Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% 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

261 ms

Resources Loaded

3 sec

Page Rendered

554 ms

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 261 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 60% of websites can load faster.

Performance Metrics

college-optometrists.org performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.27

45/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

college-optometrists.org

261 ms

college-optometrists.org

315 ms

www.college-optometrists.org

1051 ms

gtm.js

87 ms

main.css

163 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 61% of them (36 requests) were addressed to the original College-optometrists.org, 19% (11 requests) were made to Use.typekit.net and 5% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain College-optometrists.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.4 kB (27%)

Content Size

602.5 kB

After Optimization

437.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of College-optometrists.org main page is 602.5 kB. 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. Javascripts take 385.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 55.6 kB

  • Original 64.8 kB
  • After minification 51.7 kB
  • After compression 9.3 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 13.2 kB, which is 20% 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 55.6 kB or 86% of the original size.

Image Optimization

-23%

Potential reduce by 19.9 kB

  • Original 88.4 kB
  • After minification 68.5 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, College Optometrists needs image optimization as it can save up to 19.9 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-23%

Potential reduce by 89.6 kB

  • Original 385.2 kB
  • After minification 385.0 kB
  • After compression 295.6 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 89.6 kB or 23% of the original size.

CSS Optimization

-1%

Potential reduce by 400 B

  • Original 64.1 kB
  • After minification 64.1 kB
  • After compression 63.7 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. College-optometrists.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (51%)

Requests Now

35

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

college-optometrists.org accessibility score

88

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.

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

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