Tools & Wizards About Us

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

installerinstitute.com

Installer Institute | Car Audio Installation and Mobile Electronics Education

Page Load Speed

685 ms in total

First Response

42 ms

Resources Loaded

537 ms

Page Rendered

106 ms

About Website

Click here to check amazing Installer Institute content for United States. Otherwise, check out these important facts you probably never knew about installerinstitute.com

The Installer Institute is a school for car audio installation training offering MESA certification. The leader in Mobile Electronics Installation education including Car Audio, Video, and more.

Visit installerinstitute.com

Key Findings

We analyzed Installerinstitute.com page load time and found that the first response time was 42 ms and then it took 643 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

installerinstitute.com performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

installerinstitute.com

42 ms

installerinstitute.edu

194 ms

normalize.css

34 ms

webflow.css

69 ms

installer-institute.webflow.css

102 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Installerinstitute.com, 50% (10 requests) were made to Fonts.gstatic.com and 30% (6 requests) were made to Installerinstitute.edu. The less responsive or slowest element that took the longest time to load (257 ms) relates to the external source D3e54v103j8qbb.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.0 kB (18%)

Content Size

74.0 kB

After Optimization

61.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Installerinstitute.com main page is 74.0 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. 25% of websites need less resources to load. Javascripts take 50.7 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 5.1 kB

  • Original 7.8 kB
  • After minification 7.2 kB
  • After compression 2.7 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 5.1 kB or 65% of the original size.

JavaScript Optimization

-4%

Potential reduce by 1.9 kB

  • Original 50.7 kB
  • After minification 50.7 kB
  • After compression 48.9 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

-39%

Potential reduce by 6.1 kB

  • Original 15.5 kB
  • After minification 14.4 kB
  • After compression 9.4 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. Installerinstitute.com needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (38%)

Requests Now

8

After Optimization

5

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

Accessibility Review

installerinstitute.com accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

installerinstitute.com best practices score

92

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

SEO Factors

installerinstitute.com SEO score

92

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Installerinstitute.com 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 Installerinstitute.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 description is not detected on the main page of Installer Institute. 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: