Tools & Wizards About Us
college-optometrists.org screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    61% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

college-optometrists.org

Home - College of Optometrists

Page Load Speed

3.8 sec in total

First Response

242 ms

Resources Loaded

3.3 sec

Page Rendered

198 ms

college-optometrists.org screenshot

About Website

Visit college-optometrists.org now to see the best up-to-date College Optometrists content for United Kingdom and also check out these interesting facts you probably never knew about college-optometrists.org

As the professional body for optometrists, the College of Optometrists qualify & develop the profession. For additional guidance & training click now. The College of Optometrists is the professional b...

Visit college-optometrists.org

Key Findings

We analyzed College-optometrists.org page load time and found that the first response time was 242 ms and then it took 3.5 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

college-optometrists.org performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.27

45/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

college-optometrists.org

242 ms

www.college-optometrists.org

1543 ms

css_style.css

250 ms

layers.css

406 ms

slideshow.css

167 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 69% of them (56 requests) were addressed to the original College-optometrists.org, 21% (17 requests) were made to Pbs.twimg.com and 5% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain College-optometrists.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 378.6 kB (31%)

Content Size

1.2 MB

After Optimization

838.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of College-optometrists.org 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. 40% of websites need less resources to load. Images take 737.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 35.9 kB

  • Original 44.1 kB
  • After minification 44.1 kB
  • After compression 8.2 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 35.9 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 30.1 kB

  • Original 737.2 kB
  • After minification 707.0 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. College Optometrists images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 272.5 kB

  • Original 386.2 kB
  • After minification 355.2 kB
  • After compression 113.7 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 272.5 kB or 71% of the original size.

CSS Optimization

-81%

Potential reduce by 40.1 kB

  • Original 49.7 kB
  • After minification 38.7 kB
  • After compression 9.6 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. College-optometrists.org needs all CSS files to be minified and compressed as it can save up to 40.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (47%)

Requests Now

79

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of College Optometrists. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

college-optometrists.org

college-optometrists.org

242 ms

www.college-optometrists.org

www.college-optometrists.org

1543 ms

css_style.css

css_style.css

250 ms

layers.css

layers.css

406 ms

slideshow.css

slideshow.css

167 ms

wc-module-keylinks.css

wc-module-keylinks.css

158 ms

lightbox.css

lightbox.css

165 ms

jqModal.css

jqModal.css

260 ms

layers_safari.css

layers_safari.css

263 ms

layers_chrome.css

layers_chrome.css

256 ms

core.js

core.js

479 ms

ui.js

ui.js

813 ms

cookie.js

cookie.js

335 ms

form.js

form.js

507 ms

lightbox.js

lightbox.js

427 ms

jqModal.js

jqModal.js

343 ms

corner.js

corner.js

410 ms

tools.scrollable.js

tools.scrollable.js

426 ms

cycle.all.js

cycle.all.js

516 ms

masonry.js

masonry.js

867 ms

font.js

font.js

497 ms

onload.js

onload.js

508 ms

standard.css

standard.css

187 ms

wc-module-directory.css

wc-module-directory.css

246 ms

wc-module-twitter.css

wc-module-twitter.css

259 ms

bg-header.jpg

bg-header.jpg

260 ms

logo-coo.gif

logo-coo.gif

91 ms

HospitalRefGroup_700x272_190216.jpg

HospitalRefGroup_700x272_190216.jpg

207 ms

Regional-Events-2016.jpg

Regional-Events-2016.jpg

339 ms

GuidanceBanner.jpg

GuidanceBanner.jpg

296 ms

PatientMaterial3_700x272_021115.jpg

PatientMaterial3_700x272_021115.jpg

446 ms

Pre-Reg_JobsBoard_700x272_021115.jpg

Pre-Reg_JobsBoard_700x272_021115.jpg

267 ms

bg-transparent.png

bg-transparent.png

296 ms

btns-campaign.png

btns-campaign.png

352 ms

one-px-purple.gif

one-px-purple.gif

347 ms

bg-column-tabs-right.png

bg-column-tabs-right.png

370 ms

bg-column-tabs.png

bg-column-tabs.png

371 ms

thumb_asset_1A15F4A6-3539-4C4A-AF41896F6C69A044.jpg

thumb_asset_1A15F4A6-3539-4C4A-AF41896F6C69A044.jpg

429 ms

thumb_asset_83982BCE-FEC4-4205-8995D86775527EAC.jpg

thumb_asset_83982BCE-FEC4-4205-8995D86775527EAC.jpg

435 ms

thumb_asset_4744E0C5-90E0-479E-8C5CFE4640B54743.jpg

thumb_asset_4744E0C5-90E0-479E-8C5CFE4640B54743.jpg

433 ms

thumb_asset_89FE6AE5-3460-4160-BABB35D71633449D.jpg

thumb_asset_89FE6AE5-3460-4160-BABB35D71633449D.jpg

455 ms

thumb_asset_41F7F698-84B6-4148-A73B0081CDE816F6.jpg

thumb_asset_41F7F698-84B6-4148-A73B0081CDE816F6.jpg

455 ms

thumb_asset_B1675510-1C16-4D7F-8E66C6D550D6FDB7.jpg

thumb_asset_B1675510-1C16-4D7F-8E66C6D550D6FDB7.jpg

519 ms

thumb_asset_24BC5A7E-D6B4-4F92-BC56DD9F9BA57E6A.jpg

thumb_asset_24BC5A7E-D6B4-4F92-BC56DD9F9BA57E6A.jpg

516 ms

thumb_asset_D7B5C1F3-519F-48B5-9B2246B5DE7D21A2.jpg

thumb_asset_D7B5C1F3-519F-48B5-9B2246B5DE7D21A2.jpg

517 ms

ico_rss.gif

ico_rss.gif

522 ms

ico-blue-bullet.gif

ico-blue-bullet.gif

532 ms

Become-a-member.jpg

Become-a-member.jpg

536 ms

bg-login-panel.png

bg-login-panel.png

592 ms

21534_Buttons-09.png

21534_Buttons-09.png

610 ms

widgets.js

widgets.js

82 ms

bg-menu-tab.png

bg-menu-tab.png

591 ms

ico-our-sites.gif

ico-our-sites.gif

625 ms

search-bg.gif

search-bg.gif

624 ms

bg-search-input-right.jpg

bg-search-input-right.jpg

625 ms

btn-search.png

btn-search.png

657 ms

ga.js

ga.js

33 ms

__utm.gif

__utm.gif

52 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

140 ms

syndication

syndication

99 ms

352082171206447105

352082171206447105

269 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

30 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

85 ms

CO_Logo11_normal.jpg

CO_Logo11_normal.jpg

109 ms

TsiUxMoe_normal.jpg

TsiUxMoe_normal.jpg

56 ms

hzz9GUoi_normal.jpeg

hzz9GUoi_normal.jpeg

56 ms

J2WrEB_x_normal.jpg

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93 ms

RRFI4VLb_normal.jpeg

RRFI4VLb_normal.jpeg

54 ms

cBF65OrV_normal.jpg

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54 ms

0365a903bfd35ea3dfe3a44bc91805f9_normal.jpeg

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58 ms

YiSfVcfz_normal.jpg

YiSfVcfz_normal.jpg

56 ms

YrAnoi79_normal.jpeg

YrAnoi79_normal.jpeg

58 ms

mIUgWhwl_normal.png

mIUgWhwl_normal.png

57 ms

zz3bMoN1_normal.jpeg

zz3bMoN1_normal.jpeg

63 ms

4PgWN0-P_normal.jpeg

4PgWN0-P_normal.jpeg

58 ms

L-2DUwGn_normal.jpg

L-2DUwGn_normal.jpg

62 ms

Cdmd6oIWwAAipFU.jpg:small

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61 ms

Cdmj95dUYAAkISq.jpg:small

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63 ms

Cdk-MU5W8AABtaO.jpg:small

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68 ms

CdjDAopW8AQWU2P.jpg:small

CdjDAopW8AQWU2P.jpg:small

109 ms

print.css

print.css

88 ms

Accessibility Review

college-optometrists.org accessibility score

87

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

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

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

Best Practices

college-optometrists.org 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

High

Page has valid source maps

SEO Factors

college-optometrists.org 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 College-optometrists.org 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 College-optometrists.org 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

college-optometrists.org

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