Tools & Wizards About Us
blackdiamondperformance.com screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

blackdiamondperformance.com

Black Diamond Performance Brake Pads, Discs & Clutches

Page Load Speed

1.6 sec in total

First Response

283 ms

Resources Loaded

1.1 sec

Page Rendered

183 ms

blackdiamondperformance.com screenshot

About Website

Click here to check amazing Black Diamond Performance content. Otherwise, check out these important facts you probably never knew about blackdiamondperformance.com

Black Diamond performance products supply performance grooved and cross drilled brake discs and performance pads, alongside high performance power clutchs and stainless steel braided hose kits, all fo...

Visit blackdiamondperformance.com

Key Findings

We analyzed Blackdiamondperformance.com page load time and found that the first response time was 283 ms and then it took 1.3 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

blackdiamondperformance.com performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value600 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

blackdiamondperformance.com

283 ms

SinglePage_var.js

131 ms

menu8_com.js

210 ms

corners_tl.gif

209 ms

corners_tr.gif

215 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Blackdiamondperformance.com and no external sources were called. The less responsive or slowest element that took the longest time to load (673 ms) belongs to the original domain Blackdiamondperformance.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 176.8 kB (33%)

Content Size

541.6 kB

After Optimization

364.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Blackdiamondperformance.com main page is 541.6 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. 15% of websites need less resources to load. Images take 371.2 kB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 145.1 kB

  • Original 154.5 kB
  • After minification 140.5 kB
  • After compression 9.4 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 145.1 kB or 94% of the original size.

Image Optimization

-7%

Potential reduce by 26.1 kB

  • Original 371.2 kB
  • After minification 345.0 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. Black Diamond Performance images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 5.5 kB

  • Original 15.9 kB
  • After minification 15.9 kB
  • After compression 10.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 5.5 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (39%)

Requests Now

18

After Optimization

11

  • Images
  • JavaScript

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Diamond Performance. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

blackdiamondperformance.com

blackdiamondperformance.com

283 ms

SinglePage_var.js

SinglePage_var.js

131 ms

menu8_com.js

menu8_com.js

210 ms

corners_tl.gif

corners_tl.gif

209 ms

corners_tr.gif

corners_tr.gif

215 ms

BDwebheadnew.jpg

BDwebheadnew.jpg

657 ms

transparent.gif

transparent.gif

215 ms

BD_ground.jpg

BD_ground.jpg

427 ms

facebook_lg.gif

facebook_lg.gif

316 ms

disc.jpg

disc.jpg

335 ms

pads1.jpg

pads1.jpg

323 ms

hoses.jpg

hoses.jpg

432 ms

ClutchesBlue1.jpg

ClutchesBlue1.jpg

673 ms

black_diamond_logo2.jpg

black_diamond_logo2.jpg

472 ms

corners_bl.gif

corners_bl.gif

440 ms

corners_br.gif

corners_br.gif

542 ms

tridown.gif

tridown.gif

110 ms

tri.gif

tri.gif

111 ms

BD_menu_bg.jpg

BD_menu_bg.jpg

138 ms

Accessibility Review

blackdiamondperformance.com accessibility score

58

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

blackdiamondperformance.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

blackdiamondperformance.com SEO score

54

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

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackdiamondperformance.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 Blackdiamondperformance.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

blackdiamondperformance.com

Open Graph description is not detected on the main page of Black Diamond Performance. 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: