Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

vlookoptical.com

Buy Prescription Glasses, Sunglasses and Eyeglasses Frames Online - VlookGlasses

Page Load Speed

942 ms in total

First Response

102 ms

Resources Loaded

679 ms

Page Rendered

161 ms

vlookoptical.com screenshot

About Website

Click here to check amazing Vlook Optical content. Otherwise, check out these important facts you probably never knew about vlookoptical.com

Shop for Eyeglasses, Stylish Sunglasses, Spectacles Frames Online for both Men and Women at Best Price. Free In-Home Try-On and $0 shipping and returns on all stylish frames online.

Visit vlookoptical.com

Key Findings

We analyzed Vlookoptical.com page load time and found that the first response time was 102 ms and then it took 840 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

vlookoptical.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value3,350 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

vlookoptical.com

102 ms

vlookoptical.com

237 ms

gtm.js

180 ms

fbevents.js

151 ms

1fb24a38e47954a1e0257c08a.js

264 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 38% of them (23 requests) were addressed to the original Vlookoptical.com, 46% (28 requests) were made to Img.vlookoptical.com and 5% (3 requests) were made to D11mqqjj4dkdrj.cloudfront.net. The less responsive or slowest element that took the longest time to load (264 ms) relates to the external source Chimpstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.0 kB (20%)

Content Size

1.3 MB

After Optimization

1.0 MB

In fact, the total size of Vlookoptical.com main page is 1.3 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. Only a small number of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 137.4 kB

  • Original 185.9 kB
  • After minification 185.8 kB
  • After compression 48.4 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 137.4 kB or 74% of the original size.

Image Optimization

-11%

Potential reduce by 109.2 kB

  • Original 1.0 MB
  • After minification 893.9 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. Obviously, Vlook Optical needs image optimization as it can save up to 109.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 286 B

  • Original 4.8 kB
  • After minification 4.8 kB
  • After compression 4.5 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

-0%

Potential reduce by 16 B

  • Original 71.8 kB
  • After minification 71.8 kB
  • After compression 71.8 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. Vlookoptical.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (38%)

Requests Now

58

After Optimization

36

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vlook Optical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vlookoptical.com accessibility score

80

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

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

vlookoptical.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vlookoptical.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vlookoptical.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 Vlookoptical.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 Vlook Optical. 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: