6.7 sec in total
527 ms
5.8 sec
384 ms
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Visit john-jacobs.comWe analyzed John-jacobs.com page load time and found that the first response time was 527 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
john-jacobs.com performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value16.9 s
0/100
25%
Value33.8 s
0/100
10%
Value32,770 ms
0/100
30%
Value1.035
2/100
15%
Value47.6 s
0/100
10%
527 ms
757 ms
55 ms
46 ms
51 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original John-jacobs.com, 15% (10 requests) were made to Facebook.com and 11% (7 requests) were made to Di5pe4nbyh9wx.cloudfront.net. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Di5pe4nbyh9wx.cloudfront.net.
Page size can be reduced by 951.0 kB (38%)
2.5 MB
1.6 MB
In fact, the total size of John-jacobs.com main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 66.1 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 14.0 kB, which is 17% 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 66.1 kB or 79% of the original size.
Potential reduce by 33.0 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. John Jacobs images are well optimized though.
Potential reduce by 802.6 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 802.6 kB or 71% of the original size.
Potential reduce by 49.2 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. John-jacobs.com needs all CSS files to be minified and compressed as it can save up to 49.2 kB or 76% of the original size.
Number of requests can be reduced by 42 (67%)
63
21
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of John Jacobs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.
john-jacobs.com
527 ms
www.john-jacobs.com
757 ms
top_common_v3.js
55 ms
cf6340e7257ae356fc59fa8d6cfb92be.css
46 ms
7c31c495d0ec8a7e1d98d1ed2d575ed1.js
51 ms
satelliteLib-61802dbec38050258b064a78696e5cee23f59d76.js
27 ms
service-worker.js
928 ms
satellite-55d595e461343900140003a4.js
21 ms
50cbf271805b930d8a71da5cb128ef51.js
31 ms
dc.js
41 ms
fbds.js
21 ms
JJ-Logo.jpg
21 ms
JJ-Logo_mobile.jpg
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jj27.jpg
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whishlist-icon.png
106 ms
beatniks-0207.jpg
125 ms
wood-0707.jpg
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Slim-1305.jpg
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1.jpg
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2.jpg
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3.jpg
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JJ-Logo_tab.jpg
11 ms
SourceSansPro-Regular-webfont.woff
86 ms
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sprite1.png
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__utm.gif
34 ms
__utm.gif
90 ms
footer-bg.gif
72 ms
divider.png
73 ms
s-code-contents-7d14c365e875d5ae4d85bcc5533c407f1ada3613.js
58 ms
lenskart-unbxdAnalytics.js
59 ms
unbxdAnalytics.js
446 ms
1p.jpg
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s58613748690113
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gtm.js
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all.js
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__utm.gif
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xd_arbiter.php
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conversion_async.js
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init.min.js
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viralmint-min.js
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tracker.js
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21 ms
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79 ms
xd_arbiter.php
30 ms
html2canvas.min.js
22 ms
engine.min.css
43 ms
animate.min.css
125 ms
1cfa5cb6-ea3b-4875-a4bc-4fb5e238a567
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56 ms
vtm.gif
266 ms
jsonp
1251 ms
tracker.js
39 ms
pixel
1019 ms
meta-data-tracker.js
6 ms
site
1005 ms
john-jacobs.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
john-jacobs.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
john-jacobs.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise John-jacobs.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 John-jacobs.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.
john-jacobs.com
Open Graph description is not detected on the main page of John Jacobs. 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: