Tools & Wizards About Us

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

dlshs.org

Premier All Boys Private High School in East Bay, CA | De La Salle

Page Load Speed

1.1 sec in total

First Response

96 ms

Resources Loaded

764 ms

Page Rendered

224 ms

About Website

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

De La Salle is a premier all-boys private high school in Concord, CA, where students are uniquely empowered with the academic, spiritual, physical, and social skills needed to thrive in college and be...

Visit dlshs.org

Key Findings

We analyzed Dlshs.org page load time and found that the first response time was 96 ms and then it took 988 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

dlshs.org performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value6,000 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.522

15/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

Network Requests Diagram

dlshs.org

96 ms

www.dlshs.org

54 ms

www.dlshs.org

65 ms

gtm.js

83 ms

application-bce5d22b68b57b3828b229556241a394e69dd8de5abfa2a018868e63ffc6d9cc.css

124 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 58% of them (14 requests) were addressed to the original Dlshs.org, 21% (5 requests) were made to Fonts.gstatic.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (333 ms) belongs to the original domain Dlshs.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.9 kB (14%)

Content Size

947.6 kB

After Optimization

814.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Dlshs.org main page is 947.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 668.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 132.8 kB

  • Original 158.0 kB
  • After minification 154.3 kB
  • After compression 25.3 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 132.8 kB or 84% of the original size.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 668.0 kB
  • After minification 668.0 kB
  • After compression 668.0 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

-0%

Potential reduce by 83 B

  • Original 121.6 kB
  • After minification 121.6 kB
  • After compression 121.5 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. Dlshs.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (71%)

Requests Now

14

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dlshs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dlshs.org accessibility score

92

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 have valid values

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

dlshs.org best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dlshs.org SEO score

84

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 Dlshs.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 Dlshs.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 Dlshs. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: