Tools & Wizards About Us
jamcooptical.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

jamcooptical.com

Jamco Optical | Optical Store in Singapore | Mountbatten Road, Katong Shopping Centre, Singapore

Page Load Speed

2.1 sec in total

First Response

96 ms

Resources Loaded

2 sec

Page Rendered

54 ms

jamcooptical.com screenshot

About Website

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

Jamco Optical provides personalized optical services in Singapore. Through innovation and time, we continously seek to carry high quality eyewear and interesting brands to the Singapore market.

Visit jamcooptical.com

Key Findings

We analyzed Jamcooptical.com page load time and found that the first response time was 96 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

jamcooptical.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value3,170 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

www.jamcooptical.com

96 ms

originTrials.41d7301a.bundle.min.js

36 ms

minified.js

39 ms

focus-within-polyfill.js

36 ms

polyfill.min.js

231 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jamcooptical.com, 55% (35 requests) were made to Static.wixstatic.com and 20% (13 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 704.0 kB (58%)

Content Size

1.2 MB

After Optimization

512.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jamcooptical.com main page is 1.2 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. 45% of websites need less resources to load. HTML takes 678.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 539.3 kB

  • Original 678.7 kB
  • After minification 677.2 kB
  • After compression 139.4 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 539.3 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 10.9 kB

  • Original 165.7 kB
  • After minification 154.9 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. Jamco Optical images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 153.8 kB

  • Original 371.9 kB
  • After minification 371.9 kB
  • After compression 218.1 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 153.8 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (33%)

Requests Now

51

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jamco 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 as a result speed up the page load time.

Network Requests Diagram

www.jamcooptical.com

www.jamcooptical.com

96 ms

originTrials.41d7301a.bundle.min.js

originTrials.41d7301a.bundle.min.js

36 ms

minified.js

minified.js

39 ms

focus-within-polyfill.js

focus-within-polyfill.js

36 ms

polyfill.min.js

polyfill.min.js

231 ms

thunderbolt-commons.1e70fbb2.bundle.min.js

thunderbolt-commons.1e70fbb2.bundle.min.js

66 ms

main.42e492e1.bundle.min.js

main.42e492e1.bundle.min.js

67 ms

lodash.min.js

lodash.min.js

67 ms

react.production.min.js

react.production.min.js

65 ms

react-dom.production.min.js

react-dom.production.min.js

70 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

69 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

69 ms

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387 ms

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369 ms

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457 ms

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394 ms

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450 ms

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638 ms

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618 ms

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666 ms

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553 ms

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619 ms

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629 ms

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778 ms

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808 ms

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886 ms

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869 ms

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865 ms

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874 ms

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946 ms

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1090 ms

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1048 ms

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1151 ms

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1017 ms

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1137 ms

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1229 ms

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1174 ms

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1278 ms

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1239 ms

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1251 ms

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1157 ms

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1282 ms

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1315 ms

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1390 ms

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1360 ms

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1540 ms

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100 ms

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98 ms

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deprecation-en.v5.html

9 ms

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9 ms

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6 ms

right-arrow.svg

right-arrow.svg

4 ms

Accessibility Review

jamcooptical.com accessibility score

88

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.

Best Practices

jamcooptical.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

jamcooptical.com SEO score

98

Search Engine Optimization Advices

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 Jamcooptical.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 Jamcooptical.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

jamcooptical.com

Open Graph data is detected on the main page of Jamco Optical. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: