Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

allaboutvision.com

All About Vision - Complete Guide To Vision and Eye Care

Page Load Speed

1.1 sec in total

First Response

52 ms

Resources Loaded

822 ms

Page Rendered

190 ms

allaboutvision.com screenshot

About Website

Click here to check amazing All About Vision content for United States. Otherwise, check out these important facts you probably never knew about allaboutvision.com

A complete consumer guide to vision and eye care. Learn about eye safety, eye nutrition, LASIK, contact lenses, eye problems and treatments, and much more.

Visit allaboutvision.com

Key Findings

We analyzed Allaboutvision.com page load time and found that the first response time was 52 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

allaboutvision.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value6,520 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

allaboutvision.com

52 ms

www.allaboutvision.com

124 ms

font-awesome.min.css

87 ms

common.css

120 ms

home.css

142 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 20% of them (9 requests) were addressed to the original Allaboutvision.com, 30% (14 requests) were made to Cdna.allaboutvision.com and 22% (10 requests) were made to Cdnb.allaboutvision.com. The less responsive or slowest element that took the longest time to load (284 ms) relates to the external source Staticxx.facebook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 796.4 kB (26%)

Content Size

3.0 MB

After Optimization

2.2 MB

In fact, the total size of Allaboutvision.com main page is 3.0 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. 45% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 44.5 kB

  • Original 55.1 kB
  • After minification 54.1 kB
  • After compression 10.6 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 44.5 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 82.0 kB

  • Original 2.2 MB
  • After minification 2.1 MB

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. All About Vision images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 124.0 kB

  • Original 172.2 kB
  • After minification 107.2 kB
  • After compression 48.2 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 124.0 kB or 72% of the original size.

CSS Optimization

-88%

Potential reduce by 545.9 kB

  • Original 617.7 kB
  • After minification 571.4 kB
  • After compression 71.9 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. Allaboutvision.com needs all CSS files to be minified and compressed as it can save up to 545.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (45%)

Requests Now

44

After Optimization

24

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of All About Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

allaboutvision.com accessibility score

89

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

allaboutvision.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

allaboutvision.com SEO score

79

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Allaboutvision.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Allaboutvision.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

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