Tools & Wizards About Us
lightglassoptics.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

lightglassoptics.com

Welcome to Lightglass Optics - Newport, Thorlabs, OptoSigma & More for Less!

Page Load Speed

2.6 sec in total

First Response

887 ms

Resources Loaded

1.6 sec

Page Rendered

127 ms

lightglassoptics.com screenshot

About Website

Visit lightglassoptics.com now to see the best up-to-date Lightglass Optics content and also check out these interesting facts you probably never knew about lightglassoptics.com

Lightglass Optics sells pre-owned optomechanical equipment by Newport, Line Tool Co., OptoSigma, Thorlabs, New Focus and others. We Stock Linear Stages, Rotation Stages, Mounts, Autocollimators, Align...

Visit lightglassoptics.com

Key Findings

We analyzed Lightglassoptics.com page load time and found that the first response time was 887 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

lightglassoptics.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.134

80/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

www.lightglassoptics.com

887 ms

modernizr.min.js

46 ms

utilities.js

41 ms

css

32 ms

css

60 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 43% of them (15 requests) were addressed to the original Lightglassoptics.com, 37% (13 requests) were made to Lightglassoptics.3dcartstores.com and 14% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (887 ms) belongs to the original domain Lightglassoptics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.6 kB (20%)

Content Size

181.7 kB

After Optimization

146.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lightglassoptics.com main page is 181.7 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. 35% of websites need less resources to load. Javascripts take 69.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.9 kB

  • Original 24.7 kB
  • After minification 24.5 kB
  • After compression 5.8 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 18.9 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 1.1 kB

  • Original 52.1 kB
  • After minification 51.0 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. Lightglass Optics images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 15.5 kB

  • Original 69.7 kB
  • After minification 69.7 kB
  • After compression 54.1 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 15.5 kB or 22% of the original size.

CSS Optimization

-0%

Potential reduce by 25 B

  • Original 35.3 kB
  • After minification 35.3 kB
  • After compression 35.3 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. Lightglassoptics.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lightglass Optics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.lightglassoptics.com

www.lightglassoptics.com

887 ms

modernizr.min.js

modernizr.min.js

46 ms

utilities.js

utilities.js

41 ms

css

css

32 ms

css

css

60 ms

layout.css

layout.css

98 ms

responsive.css

responsive.css

41 ms

default.css

default.css

61 ms

quicksearch.css

quicksearch.css

59 ms

fontello.css

fontello.css

82 ms

email-decode.min.js

email-decode.min.js

58 ms

functions.js

functions.js

92 ms

jquery.quicksearch.js

jquery.quicksearch.js

79 ms

jquery.min.js

jquery.min.js

55 ms

logo.png

logo.png

187 ms

count.asp

count.asp

82 ms

cart.png

cart.png

145 ms

scope.png

scope.png

159 ms

search.png

search.png

166 ms

cc.jpg

cc.jpg

263 ms

71-6056_thumbnail.jpg

71-6056_thumbnail.jpg

127 ms

brunson194-tm_thumbnail.jpg

brunson194-tm_thumbnail.jpg

171 ms

IMG_0520%202_thumbnail.jpg

IMG_0520%202_thumbnail.jpg

179 ms

IMG_0512%206_thumbnail.jpg

IMG_0512%206_thumbnail.jpg

184 ms

2935-c_thumbnail.jpg

2935-c_thumbnail.jpg

206 ms

esp300_thumbnail.jpg

esp300_thumbnail.jpg

206 ms

mfn25pp_thumbnail.jpg

mfn25pp_thumbnail.jpg

207 ms

3dvisit.asp

3dvisit.asp

382 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQUwaEQXjM.woff

18 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQUwaEQXjM.woff

22 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQUwaEQXjM.woff

26 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQUwaEQXjM.woff

49 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexoMUdjFnmg.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexoMUdjFnmg.woff

48 ms

fontello.woff

fontello.woff

51 ms

spacer.gif

spacer.gif

29 ms

Accessibility Review

lightglassoptics.com accessibility score

45

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.

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

lightglassoptics.com best practices score

83

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lightglassoptics.com SEO score

93

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

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lightglassoptics.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 Lightglassoptics.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

lightglassoptics.com

Open Graph description is not detected on the main page of Lightglass Optics. 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: