Tools & Wizards About Us
onlineopticiansuk.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

onlineopticiansuk.com

Prescription Glasses & Sunglasses | Online Opticians UK

Page Load Speed

17.3 sec in total

First Response

506 ms

Resources Loaded

16.5 sec

Page Rendered

315 ms

onlineopticiansuk.com screenshot

About Website

Welcome to onlineopticiansuk.com homepage info - get ready to check Online Opticians UK best content for United Kingdom right away, or after learning these important things about onlineopticiansuk.com

Quality prescription glasses, designer frames and sunglasses. Free prescription Essilor lenses, full satisfaction guarantee, BROWSE HERE

Visit onlineopticiansuk.com

Key Findings

We analyzed Onlineopticiansuk.com page load time and found that the first response time was 506 ms and then it took 16.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

onlineopticiansuk.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value6,520 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

onlineopticiansuk.com

506 ms

www.onlineopticiansuk.com

12372 ms

styles2,menu,styles_checkout,zoom_styles,jquery-datepicker,card_logos.css

358 ms

jquery,common,jquery-cookie,jquery-bgiframe,bookmark,jquery-hotspots,jquery-hotspots-settings,jquery-hoverintent,jquery-slider,vs_slider,jplayer,jquery-superfish,pngfix,jquery-carousel

1908 ms

plusone.js

69 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 84% of them (85 requests) were addressed to the original Onlineopticiansuk.com, 5% (5 requests) were made to Go.flx1.com and 2% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (12.4 sec) belongs to the original domain Onlineopticiansuk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 575.5 kB (46%)

Content Size

1.3 MB

After Optimization

684.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onlineopticiansuk.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. 35% of websites need less resources to load. Images take 550.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 99.2 kB

  • Original 114.5 kB
  • After minification 97.0 kB
  • After compression 15.3 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 17.5 kB, which is 15% 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 99.2 kB or 87% of the original size.

Image Optimization

-13%

Potential reduce by 70.5 kB

  • Original 550.6 kB
  • After minification 480.1 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, Online Opticians UK needs image optimization as it can save up to 70.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 352.1 kB

  • Original 529.0 kB
  • After minification 524.8 kB
  • After compression 176.9 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 352.1 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 53.8 kB

  • Original 65.4 kB
  • After minification 62.7 kB
  • After compression 11.7 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. Onlineopticiansuk.com needs all CSS files to be minified and compressed as it can save up to 53.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (28%)

Requests Now

92

After Optimization

66

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Opticians UK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

onlineopticiansuk.com

onlineopticiansuk.com

506 ms

www.onlineopticiansuk.com

www.onlineopticiansuk.com

12372 ms

styles2,menu,styles_checkout,zoom_styles,jquery-datepicker,card_logos.css

styles2,menu,styles_checkout,zoom_styles,jquery-datepicker,card_logos.css

358 ms

jquery,common,jquery-cookie,jquery-bgiframe,bookmark,jquery-hotspots,jquery-hotspots-settings,jquery-hoverintent,jquery-slider,vs_slider,jplayer,jquery-superfish,pngfix,jquery-carousel

jquery,common,jquery-cookie,jquery-bgiframe,bookmark,jquery-hotspots,jquery-hotspots-settings,jquery-hoverintent,jquery-slider,vs_slider,jplayer,jquery-superfish,pngfix,jquery-carousel

