Tools & Wizards About Us
ndhs.org screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

ndhs.org

Notre Dame High School | Private College Preparatory | California

Page Load Speed

1.6 sec in total

First Response

169 ms

Resources Loaded

1.2 sec

Page Rendered

249 ms

ndhs.org screenshot

About Website

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

Located in Sherman Oaks, CA, NDHS is an independent college preparatory high school. A school of excellence and diverse community of students.

Visit ndhs.org

Key Findings

We analyzed Ndhs.org page load time and found that the first response time was 169 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ndhs.org performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value1,730 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.941

3/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

www.ndhs.org

169 ms

start.aspx

501 ms

base.css

9 ms

imod-grid.css

14 ms

pikabu.css

12 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 71% of them (57 requests) were addressed to the original Ndhs.org, 9% (7 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Notredame.smugmug.com. The less responsive or slowest element that took the longest time to load (501 ms) belongs to the original domain Ndhs.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (50%)

Content Size

2.9 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ndhs.org main page is 2.9 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. 80% 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 66.4 kB

  • Original 81.8 kB
  • After minification 77.7 kB
  • After compression 15.4 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 66.4 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 100.1 kB

  • Original 1.1 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. Ndhs images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 922.2 kB

  • Original 1.3 MB
  • After minification 1.1 MB
  • After compression 331.3 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 922.2 kB or 74% of the original size.

CSS Optimization

-83%

Potential reduce by 350.8 kB

  • Original 421.9 kB
  • After minification 380.4 kB
  • After compression 71.2 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. Ndhs.org needs all CSS files to be minified and compressed as it can save up to 350.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (59%)

Requests Now

70

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ndhs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.ndhs.org

www.ndhs.org

169 ms

start.aspx

start.aspx

501 ms

base.css

base.css

9 ms

imod-grid.css

imod-grid.css

14 ms

pikabu.css

pikabu.css

12 ms

flexslider.css

flexslider.css

10 ms

style.css

style.css

15 ms

WebResource.axd

WebResource.axd

24 ms

WebResource.axd

WebResource.axd

23 ms

calendar.min.css

calendar.min.css

23 ms

jquery.fancybox.css

jquery.fancybox.css

24 ms

cms_menubar_v2.min.css

cms_menubar_v2.min.css

22 ms

compiled.min.css

compiled.min.css

23 ms

WebResource.axd

WebResource.axd

23 ms

DefaultPageBundle.debug.js

DefaultPageBundle.debug.js

29 ms

appstyles.css

appstyles.css

14 ms

font-awesome.css

font-awesome.css

15 ms

css

css

29 ms

modernizr-latest.js

modernizr-latest.js

16 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

16 ms

smoothscrolling.js

smoothscrolling.js

15 ms

pikabu.min.js

pikabu.min.js

13 ms

pikabu-init.js

pikabu-init.js

15 ms

enc-18167.js

enc-18167.js

18 ms

imod_FloaterDiv.js

imod_FloaterDiv.js

18 ms

ajax_content.js

ajax_content.js

17 ms

ScriptResource.axd

ScriptResource.axd

15 ms

ScriptResource.axd

ScriptResource.axd

17 ms

ScriptResource.axd

ScriptResource.axd

17 ms

ScriptResource.axd

ScriptResource.axd

19 ms

ScriptResource.axd

ScriptResource.axd

19 ms

ScriptResource.axd

ScriptResource.axd

20 ms

ScriptResource.axd

ScriptResource.axd

18 ms

ScriptResource.axd

ScriptResource.axd

20 ms

ScriptResource.axd

ScriptResource.axd

19 ms

ScriptResource.axd

ScriptResource.axd

21 ms

imodbase.css

imodbase.css

16 ms

analytics.js

analytics.js

186 ms

bkgd_header.png

bkgd_header.png

140 ms

W0qDrGQnzSs

W0qDrGQnzSs

193 ms

ajax_content.aspx

ajax_content.aspx

133 ms

logo_long_dk.png

logo_long_dk.png

22 ms

bkgd_topnav.png

bkgd_topnav.png

22 ms

bkgd_body_dk.gif

bkgd_body_dk.gif

20 ms

Boys_Basketball_2016_635923381032505677.jpg

Boys_Basketball_2016_635923381032505677.jpg

23 ms

bkgd_rotator_overlay.png

bkgd_rotator_overlay.png

68 ms

Biology_Gene_Monsters__Notre_Dame_High_School_635919202083697564.jpg

Biology_Gene_Monsters__Notre_Dame_High_School_635919202083697564.jpg

22 ms

Fashion_Show_Slider_635920125114103602.jpg

Fashion_Show_Slider_635920125114103602.jpg

26 ms

Notre_Dame_High_School_Campus_2014_635788946959579869.jpg

Notre_Dame_High_School_Campus_2014_635788946959579869.jpg

22 ms

blackboard_logo_635923389945771438.png

blackboard_logo_635923389945771438.png

22 ms

merit_635923366795488856.jpg

merit_635923366795488856.jpg

23 ms

HallofFameLogowithHolyCrosssymbolatbottom2_635918261780671990.png

HallofFameLogowithHolyCrosssymbolatbottom2_635918261780671990.png

68 ms

GirlsBasketballNotreDameHighSchool_635899147649264809.png

GirlsBasketballNotreDameHighSchool_635899147649264809.png

26 ms

NDHS_LOGO_635913167120185157.jpg

NDHS_LOGO_635913167120185157.jpg

68 ms

calendar_ical_icon.png

calendar_ical_icon.png

26 ms

facebook.png

facebook.png

26 ms

twitter.png

twitter.png

27 ms

loading_spinner.gif

loading_spinner.gif

28 ms

logo_footer.png

logo_footer.png

28 ms

KYNzioYhDai7mTMnx_gDgtUFqmyT-Ih543PWa_C0ig4.woff

KYNzioYhDai7mTMnx_gDgtUFqmyT-Ih543PWa_C0ig4.woff

24 ms

11EDm-lum6tskJMBbdy9aaWGgEO1vGR9ucXjKCo8vxU.woff

11EDm-lum6tskJMBbdy9aaWGgEO1vGR9ucXjKCo8vxU.woff

27 ms

11EDm-lum6tskJMBbdy9ae1ouKFe7zgu3OIJnKP8_aw.woff

11EDm-lum6tskJMBbdy9ae1ouKFe7zgu3OIJnKP8_aw.woff

28 ms

WfiXipsmjqRqsDBQ1bA9CvQp_31g0rjXKZ8Gm9SMcKk.woff

WfiXipsmjqRqsDBQ1bA9CvQp_31g0rjXKZ8Gm9SMcKk.woff

58 ms

TKyx_-JJ6MdpQruNk-t-PM_0Gg_psQEhwRxPwkVXUB8.woff

TKyx_-JJ6MdpQruNk-t-PM_0Gg_psQEhwRxPwkVXUB8.woff

46 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

105 ms

XdmSessionProvider.aspx

XdmSessionProvider.aspx

241 ms

collect

collect

44 ms

DSC09141-Th.jpg

DSC09141-Th.jpg

79 ms

ND%20BB%20Var-Harvard%20Westlake%20Playoff%202016-0134-Th.jpg

ND%20BB%20Var-Harvard%20Westlake%20Playoff%202016-0134-Th.jpg

90 ms

2016-02-24%2012.33.28-Th.jpg

2016-02-24%2012.33.28-Th.jpg

112 ms

2016-02-24%2011.42.40-Th.jpg

2016-02-24%2011.42.40-Th.jpg

112 ms

www-embed-player-vflQrT_sR.css

www-embed-player-vflQrT_sR.css

71 ms

www-embed-player.js

www-embed-player.js

85 ms

base.js

base.js

110 ms

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

51 ms

ad_status.js

ad_status.js

88 ms

imodules_common_1_0_2.js

imodules_common_1_0_2.js

21 ms

easyXDM.min.js

easyXDM.min.js

38 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

55 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

83 ms

Accessibility Review

ndhs.org accessibility score

96

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

Best Practices

ndhs.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

Page has valid source maps

SEO Factors

ndhs.org SEO score

92

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

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 Ndhs.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 Ndhs.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

ndhs.org

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