Tools & Wizards About Us
davincioptical.ca screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

davincioptical.ca

Davinci Optical - Eyewear frame, prescription glasses, sunglasses, contact lenses | Lonsdale Ave North Vancouver, BC

Page Load Speed

522 ms in total

First Response

52 ms

Resources Loaded

365 ms

Page Rendered

105 ms

davincioptical.ca screenshot

About Website

Welcome to davincioptical.ca homepage info - get ready to check Davinci Optical best content right away, or after learning these important things about davincioptical.ca

Find your new look, eyewear, fram, designer frames, eyeglasses, sunglasses, contact lens, eye exam, repairs

Visit davincioptical.ca

Key Findings

We analyzed Davincioptical.ca page load time and found that the first response time was 52 ms and then it took 470 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

davincioptical.ca performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.132

81/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

davincioptical.ca

52 ms

style.css

32 ms

camera.css

52 ms

jquery.js

69 ms

jquery-migrate-1.2.1.js

53 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 86% of them (37 requests) were addressed to the original Davincioptical.ca, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (129 ms) belongs to the original domain Davincioptical.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.5 kB (39%)

Content Size

535.5 kB

After Optimization

327.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Davincioptical.ca main page is 535.5 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 245.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.2 kB

  • Original 13.1 kB
  • After minification 12.7 kB
  • After compression 4.0 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 9.2 kB or 70% of the original size.

Image Optimization

-4%

Potential reduce by 8.9 kB

  • Original 245.7 kB
  • After minification 236.8 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. Davinci Optical images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 158.8 kB

  • Original 236.7 kB
  • After minification 236.6 kB
  • After compression 77.9 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 158.8 kB or 67% of the original size.

CSS Optimization

-77%

Potential reduce by 30.7 kB

  • Original 39.9 kB
  • After minification 38.1 kB
  • After compression 9.3 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. Davincioptical.ca needs all CSS files to be minified and compressed as it can save up to 30.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (68%)

Requests Now

40

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Davinci 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 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

davincioptical.ca

davincioptical.ca

52 ms

style.css

style.css

32 ms

camera.css

camera.css

52 ms

jquery.js

jquery.js

69 ms

jquery-migrate-1.2.1.js

jquery-migrate-1.2.1.js

53 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

26 ms

script.js

script.js

26 ms

superfish.js

superfish.js

47 ms

jquery.mobilemenu.js

jquery.mobilemenu.js

38 ms

jquery.ui.totop.js

jquery.ui.totop.js

49 ms

camera.js

camera.js

82 ms

jquery.equalheights.js

jquery.equalheights.js

59 ms

jquery.mobile.customized.min.js

jquery.mobile.customized.min.js

69 ms

reset.css

reset.css

33 ms

skeleton.css

skeleton.css

34 ms

font-awesome.css

font-awesome.css

61 ms

superfish.css

superfish.css

45 ms

css

css

20 ms

analytics.js

analytics.js

59 ms

dpx

dpx

64 ms

www.davincioptical.ca

www.davincioptical.ca

92 ms

logo.png

logo.png

25 ms

mail.png

mail.png

23 ms

phone.png

phone.png

25 ms

menu_bg.jpg

menu_bg.jpg

24 ms

menu.jpg

menu.jpg

23 ms

searche_bg.jpg

searche_bg.jpg

23 ms

search.png

search.png

54 ms

page1_img1.jpg

page1_img1.jpg

52 ms

link_bg.jpg

link_bg.jpg

47 ms

page1_img2.jpg

page1_img2.jpg

47 ms

page1_img3.jpg

page1_img3.jpg

47 ms

marker.png

marker.png

52 ms

social.png

social.png

65 ms

camera-loader.gif

camera-loader.gif

64 ms

pagination.png

pagination.png

66 ms

Main_Page_ad_2.jpg

Main_Page_ad_2.jpg

103 ms

totop.png

totop.png

72 ms

font

font

14 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

129 ms

collect

collect

25 ms

js

js

71 ms

slide1.jpg

slide1.jpg

32 ms

Accessibility Review

davincioptical.ca 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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

davincioptical.ca best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

davincioptical.ca SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Davincioptical.ca 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 Davincioptical.ca 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

davincioptical.ca

Open Graph description is not detected on the main page of Davinci 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: