Tools & Wizards About Us
dlshs.org screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

dlshs.org

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

Page Load Speed

2.9 sec in total

First Response

31 ms

Resources Loaded

2.2 sec

Page Rendered

660 ms

dlshs.org screenshot

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 31 ms and then it took 2.9 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

dlshs.org performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.348

32/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

dlshs.org

31 ms

www.dlshs.org

1877 ms

ss_urchin-c.js

22 ms

si_behaviors-c.js

36 ms

si_onload.js

28 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 95% of them (55 requests) were addressed to the original Dlshs.org, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Dlshs.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 291.7 kB (60%)

Content Size

489.5 kB

After Optimization

197.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dlshs.org main page is 489.5 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. 40% of websites need less resources to load. Javascripts take 170.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 76.9 kB

  • Original 89.7 kB
  • After minification 83.4 kB
  • After compression 12.8 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 76.9 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 4.2 kB

  • Original 113.3 kB
  • After minification 109.1 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. Dlshs images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 109.6 kB

  • Original 170.3 kB
  • After minification 152.7 kB
  • After compression 60.7 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 109.6 kB or 64% of the original size.

CSS Optimization

-87%

Potential reduce by 101.0 kB

  • Original 116.2 kB
  • After minification 60.7 kB
  • After compression 15.2 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. Dlshs.org needs all CSS files to be minified and compressed as it can save up to 101.0 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (42%)

Requests Now

55

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 55 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 7 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dlshs.org

dlshs.org

31 ms

www.dlshs.org

www.dlshs.org

1877 ms

ss_urchin-c.js

ss_urchin-c.js

22 ms

si_behaviors-c.js

si_behaviors-c.js

36 ms

si_onload.js

si_onload.js

28 ms

jquery.js

jquery.js

38 ms

jquery_onload.js

jquery_onload.js

27 ms

jquery.innerfade.js

jquery.innerfade.js

15 ms

__utm.gif

__utm.gif

29 ms

base.css

base.css

10 ms

module.css

module.css

52 ms

news.css

news.css

22 ms

calendar.css

calendar.css

43 ms

gallery.css

gallery.css

56 ms

academics.css

academics.css

54 ms

athletics.css

athletics.css

24 ms

directory.css

directory.css

54 ms

notes.css

notes.css

58 ms

resource.css

resource.css

61 ms

home.css

home.css

62 ms

favicon.ico

favicon.ico

67 ms

reset.css

reset.css

58 ms

structure.css

structure.css

58 ms

navigation.css

navigation.css

58 ms

html.css

html.css

59 ms

misc.css

misc.css

60 ms

gallery.css

gallery.css

14 ms

ga.js

ga.js

58 ms

html-bg.gif

html-bg.gif

21 ms

container-bg.gif

container-bg.gif

38 ms

sidebar-bg.gif

sidebar-bg.gif

65 ms

header2.gif

header2.gif

24 ms

logo.gif

logo.gif

64 ms

banner2.jpg

banner2.jpg

31 ms

const-bg.gif

const-bg.gif

38 ms

new-const.gif

new-const.gif

42 ms

content-bg.gif

content-bg.gif

63 ms

new-main-2015.gif

new-main-2015.gif

77 ms

address.gif

address.gif

63 ms

arrow.gif

arrow.gif

62 ms

slide-Capital_Campaign_Brochure_COVER2.jpg

slide-Capital_Campaign_Brochure_COVER2.jpg

72 ms

slide-ACADEMICS01.tif

slide-ACADEMICS01.tif

75 ms

slide-STREAM_IC_w_title.tif

slide-STREAM_IC_w_title.tif

75 ms

slide-ACCESS01.tif

slide-ACCESS01.tif

70 ms

slide-ARTS01.tif

slide-ARTS01.tif

75 ms

slide-PAC_w_title.tif

slide-PAC_w_title.tif

77 ms

slide-ATHLETICS01.tif

slide-ATHLETICS01.tif

77 ms

slide-APC_w_title1.tif

slide-APC_w_title1.tif

89 ms

slide-50th_Logo_for_slide_show.jpg

slide-50th_Logo_for_slide_show.jpg

94 ms

cross-spring.jpg

cross-spring.jpg

95 ms

sm-E3_Parent_Survey_button_2016.jpg

sm-E3_Parent_Survey_button_2016.jpg

93 ms

sm-Grad_Night_Button.jpg

sm-Grad_Night_Button.jpg

92 ms

sm-Sr_Mother_Son_Liturgy_interior2.jpg

sm-Sr_Mother_Son_Liturgy_interior2.jpg

92 ms

sm-button_schoology.jpg

sm-button_schoology.jpg

96 ms

footer2.gif

footer2.gif

103 ms

__utm.gif

__utm.gif

14 ms

collect

collect

72 ms

print.css

print.css

10 ms

Accessibility Review

dlshs.org accessibility score

91

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

dlshs.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

dlshs.org SEO score

90

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

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

    N/A

  • Encoding

    ISO-8859-1

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 neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dlshs.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

dlshs.org

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