Tools & Wizards About Us
nightdrivers.diopticssunwear.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

nightdrivers.diopticssunwear.com

Fits Over Sunglasses & ClipOn Sunglasses | Foster Grant

Page Load Speed

12.4 sec in total

First Response

879 ms

Resources Loaded

11.3 sec

Page Rendered

209 ms

nightdrivers.diopticssunwear.com screenshot

About Website

Visit nightdrivers.diopticssunwear.com now to see the best up-to-date Nightdrivers Diopticssunwear content for United States and also check out these interesting facts you probably never knew about nightdrivers.diopticssunwear.com

Attach our fit over & clip-on sunglasses to your existing prescription glasses or reading glasses! Designed to be affordable & work with your existing eyewear.

Visit nightdrivers.diopticssunwear.com

Key Findings

We analyzed Nightdrivers.diopticssunwear.com page load time and found that the first response time was 879 ms and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

nightdrivers.diopticssunwear.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value3,160 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.067

97/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

fits-over-clip-on-sunglasses

879 ms

bootstrap.js

59 ms

otSDKStub.js

48 ms

theme-bundle.head_async.js

46 ms

theme-68d00be0-3c89-013d-5ba2-260b6e338fdd.css

78 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Nightdrivers.diopticssunwear.com, 8% (3 requests) were made to Fostergrant.com and 8% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (8.4 sec) relates to the external source Cdn11.bigcommerce.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 390.3 kB (41%)

Content Size

951.9 kB

After Optimization

561.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nightdrivers.diopticssunwear.com main page is 951.9 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. 60% of websites need less resources to load. HTML takes 444.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 390.0 kB

  • Original 444.7 kB
  • After minification 411.9 kB
  • After compression 54.7 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 390.0 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 388.2 kB
  • After minification 388.2 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. Nightdrivers Diopticssunwear images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 308 B

  • Original 119.0 kB
  • After minification 119.0 kB
  • After compression 118.7 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.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nightdrivers Diopticssunwear. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

fits-over-clip-on-sunglasses

fits-over-clip-on-sunglasses

879 ms

bootstrap.js

bootstrap.js

59 ms

otSDKStub.js

otSDKStub.js

48 ms

theme-bundle.head_async.js

theme-bundle.head_async.js

46 ms

theme-68d00be0-3c89-013d-5ba2-260b6e338fdd.css

theme-68d00be0-3c89-013d-5ba2-260b6e338fdd.css

78 ms

loader.js

loader.js

58 ms

theme-bundle.main.js

theme-bundle.main.js

58 ms

theme-bundle.apps.js

theme-bundle.apps.js

37 ms

csrf-protection-header-5eeddd5de78d98d146ef4fd71b2aedce4161903e.js

csrf-protection-header-5eeddd5de78d98d146ef4fd71b2aedce4161903e.js

35 ms

visitor_stencil.js

visitor_stencil.js

38 ms

page-builder-widget-config-1.0.js

page-builder-widget-config-1.0.js

467 ms

bc5de684-33a6-4d51-863a-6c3a63542b15.json

bc5de684-33a6-4d51-863a-6c3a63542b15.json

257 ms

logo-foster-grant.png

logo-foster-grant.png

231 ms

blank.gif

blank.gif

233 ms

loading.svg

loading.svg

230 ms

location

location

274 ms

Gotham-Book_Web.woff

Gotham-Book_Web.woff

94 ms

Gotham-Medium_Web.woff

Gotham-Medium_Web.woff

8428 ms

Gotham-Light_Web.woff

Gotham-Light_Web.woff

93 ms

Gotham-Bold_Web.woff

Gotham-Bold_Web.woff

8428 ms

foster-grant.ttf

foster-grant.ttf

93 ms

fa-solid-900.woff

fa-solid-900.woff

94 ms

ChronicleDisp-Black_Web.woff

ChronicleDisp-Black_Web.woff

8428 ms

ChronicleDisp-Bold_Web.woff

ChronicleDisp-Bold_Web.woff

8428 ms

ChronicleDisp-Semibold_Web.woff

ChronicleDisp-Semibold_Web.woff

8428 ms

ChronicleDisp-Roman_Web.woff

ChronicleDisp-Roman_Web.woff

8429 ms

ChronicleDisp-Light_Web.woff

ChronicleDisp-Light_Web.woff

8429 ms

ChronicleDisp-XLight_Web.woff

ChronicleDisp-XLight_Web.woff

8429 ms

otBannerSdk.js

otBannerSdk.js

8334 ms

nobot

nobot

173 ms

explore-early-bird-circle.png

explore-early-bird-circle.png

401 ms

fg-plp-explorefoco-ss-23.jpg

fg-plp-explorefoco-ss-23.jpg

23 ms

fg-plp-explorefoco-haven-23.jpg

fg-plp-explorefoco-haven-23.jpg

24 ms

FG_social_media_icons.png

FG_social_media_icons.png

342 ms

27e4bc49-8b80-423b-a9e1-a7e92d104f96.woff

27e4bc49-8b80-423b-a9e1-a7e92d104f96.woff

192 ms

index.php

index.php

103 ms

Accessibility Review

nightdrivers.diopticssunwear.com accessibility score

87

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-hidden="true"] elements contain focusable descendents

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

nightdrivers.diopticssunwear.com best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nightdrivers.diopticssunwear.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 Nightdrivers.diopticssunwear.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 Nightdrivers.diopticssunwear.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

nightdrivers.diopticssunwear.com

Open Graph description is not detected on the main page of Nightdrivers Diopticssunwear. 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: