Access cdn.ahrefs.com. Ahrefs—Marketing Intelligence Tools Powered by Big Data.

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

cdn.ahrefs.com

74 ms

cdn.ahrefs.com

108 ms

analytics.js

126 ms

logo-LEYVTBZF.svg

67 ms

dropdown-icon-JDSLPKYB.svg

59 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Cdn.ahrefs.com, 93% (85 requests) were made to Static.ahrefs.com and 1% (1 request) were made to Analytics.ahrefs.dev. The less responsive or slowest element that took the longest time to load (791 ms) relates to the external source Static.ahrefs.com.

Content Size

702.4 kB

After Optimization

434.9 kB

In fact, the total size of Cdn.ahrefs.com main page is 702.4 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. 50% of websites need less resources to load. Images take 394.4 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 267.5 kB

Original 306.6 kB
After minification 306.1 kB
After compression 39.0 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 267.5 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 394.4 kB
After minification 394.4 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. Cdn Ahrefs images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 38 B

Original 1.4 kB
After minification 1.4 kB
After compression 1.4 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.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdn Ahrefs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

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 Cdn.ahrefs.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 Cdn.ahrefs.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

cdn.ahrefs.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Ahrefs—Marketing Intelligence Tools Powered by Big Data.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

cdn.ahrefs.com

cdn.ahrefs.com

analytics.js

logo-LEYVTBZF.svg

dropdown-icon-JDSLPKYB.svg

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

cdn.ahrefs.com

cdn.ahrefs.com

analytics.js

logo-LEYVTBZF.svg

dropdown-icon-JDSLPKYB.svg

conference-icon-UWOS37EX.svg

loader-KTFPZVCG.gif

star-icon-CSBFNZ7P.svg

adobe-ZNWXHDEI.svg

ebay-DKUVDV7P.svg

ibm-52TC6OHC.svg

zoom-QEGOOLHU.svg

linkedIn-QDJY5PVE.svg

johnsonJohnson-7XEQSGRM.svg

pinterest-HAAHSOCX.svg

dell-DH2PJKB3.svg

capitalOne-STD3IXZX.svg

accenture-RYBJN7BO.svg

tripAdvisor-6LLGAYKB.svg

hubspot-2Q2BVDDG.svg

westpac-5VGCG5XJ.svg

surveyMonkey-TAA4KEAB.svg

shopify-7VD4FUNB.svg

expedia-JGR4WG73.svg

huffpost-FXMFJZ5W.svg

playStation-V42TPYNE.svg

uber-NZQXIXP6.svg

adidas-3LNBXTK7.svg

alibaba-HU4Y23DD.svg

wt-GPAQAPRS.svg

se-JQCPMUY6.png

sa-IKMQRVER.png

ke-5PD2ITGH.png

ce-WJT4OU7Y.png

ai-KC2T3SRV.png

rt-WWIDCP4H.png

yep-MCXNRR5N.svg

yep-banner-7OQOTZIS.svg

check-mark-5J6PFCVG.svg

email-decode.min.js

vcd15cbe7772f49c399c6a5babf22c1241717689176015

academy-WJT7BVFW.png

sam-N744QCUW.png

how-to-5XHB54OM.png