A picture value of one thousand words, so when you involve your website, you need to do your best Maybe the best pictures. The visual effects on your website can have an emotional response among the visitors, quickly convey your information, cross language barriers and increase participation.
The picture helps tell your story, but some websites may pay special attention to photos. In fact, no matter what type of website you own, on average, the picture will account for most of your page weight. This may be a problem for some people, because although their success may depend on high -quality photos, the more pictures on the website, the slower the loading speed.
Large page size is a bad news for page speed -this is an important indicator of search engine optimization (SEO). Finding the way to speed up the time loading time without sacrificing quality or overall effects will help you realize the beauty of both. The image looks great and the loading speed is fast.
What is CDN?
Content delivery network (CDN) is a service that accelerates your website by optimizing the storage method of images and other files and the way of delivery to visitors.
image and other static files were copied to the international server network. These servers can transmit files from the nearest physical location and evaluate the visitors’ hardware and software to ensure that they can receive the best image size and format each time, so as to quickly respond to the visitors.
For example, when looking at the same website, people who use laptops in North Carolina and those who use mobile phones in Alaska will receive different files from different servers. But both will get the fastest and best user experience, because these files will be provided by any server closest to them, and the format and size of the most suitable equipment will be used.
Image CDN function:
Cache image file and quickly provide services from global high -speed special data centers
Provide image files based on the visitors’ platform and device function dynamics dynamics. Format and size
Automatic compression and preservation of various size images in order to quickly deliver
Browser allows visitors to multiple files at the same time
A good one The CDN service will also automatically load the introduction to your site. Delay loading means that the image will not be rendered before the real visible; the content of the top of the screen can be quickly loaded, and moreThe image below will continue to be loaded in the background. The content that can be visible to the visitors as fast as possible means that they are unlikely to surf the frustration.
sounded like magic? A bit like. But this is not a quick solution to solve all image speed problems. Before starting using CDN, you need to do something on the server: test the image loading time, solve the image size and compression problems, and ensure that the most effective file format is used. In any case, CDN will help your website accelerate, but if you first perform these optimizations on your website, it will do better. Test your image loading time
The first thing you should do is to find out the performance of your website in the page speed test, and how the image affects your loading time.
First run your homepage through the site speed testing website. Just enter your URL and wait a moment, the complete report of your website performance will be generated.
Some of our favorite include:
Google PageSpeed \u200b\u200b
. Google’s PageSpeed \u200b\u200bInsights tool can in -depth understanding of all potential speed issues on your website and make suggestions for raising scores. Check the list of reports of projects specially related to images.
gtmetrix . GTMETRIX will provide a overall score for your website, so that you can well understand the speed of the visitors to see the speed of your website. Try the \”
structure
\” tab to find a warning that can be fixed to the image that can be fixed. Pingdi . Pingdom is particularly useful for websites with international audiences because you can set the position of the test server and evaluate the performance from different regions of the world. It also provides a convenient content percentage chart; rolling down to view the percentage of the current page image.
Attack problem
The image problem that affects the loading time is usually attributed to three factors:
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A inefficient file format.
Always save big photos as JPG files, or better is Google’s relatively new webp format to save additional file size. Non -destructive format like PNG is most suitable for clear backThe logo and dedicated graphics of the scene should be used carefully when animation is absolutely needed.
The size is inappropriate.
Even if you display images in a small area on the webpage, the browser must first the complete files first, and then narrow it to adapt to the distribution space. Do not care carefully on your website, and rely on browsers to adjust their size for you. Instead, please adjust their size to match the maximum display size of the page.
Lack of compression.
The image can be compressed before uploading, and the quality loss is small. Unless you are running a photography -based website, it is unlikely to see any differences and save a lot of space.
If you already have a website full of photos and don’t want to change each photo, please don’t worry -plug -in may help. The plug -in can convert your image into a small format such as webp, and even provides them to the visitors without replacement of links in the existing page and posts. The plug -in can also adjust the image in the media library to more effective size and ensure that they are completely compressed.
There are some plugins to try to detect unprecedented images or unused images, and for you Provide deletion of them, but please note that these plugins do not always accurately identify images that have been used and unused. You may accidentally delete image or size changes that are attached to the page or post. Before you adjust the size or delete any content, be sure to backup your WordPress website. Is the picture CDN suitable for your website?
Now that you have made some changes to the image on the server, do you still need to install the image CDN on your website? If your site speed check indicates that the image no longer causes the page loading time, then you may not need CDN. But any website that uses a large number of pictures may be found that only optimizing files on the server are not enough to significantly increase the speed of the page.
What types of websites are CDN?
1. There are many high -quality pictures websites
The format and compression of the damaged file is good for most websites, but when you sell images, you need to keep high high. quality. Websites related to photography or art usually include high -resolution images, so compromise in quality is not a choice.
Other websites may not sell photos, but a large number of pictures may be usedTo enhance the user experience. Pictures can improve your search engine optimization, make your content sharing more friendly on social media, clarify your information, and make your website more interesting and attractive. The benefits of high -quality images are valuable for SaaS, e -commerce, magazines, and many other types of websites. However, many images on the page (even optimized) will be quickly superimposed, push your page size to the problem area 2. Website with photo galleries website based on visual effects sales Photo galleries are usually available on each page. If your website has real estate lists, graphic design combinations, travel packages, interior design transformation or guidance projects, then you may have very heavy pages and blog articles. CDN.
