Tools & Wizards About Us
doublegoodlamps.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

doublegoodlamps.com

LED Light Bulb, LED Lamp Manufacturers and Suppliers China - CE, RoHS Certification - DGC

Page Load Speed

3.4 sec in total

First Response

400 ms

Resources Loaded

2.6 sec

Page Rendered

423 ms

doublegoodlamps.com screenshot

About Website

Welcome to doublegoodlamps.com homepage info - get ready to check Doublegood Lamp S best content right away, or after learning these important things about doublegoodlamps.com

Browse our website and shop online for quality LED light bulb, LED lamp with CE and RoHS certification. Our factory provides online shopping for quality, durable and standard LED lighting products str...

Visit doublegoodlamps.com

Key Findings

We analyzed Doublegoodlamps.com page load time and found that the first response time was 400 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

doublegoodlamps.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.404

25/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

doublegoodlamps.com

400 ms

www.doublegoodlamps.com

732 ms

style.css

79 ms

jquery.js

290 ms

Site_Common.js

154 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 96% of them (47 requests) were addressed to the original Doublegoodlamps.com, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Doublegoodlamps.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.3 kB (12%)

Content Size

488.5 kB

After Optimization

430.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doublegoodlamps.com main page is 488.5 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. 30% of websites need less resources to load. Images take 379.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 29.5 kB

  • Original 34.4 kB
  • After minification 33.7 kB
  • After compression 4.9 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 29.5 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 20.2 kB

  • Original 379.5 kB
  • After minification 359.3 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. Doublegood Lamp S images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 6.6 kB

  • Original 65.8 kB
  • After minification 65.8 kB
  • After compression 59.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-22%

Potential reduce by 1.9 kB

  • Original 8.8 kB
  • After minification 8.8 kB
  • After compression 6.9 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. Doublegoodlamps.com needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (13%)

Requests Now

47

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doublegood Lamp S. 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

doublegoodlamps.com

doublegoodlamps.com

400 ms

www.doublegoodlamps.com

www.doublegoodlamps.com

732 ms

style.css

style.css

79 ms

jquery.js

jquery.js

290 ms

Site_Common.js

Site_Common.js

154 ms

scroll.js

scroll.js

153 ms

flash.js

flash.js

153 ms

js6.js

js6.js

152 ms

bg.gif

bg.gif

159 ms

index_01.gif

index_01.gif

161 ms

logo201612071130582326164.png

logo201612071130582326164.png

240 ms

index_04.gif

index_04.gif

160 ms

ba201612121356369966765.jpg

ba201612121356369966765.jpg

568 ms

ba201612121358189732526.jpg

ba201612121358189732526.jpg

510 ms

ba201612121358263643976.jpg

ba201612121358263643976.jpg

580 ms

index_27.gif

index_27.gif

294 ms

index_21.gif

index_21.gif

283 ms

index_30.gif

index_30.gif

326 ms

index_29.gif

index_29.gif

369 ms

index_32.gif

index_32.gif

369 ms

g80-120mm-10w-global-super-bright-light-bulb56395349699.jpg

g80-120mm-10w-global-super-bright-light-bulb56395349699.jpg

405 ms

p201703281403594723938.jpg

p201703281403594723938.jpg

476 ms

p201612301320199253171.jpg

p201612301320199253171.jpg

492 ms

p201612091042514039694.jpg

p201612091042514039694.jpg

494 ms

p201612091043136849353.jpg

p201612091043136849353.jpg

828 ms

p201612091012593323401.jpg

p201612091012593323401.jpg

844 ms

p201612091701043893707.jpg

p201612091701043893707.jpg

841 ms

p201612091653507952093.jpg

p201612091653507952093.jpg

842 ms

p201612141524017387465.jpg

p201612141524017387465.jpg

856 ms

p201612231350523348110.jpg

p201612231350523348110.jpg

855 ms

p201612091706224362439.jpg

p201612091706224362439.jpg

922 ms

p201612091650426542745.jpg

p201612091650426542745.jpg

931 ms

index_32.gif

index_32.gif

915 ms

index_47.gif

index_47.gif

914 ms

index_56.gif

index_56.gif

923 ms

index_51.gif

index_51.gif

922 ms

index_63.gif

index_63.gif

1008 ms

index_62.gif

index_62.gif

1009 ms

index_65.gif

index_65.gif

1009 ms

index_77.gif

index_77.gif

1007 ms

index_80.gif

index_80.gif

1007 ms

ny_14.gif

ny_14.gif

987 ms

index_89.gif

index_89.gif

1052 ms

index_92.gif

index_92.gif

1053 ms

analytics.js

analytics.js

43 ms

collect

collect

31 ms

s

s

944 ms

bt_arr.png

bt_arr.png

928 ms

dot.png

dot.png

926 ms

Accessibility Review

doublegoodlamps.com accessibility score

43

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

[id] attributes on active, focusable elements are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

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

doublegoodlamps.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

SEO Factors

doublegoodlamps.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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Doublegoodlamps.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 Doublegoodlamps.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

doublegoodlamps.com

Open Graph data is detected on the main page of Doublegood Lamp S. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: