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premierop.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

premierop.com

New Ophthalmic Equipment, Used Ophthalmic Equipment, Haag Streit, Reliance, Marco Ophthalmic Equipment

Page Load Speed

2.4 sec in total

First Response

120 ms

Resources Loaded

2.1 sec

Page Rendered

202 ms

premierop.com screenshot

About Website

Welcome to premierop.com homepage info - get ready to check Premierop best content for United States right away, or after learning these important things about premierop.com

We purchase & supply new & used ophthalmic equipment. We are distributers for Marco, Reliance, Haag Streit, Heine, Canon and more ophthalmic equipment manufacturers

Visit premierop.com

Key Findings

We analyzed Premierop.com page load time and found that the first response time was 120 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

premierop.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.317

36/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

premierop.com

120 ms

premierop.com

672 ms

e8733e5aa2be4b88905693b7d782ed7e.js

127 ms

css

171 ms

bootstrap.min.css

122 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 4% of them (5 requests) were addressed to the original Premierop.com, 39% (52 requests) were made to Cdn2.bigcommerce.com and 18% (24 requests) were made to Cdn1.bigcommerce.com. The less responsive or slowest element that took the longest time to load (672 ms) belongs to the original domain Premierop.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.0 kB (21%)

Content Size

1.0 MB

After Optimization

797.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Premierop.com main page is 1.0 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. 70% of websites need less resources to load. Images take 487.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 148.0 kB

  • Original 170.7 kB
  • After minification 155.0 kB
  • After compression 22.7 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 148.0 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 6.2 kB

  • Original 487.6 kB
  • After minification 481.4 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. Premierop images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 57.3 kB

  • Original 340.9 kB
  • After minification 340.8 kB
  • After compression 283.7 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 57.3 kB or 17% of the original size.

CSS Optimization

-27%

Potential reduce by 3.5 kB

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 9.4 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. Premierop.com needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 76 (62%)

Requests Now

123

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 123 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Premierop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

premierop.com

premierop.com

120 ms

premierop.com

premierop.com

672 ms

e8733e5aa2be4b88905693b7d782ed7e.js

e8733e5aa2be4b88905693b7d782ed7e.js

127 ms

css

css

171 ms

bootstrap.min.css

bootstrap.min.css

122 ms

zoho-form.css

zoho-form.css

167 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

169 ms

styles.css

styles.css

167 ms

iselector.css

iselector.css

282 ms

flexslider.css

flexslider.css

166 ms

slide-show.css

slide-show.css

167 ms

styles-slide-show.css

styles-slide-show.css

165 ms

social.css

social.css

189 ms

styles.css

styles.css

193 ms

light.css

light.css

192 ms

theme.css

theme.css

191 ms

grid.css

grid.css

201 ms

responsive.css

responsive.css

205 ms

font-awesome.css

font-awesome.css

217 ms

custom.css

custom.css

208 ms

product.attributes.css

product.attributes.css

165 ms

ui.all.css

ui.all.css

164 ms

product.quickview.css

product.quickview.css

213 ms

store.css

store.css

163 ms

imodal.css

imodal.css

163 ms

js

js

183 ms

animate.css

animate.css

208 ms

owl.carousel.css

owl.carousel.css

214 ms

font-awesome.min.css

font-awesome.min.css

213 ms

jquery.min.js

jquery.min.js

116 ms

jquery.scrolly.min.js

jquery.scrolly.min.js

162 ms

menudrop.js

menudrop.js

184 ms

iselector.js

iselector.js

183 ms

jquery.flexslider.js

jquery.flexslider.js

198 ms

viewport.js

viewport.js

199 ms

zoho-form-validation.js

zoho-form-validation.js

160 ms

matchMedia.js

matchMedia.js

159 ms

common.js

common.js

162 ms

jquery.autobox.js

jquery.autobox.js

159 ms

init.js

init.js

160 ms

jquery.uniform.min.js

jquery.uniform.min.js

195 ms

main.js

main.js

181 ms

quicksearch.js

quicksearch.js

184 ms

bootstrap.min.js

bootstrap.min.js

196 ms

google-web-font.js

google-web-font.js

197 ms

owl.carousel.min.js

owl.carousel.min.js

197 ms

slick_cfs.css

slick_cfs.css

214 ms

forms.css

forms.css

226 ms

jquery-cookie.js

jquery-cookie.js

197 ms

meros.js

meros.js

204 ms

jquery-ui.min.js

jquery-ui.min.js

159 ms

jquery.validate.js

jquery.validate.js

193 ms

product.functions.js

product.functions.js

182 ms

product.attributes.js

product.attributes.js

181 ms

quickview.js

quickview.js

191 ms

quickview.initialise.js

quickview.initialise.js

193 ms

jquery.form.js

jquery.form.js

178 ms

imodal.js

imodal.js

194 ms

loader.js

loader.js

155 ms

jquery.bgiframe.min.js

jquery.bgiframe.min.js

192 ms

superfish.js

superfish.js

196 ms

visitor.js

visitor.js

195 ms

zcga.js

zcga.js

374 ms

swap.js

swap.js

172 ms

conversion.js

conversion.js

153 ms

csrf-protection-header-5eeddd5de78d98d146ef4fd71b2aedce4161903e.js

csrf-protection-header-5eeddd5de78d98d146ef4fd71b2aedce4161903e.js

195 ms

css

css

433 ms

fbevents.js

fbevents.js

53 ms

bat.js

bat.js

97 ms

analytics.js

analytics.js

81 ms

loader.min.js

loader.min.js

187 ms

webfont.js

webfont.js

52 ms

css

css

53 ms

css

css

90 ms

css

css

39 ms

ecommerce.js

ecommerce.js

10 ms

collect

collect

40 ms

56022795.js

56022795.js

29 ms

js

js

52 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

73 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

212 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

214 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

214 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

214 ms

bg.jpg

bg.jpg

46 ms

loader.png

loader.png

40 ms

premier-logo2-ec5_1583172778__24348.png

premier-logo2-ec5_1583172778__24348.png

40 ms

main-banner-tonovera2.jpg

main-banner-tonovera2.jpg

41 ms

leftbanner-ocufilm.jpg

leftbanner-ocufilm.jpg

38 ms

mask-thumb2.jpg

mask-thumb2.jpg

39 ms

banner-block-vs700.jpg

banner-block-vs700.jpg

39 ms

banner-block-used-equipment2.jpg

banner-block-used-equipment2.jpg

39 ms

banner-block-optopol.jpg

banner-block-optopol.jpg

200 ms

breath-shield-dimensions-39989.png

breath-shield-dimensions-39989.png

275 ms

thumb-sg-mask2.jpg

thumb-sg-mask2.jpg

201 ms

thumb-tonosafe.jpg

thumb-tonosafe.jpg

201 ms

RetinaVue100-product-rightside-tray-pc__83643.1688708538.160.160.jpg

RetinaVue100-product-rightside-tray-pc__83643.1688708538.160.160.jpg

200 ms

IcoRating0.png

IcoRating0.png

200 ms

AC_24_6100__92868.1583472652.160.160.jpg

AC_24_6100__92868.1583472652.160.160.jpg

204 ms

tonopen_avia_hand_320px2531__21729.1338387012.160.160.jpg

tonopen_avia_hand_320px2531__21729.1338387012.160.160.jpg

202 ms

IcoRating5.png

IcoRating5.png

234 ms

ez28__04018.1688733638.160.160.jpg

ez28__04018.1688733638.160.160.jpg

203 ms

77876-9017982__67854.1712250567.160.160.jpg

77876-9017982__67854.1712250567.160.160.jpg

203 ms

841019000316098001__62555.1709101050.160.160.jpg

841019000316098001__62555.1709101050.160.160.jpg

233 ms

ez20__62951.1477685348.160.160.jpg

ez20__62951.1477685348.160.160.jpg

233 ms

used-CT-80-nct__66939.1473093086.160.160.jpg

used-CT-80-nct__66939.1473093086.160.160.jpg

233 ms

reliance-exam-room-4246-pneumatic-stool-with-back-black-13583819407458_1024x1024.jpg__79399.1701095322.160.160.jpg

reliance-exam-room-4246-pneumatic-stool-with-back-black-13583819407458_1024x1024.jpg__79399.1701095322.160.160.jpg

233 ms

ke-tonoclear__31826.1612304280.160.160.jpg

ke-tonoclear__31826.1612304280.160.160.jpg

234 ms

Spot-Vision-Screener_rt-front-angle__09177.1689193861.160.160.jpg

Spot-Vision-Screener_rt-front-angle__09177.1689193861.160.160.jpg

233 ms

st0rl5346blfg_1__86925.1633458441.1280.1280__33527.1669608337.160.160.jpg

st0rl5346blfg_1__86925.1633458441.1280.1280__33527.1669608337.160.160.jpg

251 ms

RL-5346-Pumice__68515.1688993199.160.160.jpg

RL-5346-Pumice__68515.1688993199.160.160.jpg

234 ms

90d__96790.1339687399.160.160.jpg

90d__96790.1339687399.160.160.jpg

251 ms

csm_1221-900-INNO-Reichart_In-Article_494d5e82c4__19206.1716522537.160.160.png

csm_1221-900-INNO-Reichart_In-Article_494d5e82c4__19206.1716522537.160.160.png

257 ms

Topcon-OC-2400_Chair__66748.1696522385.160.160.jpg

Topcon-OC-2400_Chair__66748.1696522385.160.160.jpg

257 ms

Phor_RX_Master_800px5743_2__79054.1689354792.160.160.jpg

Phor_RX_Master_800px5743_2__79054.1689354792.160.160.jpg

251 ms

Screenshot_2023-07-07_at_9.51.06_AM__09154.1688745648.160.160.png

Screenshot_2023-07-07_at_9.51.06_AM__09154.1688745648.160.160.png

257 ms

lorgnette_occluder__16819.1689254668.160.160.jpg

lorgnette_occluder__16819.1689254668.160.160.jpg

258 ms

RetinaVue100-product-rightside-tray-pc__40315.1688678141.160.160.jpg

RetinaVue100-product-rightside-tray-pc__40315.1688678141.160.160.jpg

257 ms

841019000311499001__96796.1709099736.160.160.jpg

841019000311499001__96796.1709099736.160.160.jpg

265 ms

841019000340485008-2__34416.1719892099.160.160.jpg

841019000340485008-2__34416.1719892099.160.160.jpg

269 ms

tonopen_avia_hand_320px2531__69672.1709080170.160.160.jpg

tonopen_avia_hand_320px2531__69672.1709080170.160.160.jpg

268 ms

ocufilm_box_320px5942__74175.1339448269.160.160.jpg

ocufilm_box_320px5942__74175.1339448269.160.160.jpg

268 ms

logo-fixed.png

logo-fixed.png

199 ms

widget

widget

521 ms

icon-sprite.png

icon-sprite.png

346 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

163 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

164 ms

sprite-social.png

sprite-social.png

336 ms

147 ms

arrows-ffffff.png

arrows-ffffff.png

38 ms

index.php

index.php

144 ms

31 ms

Accessibility Review

premierop.com accessibility score

71

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

premierop.com 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

High

Page has valid source maps

SEO Factors

premierop.com SEO score

75

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

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

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

premierop.com

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