Tools & Wizards About Us

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

armstrongoptical.com

Ophthalmic Equipment & Instruments- Optometric Equipment & Supply- Armstrong Optical Services

Page Load Speed

2 sec in total

First Response

585 ms

Resources Loaded

1.3 sec

Page Rendered

114 ms

About Website

Welcome to armstrongoptical.com homepage info - get ready to check Armstrong Optical best content right away, or after learning these important things about armstrongoptical.com

Armstrong Optical Services offers ophthalmic equipment & optical equipment; opthalmic & optical instruments, supply & service. All ophthalmic & optometric products & service guarantees are guaranteed.

Visit armstrongoptical.com

Key Findings

We analyzed Armstrongoptical.com page load time and found that the first response time was 585 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

armstrongoptical.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.943

3/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

585 ms

smoothness.css

53 ms

jquery.smartsuggest.css

63 ms

jquery.treeview.css

65 ms

rater.css

64 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 91% of them (39 requests) were addressed to the original Armstrongoptical.com, 5% (2 requests) were made to Assets.pinterest.com and 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (585 ms) belongs to the original domain Armstrongoptical.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 95.0 kB (16%)

Content Size

608.2 kB

After Optimization

513.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Armstrongoptical.com main page is 608.2 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. 30% of websites need less resources to load. Images take 343.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 81.9 kB

  • Original 100.0 kB
  • After minification 99.9 kB
  • After compression 18.1 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 81.9 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 6.9 kB

  • Original 343.1 kB
  • After minification 336.3 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. Armstrong Optical images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 5.0 kB

  • Original 147.5 kB
  • After minification 147.0 kB
  • After compression 142.5 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

-7%

Potential reduce by 1.2 kB

  • Original 17.5 kB
  • After minification 17.5 kB
  • After compression 16.3 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. Armstrongoptical.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (67%)

Requests Now

42

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Armstrong Optical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

armstrongoptical.com accessibility score

77

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

armstrongoptical.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

armstrongoptical.com SEO score

82

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

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 Armstrongoptical.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 Armstrongoptical.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 description is not detected on the main page of Armstrong Optical. 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: