Access vertexskysports.com. Vertex Sky Sports - Freefly Skydiving Suits | FS skydiving Suits | Skydiving Gear | Custom Skydiving...

vertexskysports.com screenshot

18

Performance

Renders faster than
34% of other websites
74

Accessibility

Visual factors better than
that of 40% of websites
67

Best Practices

More advanced features
available than in
24% of websites
90

SEO

Google-friendlier than
68% of websites

First Response

217 ms

Resources Loaded

4.3 sec

Page Rendered

385 ms

vertexskysports.com screenshot

About Website

Welcome to vertexskysports.com homepage info - get ready to check Vertex Sky Sports best content right away, or after learning these important things about vertexskysports.com

Vertex Sky Sports is a UK based manufacturer of custom skydiving suits and skydiving equipment. We produce high quality, competatively priced freefly skydive / skydiving suits, RW formation skydive / ...

Visit vertexskysports.com

Key Findings

We analyzed Vertexskysports.com page load time and found that the first response time was 217 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value3,420 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

vertexskysports.com

217 ms

vertexskysports.com

458 ms

modernizr-custom.js

110 ms

pace.js

222 ms

bootstrap.min.css

318 ms

Our browser made a total of 166 requests to load all elements on the main page. We found that 37% of them (61 requests) were addressed to the original Vertexskysports.com, 49% (82 requests) were made to Lustraze.sirv.com and 3% (5 requests) were made to Scripts.sirv.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Lustraze.sirv.com.

Content Size

4.9 MB

After Optimization

4.7 MB

In fact, the total size of Vertexskysports.com main page is 4.9 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. Only a small number of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 229.1 kB

Original 247.6 kB
After minification 165.9 kB
After compression 18.5 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 81.7 kB, which is 33% 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 229.1 kB or 93% of the original size.

Image Optimization

-0%

Potential reduce by 1.8 kB

Original 4.4 MB
After minification 4.4 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. Vertex Sky Sports images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.3 kB

Original 305.3 kB
After minification 305.3 kB
After compression 302.0 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

-9%

Potential reduce by 429 B

Original 4.7 kB
After minification 4.7 kB
After compression 4.3 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. Vertexskysports.com has all CSS files already compressed.

Requests Now

162

After Optimization

134

The browser has sent 162 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vertex Sky Sports. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

button, link, and menuitem elements do not have accessible names.

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Vertexskysports.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 Vertexskysports.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

vertexskysports.com

Open Graph description is not detected on the main page of Vertex Sky Sports. 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: