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Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

mcmaster.com

McMaster-Carr

Page Load Speed

33.9 sec in total

First Response

1.1 sec

Resources Loaded

25.2 sec

Page Rendered

7.6 sec

mcmaster.com screenshot

About Website

Welcome to mcmaster.com homepage info - get ready to check Mc Master best content for United States right away, or after learning these important things about mcmaster.com

McMaster-Carr is the complete source for your plant with over 700,000 products. 98% of products ordered ship from stock and deliver same or next day.

Visit mcmaster.com

Key Findings

We analyzed Mcmaster.com page load time and found that the first response time was 1.1 sec and then it took 32.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

mcmaster.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

Network Requests Diagram

www.mcmaster.com

1133 ms

mcm_030550f3a4348d8b6132306950fadd58.css

191 ms

mcm_e9fec6b857b783955bc4766d1c321443.css

864 ms

mcm_cc1a6d0ba6aac5d28229eda90ec69af8.js

2206 ms

mcm_3a69e7f8fb4c03e6124b2234f5d16f49.js

2204 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to Mcmaster.com and no external sources were called. The less responsive or slowest element that took the longest time to load (6.5 sec) belongs to the original domain Mcmaster.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 143.3 kB (31%)

Content Size

460.5 kB

After Optimization

317.2 kB

  • HTML
  • Images

In fact, the total size of Mcmaster.com main page is 460.5 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. 55% of websites need less resources to load. Images take 288.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 143.0 kB

  • Original 172.4 kB
  • After minification 171.0 kB
  • After compression 29.4 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 143.0 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 303 B

  • Original 288.1 kB
  • After minification 287.8 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. Mc Master images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

40

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mc Master. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.mcmaster.com

www.mcmaster.com

1133 ms

mcm_030550f3a4348d8b6132306950fadd58.css

mcm_030550f3a4348d8b6132306950fadd58.css

191 ms

mcm_e9fec6b857b783955bc4766d1c321443.css

mcm_e9fec6b857b783955bc4766d1c321443.css

864 ms

mcm_cc1a6d0ba6aac5d28229eda90ec69af8.js

mcm_cc1a6d0ba6aac5d28229eda90ec69af8.js

2206 ms

mcm_3a69e7f8fb4c03e6124b2234f5d16f49.js

mcm_3a69e7f8fb4c03e6124b2234f5d16f49.js

2204 ms

MastheadLogo.svg

MastheadLogo.svg

429 ms

searchIconLightGray.svg

searchIconLightGray.svg

489 ms

2D027A_3_0.woff

2D027A_3_0.woff

536 ms

guid.aspx

guid.aspx

1237 ms

HomePageNavWebPartHTTPHandler.aspx

HomePageNavWebPartHTTPHandler.aspx

1430 ms

HomePageWebPartHTTPHandler.aspx

HomePageWebPartHTTPHandler.aspx

1665 ms

MastheadLoginWebPart.aspx

MastheadLoginWebPart.aspx

6463 ms

2D027A_0_0.woff

2D027A_0_0.woff

441 ms

RibbonWebPart.aspx

RibbonWebPart.aspx

2312 ms

OrderNotifWebPart.aspx

OrderNotifWebPart.aspx

2008 ms

GuidedNavRtrvr.aspx

GuidedNavRtrvr.aspx

3270 ms

Background.aspx

Background.aspx

1946 ms

CreateSpecCache.aspx

CreateSpecCache.aspx

2108 ms

Fastening-and-Joining-Fasteners-sprite-60.png

Fastening-and-Joining-Fasteners-sprite-60.png

1458 ms

Fastening-and-Joining-Adhesives-and-Tape-sprite-60.png

Fastening-and-Joining-Adhesives-and-Tape-sprite-60.png

1459 ms

Fastening-and-Joining-Welding-Brazing-and-Soldering-sprite-60.png

Fastening-and-Joining-Welding-Brazing-and-Soldering-sprite-60.png

1427 ms

Pipe-Tubing-Hose-and-Fittings-sprite-60.png

Pipe-Tubing-Hose-and-Fittings-sprite-60.png

1428 ms

Power-Transmission-Rotary-Motion-sprite-60.png

Power-Transmission-Rotary-Motion-sprite-60.png

1427 ms

Power-Transmission-Linear-Motion-sprite-60.png

Power-Transmission-Linear-Motion-sprite-60.png

1428 ms

Power-Transmission-Hydraulics-sprite-60.png

Power-Transmission-Hydraulics-sprite-60.png

1505 ms

Power-Transmission-Pneumatics-sprite-60.png

Power-Transmission-Pneumatics-sprite-60.png

1485 ms

Sealing-sprite-60.png

Sealing-sprite-60.png

1485 ms

Flow-and-Level-Control-Flow-sprite-60.png

Flow-and-Level-Control-Flow-sprite-60.png

1486 ms

Flow-and-Level-Control-Liquid-Level-sprite-60.png

Flow-and-Level-Control-Liquid-Level-sprite-60.png

1576 ms

Pressure-and-Temperature-Control-Pressure-sprite-60.png

Pressure-and-Temperature-Control-Pressure-sprite-60.png

1565 ms

Pressure-and-Temperature-Control-Temperature-sprite-60.png

Pressure-and-Temperature-Control-Temperature-sprite-60.png

1564 ms

Filtering-sprite-60.png

Filtering-sprite-60.png

1632 ms

Electrical-and-Lighting-Wiring-and-Connecting-sprite-60.png

Electrical-and-Lighting-Wiring-and-Connecting-sprite-60.png

1563 ms

Electrical-and-Lighting-Switching-and-Controlling-sprite-60.png

Electrical-and-Lighting-Switching-and-Controlling-sprite-60.png

1575 ms

Electrical-and-Lighting-Motor-Maintenance-sprite-60.png

Electrical-and-Lighting-Motor-Maintenance-sprite-60.png

1632 ms

Electrical-and-Lighting-Power-Generating-sprite-60.png

Electrical-and-Lighting-Power-Generating-sprite-60.png

1575 ms

Electrical-and-Lighting-Lighting-sprite-60.png

Electrical-and-Lighting-Lighting-sprite-60.png

1575 ms

CrtePswdWebPartSecr.aspx

CrtePswdWebPartSecr.aspx

1568 ms

LoginWebPartSecr.aspx

LoginWebPartSecr.aspx

1404 ms

mcm_e2505c5dd0a62476ea8ed970e91d5277.css

mcm_e2505c5dd0a62476ea8ed970e91d5277.css

377 ms

RibbonWebPart.aspx

RibbonWebPart.aspx

1070 ms

mcm_634aae6891f71451e23795a6152b992a.css

mcm_634aae6891f71451e23795a6152b992a.css

186 ms

mcm_d0770398e006c044c07b597bd3ef8ec0.js

mcm_d0770398e006c044c07b597bd3ef8ec0.js

566 ms

mcm_6a12328baf7095367ca069fc57156212.js

mcm_6a12328baf7095367ca069fc57156212.js

1292 ms

mcm_55f9d42cf71ee30a9f7d5ee26df94ba1.css

mcm_55f9d42cf71ee30a9f7d5ee26df94ba1.css

651 ms

OrderNotifWebPart.aspx

OrderNotifWebPart.aspx

1286 ms

Measuring-and-Inspect-sprite-60.png

Measuring-and-Inspect-sprite-60.png

1161 ms

GuidedNavRtrvr.aspx

GuidedNavRtrvr.aspx

2200 ms

2D027A_1_0.woff

2D027A_1_0.woff

287 ms

Accessibility Review

mcmaster.com accessibility score

72

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

mcmaster.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

mcmaster.com SEO score

77

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 doesn't use legible font sizes

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 Mcmaster.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 Mcmaster.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

mcmaster.com

Open Graph data is detected on the main page of Mc Master. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: