Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

lightwave.com

Digital Lightwave is now VeEX, Inc!

Page Load Speed

1.9 sec in total

First Response

414 ms

Resources Loaded

1.4 sec

Page Rendered

115 ms

lightwave.com screenshot

About Website

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

Digital Lightwave - 100G, SONET, SDH, OTN, Ethernet, NextGeneration and Jitter and Wander Test equipment for Optical Networks

Visit lightwave.com

Key Findings

We analyzed Lightwave.com page load time and found that the first response time was 414 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

lightwave.com performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

lightwave.com

414 ms

index.html

387 ms

css

52 ms

_redirect.css

384 ms

bg.jpg

388 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 42% of them (5 requests) were addressed to the original Lightwave.com, 33% (4 requests) were made to Fonts.gstatic.com and 17% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (414 ms) belongs to the original domain Lightwave.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 kB (3%)

Content Size

70.5 kB

After Optimization

68.3 kB

In fact, the total size of Lightwave.com main page is 70.5 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. 15% of websites need less resources to load. Images take 49.5 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 1.3 kB

  • Original 2.5 kB
  • After minification 2.5 kB
  • After compression 1.2 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. 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 1.3 kB or 53% of the original size.

Image Optimization

-0%

Potential reduce by 2 B

  • Original 49.5 kB
  • After minification 49.5 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. Lightwave images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-64%

Potential reduce by 821 B

  • Original 1.3 kB
  • After minification 931 B
  • After compression 456 B

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. Lightwave.com needs all CSS files to be minified and compressed as it can save up to 821 B or 64% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lightwave. According to our analytics all requests are already optimized.

Accessibility Review

lightwave.com accessibility score

58

Accessibility Issues

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

lightwave.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

lightwave.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

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 Lightwave.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 Lightwave.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 Lightwave. 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: