Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

just911cars.com

Just 911 Cars -

Page Load Speed

2 sec in total

First Response

331 ms

Resources Loaded

1.4 sec

Page Rendered

184 ms

just911cars.com screenshot

About Website

Welcome to just911cars.com homepage info - get ready to check Just 911 Cars best content right away, or after learning these important things about just911cars.com

Find a Used Porsche 911 for sale on JustGoodCars.com. We have millions of second hand cars for sale and free Porsche 911 car advertising worldwide! Look no further for your next used Porsche 911

Visit just911cars.com

Key Findings

We analyzed Just911cars.com page load time and found that the first response time was 331 ms and then it took 1.6 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

just911cars.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value21.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,040 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value1.205

1/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

just911cars.com

331 ms

new-used-porsche-911.html

628 ms

style2.css

251 ms

jquery.min.js

62 ms

jsload.php

178 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Just911cars.com, 79% (22 requests) were made to Justgoodcars.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (628 ms) relates to the external source Justgoodcars.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.7 kB (43%)

Content Size

236.4 kB

After Optimization

135.7 kB

In fact, the total size of Just911cars.com main page is 236.4 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 98.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 31.7 kB

  • Original 38.6 kB
  • After minification 36.5 kB
  • After compression 6.9 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 31.7 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 3.9 kB

  • Original 98.4 kB
  • After minification 94.5 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. Just 911 Cars images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 59.9 kB

  • Original 93.0 kB
  • After minification 90.2 kB
  • After compression 33.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 59.9 kB or 64% of the original size.

CSS Optimization

-81%

Potential reduce by 5.2 kB

  • Original 6.4 kB
  • After minification 5.2 kB
  • After compression 1.2 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. Just911cars.com needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (38%)

Requests Now

26

After Optimization

16

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Just 911 Cars. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

just911cars.com accessibility score

71

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

just911cars.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

just911cars.com SEO score

84

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Just911cars.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 Just911cars.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

Open Graph description is not detected on the main page of Just 911 Cars. 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: