How to Increase SEO Score of Your Website to 100%

If you subscribed for a paid subscription of Serpstat (affiliate link), then congratulations! In my experience, Serpstat is one of the most convenient SEO tools to use that produces results for your websites. This reason is probably why you signed up for it in the first place.

However, subscribing to Serpstat is the easy part. The challenge comes when you start optimizing your site’s performance using the data available in the tool.

One of the features that you will find using the most is the Site Audit. This feature helps you determine the on-page factors that explain why is preventing your site from ranking for your target keywords.

GoSmrk Audit Summary Site Audit

On the Site Audit page, you will see the site’s SDO score, also known as the Site Domain Optimization. It is a parameter that shows how well a site is optimized based on the different on-page SEO factors referred by the tool. The higher the score, the more optimized it is.

Before you even think of coming up with an SEO strategy for your site, make sure to achieve the highest possible SDO score for it. By fixing internal site issues, you can get the most out of your SEO campaign!

In fact, the tips in this post are applicable even to non-Serpstat users. If you want to increase your chances of ranking higher for your target keywords, then you’re definitely in the right place!

Make the following changes on your site as suggested below to boost the SDO score of your site.

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How to Increase SEO Score of Your Website to 100%

All pages should be working

Broken pages or those that return a 30x status code disrupt the user experience. If they click on a link from your site that leads to a broken page, there’s a significant change that they’ll leave your site and never to come back to it again. Also, if the page you’re ranking for your target keyword is broken, then you may lose your spot to a page that works if you don’t fix it fast.

If you can’t recover the broken page for some reason, you can redirect it back to your homepage or a similar page within your site. Better yet, you can recreate an even better version of the broken page to provide greater value to your audience.

All pages must have meta tags

Meta tags may have lost some of its value, but they still help provide information about your content that could lead to clicks and conversion.

In fact, the meta title and description are the first two things that search engines see in your site content. At the same time, you can’t write meta tags just for the sake of having them for each content. If you want to get more people to click on your page from search results, then you need to learn how you craft compelling meta tags.

Pages should have headings and subheadings

Organizing how you present your content to your audience is a crucial factor that you need to consider before you hit the Publish button on each of your posts. Since Google loves to give value to its search users, then you need to do the same for them. Instead of writing a wall of text on each of your posts, you need to break them down by providing a main title and subheadings.

Regarding the former, most CMS platforms automatically wrap the <h1> tag on all your titles. However, you need to break down your posts using <h2> tags for your subheadings and not <strong> tags.

By correctly labeling your headings, you make it easier for search spiders to understand your content and rank your content for your target keyword.

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Decrease size of image files

One of the biggest culprits of poor site performance is speed. Despite how visually stunning your website is, it won’t matter if it takes forever to load.

In reality, you need your site to load on or before four seconds. If not, then you can expect 25% of your visitors to leave.

Optimizing site performance means striking a balance between beauty and function. And arguably the biggest threat to site speed is the file size of your images.


You need to find a way to compress the file size of your images without compromising its quality.

You can do this by manually uploading 20 images maximum at a time using Optimizilla. Ideally, you want to compress the images to 80% to perfectly achieve the smallest file size and maintain the image’s quality.

If you’re using a WordPress site, then you have your work cut out for you. Simply install any of the plugins featured in this post to automatically compress the images after uploading them.

Defer render-blocking resources

The most important portion of your page is above the fold or the portion that is visible to users once the site loads completely. By developing a compelling above the fold, you can encourage visitors to commit to your call to action.

However, they won’t get to decide if your site is slow enough to load even above the fold. Aside from large image file sizes, another reason why a website loads slowly is because of render-blocking code before the <head> tag of your site. Resources such as JavaScript and CSS are mostly at fault in this issue.

google pagespeed insights

Aside from using Serpstat’s Site Audit feature, you can see the issues by running your site on Google PageSpeed Insights. The free tool will detail the different render-blocking resources that are preventing your site from running at optimum speed.

The problem with fixing this issue is that it will require the hands of an experienced developer and programmer. If you don’t know your way around code, you might end up breaking your site trying to solve the problem. However, if you are using WordPress, then you could refer to this guide for help on eliminate render-blocking elements and load your site’s above the fold faster.

Make site load faster

If you think the issues addressed above should ultimately make your site load faster, think again! In fact, we’re barely scratching the surface on how much faster your site can load.

Below are site speed factors that won’t influence your SDO score for the most part. However, when taken collectively, improving on these issues by following the tips below should help raise your site speed to new heights.

Browser caching

When browser caching is activated, the browser of your visitor will download files from the site. Therefore, whenever the user revisits your site, it won’t have to redownload everything from scratch since most of the files are already stored by the browser. WordPress users have it all easy if they can download a browser caching plugin like WP Super Cache or W3 Total Cache on their site to help them with this issue.


The kind of theme or design you use for your site plays a critical role in how fast it loads on everyone’s browser. A feature-rich, resource-intensive theme will take some time to load due to how bulky it is. On the other hand, a lightweight theme optimized for performance should help make your site load faster than ever. The Genesis Framework by StudioPress or Thesis by DIYThemes are known themes optimized to increase loading speed.


Even if you have tweaked your site to observe the best practices of on-page optimization, it won’t matter if you don’t choose the best web host.

Before choosing a hosting platform, you have to determine the kind of site you have at the moment. Not only are there different hosting service providers to select, but also different hosting packages that best suit your site.

To help you decide on which web hosting provider to choose, below is an infographic that includes tips to help you make an informed decision.

How to Decide Which Hosting is the Best for Your WordPress Site

Once you’ve learned how to choose, browse through these web host reviews to help you find the most appropriate one for your site based on your existing site traffic and goals.


To properly leverage Serpstat’s cool features, you need to set your site up to succeed before you launch any digital marketing campaign with the tool. You can develop the best possible strategies using Serpstat, but if your site isn’t on the level of your strategy, then you won’t reach your desired results.

Therefore, raising your SDO score to greater heights is your main priority before anything else. By referring to the tips shared above, you will be able to get your site in tip-top shape, just in time before you reap the benefits of using Serpstat as your SEO and content marketing tool.

About the author

Christopher Jan Benitez

Content marketer during the day. Heavy sleeper at night. Dreams of non-existent brass rings. Writer by trade. Pro wrestling fan by choice (It's still real to me, damnit!). Family man all the time. Hire me to write your content!