3. Website using the main picture or slider
popular in many different types of websites. The heroic images in the title area are always eye -catching, but it will give the page to the page Add a lot of weight. The slider on the homepage, especially the slider on the top, will have a huge impact on the loading speed of the page, because many large images are also loaded and prevented the presentation of the remaining content. In these two cases, the delay loading provided by the image CDN is necessary.
website Digital storefronts for the international customer base It will provide customers with the best service through the image CDN. The large image of the product is provided by the data centers of the world, providing practical content from the closest physical location of the visitors. This makes your website faster to all shoppers -this is a key factor to reduce the abandonment rate and promote sales. 5. Website that attracts a large number of mobile users
It is estimated that by 2025, at least three -quarters of the world will use the Internet through mobile devices. Are your website ready to provide services to most future audiences? A good image CDN will provide the image size of the screen design of each visitor. Mobile users only small -sized images they need, thereby increasing the speed of the website and saving data costs.
Select the best image CDN for WordPress
If your website runs on WordPress, it is simple to choose the image CDN. The content delivery network of JetPack provides a comprehensive optimization, and at the same time smoothly integrates with WordPress CMS, and minimizes code weights through shared libraries.
Why choose Jetpack CDN? This is simple. Just click a few times to add the plug -in to your website, and because it is built by the team behind WordPress, you can believe it is stable, safe and seamless. After installation, just click to open the image CDN -View \” settings\” → \”Performance\”
tab, and then switch the \”Enable Station Accelerator\” option. After a few minutes of processing, your image CDN will be in a state of activity and is trying to improve your website.
It is very powerful. Automatically contain all the functions required for the acceleration site and deliver the image in an intelligent and optimized manner.
Your image will be stored on the WordPress server in different places, where they can be transmitted quickly from all over the world.
Each image will be provided in the correct format and size of the device and platform suitable for visitors. Including delay loading.
The final result? A faster website, suitable for your users like gloves -this means better SEO, smaller jump rate and better participation.
Free. Literally, free. Provide CDN functions for free; anyone who installs plugins can immediately open the function. To better, because the image is loaded from a different place server, your own website server does not need so much bandwidth every month. According to your hosting setting, you may also see cost savings. Finding the best balance Images are very important for participation, communication and interaction on your website. Don’t let the speed problem forcing you to compromise in design; on the contrary, using Jetpack image CDN features to create a fast and beautiful website.
Common questions in CDN Is there a problem? We have the answer!
Does the picture CDN have a negative impact on the quality of the photo?
From the visual point of view, there is no significant difference between the image provided by the original format and the image provided by the image CDN such as Jetpack. Jetpack uses the webp format as much as possible, which can compress the image without loss of quality. If you are using a modern browser that supports webp, try this side by side to see if youCan find differences!
Does the picture CDN increase my website speed? Absolutely! Although the impact on a large amount of image, gallery or sliders is the most significant, you will see improved improvements in any case. In addition, international visitors, people who use mobile devices, and people visiting peak hours will notice the extra increase of speed. Is CDN helping SEO?
Yes! Although the image is provided from the professional server of Jetpack, the original URL of each image is included in the page. The image can still be indexed by the search engine. In addition, search engines like Google will consider speed, participation and jump rate when determining your SEO ranking. Once the image CDN is added to your website, all these will be improved.
Are there any free WordPress pictures CDN?
You bet. Jetpack’s WordPress CDN. All image CDN functions are part of the free level Jetpack service.
How easy is it to set the image CDN?
The complexity of the installation and configuration image CDN depends on the solution you choose. But the easiest way to install image CDN on your WordPress site is to use Jetpack. Just install free plug -ins, and then set → Performance
Click to open the site accelerator function. It’s so easy!
How to ensure that my WordPress website has the best image size?
Your image CDN will provide files to your audience in a response way in response to your layout and their device functions, so you don’t have to worry about uploading various size images yourself. However, it is best not to upload the original image in a large form. When trying to or process large images, the image CDN may take timeout. Even for heroes or slider images, while maintaining the required quality, try to minimize the size of the upload file. Can I manually compress the image?
You canAs you should.The picture can be manually compressed before uploading, and even supplementary plugins can be used.A good image CDN also compresses your files and converts them into optimized formats, such as webp, and created various sizes suitable for different viewports before delivering them to visitors -all of which are automatically behind the scenes automatic behind the scenesCompleted.
What is non -destructive image compression, how can it help my WordPress website?
Because image files usually occupy most of the page size, it is worth compressing the image as much as possible.Damaged compression is used in JPG and GIF formats, which means that some quality will be lost during the conversion process.No loss of compression means that you will not compromise in quality at all, but you can still get the benefits of smaller image file size.A high -quality image CDN like Jetpack will convert your files into a modern format like WebP -a non -destructive format, excellent compression rate, and has a significant impact on the loading time of your website.
Your image will be stored on the WordPress server in different places, where they can be transmitted quickly from all over the world. 