Tools & Wizards About Us
walterslowvision.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

walterslowvision.com

TOP Quality Telescopes & Accessories | Walters Low Vision

Page Load Speed

2.7 sec in total

First Response

153 ms

Resources Loaded

2.2 sec

Page Rendered

334 ms

walterslowvision.com screenshot

About Website

Visit walterslowvision.com now to see the best up-to-date Walters Low Vision content and also check out these interesting facts you probably never knew about walterslowvision.com

Quality Telescopes for Over 60 Years. ❤️ Each Walters telescope has precision optics made with coated optical glass lenses.

Visit walterslowvision.com

Key Findings

We analyzed Walterslowvision.com page load time and found that the first response time was 153 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

walterslowvision.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value1,940 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.194

63/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

walterslowvision.com

153 ms

walterslowvision.com

243 ms

www.walterslowvision.com

447 ms

CookieBar.js

61 ms

e196bd382a3c.css

352 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 93% of them (51 requests) were addressed to the original Walterslowvision.com, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Player.vimeo.com. The less responsive or slowest element that took the longest time to load (706 ms) belongs to the original domain Walterslowvision.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (78%)

Content Size

1.3 MB

After Optimization

287.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Walterslowvision.com main page is 1.3 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. CSS take 747.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.7 kB

  • Original 34.8 kB
  • After minification 28.6 kB
  • After compression 6.1 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. This page needs HTML code to be minified as it can gain 6.3 kB, which is 18% 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 28.7 kB or 82% of the original size.

Image Optimization

-34%

Potential reduce by 25.5 kB

  • Original 75.5 kB
  • After minification 50.0 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, Walters Low Vision needs image optimization as it can save up to 25.5 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 303.1 kB

  • Original 435.9 kB
  • After minification 435.9 kB
  • After compression 132.9 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 303.1 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 649.5 kB

  • Original 747.9 kB
  • After minification 744.6 kB
  • After compression 98.4 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. Walterslowvision.com needs all CSS files to be minified and compressed as it can save up to 649.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (35%)

Requests Now

49

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Walters Low 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 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

walterslowvision.com

walterslowvision.com

153 ms

walterslowvision.com

walterslowvision.com

243 ms

www.walterslowvision.com

www.walterslowvision.com

447 ms

CookieBar.js

CookieBar.js

61 ms

e196bd382a3c.css

e196bd382a3c.css

352 ms

79fa9e4add0a.js

79fa9e4add0a.js

468 ms

0efdf5d8ad79.js

0efdf5d8ad79.js

291 ms

gtm.js

gtm.js

111 ms

emailIco.png

emailIco.png

106 ms

phoneIco.png

phoneIco.png

106 ms

20231119034401110.webp

20231119034401110.webp

107 ms

20231119034420517.webp

20231119034420517.webp

107 ms

20240222062826960.webp

20240222062826960.webp

161 ms

20231119034450736.webp

20231119034450736.webp

162 ms

202311190345112.webp

202311190345112.webp

163 ms

logo.png

logo.png

164 ms

logoSmall.png

logoSmall.png

275 ms

claim.png

claim.png

217 ms

20240409082030204.webp

20240409082030204.webp

221 ms

20240409082758563.webp

20240409082758563.webp

282 ms

20240521071056673.webp

20240521071056673.webp

283 ms

20240521071302238.webp

20240521071302238.webp

395 ms

20231121094217849.webp

20231121094217849.webp

275 ms

loginIcon.png

loginIcon.png

280 ms

profile.svg

profile.svg

332 ms

menuClose.svg

menuClose.svg

334 ms

20231119070627497.webp

20231119070627497.webp

338 ms

20240626113601881.webp

20240626113601881.webp

341 ms

20231119073330676.webp

20231119073330676.webp

342 ms

20240408094844551.webp

20240408094844551.webp

506 ms

20240419070910887.webp

20240419070910887.webp

565 ms

20231205014454703.webp

20231205014454703.webp

396 ms

20240423072540153.webp

20240423072540153.webp

399 ms

Group%204367.png

Group%204367.png

401 ms

20231121100543736.webp

20231121100543736.webp

452 ms

20240419071812229.webp

20240419071812229.webp

456 ms

20231121100900281.webp

20231121100900281.webp

457 ms

20240521070646958.webp

20240521070646958.webp

516 ms

20231121101109752.webp

20231121101109752.webp

509 ms

20231120083549842.png

20231120083549842.png

513 ms

20231120083641518.png

20231120083641518.png

515 ms

20231120083727876.png

20231120083727876.png

563 ms

20231120083804784.png

20231120083804784.png

567 ms

919712149

919712149

317 ms

202403190502081.webp

202403190502081.webp

536 ms

app.js

app.js

79 ms

Satoshi-Bold.woff

Satoshi-Bold.woff

474 ms

materialdesignicons-webfont.woff

materialdesignicons-webfont.woff

706 ms

logoFooter.png

logoFooter.png

519 ms

20240703073154222.png

20240703073154222.png

521 ms

emailIcoWhite.svg

emailIcoWhite.svg

469 ms

phoneIcoWhite.svg

phoneIcoWhite.svg

473 ms

onetweb.png

onetweb.png

473 ms

onet.png

onet.png

521 ms

api.js

api.js

12 ms

Accessibility Review

walterslowvision.com accessibility score

87

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

Best Practices

walterslowvision.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

High

Browser errors were logged to the console

SEO Factors

walterslowvision.com SEO score

77

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 Walterslowvision.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 Walterslowvision.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

walterslowvision.com

Open Graph description is not detected on the main page of Walters Low Vision. 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: