Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

sdaccelerate.com

Educational DVDs for Grades K12 | Home | DVDs For Schools

Page Load Speed

3.4 sec in total

First Response

18 ms

Resources Loaded

2.9 sec

Page Rendered

501 ms

sdaccelerate.com screenshot

About Website

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

DVDs For Schools offers the best prices for DVDs for the school AV market for grades K12 in Canada and the US. Contact us today.

Visit sdaccelerate.com

Key Findings

We analyzed Sdaccelerate.com page load time and found that the first response time was 18 ms and then it took 3.4 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

sdaccelerate.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value1,370 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

sdaccelerate.com

18 ms

dvdsforschools.com

129 ms

dvdsforschools.com

338 ms

stripe-settings.css

66 ms

style.min.css

129 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sdaccelerate.com, 87% (108 requests) were made to Dvdsforschools.com and 2% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Dvdsforschools.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.3 kB (21%)

Content Size

801.8 kB

After Optimization

632.5 kB

In fact, the total size of Sdaccelerate.com main page is 801.8 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 318.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 164.8 kB

  • Original 193.0 kB
  • After minification 188.9 kB
  • After compression 28.3 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 164.8 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 1.2 kB

  • Original 262.7 kB
  • After minification 261.4 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. Sdaccelerate images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.1 kB

  • Original 318.8 kB
  • After minification 317.7 kB
  • After compression 315.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 145 B

  • Original 27.3 kB
  • After minification 27.3 kB
  • After compression 27.2 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. Sdaccelerate.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 76 (67%)

Requests Now

114

After Optimization

38

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdaccelerate. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sdaccelerate.com accessibility score

90

Accessibility Issues

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

Buttons do not have an accessible name

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.

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sdaccelerate.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

sdaccelerate.com SEO score

97

Search Engine Optimization Advices

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