Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

vertex-lighting.com

Page Load Speed

7.1 sec in total

First Response

1.4 sec

Resources Loaded

5.1 sec

Page Rendered

600 ms

About Website

Visit vertex-lighting.com now to see the best up-to-date Vertex Lighting content and also check out these interesting facts you probably never knew about vertex-lighting.com

With over 22 years of ODM experience, we sell various patented lighting fixtures such as under cabinet lighting, smart downlight, recessed lighting, ceiling light, etc.

Visit vertex-lighting.com

Key Findings

We analyzed Vertex-lighting.com page load time and found that the first response time was 1.4 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

vertex-lighting.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.292

41/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

Network Requests Diagram

www.vertex-lighting.com

1404 ms

Webfrist.css

78 ms

style.css

157 ms

common.css

169 ms

jquery-1.7.2.min.js

395 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 63% of them (47 requests) were addressed to the original Vertex-lighting.com, 4% (3 requests) were made to Cm.g.doubleclick.net and 4% (3 requests) were made to W.sharethis.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Piwik.weyes.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (18%)

Content Size

5.7 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vertex-lighting.com main page is 5.7 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. 60% of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 33.4 kB

  • Original 42.2 kB
  • After minification 34.4 kB
  • After compression 8.9 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 7.8 kB, which is 18% 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 33.4 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 617.8 kB

  • Original 5.1 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. Obviously, Vertex Lighting needs image optimization as it can save up to 617.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 313.0 kB

  • Original 473.1 kB
  • After minification 453.0 kB
  • After compression 160.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 313.0 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 83.3 kB

  • Original 102.2 kB
  • After minification 92.2 kB
  • After compression 18.9 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. Vertex-lighting.com needs all CSS files to be minified and compressed as it can save up to 83.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (45%)

Requests Now

66

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vertex Lighting. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vertex-lighting.com accessibility score

87

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.

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

Document doesn't have a <title> element

High

Links do not have a discernible name

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

vertex-lighting.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vertex-lighting.com SEO score

77

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

Document doesn't have a <title> element

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Vertex-lighting.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 Vertex-lighting.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 Vertex Lighting. 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: