screenshot

About Website

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

Castilleja is an independent all-girls middle and high school located in Palo Alto, CA. We educate girls to be confident thinkers and compassionate leaders.

Visit castilleja.org

Key Findings

We analyzed Castilleja.org page load time and found that the first response time was 169 ms and then it took 3.2 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

castilleja.org performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value7,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.121

84/100

15%

TTI (Time to Interactive)

Value32.8 s

0/100

10%

Network Requests Diagram

castilleja.org

169 ms

www.castilleja.org

60 ms

www.castilleja.org

159 ms

gtm.js

45 ms

application-62e15f9f2583766f792cce8e45625128da7772cd299796abd50ae74b5a3c9e67.css

153 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 39% of them (25 requests) were addressed to the original Castilleja.org, 13% (8 requests) were made to Fonts.gstatic.com and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (975 ms) relates to the external source Buildquickbots.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.9 kB (16%)

Content Size

3.4 MB

After Optimization

2.9 MB

In fact, the total size of Castilleja.org main page is 3.4 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. Javascripts take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 63.6 kB

  • Original 79.3 kB
  • After minification 77.2 kB
  • After compression 15.7 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 63.6 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 4.3 kB

  • Original 1.0 MB
  • After minification 1.0 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. Castilleja images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 459.7 kB

  • Original 2.1 MB
  • After minification 2.1 MB
  • After compression 1.7 MB

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 459.7 kB or 22% of the original size.

CSS Optimization

-3%

Potential reduce by 6.3 kB

  • Original 193.4 kB
  • After minification 191.4 kB
  • After compression 187.1 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. Castilleja.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (74%)

Requests Now

46

After Optimization

12

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Castilleja. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

castilleja.org accessibility score

82

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

castilleja.org best practices score

58

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

castilleja.org SEO score

78

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

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 Castilleja.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 Castilleja.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 data is detected on the main page of Castilleja. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: