Access ophthalmologyconferences.com. Ophthalmology Conferences

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.737

6/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

ophthalmologyconferences.com

501 ms

ophthalmologyconferences.com

414 ms

www.ophthalmologyconferences.com

860 ms

bootstrap.min.css

34 ms

bootstrap-theme.min.css

45 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Ophthalmologyconferences.com, 38% (25 requests) were made to D2cax41o7ahm5l.cloudfront.net and 30% (20 requests) were made to Img.youtube.com. The less responsive or slowest element that took the longest time to load (929 ms) relates to the external source D2cax41o7ahm5l.cloudfront.net.

Content Size

1.4 MB

After Optimization

443.0 kB

In fact, the total size of Ophthalmologyconferences.com main page is 1.4 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. 50% of websites need less resources to load. Images take 860.5 kB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 404.1 kB

Original 428.4 kB
After minification 225.3 kB
After compression 24.3 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 203.2 kB, which is 47% 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 404.1 kB or 94% of the original size.

Image Optimization

-62%

Potential reduce by 529.7 kB

Original 860.5 kB
After minification 330.8 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, Ophthalmology Conferences needs image optimization as it can save up to 529.7 kB or 62% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 124 B

Original 78.8 kB
After minification 78.7 kB
After compression 78.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-42%

Potential reduce by 6.7 kB

Original 15.9 kB
After minification 9.2 kB
After compression 9.2 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. Ophthalmologyconferences.com needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 42% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ophthalmology Conferences. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not have valid values

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Ophthalmologyconferences.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 Ophthalmologyconferences.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

ophthalmologyconferences.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Ophthalmology Conferences | Optometry Conferences USA

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

ophthalmologyconferences.com

ophthalmologyconferences.com

www.ophthalmologyconferences.com

bootstrap.min.css

bootstrap-theme.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ophthalmologyconferences.com

ophthalmologyconferences.com

www.ophthalmologyconferences.com

bootstrap.min.css

bootstrap-theme.min.css

font-awesome.min.css

ekko-lightbox.min.css

css

css

jquery.mCustomScrollbar.min.css

conference_style_new.css

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conf_custom.css

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