1908 ms

plusone.js

plusone.js

69 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

36 ms

conversion.js

conversion.js

31 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

body_bg.gif

body_bg.gif

178 ms

img_close.gif

img_close.gif

97 ms

img_logo.png

img_logo.png

93 ms

view_basket.gif

view_basket.gif

162 ms

basket_checkout.gif

basket_checkout.gif

174 ms

button_search.gif

button_search.gif

174 ms

1426623791Why_buy_From_Us_Online_Opticians_UK.jpg

1426623791Why_buy_From_Us_Online_Opticians_UK.jpg

247 ms

1358484266-62282300.png

1358484266-62282300.png

719 ms

1395869856-59930500.gif

1395869856-59930500.gif

285 ms

1395869874-86786800.gif

1395869874-86786800.gif

260 ms

1358288864Homepage-Small-Promo-buy_a_pair.png

1358288864Homepage-Small-Promo-buy_a_pair.png

415 ms

1357898087video_promo.png

1357898087video_promo.png

355 ms

1434815016-48703700.jpg

1434815016-48703700.jpg

408 ms

1423384311-13564200.jpg

1423384311-13564200.jpg

475 ms

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1423384196-69047100.png

524 ms

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1434776314-37177100.png

518 ms

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1434815604-21642400.jpg

492 ms

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1394297568-92316100.png

580 ms

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567 ms

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582 ms

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1434815895-41883700.jpg

603 ms

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617 ms

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652 ms

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662 ms

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672 ms

1423384755-29835900.png

1423384755-29835900.png

686 ms

1394403657-18850700.png

1394403657-18850700.png

731 ms

homepage_brands_view.gif

homepage_brands_view.gif

1176 ms

1264429067-03576500.jpg

1264429067-03576500.jpg

764 ms

1434818236-33245200.jpg

1434818236-33245200.jpg

752 ms

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773 ms

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1434780028-70852300.jpg

792 ms

1394822957-35670700.jpg

1394822957-35670700.jpg

816 ms

1394063609-80117700.jpg

1394063609-80117700.jpg

838 ms

1431173299-21465200.png

1431173299-21465200.png

854 ms

1394286880-18039400.jpg

1394286880-18039400.jpg

1011 ms

75 ms

ga.js

ga.js

14 ms

__utm.gif

__utm.gif

59 ms

81 ms

1455471977-30881700.jpg

1455471977-30881700.jpg

795 ms

1423390010-11568500.jpg

1423390010-11568500.jpg

817 ms

collect

collect

97 ms

1434348085-78487100.jpg

1434348085-78487100.jpg

766 ms

1455471659-35876900.jpg

1455471659-35876900.jpg

772 ms

1428222888-17985800.jpg

1428222888-17985800.jpg

793 ms

insights.js

insights.js

884 ms

1437840675-20803100.jpg

1437840675-20803100.jpg

780 ms

1428223402-51974800.jpg

1428223402-51974800.jpg

768 ms

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795 ms

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745 ms

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1434348587-71997300.jpg

700 ms

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1456073508-94825400.png

700 ms

100_secure.gif

100_secure.gif

683 ms

13581687341256665851returns_7e8bfba708b01078a7f04a8025c2c21c.png

13581687341256665851returns_7e8bfba708b01078a7f04a8025c2c21c.png

688 ms

13581687211256665868recommend_747a62dbcb02074a728b155463a478.png

13581687211256665868recommend_747a62dbcb02074a728b155463a478.png

669 ms

13581687441256665882postage_71abe9437792bbc3ebbe34dd8500d6be.png

13581687441256665882postage_71abe9437792bbc3ebbe34dd8500d6be.png

665 ms

button_join.gif

button_join.gif

625 ms

visualsoft.gif

visualsoft.gif

658 ms

header_container_bg.png

header_container_bg.png

677 ms

telephone_number.jpg

telephone_number.jpg

657 ms

header_basket_bg.png

header_basket_bg.png

649 ms

menu_bg_repeat.png

menu_bg_repeat.png

614 ms

header_menu_bg_old.png

header_menu_bg_old.png

609 ms

header_search_bg.jpg

header_search_bg.jpg

646 ms

catnavtop.png

catnavtop.png

652 ms

catalog_bg.png

catalog_bg.png

904 ms

cat_bg.png

cat_bg.png

616 ms

catalog_navigation_bullet.gif

catalog_navigation_bullet.gif

594 ms

frame_shape_bg.gif

frame_shape_bg.gif

584 ms

colour_bg.jpg

colour_bg.jpg

625 ms

colour_swatches.png

colour_swatches.png

624 ms

brand_title_bg.jpg

brand_title_bg.jpg

611 ms

left_arrow_promo.png

left_arrow_promo.png

604 ms

right_arrow_promo.png

right_arrow_promo.png

587 ms

mensimg_on.gif

mensimg_on.gif

608 ms

womensimg_off.gif

womensimg_off.gif

597 ms

top10img.gif

top10img.gif

592 ms

home_left.png

home_left.png

588 ms

home_right.png

home_right.png

570 ms

card_logo_sprite.png

card_logo_sprite.png

601 ms

footer_links_bg.gif

footer_links_bg.gif

561 ms

quick_bullet.gif

quick_bullet.gif

578 ms

footer_newsletter_container_bg.png

footer_newsletter_container_bg.png

533 ms

footer_newsletter_box.gif

footer_newsletter_box.gif

515 ms

4-3317.js

4-3317.js

21 ms

px

px

32 ms

px

px

16 ms

uid

uid

16 ms

pixel

pixel

17 ms

uid

uid

17 ms

uid

uid

23 ms

print.css

print.css

109 ms

Accessibility Review

onlineopticiansuk.com accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

onlineopticiansuk.com best practices score

83

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

SEO Factors

onlineopticiansuk.com SEO score

88

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

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 Onlineopticiansuk.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 Onlineopticiansuk.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

onlineopticiansuk.com

Open Graph description is not detected on the main page of Online Opticians UK. 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: