Tools & Wizards About Us
jeffreyjacobs.com screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

jeffreyjacobs.com

Creator of SnowBuilder Enterprise for Snowflake (patent pending)

Page Load Speed

34.9 sec in total

First Response

17 sec

Resources Loaded

17.6 sec

Page Rendered

284 ms

jeffreyjacobs.com screenshot

About Website

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Key Findings

We analyzed Jeffreyjacobs.com page load time and found that the first response time was 17 sec and then it took 17.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

jeffreyjacobs.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

jeffreyjacobs.com

17041 ms

react.production.min.js

33 ms

react-dom.production.min.js

53 ms

fat_core.EN.js

62 ms

env.js

338 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Jeffreyjacobs.com, 52% (12 requests) were made to Img-fl.nccdn.net and 17% (4 requests) were made to Count.carrierzone.com. The less responsive or slowest element that took the longest time to load (17 sec) belongs to the original domain Jeffreyjacobs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 120.8 kB (30%)

Content Size

401.3 kB

After Optimization

280.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jeffreyjacobs.com main page is 401.3 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. 20% of websites need less resources to load. Images take 174.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 59.4 kB

  • Original 73.7 kB
  • After minification 72.7 kB
  • After compression 14.3 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 59.4 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 174.1 kB
  • After minification 174.1 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. Jeffreyjacobs images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 61.4 kB

  • Original 145.6 kB
  • After minification 121.1 kB
  • After compression 84.2 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 61.4 kB or 42% of the original size.

CSS Optimization

-0%

Potential reduce by 20 B

  • Original 8.0 kB
  • After minification 8.0 kB
  • After compression 7.9 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. Jeffreyjacobs.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (59%)

Requests Now

22

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jeffreyjacobs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jeffreyjacobs.com

jeffreyjacobs.com

17041 ms

react.production.min.js

react.production.min.js

33 ms

react-dom.production.min.js

react-dom.production.min.js

53 ms

fat_core.EN.js

fat_core.EN.js

62 ms

env.js

env.js

338 ms

fat_eua.EN.js

fat_eua.EN.js

102 ms

fat_freemona.css

fat_freemona.css

92 ms

fat_display.js

fat_display.js

93 ms

header.transpiled.js

header.transpiled.js

89 ms

fat_header.js

fat_header.js

100 ms

fat_freemona.js

fat_freemona.js

111 ms

fat_display.EN.js

fat_display.EN.js

114 ms

display.m.EN.js

display.m.EN.js

116 ms

fat_display.js

fat_display.js

129 ms

count.js

count.js

249 ms

blank.gif

blank.gif

41 ms

bg_img_header.png

bg_img_header.png

53 ms

GettyImages-467181243-5125x3417.jpg

GettyImages-467181243-5125x3417.jpg

71 ms

pattern_2.png

pattern_2.png

47 ms

pattern_1.png

pattern_1.png

58 ms

ctin.php

ctin.php

84 ms

ctin.php

ctin.php

79 ms

count.js

count.js

79 ms

Accessibility Review

jeffreyjacobs.com accessibility score

86

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Links do not have a discernible name

Best Practices

jeffreyjacobs.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jeffreyjacobs.com SEO score

85

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

High

robots.txt is not valid

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

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 Jeffreyjacobs.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 Jeffreyjacobs.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

jeffreyjacobs.com

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