Tools & Wizards About Us
sfd-usa.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sfd-usa.com

DIAMOND USA, INC.-PCD blanks for cutting tools,PCBN blanks for cutting tools,PDC cutters

Page Load Speed

7.2 sec in total

First Response

1.9 sec

Resources Loaded

5 sec

Page Rendered

304 ms

sfd-usa.com screenshot

About Website

Welcome to sfd-usa.com homepage info - get ready to check Sfd USA best content right away, or after learning these important things about sfd-usa.com

SF Diamond (SFD) USA is located at the north of Great Houston area to provide quick support response. SFD-USA also has a warehouse to stock PDC cutters and PCD blanks.

Visit sfd-usa.com

Key Findings

We analyzed Sfd-usa.com page load time and found that the first response time was 1.9 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sfd-usa.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value700 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.228

55/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

www.sfd-usa.com

1901 ms

style.css

144 ms

viewer.min.css

139 ms

jquery.min.js

204 ms

owl.carousel.min.js

148 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that all of those requests were addressed to Sfd-usa.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Sfd-usa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.8 kB (3%)

Content Size

872.9 kB

After Optimization

850.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sfd-usa.com main page is 872.9 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. 40% of websites need less resources to load. Images take 793.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 15.2 kB

  • Original 18.9 kB
  • After minification 15.2 kB
  • After compression 3.7 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. This page needs HTML code to be minified as it can gain 3.7 kB, which is 20% 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 15.2 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 5.9 kB

  • Original 793.0 kB
  • After minification 787.1 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. Sfd USA images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 202 B

  • Original 41.3 kB
  • After minification 41.3 kB
  • After compression 41.1 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 1.4 kB

  • Original 19.7 kB
  • After minification 19.7 kB
  • After compression 18.3 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. Sfd-usa.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

32

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sfd USA. According to our analytics all requests are already optimized.

Network Requests Diagram

www.sfd-usa.com

www.sfd-usa.com

1901 ms

style.css

style.css

144 ms

viewer.min.css

viewer.min.css

139 ms

jquery.min.js

jquery.min.js

204 ms

owl.carousel.min.js

owl.carousel.min.js

148 ms

logo.jpg

logo.jpg

303 ms

1.png

1.png

151 ms

2.png

2.png

146 ms

3.png

3.png

142 ms

4.png

4.png

88 ms

01.jpg

01.jpg

364 ms

1.jpg

1.jpg

357 ms

02.jpg

02.jpg

320 ms

2.jpg

2.jpg

367 ms

04.jpg

04.jpg

386 ms

4.jpg

4.jpg

509 ms

03.jpg

03.jpg

413 ms

3.jpg

3.jpg

439 ms

app_icon.png

app_icon.png

164 ms

app_icon2.png

app_icon2.png

161 ms

SFD-USA-Web_05.png

SFD-USA-Web_05.png

165 ms

SFD-USA-Web_05-1.png

SFD-USA-Web_05-1.png

221 ms

SFD-USA-Web-03.png

SFD-USA-Web-03.png

227 ms

SFD-USA-Web_05-03.png

SFD-USA-Web_05-03.png

227 ms

SFD-USA-Web_09.png

SFD-USA-Web_09.png

242 ms

SFD-USA-Web_09-1.png

SFD-USA-Web_09-1.png

240 ms

SFD-USA-Web_11.png

SFD-USA-Web_11.png

242 ms

SFD-USA-Web_11-1.png

SFD-USA-Web_11-1.png

299 ms

in_abbg.jpg

in_abbg.jpg

558 ms

012.jpg

012.jpg

367 ms

news_pic.jpg

news_pic.jpg

508 ms

new2.jpg

new2.jpg

507 ms

icon_top.png

icon_top.png

316 ms

segoeui_0.woff

segoeui_0.woff

694 ms

Hel77.woff

Hel77.woff

398 ms

Hel67.woff

Hel67.woff

445 ms

iconfont.woff

iconfont.woff

476 ms

Hel57.woff

Hel57.woff

530 ms

Accessibility Review

sfd-usa.com accessibility score

86

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

sfd-usa.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

sfd-usa.com SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sfd-usa.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sfd-usa.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

sfd-usa.com

Open Graph description is not detected on the main page of Sfd USA. 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: