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opsm.co.nz screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

opsm.co.nz

OPSM - Eyewear, Contacts and Eye-Care for Women, Men and Kids

Page Load Speed

3.4 sec in total

First Response

207 ms

Resources Loaded

2.5 sec

Page Rendered

619 ms

opsm.co.nz screenshot

About Website

Welcome to opsm.co.nz homepage info - get ready to check OPSM best content for New Zealand right away, or after learning these important things about opsm.co.nz

OPSM Opticians provide professional eyecare, eyewear and contact lenses. Book an eye test online today. Find your local OPSM optician here.

Visit opsm.co.nz

Key Findings

We analyzed Opsm.co.nz page load time and found that the first response time was 207 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

opsm.co.nz performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value9,640 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.306

38/100

15%

TTI (Time to Interactive)

Value35.5 s

0/100

10%

Network Requests Diagram

www.opsm.co.nz

207 ms

ruxitagent_A2Vfqru_10229211201102017.js

107 ms

css2

120 ms

ece6aib.css

128 ms

vendor.min_238.css

55 ms

Our browser made a total of 175 requests to load all elements on the main page. We found that 28% of them (49 requests) were addressed to the original Opsm.co.nz, 30% (53 requests) were made to Media.opsm.com and 16% (28 requests) were made to Assets.opsm.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Media.opsm.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 556.2 kB (16%)

Content Size

3.5 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opsm.co.nz main page is 3.5 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 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 334.3 kB

  • Original 393.5 kB
  • After minification 293.2 kB
  • After compression 59.1 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. This page needs HTML code to be minified as it can gain 100.3 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 334.3 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 70.9 kB

  • Original 2.5 MB
  • After minification 2.5 MB

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. OPSM images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 150.0 kB

  • Original 560.6 kB
  • After minification 560.6 kB
  • After compression 410.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 150.0 kB or 27% of the original size.

CSS Optimization

-42%

Potential reduce by 955 B

  • Original 2.3 kB
  • After minification 2.2 kB
  • After compression 1.3 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. Opsm.co.nz needs all CSS files to be minified and compressed as it can save up to 955 B or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (28%)

Requests Now

146

After Optimization

105

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPSM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.opsm.co.nz

www.opsm.co.nz

207 ms

ruxitagent_A2Vfqru_10229211201102017.js

ruxitagent_A2Vfqru_10229211201102017.js

107 ms

css2

css2

120 ms

ece6aib.css

ece6aib.css

128 ms

vendor.min_238.css

vendor.min_238.css

55 ms

datepicker.min.css

datepicker.min.css

105 ms

app.min_238.css

app.min_238.css

64 ms

opsm-custom_238.css

opsm-custom_238.css

43 ms

opsm-userarea-globalmessages_238.css

opsm-userarea-globalmessages_238.css

99 ms

entry.js

entry.js

121 ms

widgets.js

widgets.js

118 ms

plusone.js

plusone.js

125 ms

vendor.min_238.js

vendor.min_238.js

129 ms

modernizr-custom_238.js

modernizr-custom_238.js

118 ms

opsm.monetate_238.js

opsm.monetate_238.js

118 ms

opsm.core_238.js

opsm.core_238.js

375 ms

app.min_238.js

app.min_238.js

122 ms

main_238.js

main_238.js

143 ms

opsm.gtm_238.js

opsm.gtm_238.js

140 ms

opsm.catalog-search_238.js

opsm.catalog-search_238.js

135 ms

opsm.product_238.js

opsm.product_238.js

143 ms

opsm.user-area_238.js

opsm.user-area_238.js

141 ms

autocomplete_238.js

autocomplete_238.js

372 ms

jquery.h5validate_238.js

jquery.h5validate_238.js

389 ms

opsm.my-account_238.js

opsm.my-account_238.js

388 ms

opsm.search_238.js

opsm.search_238.js

393 ms

opsm.utils_238.js

opsm.utils_238.js

393 ms

opsm.rx_238.js

opsm.rx_238.js

391 ms

md5_238.js

md5_238.js

390 ms

utagFiller_238.js

utagFiller_238.js

391 ms

bootstrap.js

bootstrap.js

132 ms

react.production.min.js

react.production.min.js

126 ms

react-dom.production.min.js

react-dom.production.min.js

143 ms

BAETBanner_238.js

BAETBanner_238.js

427 ms

opsm.locationSearch_238.js

opsm.locationSearch_238.js

427 ms

frameadvisor.css

frameadvisor.css

320 ms

uKh1DVmk

uKh1DVmk

320 ms

p.css

p.css

23 ms

react.production.min.js

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245 ms

react-dom.production.min.js

react-dom.production.min.js

246 ms

all.js

all.js

337 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

319 ms

iframe_api

iframe_api

290 ms

CL_M.jpg

CL_M.jpg

244 ms

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AC_DAILIES_TOTAL1_90_shad_qt.png

433 ms

close.svg

close.svg

128 ms

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130 ms

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131 ms

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128 ms

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129 ms

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130 ms

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140 ms

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140 ms

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139 ms

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140 ms

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139 ms

eyeglasses-woman.png

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746 ms

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431 ms

eyeglasses-kids.png

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751 ms

FrameGenius_Icon.svg

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431 ms

Glasses_M.jpg

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751 ms

sunglasses-woman.png

sunglasses-woman.png

745 ms

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749 ms

sunglasses-kids.png

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749 ms

Sunglasses_M.jpg

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1354 ms

BET_M.jpg

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1348 ms

book-an-eye-test.png

book-an-eye-test.png

1345 ms

health-funds.png

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1325 ms

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1350 ms

heart-mob.png

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1365 ms

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1326 ms

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1367 ms

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1352 ms

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1364 ms

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1369 ms

brand.png

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1353 ms

CL_D.jpg

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1372 ms

Ray_Ban_DDM.svg

Ray_Ban_DDM.svg

1354 ms

oakley.svg

oakley.svg

1355 ms

Prada.svg

Prada.svg

1356 ms

scuderia_ferrari.svg

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1357 ms

ralph.svg

ralph.svg

1358 ms

versace.svg

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Sunglasses_D.jpg

Sunglasses_D.jpg

1369 ms

jimmy_choo.svg

jimmy_choo.svg

1362 ms

Glasses_D.jpg

Glasses_D.jpg

1372 ms

HF_SouthernCross.png

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1370 ms

BET_D.jpg

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1374 ms

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1370 ms

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743 ms

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JJ_ACUVUE_OASYS_6_shad_qt.png

1321 ms

CV_OPSM_LOVES_EYES_1_DAY_90_shad_qt.png

CV_OPSM_LOVES_EYES_1_DAY_90_shad_qt.png

1321 ms

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1363 ms

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1364 ms

icomoon.ttf

icomoon.ttf

142 ms

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108 ms

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337 ms

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653 ms

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140 ms

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438 ms

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990 ms

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utag.js

794 ms

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650 ms

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Collect_In_Store.svg

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Accessibility Review

opsm.co.nz accessibility score

75

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

Image elements do not have [alt] attributes

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

High

Some elements have a [tabindex] value greater than 0

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

opsm.co.nz 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

Missing source maps for large first-party JavaScript

SEO Factors

opsm.co.nz SEO score

78

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

    N/A

  • Encoding

    UTF-8

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

opsm.co.nz

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