Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

interlightus.com

Interlight | Replacement Specialty Light Bulbs | Batteries | Medical

Page Load Speed

4.8 sec in total

First Response

51 ms

Resources Loaded

2.4 sec

Page Rendered

2.3 sec

About Website

Click here to check amazing Interlight Us content for United States. Otherwise, check out these important facts you probably never knew about interlightus.com

Shop high-quality replacement light bulbs for all your needs. We offer a wide range of specialty bulbs, including LED, halogen, fluorescent, xenon, HID, and incandescent options. Find the perfect ener...

Visit interlightus.com

Key Findings

We analyzed Interlightus.com page load time and found that the first response time was 51 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.

Performance Metrics

interlightus.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value6,260 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value28.2 s

0/100

10%

Network Requests Diagram

interlightus.com

51 ms

interlightus.com

136 ms

www.interlightus.com

560 ms

klevu.js

114 ms

quick-search.js

132 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Interlightus.com, 66% (57 requests) were made to Cdn11.bigcommerce.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cdn11.bigcommerce.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 547.3 kB (37%)

Content Size

1.5 MB

After Optimization

928.1 kB

In fact, the total size of Interlightus.com main page is 1.5 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. 70% of websites need less resources to load. Images take 643.8 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 493.0 kB

  • Original 539.2 kB
  • After minification 353.7 kB
  • After compression 46.2 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 185.5 kB, which is 34% 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 493.0 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 3.0 kB

  • Original 643.8 kB
  • After minification 640.9 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. Interlight Us images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 51.2 kB

  • Original 292.4 kB
  • After minification 292.4 kB
  • After compression 241.1 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 51.2 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

68

After Optimization

45

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Interlight Us. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

interlightus.com accessibility score

79

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

<frame> or <iframe> elements do not have a title

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

interlightus.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

interlightus.com SEO score

82

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Interlightus.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 Interlightus.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Interlight Us. 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: