Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

crep-led.com

LED commercial lighting,LED education lighting-Shenzhen CREP Optoelectronics Co. Ltd

Page Load Speed

8.6 sec in total

First Response

251 ms

Resources Loaded

3.5 sec

Page Rendered

4.9 sec

crep-led.com screenshot

About Website

Welcome to crep-led.com homepage info - get ready to check CREP LED best content right away, or after learning these important things about crep-led.com

Shenzhen Crep Optoelectronic Co., Ltd is a National high-tech enterprise focused on research, manufacturing and sales of LED lighting. And entered National Small and Medium-sized Enterprises Share Tra...

Visit crep-led.com

Key Findings

We analyzed Crep-led.com page load time and found that the first response time was 251 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

crep-led.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.07

96/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

Network Requests Diagram

www.crep-led.com

251 ms

touchgraphicslider.css

281 ms

separator.css

275 ms

style.css

297 ms

quicknavigation.css

291 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Crep-led.com, 71% (56 requests) were made to Imrorwxhmnqrlq5p-static.micyjz.com and 11% (9 requests) were made to Rprorwxhmnqrlq5p-static.micyjz.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Imrorwxhmnqrlq5p-static.micyjz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 312.6 kB (2%)

Content Size

18.7 MB

After Optimization

18.4 MB

In fact, the total size of Crep-led.com main page is 18.7 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. 65% of websites need less resources to load. Images take 18.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 248.8 kB

  • Original 294.7 kB
  • After minification 294.7 kB
  • After compression 45.9 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. 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 248.8 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 40.2 kB

  • Original 18.2 MB
  • After minification 18.2 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. CREP LED images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 23.6 kB

  • Original 171.7 kB
  • After minification 171.7 kB
  • After compression 148.2 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 23.6 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (21%)

Requests Now

76

After Optimization

60

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CREP LED. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

crep-led.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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

crep-led.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

crep-led.com SEO score

86

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

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

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 Crep-led.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 Crep-led.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 CREP LED. 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: