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tesla.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tesla.com

Electric Cars, Solar & Clean Energy | Tesla

Page Load Speed

1.2 sec in total

First Response

26 ms

Resources Loaded

831 ms

Page Rendered

330 ms

tesla.com screenshot

About Website

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

Tesla is accelerating the world's transition to sustainable energy with electric cars, solar and integrated renewable energy solutions for homes and businesses.

Visit tesla.com

Key Findings

We analyzed Tesla.com page load time and found that the first response time was 26 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

tesla.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value1,730 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

tesla.com

26 ms

www.teslamotors.com

71 ms

fonts.css

215 ms

css

69 ms

css_fc1_PA1yNIIYQh67gaFF2m-A008AtWYGdN5JTQNO71w.css

96 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tesla.com, 72% (53 requests) were made to Teslamotors.com and 11% (8 requests) were made to . The less responsive or slowest element that took the longest time to load (239 ms) relates to the external source Teslamotors.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 760.6 kB (28%)

Content Size

2.7 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tesla.com main page is 2.7 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 46.6 kB

  • Original 57.1 kB
  • After minification 52.4 kB
  • After compression 10.5 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 46.6 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 2.0 kB

  • Original 1.7 MB
  • After minification 1.7 MB

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. Tesla images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 487.2 kB

  • Original 644.3 kB
  • After minification 457.1 kB
  • After compression 157.2 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 487.2 kB or 76% of the original size.

CSS Optimization

-67%

Potential reduce by 224.8 kB

  • Original 333.9 kB
  • After minification 329.9 kB
  • After compression 109.0 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. Tesla.com needs all CSS files to be minified and compressed as it can save up to 224.8 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (85%)

Requests Now

62

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tesla. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tesla.com

tesla.com

26 ms

www.teslamotors.com

www.teslamotors.com

71 ms

fonts.css

fonts.css

215 ms

css

css

69 ms

css_fc1_PA1yNIIYQh67gaFF2m-A008AtWYGdN5JTQNO71w.css

css_fc1_PA1yNIIYQh67gaFF2m-A008AtWYGdN5JTQNO71w.css

96 ms

css_tVEhEOKvjzJLKALS_WjhAV2B0SDMYATtTn25Ia31FrE.css

css_tVEhEOKvjzJLKALS_WjhAV2B0SDMYATtTn25Ia31FrE.css

239 ms

css_HwNDwWX7KWmiINyJ6lF53ufacx-f_ZEbnwJrIYQ3nsE.css

css_HwNDwWX7KWmiINyJ6lF53ufacx-f_ZEbnwJrIYQ3nsE.css

42 ms

css_ZON91AH-v_z_YGHkYZsiSO_d0pCH8jT6nsi7L68_Shc.css

css_ZON91AH-v_z_YGHkYZsiSO_d0pCH8jT6nsi7L68_Shc.css

43 ms

css_ZexPEnAowWZLOP-wQ9y_-yuMn86KLLIWC-9pAbYYqsw.css

css_ZexPEnAowWZLOP-wQ9y_-yuMn86KLLIWC-9pAbYYqsw.css

43 ms

jquery.min.js

jquery.min.js

48 ms

jquery.once.js

jquery.once.js

44 ms

drupal.js

drupal.js

100 ms

modernizr-2.6.2-respond-1.1.0.min.js

modernizr-2.6.2-respond-1.1.0.min.js

51 ms

selectivizr-min.js

selectivizr-min.js

53 ms

underscore-min.js

underscore-min.js

62 ms

jquery.fitvids.js

jquery.fitvids.js

61 ms

common_functions.js

common_functions.js

81 ms

geoip.min.js

geoip.min.js

77 ms

utils.js

utils.js

82 ms

accounting.min.js

accounting.min.js

89 ms

localize.js

localize.js

87 ms

footer.js

footer.js

97 ms

retina_tesla.js

retina_tesla.js

97 ms

ba-debug.min.js

ba-debug.min.js

98 ms

template.js

template.js

98 ms

browser_detect.js

browser_detect.js

99 ms

common.js

common.js

99 ms

scripts-for-header.js

scripts-for-header.js

100 ms

jquery.cookie.js

jquery.cookie.js

97 ms

jquery.form.min.js

jquery.form.min.js

99 ms

ajax.js

ajax.js

99 ms

jquery_update.js

jquery_update.js

98 ms

fitvids.js

fitvids.js

105 ms

bootstrap-modals.js

bootstrap-modals.js

105 ms

cache_buster.js

cache_buster.js

149 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

106 ms

colorbox.js

colorbox.js

109 ms

colorbox_style.js

colorbox_style.js

111 ms

tesla-user-common.js

tesla-user-common.js

169 ms

progress.js

progress.js

78 ms

parsley.min.js

parsley.min.js

82 ms

xdr.js

xdr.js

82 ms

gatekeeper.js

gatekeeper.js

84 ms

tesla_login.js

tesla_login.js

82 ms

parsley.notequalto.js

parsley.notequalto.js

79 ms

test_drive_scripts.js

test_drive_scripts.js

80 ms

request_callback.js

request_callback.js

73 ms

homevideo.js

homevideo.js

76 ms

script.js

script.js

62 ms

picturefill.min.js

picturefill.min.js

58 ms

picture.min.js

picture.min.js

58 ms

8D287257F638FCBDD.css

8D287257F638FCBDD.css

149 ms

homepage_mobile_january2015_fb.jpg

homepage_mobile_january2015_fb.jpg

123 ms

gtm.js

gtm.js

141 ms

logo.svg

logo.svg

97 ms

homepage_mobile_january2015_landscape.jpg

homepage_mobile_january2015_landscape.jpg

116 ms

flag-us.svg

flag-us.svg

95 ms

munchkin.js

munchkin.js

133 ms

elqCfg.min.js

elqCfg.min.js

69 ms

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gBBwAAAoYANgJoAFYChgA2AoYANgKGADYChgA2AoYANgKGACcCTwAiApgAVgJPACIBBwBdAoUANgFDADAEawBEBBkANgKAADUCzAAbArUAQwH0AG4B9ABuAfQAZgH0AMsB9ACNAfQAvgH0AFYB9ABcAhAAQQOCAEEA9QBIAPUAMwD1AC4BvQBIAb0AMwG8AC4B3gBsAtIATAFIADABSAA7AtAAOAKyABoCtgAyAfQAsgBXAI8AaABoAGYAVQBWAG4AygCL

8 ms

ACkQAvAmwASwKRAC8CkQAvApEALwKRAC8CkQAvApEAIAJUABoCnwBLAlQAGgEeAFICiAAtAVoAJQRKADsEEAAvAoAAKwLMABICvgBAAfQATQH0AE0B9ABOAfQAuwH0AIYB9AC2AfQAPQH0AD8CEAA4A4IAOAENAD8BDQAnAQ0AIgH1AD8B9QAnAfUAIgHrAGgDGABEAWIALAFiADQC0AA0ArIAGgK2ADIB9ACdADgAeABIAEgATQA7AEYAVQC6AIM=

ACkQAvAmwASwKRAC8CkQAvApEALwKRAC8CkQAvApEAIAJUABoCnwBLAlQAGgEeAFICiAAtAVoAJQRKADsEEAAvAoAAKwLMABICvgBAAfQATQH0AE0B9ABOAfQAuwH0AIYB9AC2AfQAPQH0AD8CEAA4A4IAOAENAD8BDQAnAQ0AIgH1AD8B9QAnAfUAIgHrAGgDGABEAWIALAFiADQC0AA0ArIAGgK2ADIB9ACdADgAeABIAEgATQA7AEYAVQC6AIM=

8 ms

ADoCZQBdAoAAOgKAADoCgAA6AoAAOgKAADoCgAArAkwAJwKUAF0CTAAnAPkAZAKEADsBNQA2BIAASQQfADoCgAA7AswAIAKwAEQB9ACCAfQAggH0AHUB9ADWAfQAkgH0AMIB9ABmAfQAbgIQAEYDggBGAOYATQDmADoA5gA1AZoATQGaADoBmgA1AdYAbwKoAFIBNwAzATcAPwLQADsCsgAaArYAMgH0AL8AagCdAHwAfAB1AGYAXwB9ANQAkA==

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8 ms

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8 ms

wEjAGoBIwAAASMABwMWAGMCaABOAmgATgJoAE4CaABOAfIAKwIsADgB9ABuAfQAbgK2ADIB9ACyAI8AaABVAG4=

wEjAGoBIwAAASMABwMWAGMCaABOAmgATgJoAE4CaABOAfIAKwIsADgB9ABuAfQAbgK2ADIB9ACyAI8AaABVAG4=

8 ms

+gMWAFoCbABGAmwARgJsAEYCbABGAfUAIQIwADQB9ABNAfQATQK2ADIB9ACdAHgASAA7AFU=

+gMWAFoCbABGAmwARgJsAEYCbABGAfUAIQIwADQB9ABNAfQATQK2ADIB9ACdAHgASAA7AFU=

7 ms

AJ0AfABmAH0=

AJ0AfABmAH0=

7 ms

8gMWAFQCbwBAAm8AQAJvAEACbwBAAfYAGgIzADIB9AA3AfQANwK2ADIB9ACOAGgAMgAoAEQ=

8gMWAFQCbwBAAm8AQAJvAEACbwBAAfYAGgIzADIB9AA3AfQANwK2ADIB9ACOAGgAMgAoAEQ=

9 ms

analytics.js

analytics.js

56 ms

munchkin.js

munchkin.js

17 ms

svrGP

svrGP

141 ms

visitWebPage

visitWebPage

110 ms

linkid.js

linkid.js

11 ms

collect

collect

13 ms

collect

collect

55 ms

Accessibility Review

tesla.com accessibility score

100

Accessibility Issues

Best Practices

tesla.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

High

Page has valid source maps

SEO Factors

tesla.com SEO score

79

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Document doesn't have a valid hreflang

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses 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 Tesla.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 Tesla.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

tesla.com

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