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holleyhighvoltage.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

holleyhighvoltage.com

Holley High Voltage Experience | Holley High Voltage

Page Load Speed

3.7 sec in total

First Response

455 ms

Resources Loaded

2.7 sec

Page Rendered

580 ms

holleyhighvoltage.com screenshot

About Website

Visit holleyhighvoltage.com now to see the best up-to-date Holley High Voltage content for United States and also check out these interesting facts you probably never knew about holleyhighvoltage.com

0000Days00Hours00Minutes00SecondsClick Here for Tickets! 0000Days00Hours00Minutes00SecondsGet TicketsCelebrating the Community & Performance of Electric Vehicles! Holley High Voltage is all about expe...

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Key Findings

We analyzed Holleyhighvoltage.com page load time and found that the first response time was 455 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

holleyhighvoltage.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value2,270 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

455 ms

gtm.js

52 ms

js

86 ms

js

83 ms

bat.js

79 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Holleyhighvoltage.com, 16% (8 requests) were made to Static.klaviyo.com and 14% (7 requests) were made to Holley.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Images.holley.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 482.3 kB (36%)

Content Size

1.3 MB

After Optimization

857.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Holleyhighvoltage.com main page is 1.3 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. 55% of websites need less resources to load. HTML takes 572.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 474.0 kB

  • Original 572.1 kB
  • After minification 570.8 kB
  • After compression 98.1 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. 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 474.0 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 553.1 kB
  • After minification 553.1 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. Holley High Voltage images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 8.3 kB

  • Original 207.1 kB
  • After minification 207.1 kB
  • After compression 198.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 7.6 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.

Requests Breakdown

Number of requests can be reduced by 26 (57%)

Requests Now

46

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Holley High Voltage. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

455 ms

gtm.js

gtm.js

52 ms

js

js

86 ms

js

js

83 ms

bat.js

bat.js

79 ms

jquery-ui-custom.css

jquery-ui-custom.css

109 ms

jquery.min.js

jquery.min.js

120 ms

477 ms

purify.min.js

purify.min.js

135 ms

assets_holley_logo.png

assets_holley_logo.png

167 ms

motorlife_white.png

motorlife_white.png

154 ms

d4722241cd5f8de7a54c329b93bb5dbeaf8d59db.jpg

d4722241cd5f8de7a54c329b93bb5dbeaf8d59db.jpg

361 ms

randy_pobst_ml-lowres.jpg

randy_pobst_ml-lowres.jpg

311 ms

hve22_thumbnail.jpg

hve22_thumbnail.jpg

597 ms

comuta-car_thumbnail_ml.jpg

comuta-car_thumbnail_ml.jpg

583 ms

hve22_autox_thumbnail.jpg

hve22_autox_thumbnail.jpg

411 ms

ford_eluminator_f100-01.jpg

ford_eluminator_f100-01.jpg

459 ms

hve21_delorean_-03.jpg

hve21_delorean_-03.jpg

588 ms

steve_huff_drag_car_ml.jpg

steve_huff_drag_car_ml.jpg

1581 ms

hve21_ev_bus-05.jpg

hve21_ev_bus-05.jpg

685 ms

yttn_dmc_delorean_ev_no-text.jpg

yttn_dmc_delorean_ev_no-text.jpg

658 ms

yttn__revolt_little_giant_lsc_no-text.jpg

yttn__revolt_little_giant_lsc_no-text.jpg

905 ms

01-steve-huff.jpg

01-steve-huff.jpg

871 ms

holley_hhve_220701_2400x1600.jpg

holley_hhve_220701_2400x1600.jpg

1705 ms

hve22_apache-01.jpg

hve22_apache-01.jpg

1230 ms

aem_e_mustang-39.jpg

aem_e_mustang-39.jpg

947 ms

analytics.js

analytics.js

78 ms

8009596.js

8009596.js

88 ms

klaviyo.js

klaviyo.js

109 ms

events.js

events.js

145 ms

vbpx.js

vbpx.js

85 ms

fa-light-300.woff

fa-light-300.woff

48 ms

fa-regular-400.woff

fa-regular-400.woff

39 ms

fa-solid-900.woff

fa-solid-900.woff

47 ms

fa-brands-400.woff

fa-brands-400.woff

224 ms

s

s

77 ms

8009596.js

8009596.js

68 ms

conversations-embed.js

conversations-embed.js

67 ms

fb.js

fb.js

67 ms

banner.js

banner.js

66 ms

fender_analytics.739eafc699de20b4c3bb.js

fender_analytics.739eafc699de20b4c3bb.js

60 ms

static.047f24ade89e4aff54a9.js

static.047f24ade89e4aff54a9.js

59 ms

runtime.242037525aa1c76dfe9b.js

runtime.242037525aa1c76dfe9b.js

47 ms

sharedUtils.a2ead10f1141521a8e3e.js

sharedUtils.a2ead10f1141521a8e3e.js

47 ms

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.3ee75b12730991c4d04b.js

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.3ee75b12730991c4d04b.js

46 ms

vendors~signup_forms~onsite-triggering.a2030eb5abe19f808c94.js

vendors~signup_forms~onsite-triggering.a2030eb5abe19f808c94.js

44 ms

vendors~signup_forms.e707d6d405eecdf67185.js

vendors~signup_forms.e707d6d405eecdf67185.js

46 ms

default~signup_forms~onsite-triggering.ddf307d73959ae2a00ef.js

default~signup_forms~onsite-triggering.ddf307d73959ae2a00ef.js

46 ms

signup_forms.5828d30d7aa945da8745.js

signup_forms.5828d30d7aa945da8745.js

65 ms

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.3ee75b12730991c4d04b.js

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.3ee75b12730991c4d04b.js

59 ms

post_identification_sync.39cdd7baee564a8037ee.js

post_identification_sync.39cdd7baee564a8037ee.js

58 ms

Accessibility Review

holleyhighvoltage.com accessibility score

86

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

holleyhighvoltage.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

holleyhighvoltage.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

    EN

  • Encoding

    UTF-8

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

holleyhighvoltage.com

Open Graph description is not detected on the main page of Holley High Voltage. 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: