Tools & Wizards About Us

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 70

    SEO

    Google-friendlier than
    29% of websites

accuvisionsf.com

Home | Optometrist in San Francisco, CA | AccuVision Optometry AccuVision Optometry - Optometry in San Francisco, CA US

Page Load Speed

2.1 sec in total

First Response

223 ms

Resources Loaded

1.5 sec

Page Rendered

361 ms

About Website

Click here to check amazing Accu Vision Sf content. Otherwise, check out these important facts you probably never knew about accuvisionsf.com

Home in San Francisco, CA. AccuVision Optometry is your local Optometrist in San Francisco serving all of your needs. Call us today at 415-409-0888 for an appointment.

Visit accuvisionsf.com

Key Findings

We analyzed Accuvisionsf.com page load time and found that the first response time was 223 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

accuvisionsf.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

accuvisionsf.com

223 ms

www.accuvisionsf.com

370 ms

f4711eec7b697ebb3a2d609edd110208.opt-min.cr.js

131 ms

725db74359aab6558be695af923ae41c.opt-min.cr.css

197 ms

jquery-1.11.1.min.js

182 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 29% of them (10 requests) were addressed to the original Accuvisionsf.com, 41% (14 requests) were made to Cdcssl.ibsrv.net and 12% (4 requests) were made to Demandforced3.com. The less responsive or slowest element that took the longest time to load (766 ms) relates to the external source Smbleads.ibsmb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.3 kB (6%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Accuvisionsf.com main page is 1.5 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 76.4 kB

  • Original 107.2 kB
  • After minification 106.8 kB
  • After compression 30.7 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 76.4 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 1.5 kB

  • Original 1.1 MB
  • After minification 1.1 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. Accu Vision Sf images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.3 kB

  • Original 220.7 kB
  • After minification 220.7 kB
  • After compression 214.4 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

-0%

Potential reduce by 57 B

  • Original 23.2 kB
  • After minification 23.2 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. Accuvisionsf.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (31%)

Requests Now

29

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Accu Vision Sf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

accuvisionsf.com accessibility score

77

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

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

accuvisionsf.com 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

Missing source maps for large first-party JavaScript

SEO Factors

accuvisionsf.com SEO score

70

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

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 Accuvisionsf.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 Accuvisionsf.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

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