jpegxl.info

Website review jpegxl.info

JPEG XL: Superior Image Compression

 Generated on March 26 2026 13:14 PM

Old data? UPDATE !

The score is 66/100

SEO Content

Title

JPEG XL: Superior Image Compression

Length : 35

Perfect, your title contains between 10 and 70 characters.

Description

Explore JPEG XL, the next-generation image format delivering superior compression, fast encoding/decoding, and seamless JPEG transcoding. The future of image compression is here.

Length : 178

Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.

Keywords

JPEG XL, Image Compression, Encoding, Decoding, Lossless, Visually Lossless, JPEG Transcoding, Wide Gamut, HDR, Progressive Images

Good, your page contains meta keywords.

Og Meta Properties

Good, your page take advantage of Og Properties.

Property Content
type website
url https://jpegxl.info
title JPEG XL: Superior Image Compression
description Explore JPEG XL, the next-generation image format delivering superior compression, fast encoding/decoding, and seamless JPEG transcoding. The future of image compression is here.
image https://jpegxl.info/images/OG_Image-JPEG_XL-neon-tunnel-glow.webp

Headings

H1 H2 H3 H4 H5 H6
1 17 26 24 16 12
  • [H1] Industry-leading image compression & fidelity
  • [H2] Smaller Files, Higher Quality, Faster Downloads.
  • [H2] JPEG XL is…
  • [H2] Visually Lossless Compression
  • [H2] Lossless Compression
  • [H2] 15%
  • [H2] 46%
  • [H2] 63%
  • [H2] 75%
  • [H2] Lossless JPEG Transcoding
  • [H2] Wide-Gamut & HDR
  • [H2] Progressive Image Delivery
  • [H2] Fast Encoding & Decoding
  • [H2] Capture Through Delivery
  • [H2] Environmental Impact
  • [H2] 4.87
  • [H2] And Much More
  • [H2] Joint Photographic Experts Group (JPEG)
  • [H3] Up to 55% Smaller Than JPEG
  • [H3] JPEG
  • [H3] JPEG XL
  • [H3] Up to 25% Smaller Than AVIF
  • [H3] AVIF
  • [H3] JPEG XL
  • [H3] Faithful High-Fidelity
  • [H3] JPEG
  • [H3] JPEG XL
  • [H3]
  • [H3] Pixel-Perfect Reproduction, Tiny Footprint
  • [H3] WEBP
  • [H3] PNG
  • [H3] AVIF
  • [H3] BMP
  • [H3] Old-School to New-School — and Back
  • [H3] JPEG
  • [H3] JPEG XL
  • [H3]
  • [H3] Stunning Color Accuracy
  • [H3] Responsive By Design
  • [H3] JPEG
  • [H3] JPEG XL
  • [H3] Save and Load Without Waiting
  • [H3] One Format, Endless Possibilities
  • [H3] Building the Future of Image Standards
  • [H4] Image Title
  • [H4] JPEG Info:
  • [H4] JXL Info:
  • [H4] Size:
  • [H4] Size:
  • [H4] SSIMU2 SCORE:
  • [H4] SSIMU2 SCORE:
  • [H4] Image Title
  • [H4] AVIF Info:
  • [H4] JXL Info:
  • [H4] Size:
  • [H4] Size:
  • [H4] SSIMU2 SCORE:
  • [H4] SSIMU2 SCORE:
  • [H4] SIZE:
  • [H4] SIZE:
  • [H4] SIZE:
  • [H4] SIZE:
  • [H4] CMYK & Print Support
  • [H4] High Bit Depth Support
  • [H4] Fully FOSS
  • [H4] Future-Proof
  • [H4] Automatic Visual Fidelity Targeting
  • [H4] Photographic & Non-Photographic Images
  • [H5] 0.0
  • [H5] KB
  • [H5] 0.0
  • [H5] KB
  • [H5] 72.5
  • [H5] 80.0
  • [H5] 0.0
  • [H5] KB
  • [H5] 0.0
  • [H5] KB
  • [H5] 72.5
  • [H5] 80.0
  • [H5]
  • [H5]
  • [H5]
  • [H5]
  • [H6] SSIMU2: 99.9
  • [H6] SSIMU2: 99.9
  • [H6] 300 KB
  • [H6] 290 KB
  • [H6] SSIMU2: 99.9
  • [H6] SSIMU2: 99.9
  • [H6] 300&nbsp KB
  • [H6] 290&nbsp KB
  • [H6]
  • [H6]
  • [H6]
  • [H6]

Images

We found 29 images on this web page.

13 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.

Text/HTML Ratio

Ratio : 24%

Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.

Flash

Terrible, you have Flash content, this mean that for search engines hard to understand your content.

Iframe

Great, there are no Iframes detected on this page.

URL Rewrite

Good. Your links looks friendly!

Underscores in the URLs

Perfect! No underscores detected in your URLs.

In-page links

We found a total of 21 links including 1 link(s) to files

Anchor Type Juice
Skip to main content Internal Passing Juice
Articles Internal Passing Juice
Software Internal Passing Juice
Test page Internal Passing Juice
JXL Art Internal Passing Juice
Battle of the Codecs Internal Passing Juice
FAQs Internal Passing Juice
Glossary Internal Passing Juice
Distance vs. Effort Visualizer Internal Passing Juice
HDR Test Page Internal Passing Juice
History Internal Passing Juice
Contributors Internal Passing Juice
Photo Credits Internal Passing Juice
ISO/IEC 18181 External Passing Juice
JPEG committee External Passing Juice
the official JPEG XL page External Passing Juice
JPEG XL and the Pareto Front External Passing Juice
JPEG committee External Passing Juice
Make a pull request! External Passing Juice
Community JPEG XL Site designed by Fractional Xperience External Passing Juice
Access to the archived version of this site. Internal Passing Juice

SEO Keywords

Keywords Cloud

ssimu2 size image quality test jpeg score jpeg xl jxl page

Keywords Consistency

Keyword Content Title Keywords Description Headings
jpeg xl 20
jpeg 19
score 16
size 15
image 14

Usability

Url

Domain : jpegxl.info

Length : 11

Favicon

Great, your website has a favicon.

Printability

We could not find a Print-Friendly CSS.

Language

Good. Your declared language is en.

Dublin Core

This page does not take advantage of Dublin Core.

Document

Doctype

HTML 5

Encoding

Perfect. Your declared charset is UTF-8.

W3C Validity

Errors : 0

Warnings : 0

Email Privacy

Great no email address has been found in plain text!

Deprecated HTML

Great! We haven't found deprecated HTML tags in your HTML.

Speed Tips

Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Too bad, your website has too many CSS files (more than 4).
Perfect, your website has few JavaScript files.
Perfect, your website takes advantage of gzip.

Mobile

Mobile Optimization

Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap

Great, your website has an XML sitemap.

https://jpegxl.info/sitemap.xml

Robots.txt

https://jpegxl.info/robots.txt

Great, your website has a robots.txt file.

Analytics

Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.

PageSpeed Insights

Device
Categories

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