Tools & Wizards About Us

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

grandslamair.com

Air Conditioning Service, Repair, Installation Northridge CA | Grand Slam Air Conditioning & Heating

Page Load Speed

2 sec in total

First Response

153 ms

Resources Loaded

1.3 sec

Page Rendered

587 ms

About Website

Welcome to grandslamair.com homepage info - get ready to check Grand Slam Air best content right away, or after learning these important things about grandslamair.com

Northridge’s best value in heating and AC installation, repair, and maintenance services. Grand Slam Air Conditioning & Heating, Rheem Dealer serving Granada Hills, Van Nuys, Encino, Sherman Oaks, Woo...

Visit grandslamair.com

Key Findings

We analyzed Grandslamair.com page load time and found that the first response time was 153 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

grandslamair.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value2,700 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value20.9 s

1/100

10%

Network Requests Diagram

grandslamair.com

153 ms

www.grandslamair.com

279 ms

bootstrap.min.css

111 ms

bootnavbar.css

160 ms

style.css

166 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 83% of them (58 requests) were addressed to the original Grandslamair.com, 9% (6 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Cdn.foahomeimprovement.com. The less responsive or slowest element that took the longest time to load (560 ms) belongs to the original domain Grandslamair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.9 kB (21%)

Content Size

162.5 kB

After Optimization

127.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Grandslamair.com main page is 162.5 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. 60% of websites need less resources to load. Javascripts take 70.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 30.6 kB

  • Original 40.5 kB
  • After minification 34.2 kB
  • After compression 9.9 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. This page needs HTML code to be minified as it can gain 6.3 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 30.6 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 3 B

  • Original 14.7 kB
  • After minification 14.7 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. Grand Slam Air images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 2.6 kB

  • Original 70.1 kB
  • After minification 70.1 kB
  • After compression 67.5 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

-5%

Potential reduce by 1.7 kB

  • Original 37.1 kB
  • After minification 37.1 kB
  • After compression 35.4 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. Grandslamair.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (34%)

Requests Now

62

After Optimization

41

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grand Slam Air. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

grandslamair.com accessibility score

78

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

<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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

grandslamair.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

grandslamair.com SEO score

92

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

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 Grandslamair.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 Grandslamair.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 Grand Slam Air. 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: