Tools & Wizards About Us
retinatoday.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

retinatoday.com

Retina Today

Page Load Speed

3.2 sec in total

First Response

39 ms

Resources Loaded

2.7 sec

Page Rendered

442 ms

retinatoday.com screenshot

About Website

Click here to check amazing Retina Today content for Iran. Otherwise, check out these important facts you probably never knew about retinatoday.com

Retina Today is a publication that delivers the latest research and clinical developments from areas such as medical retina, retinal surgery, vitreous, diabetes, retinal imaging, posterior segment onc...

Visit retinatoday.com

Key Findings

We analyzed Retinatoday.com page load time and found that the first response time was 39 ms and then it took 3.1 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

retinatoday.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value3,050 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

retinatoday.com

39 ms

retinatoday.com

255 ms

otSDKStub.js

56 ms

jquery-3.6.0.min.js

69 ms

adframe.js

43 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 26% of them (31 requests) were addressed to the original Retinatoday.com, 11% (13 requests) were made to Core4-cms.imgix.net and 7% (9 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (822 ms) relates to the external source Core4-cms.imgix.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 310.2 kB (18%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Retinatoday.com main page is 1.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 905.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 266.2 kB

  • Original 355.6 kB
  • After minification 338.2 kB
  • After compression 89.4 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 266.2 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 22.1 kB

  • Original 436.6 kB
  • After minification 414.5 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. Retina Today images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 21.0 kB

  • Original 905.5 kB
  • After minification 905.3 kB
  • After compression 884.5 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

-4%

Potential reduce by 915 B

  • Original 24.1 kB
  • After minification 24.1 kB
  • After compression 23.1 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. Retinatoday.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 62 (58%)

Requests Now

106

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Retina Today. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

retinatoday.com

retinatoday.com

39 ms

retinatoday.com

retinatoday.com

255 ms

otSDKStub.js

otSDKStub.js

56 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

69 ms

adframe.js

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43 ms

core4.js

core4.js

85 ms

lazyload.min.js

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99 ms

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101 ms

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53 ms

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60 ms

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97 ms

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112 ms

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175 ms

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178 ms

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177 ms

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cookie.js

183 ms

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200 ms

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199 ms

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176 ms

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51 ms

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75 ms

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24 ms

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38 ms

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26 ms

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55 ms

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42 ms

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25 ms

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21 ms

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92 ms

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119 ms

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118 ms

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569 ms

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555 ms

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187 ms

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307 ms

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567 ms

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564 ms

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320 ms

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250 ms

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251 ms

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505 ms

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368 ms

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467 ms

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203 ms

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446 ms

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700 ms

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694 ms

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683 ms

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340 ms

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289 ms

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540 ms

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539 ms

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541 ms

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722 ms

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723 ms

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724 ms

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617 ms

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263 ms

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196 ms

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418 ms

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776 ms

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299 ms

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213 ms

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534 ms

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485 ms

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614 ms

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621 ms

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470 ms

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295 ms

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387 ms

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462 ms

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264 ms

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146 ms

tagjs

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76 ms

pixel;r=1531512487;rf=0;a=p-Hf1jy5KwnvByP;url=https%3A%2F%2Fretinatoday.com%2F;uh=e51ed67dfb8d91dc24b15e2ace0c3bc33bc53c3e1dfb09200d6c2f8387d67ea6;uht=2;fpan=1;fpa=P0-516940230-1723866387882;pbc=;ns=0;ce=1;qjs=1;qv=15f23c9a-20240703164903;cm=;gdpr=0;ref=;d=retinatoday.com;dst=0;et=1723866388361;tzo=-180;ogl=url.https%3A%2F%2Fretinatoday%252Ecom%2Ctype.website%2Csite_name.Retina%20Today%2Ctitle.Retina%20Today%2Cdescription.Retina%20Today%20is%20a%20publication%20that%20delivers%20the%20latest%20research%20and%20clinical%20dev%2Cimage.https%3A%2F%2Fretinatoday%252Ecom%2Fimages%2Fmeta-imgs%2Fog-img%252Epng%3Fauto%3Dcompress%252Cformat%26;ses=6620f9c3-5441-4848-b5fe-37837920f055;mdl=

pixel;r=1531512487;rf=0;a=p-Hf1jy5KwnvByP;url=https%3A%2F%2Fretinatoday.com%2F;uh=e51ed67dfb8d91dc24b15e2ace0c3bc33bc53c3e1dfb09200d6c2f8387d67ea6;uht=2;fpan=1;fpa=P0-516940230-1723866387882;pbc=;ns=0;ce=1;qjs=1;qv=15f23c9a-20240703164903;cm=;gdpr=0;ref=;d=retinatoday.com;dst=0;et=1723866388361;tzo=-180;ogl=url.https%3A%2F%2Fretinatoday%252Ecom%2Ctype.website%2Csite_name.Retina%20Today%2Ctitle.Retina%20Today%2Cdescription.Retina%20Today%20is%20a%20publication%20that%20delivers%20the%20latest%20research%20and%20clinical%20dev%2Cimage.https%3A%2F%2Fretinatoday%252Ecom%2Fimages%2Fmeta-imgs%2Fog-img%252Epng%3Fauto%3Dcompress%252Cformat%26;ses=6620f9c3-5441-4848-b5fe-37837920f055;mdl=

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139 ms

Accessibility Review

retinatoday.com accessibility score

86

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.

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

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

retinatoday.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

retinatoday.com SEO score

79

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

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Retinatoday.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 Retinatoday.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

retinatoday.com

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