Tools & Wizards About Us
sandiegowindtunnel.com screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sandiegowindtunnel.com

San Diego Wind Tunnel/San Diego Air & Space Technology Center - Aerotesting Services, Aerospace, Aerodynamics, Aeronautics

Page Load Speed

1.1 sec in total

First Response

49 ms

Resources Loaded

774 ms

Page Rendered

306 ms

sandiegowindtunnel.com screenshot

About Website

Welcome to sandiegowindtunnel.com homepage info - get ready to check San Diego Wind Tunnel best content right away, or after learning these important things about sandiegowindtunnel.com

World-Class aerodynamics testing facility and low speed wind tunnel for aircraft, high-performance athletics and structural testing and product development aerospace

Visit sandiegowindtunnel.com

Key Findings

We analyzed Sandiegowindtunnel.com page load time and found that the first response time was 49 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

sandiegowindtunnel.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value1.135

1/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

www.sandiegowindtunnel.com

49 ms

site.css

13 ms

duel.js

10 ms

scc-c2.min.js

57 ms

jq.js

27 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 14% of them (2 requests) were addressed to the original Sandiegowindtunnel.com, 50% (7 requests) were made to Img1.wsimg.com and 36% (5 requests) were made to Nebula.wsimg.com. The less responsive or slowest element that took the longest time to load (645 ms) relates to the external source Nebula.wsimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 509.2 kB (16%)

Content Size

3.1 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sandiegowindtunnel.com main page is 3.1 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. 30% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 59.4 kB

  • Original 67.2 kB
  • After minification 67.2 kB
  • After compression 7.8 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 59.4 kB or 88% of the original size.

Image Optimization

-10%

Potential reduce by 274.5 kB

  • Original 2.8 MB
  • After minification 2.6 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. San Diego Wind Tunnel images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 175.2 kB

  • Original 247.0 kB
  • After minification 246.9 kB
  • After compression 71.8 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 175.2 kB or 71% of the original size.

CSS Optimization

-0%

Potential reduce by 31 B

  • Original 6.4 kB
  • After minification 6.4 kB
  • After compression 6.4 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. Sandiegowindtunnel.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (46%)

Requests Now

13

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of San Diego Wind Tunnel. 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 as a result speed up the page load time.

Network Requests Diagram

www.sandiegowindtunnel.com

www.sandiegowindtunnel.com

49 ms

site.css

site.css

13 ms

duel.js

duel.js

10 ms

scc-c2.min.js

scc-c2.min.js

57 ms

jq.js

jq.js

27 ms

9d6f607b8ca95b31b1080f26d1394d4d

9d6f607b8ca95b31b1080f26d1394d4d

619 ms

subNavigation.js

subNavigation.js

35 ms

cookiemanager.js

cookiemanager.js

32 ms

iebackground.js

iebackground.js

32 ms

3e540fd5b359db6191a718c259b1dcb6

3e540fd5b359db6191a718c259b1dcb6

232 ms

eeb2c651376bd6aabf035ede6af2c8b6

eeb2c651376bd6aabf035ede6af2c8b6

525 ms

c5b8cca6d3f41a14652f5225ba592f4b

c5b8cca6d3f41a14652f5225ba592f4b

645 ms

fe464d756cd4161e80464898dd8b4414

fe464d756cd4161e80464898dd8b4414

11 ms

util.window.js

util.window.js

15 ms

Accessibility Review

sandiegowindtunnel.com accessibility score

44

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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.

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

sandiegowindtunnel.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

Page has valid source maps

SEO Factors

sandiegowindtunnel.com 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

Image elements do not have [alt] attributes

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 Sandiegowindtunnel.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 Sandiegowindtunnel.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

sandiegowindtunnel.com

Open Graph data is detected on the main page of San Diego Wind Tunnel. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: